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Markman M, Saruco E, Al-Bas S, Wang BA, Rose J, Ohla K, Xue Li Lim S, Schicker D, Freiherr J, Weygandt M, Rramani Q, Weber B, Schultz J, Pleger B. Differences in Discounting Behavior and Brain Responses for Food and Money Reward. eNeuro 2024; 11:ENEURO.0153-23.2024. [PMID: 38569920 PMCID: PMC10993202 DOI: 10.1523/eneuro.0153-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 02/15/2024] [Accepted: 02/25/2024] [Indexed: 04/05/2024] Open
Abstract
Most neuroeconomic research seeks to understand how value influences decision-making. The influence of reward type is less well understood. We used functional magnetic resonance imaging (fMRI) to investigate delay discounting of primary (i.e., food) and secondary rewards (i.e., money) in 28 healthy, normal-weighted participants (mean age = 26.77; 18 females). To decipher differences in discounting behavior between reward types, we compared how well-different option-based statistical models (exponential, hyperbolic discounting) and attribute-wise heuristic choice models (intertemporal choice heuristic, dual reasoning and implicit framework theory, trade-off model) captured the reward-specific discounting behavior. Contrary to our hypothesis of different strategies for different rewards, we observed comparable discounting behavior for money and food (i.e., exponential discounting). Higher k values for food discounting suggest that individuals decide more impulsive if confronted with food. The fMRI revealed that money discounting was associated with enhanced activity in the right dorsolateral prefrontal cortex, involved in executive control; the right dorsal striatum, associated with reward processing; and the left hippocampus, involved in memory encoding/retrieval. Food discounting, instead, was associated with higher activity in the left temporoparietal junction suggesting social reinforcement of food decisions. Although our findings do not confirm our hypothesis of different discounting strategies for different reward types, they are in line with the notion that reward types have a significant influence on impulsivity with primary rewards leading to more impulsive choices.
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Affiliation(s)
- M Markman
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum 44869, Germany
| | - E Saruco
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum 44869, Germany
| | - S Al-Bas
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum 44869, Germany
| | - B A Wang
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum 44869, Germany
| | - J Rose
- Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr-University Bochum, Bochum 44801, Germany
| | - K Ohla
- Firmenich SA, Satigny 1242, Switzerland
- NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, Nuthetal 14558, Germany
| | - S Xue Li Lim
- NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, Nuthetal 14558, Germany
- Cognitive Neuroscience (INM-3), Institute of Neuroscience and Medicine, Research Center Jülich, Jülich 52428, Germany
| | - D Schicker
- Sensory Analytics & Technologies, Fraunhofer Institute for Process Engineering and Packaging IVV, Freising 85354, Germany
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen 91054, Germany
| | - J Freiherr
- Sensory Analytics & Technologies, Fraunhofer Institute for Process Engineering and Packaging IVV, Freising 85354, Germany
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen 91054, Germany
| | - M Weygandt
- Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Berlin 10115, Germany
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Berlin 13125, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin 13125, Germany
| | - Q Rramani
- Center for Economics and Neuroscience (CENs), University of Bonn, Bonn 53113, Germany
- Institute of Experimental Epileptology and Cognition Research (IEECR), University of Bonn, Bonn 53127, Germany
| | - B Weber
- Center for Economics and Neuroscience (CENs), University of Bonn, Bonn 53113, Germany
- Institute of Experimental Epileptology and Cognition Research (IEECR), University of Bonn, Bonn 53127, Germany
| | - J Schultz
- Center for Economics and Neuroscience (CENs), University of Bonn, Bonn 53113, Germany
- Institute of Experimental Epileptology and Cognition Research (IEECR), University of Bonn, Bonn 53127, Germany
| | - B Pleger
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum 44869, Germany
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Wechsler K, Griemsmann S, Weber B, Ellegast R. The impact of remote work using mobile information and communication technologies on physical health: a systematic review. Ergonomics 2024:1-18. [PMID: 38357908 DOI: 10.1080/00140139.2024.2304582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 01/08/2024] [Indexed: 02/16/2024]
Abstract
Remote e-working with information and communication technology (ICT) has long been on the rise, with its implementation accelerated by mandatory working from home regulations during the COVID-19 pandemic. This systematic literature review summarises the influencing factors of ICT-based remote e-working (device types, duration of use, user interfaces, etc.) on the physical health (musculoskeletal system and eyes) of knowledge workers. A search in four electronic databases and a manual search in four German journals resulted in 21 articles being included in this review. A bias analysis was conducted for all articles. Unfavourable postures, inappropriate working devices and certain environmental factors may cause a range of physical complaints, even after comparably short periods of time. Mostly, these complaints are greater compared to those experienced when working on a fully equipped stationary computer. Therefore, remote e-working requires careful planning, awareness, and the willingness to embrace working situations that counteract these problems.
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Affiliation(s)
- Konstantin Wechsler
- Institute for Occupational Safety and Health of the German Social Accident Insurance, Sankt Augustin, Germany
| | - Stephanie Griemsmann
- Institute for Occupational Safety and Health of the German Social Accident Insurance, Sankt Augustin, Germany
| | - Britta Weber
- Institute for Occupational Safety and Health of the German Social Accident Insurance, Sankt Augustin, Germany
| | - Rolf Ellegast
- Institute for Occupational Safety and Health of the German Social Accident Insurance, Sankt Augustin, Germany
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S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, Hernandez G, Hernandez Pena A, Hernandez-Cassis C, Herrington WG, Herzog C, Hewins S, Hewitt D, Hichkad L, Higashi S, Higuchi C, Hill C, Hill L, Hill M, Himeno T, Hing A, Hirakawa Y, Hirata K, Hirota Y, Hisatake T, Hitchcock S, Hodakowski A, Hodge W, Hogan R, Hohenstatt U, Hohenstein B, Hooi L, Hope S, Hopley M, Horikawa S, Hosein D, Hosooka T, Hou L, Hou W, Howie L, Howson A, Hozak M, Htet Z, Hu X, Hu Y, Huang J, Huda N, Hudig L, Hudson A, Hugo C, Hull R, Hume L, Hundei W, Hunt N, Hunter A, Hurley S, Hurst A, Hutchinson C, Hyo T, Ibrahim FH, Ibrahim S, Ihana N, Ikeda T, Imai A, Imamine R, Inamori A, Inazawa H, Ingell J, Inomata K, Inukai Y, Ioka M, Irtiza-Ali A, Isakova T, Isari W, Iselt M, Ishiguro A, Ishihara K, Ishikawa T, Ishimoto T, Ishizuka K, Ismail R, Itano S, Ito H, Ito K, Ito M, Ito Y, Iwagaitsu S, Iwaita Y, Iwakura T, Iwamoto M, Iwasa M, Iwasaki H, Iwasaki S, Izumi K, Izumi K, Izumi T, Jaafar SM, Jackson C, Jackson Y, Jafari G, Jahangiriesmaili M, Jain N, Jansson K, Jasim H, Jeffers L, Jenkins A, Jesky M, Jesus-Silva J, Jeyarajah D, Jiang Y, Jiao X, Jimenez G, Jin B, Jin Q, Jochims J, Johns B, Johnson C, Johnson T, Jolly S, Jones L, Jones L, Jones S, Jones T, Jones V, Joseph M, Joshi S, Judge P, Junejo N, Junus S, Kachele M, Kadowaki T, Kadoya H, Kaga H, Kai H, Kajio H, Kaluza-Schilling W, Kamaruzaman L, Kamarzarian A, Kamimura Y, Kamiya H, Kamundi C, Kan T, Kanaguchi Y, Kanazawa A, Kanda E, Kanegae S, Kaneko K, Kaneko K, Kang HY, Kano T, Karim M, Karounos D, Karsan W, Kasagi R, Kashihara N, Katagiri H, Katanosaka A, Katayama A, Katayama M, Katiman E, Kato K, Kato M, Kato N, Kato S, Kato T, Kato Y, Katsuda Y, Katsuno T, Kaufeld J, Kavak Y, Kawai I, Kawai M, Kawai M, Kawase A, Kawashima S, Kazory A, Kearney J, Keith B, Kellett J, Kelley S, Kershaw M, Ketteler M, Khai Q, Khairullah Q, Khandwala H, Khoo KKL, Khwaja A, Kidokoro K, Kielstein J, Kihara M, Kimber C, Kimura S, Kinashi H, Kingston H, Kinomura M, Kinsella-Perks E, Kitagawa M, Kitajima M, Kitamura S, Kiyosue A, Kiyota M, Klauser F, Klausmann G, Kmietschak W, Knapp K, Knight C, Knoppe A, Knott C, Kobayashi M, Kobayashi R, Kobayashi T, Koch M, Kodama S, Kodani N, Kogure E, Koizumi M, Kojima H, Kojo T, Kolhe N, Komaba H, Komiya T, Komori H, Kon SP, Kondo M, Kondo M, Kong W, Konishi M, Kono K, Koshino M, Kosugi T, Kothapalli B, Kozlowski T, Kraemer B, Kraemer-Guth A, Krappe J, Kraus D, Kriatselis C, Krieger C, Krish P, Kruger B, Ku Md Razi KR, Kuan Y, Kubota S, Kuhn S, Kumar P, Kume S, Kummer I, Kumuji R, Küpper A, Kuramae T, Kurian L, Kuribayashi C, Kurien R, Kuroda E, Kurose T, Kutschat A, Kuwabara N, Kuwata H, La Manna G, Lacey M, Lafferty K, LaFleur P, Lai V, Laity E, Lambert A, Landray MJ, Langlois M, Latif F, Latore E, Laundy E, Laurienti D, Lawson A, Lay M, Leal I, Leal I, Lee AK, Lee J, Lee KQ, Lee R, Lee SA, Lee YY, Lee-Barkey Y, Leonard N, Leoncini G, Leong CM, Lerario S, Leslie A, Levin A, Lewington A, Li J, Li N, Li X, Li Y, Liberti L, Liberti ME, Liew A, Liew YF, Lilavivat U, Lim SK, Lim YS, Limon E, Lin H, Lioudaki E, Liu H, Liu J, Liu L, Liu Q, Liu WJ, Liu X, Liu Z, Loader D, Lochhead H, Loh CL, Lorimer A, Loudermilk L, Loutan J, Low CK, Low CL, Low YM, Lozon Z, Lu Y, Lucci D, Ludwig U, Luker N, Lund D, Lustig R, Lyle S, Macdonald C, MacDougall I, Machicado R, MacLean D, Macleod P, Madera A, Madore F, Maeda K, Maegawa H, Maeno S, Mafham M, Magee J, Maggioni AP, Mah DY, Mahabadi V, Maiguma M, Makita Y, Makos G, Manco L, Mangiacapra R, Manley J, Mann P, Mano S, Marcotte G, Maris J, Mark P, Markau S, Markovic M, Marshall C, Martin M, Martinez C, Martinez S, Martins G, Maruyama K, Maruyama S, Marx K, Maselli A, Masengu A, Maskill A, Masumoto S, Masutani K, Matsumoto M, Matsunaga T, Matsuoka N, Matsushita M, Matthews M, Matthias S, Matvienko E, Maurer M, Maxwell P, Mayne KJ, Mazlan N, Mazlan SA, Mbuyisa A, McCafferty K, McCarroll F, McCarthy T, McClary-Wright C, McCray K, McDermott P, McDonald C, McDougall R, McHaffie E, McIntosh K, McKinley T, 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Holzgreve F, Bredereck B, Heim C, Weber B, Ellegast R, Groneberg DA, Gaum C, Ohlendorf D. Healthy working in inclusive companies - a study protocol of the GAIN project. J Occup Med Toxicol 2023; 18:30. [PMID: 38102673 PMCID: PMC10725018 DOI: 10.1186/s12995-023-00399-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/08/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND The research project GAIN (working healthy in inclusion companies) deals with the topics of health and work in inclusive companies. Due to a great need for research on (occupational) health (e.g. physical and mental health status) and workplace design in companies employing people with disabilities, this project pursues the primary goal of generating information for the development and implementation of health-preserving measures within the framework of occupational health and safety, and risk assessment, for employees with and without impairments in inclusive companies. METHODS Within the framework of the project, the employees of three inclusive companies will be examined with the help of an interdisciplinary and triangulative approach. Using quantitative and qualitative methods, specific physical workloads and hazards will be investigated by means of baseline screening methods and measurement techniques, specifically among employees with physical disabilities and impairments. In the statistical analysis, descriptive methods will be used to record the current state, while inferential statistical methods will be used to evaluate health maintenance measures. Inferential statistics for continuous data with confidence intervals based on the statistical parametric mapping (SPM) method will also be performed. The significance level will be set at 5%. Qualitative methods will be used to analyse structures and working conditions within the companies, with particular attention to the specific construction of the relationship between work, health and disability. CONCLUSIONS The structures in inclusion companies must be specifically designed to support and promote the understanding of work and health in relation to the idea of one's own body, its positioning in space and its performance. These characteristics are to be identified in the course of the project and bundled into best-practice recommendations. Furthermore, it is the aim of the research project to derive recommendations for action at its conclusion and to present further advice for the promotion of health in inclusive companies.
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Affiliation(s)
- Fabian Holzgreve
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe-University Frankfurt, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt am Main, Germany.
| | - Bettina Bredereck
- Department of Psychology and Sports Sciences, Institute of Sport Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Christopher Heim
- Department of Psychology and Sports Sciences, Institute of Sport Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Britta Weber
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Sankt Augustin, Germany
| | - Rolf Ellegast
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Sankt Augustin, Germany
| | - David A Groneberg
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe-University Frankfurt, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt am Main, Germany
| | - Christian Gaum
- Faculty of Sports Sciences, Ruhr-University Bochum, Bochum, Germany
| | - Daniela Ohlendorf
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe-University Frankfurt, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt am Main, Germany
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Ejlsmark MW, Schytte T, Bernchou U, Bahij R, Weber B, Mortensen MB, Pfeiffer P. Radiotherapy for Locally Advanced Pancreatic Adenocarcinoma-A Critical Review of Randomised Trials. Curr Oncol 2023; 30:6820-6837. [PMID: 37504359 PMCID: PMC10378124 DOI: 10.3390/curroncol30070499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/08/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
Pancreatic cancer is rising as one of the leading causes of cancer-related death worldwide. Patients often present with advanced disease, limiting curative treatment options and therefore making management of the disease difficult. Systemic chemotherapy has been an established part of the standard treatment in patients with both locally advanced and metastatic pancreatic cancer. In contrast, the use of radiotherapy has no clear defined role in the treatment of these patients. With the evolving imaging and radiation techniques, radiation could become a plausible intervention. In this review, we give an overview over the available data regarding radiotherapy, chemoradiation, and stereotactic body radiation therapy. We performed a systematic search of Embase and the PubMed database, focusing on studies involving locally advanced pancreatic cancer (or non-resectable pancreatic cancer) and radiotherapy without any limitation for the time of publication. We included randomised controlled trials involving patients with locally advanced pancreatic cancer, including radiotherapy, chemoradiation, or stereotactic body radiation therapy. The included articles represented mainly small patient groups and had a high heterogeneity regarding radiation delivery and modality. This review presents conflicting results concerning the addition of radiation and modality in the treatment regimen. Further research is needed to improve outcomes and define the role of radiation therapy in pancreatic cancer.
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Affiliation(s)
- Mathilde Weisz Ejlsmark
- Department of Oncology, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Tine Schytte
- Department of Oncology, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
| | - Uffe Bernchou
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
- Laboratory of Radiation Physics, Odense University Hospital, 5000 Odense, Denmark
| | - Rana Bahij
- Department of Oncology, Odense University Hospital, 5000 Odense, Denmark
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, 8200 Aarhus, Denmark
- Danish Centre of Particle Therapy, Aarhus University Hospital, 8200 Aarhus, Denmark
| | - Michael Bau Mortensen
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
- Department of Surgery, Odense University Hospital, 5000 Odense, Denmark
| | - Per Pfeiffer
- Department of Oncology, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark
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Rasmussen LS, Winther SB, Chen IM, Weber B, Ventzel L, Liposits G, Johansen JS, Detlefsen S, Egendal I, Shim S, Christensen S, Pfeiffer P, Ladekarl M. A randomized phase II study of full dose gemcitabine versus reduced dose gemcitabine and nab-paclitaxel in vulnerable patients with non-resectable pancreatic cancer (DPCG-01). BMC Cancer 2023; 23:552. [PMID: 37328835 DOI: 10.1186/s12885-023-11035-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 05/31/2023] [Indexed: 06/18/2023] Open
Abstract
BACKGROUND According to current evidence, the best treatment for fit patients with non-resectable pancreatic cancer (PC) is combination chemotherapy, whereas frail patients are recommended gemcitabine (Gem) monotherapy. Randomized controlled trials in colorectal cancer and a post-hoc analysis of gemcitabine and nab-paclitaxel (GemNab) in PC suggest, however, that reduced dose of combination chemotherapy may be feasible and more efficient compared to monotherapy in frail patients. The aim of this study is to investigate whether reduced dose GemNab is superior to full dose Gem in patients with resectable PC, who are not candidates for full dose combination chemotherapy in first line. METHODS The Danish Pancreas Cancer Group (DPCG)-01 trial is a national multicenter prospective randomized phase II trial. A total of 100 patients in ECOG performance status 0-2 with non-resectable PC, not candidate for full dose combination chemotherapy in first line, but eligible for full dose Gem, will be included. Patients are randomized 1:1 to either full dose Gem or GemNab in 80% of recommended dose. The primary endpoint is progression-free survival. Secondary endpoints are overall survival, overall response rate, quality of life, toxicity and rate of hospitalizations during treatment. The correlation between blood inflammatory markers, including YKL-40 and IL-6, circulating tumor DNA, and tissue biomarkers of resistance to chemotherapy and outcome will be explored. Finally, the study will include measures of frailty (G8, modified G8, and chair-stand-test) to assess whether scoring would enable a personalized allocation to different treatments or indicates a possibility for interventions. DISCUSSION Single-drug treatment with Gem has for frail patients with non-resectable PC been the main treatment option for more than thirty years, but the impact on outcome is modest. If improved results and sustained tolerability with reduced dose combination chemotherapy can be shown, this could change the future practice for this increasing group of patients. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT05841420. Secondary Identifying No: N-20210068. EudraCT No: 2021-005067-52. PROTOCOL VERSION 1.5, 16-MAY-2023.
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Affiliation(s)
- Louise Skau Rasmussen
- Department of Oncology and Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Stine B Winther
- Department of Oncology, Odense University Hospital, Odense, Denmark
| | - Inna M Chen
- Department of Oncology, Herlev-Gentofte University Hospital, Copenhagen, Denmark
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Lise Ventzel
- Department of Oncology, University Hospital of Southern Denmark, Vejle, Denmark
| | - Gabor Liposits
- Department of Oncology, Gødstrup Hospital, Herning, Denmark
| | - Julia Sidenius Johansen
- Department of Oncology, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark
| | - Sönke Detlefsen
- Department of Pathology, Odense University Hospital, and Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Ida Egendal
- Center for Clinical Data Science (CLINDA), and Clinical Cancer Research Center, Aalborg University and, Aalborg University Hospital, Aalborg, Denmark
| | - Susy Shim
- Department of Oncology and Clinical Cancer Research Center, Aalborg University Hospital, and Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Signe Christensen
- Department of Oncology and Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Per Pfeiffer
- Department of Oncology, Odense University Hospital, and Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Morten Ladekarl
- Department of Oncology and Clinical Cancer Research Center, Aalborg University Hospital, and Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
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Silva L, Bersch-Ferreira A, Machado R, de Abreu-Silva E, Sady E, Miyada D, Weber B, Marcadenti A. Prevalence Of Adequate Fatty Acids And Dietary Fiber Intake Among Individuals With Previous Myocardial Infarction. Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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de Abreu-Silva E, Bersch-Ferreira A, Machado R, Silva L, Sady E, Miyada D, Weber B, Marcadenti A. Association Between Race, Diet Quality And Therapeutic Goals For Non-Hdl Cholesterol In Individuals With Previous Myocardial Infarction. Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Marie Baunsgaard M, Sophie Lind Helligsoe A, Tram Henriksen L, Stamm Mikkelsen T, Callesen M, Weber B, Hasle H, Birkebæk N. Growth hormone deficiency in adult survivors of childhood brain tumors treated with radiation. Endocr Connect 2023; 12:e220365. [PMID: 36507776 PMCID: PMC9874963 DOI: 10.1530/ec-22-0365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 12/12/2022] [Indexed: 12/14/2022]
Abstract
Objective Growth hormone deficiency (GHD) is the most common endocrine late effect in irradiated survivors of childhood brain tumors. This study aimed to determine the prevalence of GHD in adults treated with proton or photon irradiation for a brain tumor in childhood and to detect undiagnosed GHD. Design This study is a cross-sectional study. Methods We investigated GHD in 5-year survivors from two health regions in Denmark treated for childhood brain tumors with cranial or craniospinal irradiation in the period 1997-2015. Medical charts were reviewed for endocrinological and other health data. Survivors without a growth hormone (GH) test at final height were invited to a GH stimulation test. Results Totally 41 (22 females) survivors with a median age of 21.7 years (range: 15.1-33.8 years) at follow-up and 14.8 years (range: 5.1-23.4 years) since diagnosis were included; 11 were treated with proton and 30 with photon irradiation; 18 of 21 survivors were previously found to have GHD; 16 of 20 survivors with no GH test at final height were tested, 8 (50 %) had GHD. In total, 26 of 41 patients (63%) had GHD. Insulin-like growth factor-1 (IGF-1) is associated poorly with the insulin tolerance test (ITT). Conclusion This study identified a high prevalence of undiagnosed GHD in survivors with no GH test at final height. The results stress the importance of screening for GHD at final height in survivors of childhood brain tumors with prior exposure to cranial irradiation, irrespective of radiation modality and IGF-1. Significance statement This cross-sectional study reports a prevalence of 63% of GHD in irradiated childhood brain tumor survivors. Furthermore, the study identified a considerable number of long-term survivors without a GH test at final height, of whom, 50% subsequently were shown to have undiagnosed GHD. Additionally, this study confirmed that a normal serum IGF-1 measurement cannot exclude the diagnosis of GHD in irradiated survivors. This illustrates the need for improvements in the diagnostic approach to GHD after reaching final height in childhood brain tumor survivors at risk of GHD. In summary, our study stresses the need for GHD testing in all adult survivors treated with cranial irradiation for a brain tumor in childhood irrespective of radiation modality.
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Affiliation(s)
- Mette Marie Baunsgaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Anne Sophie Lind Helligsoe
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Louise Tram Henriksen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Torben Stamm Mikkelsen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Michael Callesen
- Department of Paediatrics, Odense University Hospital, Odense, Funen, Denmark
| | - Britta Weber
- The Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Henrik Hasle
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Niels Birkebæk
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
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11
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Nankali S, Worm ES, Thomsen JB, Stick LB, Bertholet J, Høyer M, Weber B, Mortensen HR, Poulsen PR. Intrafraction tumor motion monitoring and dose reconstruction for liver pencil beam scanning proton therapy. Front Oncol 2023; 13:1112481. [PMID: 36937392 PMCID: PMC10019817 DOI: 10.3389/fonc.2023.1112481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
Abstract
Background Pencil beam scanning (PBS) proton therapy can provide highly conformal target dose distributions and healthy tissue sparing. However, proton therapy of hepatocellular carcinoma (HCC) is prone to dosimetrical uncertainties induced by respiratory motion. This study aims to develop intra-treatment tumor motion monitoring during respiratory gated proton therapy and combine it with motion-including dose reconstruction to estimate the delivered tumor doses for individual HCC treatment fractions. Methods Three HCC-patients were planned to receive 58 GyRBE (n=2) or 67.5 GyRBE (n=1) of exhale respiratory gated PBS proton therapy in 15 fractions. The treatment planning was based on the exhale phase of a 4-dimensional CT scan. Daily setup was based on cone-beam CT (CBCT) imaging of three implanted fiducial markers. An external marker block (RPM) on the patient's abdomen was used for exhale gating in free breathing. This study was based on 5 fractions (patient 1), 1 fraction (patient 2) and 6 fractions (patient 3) where a post-treatment control CBCT was available. After treatment, segmented 2D marker positions in the post-treatment CBCT projections provided the estimated 3D motion trajectory during the CBCT by a probability-based method. An external-internal correlation model (ECM) that estimated the tumor motion from the RPM motion was built from the synchronized RPM signal and marker motion in the CBCT. The ECM was then used to estimate intra-treatment tumor motion. Finally, the motion-including CTV dose was estimated using a dose reconstruction method that emulates tumor motion in beam's eye view as lateral spot shifts and in-depth motion as changes in the proton beam energy. The CTV homogeneity index (HI) The CTV homogeneity index (HI) was calculated as D 2 % - D 98 % D 50 % × 100 % . Results The tumor position during spot delivery had a root-mean-square error of 1.3 mm in left-right, 2.8 mm in cranio-caudal and 1.7 mm in anterior-posterior directions compared to the planned position. On average, the CTV HI was larger than planned by 3.7%-points (range: 1.0-6.6%-points) for individual fractions and by 0.7%-points (range: 0.3-1.1%-points) for the average dose of 5 or 6 fractions. Conclusions A method to estimate internal tumor motion and reconstruct the motion-including fraction dose for PBS proton therapy of HCC was developed and demonstrated successfully clinically.
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Affiliation(s)
- Saber Nankali
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- *Correspondence: Saber Nankali,
| | | | - Jakob Borup Thomsen
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | | | - Jenny Bertholet
- Division of Medical Radiation Physics and Department of Radiation Oncology, Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland
| | - Morten Høyer
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Britta Weber
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | | | - Per Rugaard Poulsen
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
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12
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Weber B, Durán-García MD, Fröhlich C. Thermogravimetric substrate analysis for prediction of biogas and methane yields. Bioresour Technol 2023; 368:128322. [PMID: 36396037 DOI: 10.1016/j.biortech.2022.128322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/31/2022] [Accepted: 11/10/2022] [Indexed: 06/16/2023]
Abstract
Biodegradability of biomass constituents is the reason for the gap between theoretical biogas/methane yield and the maximum yield obtainable in bioconversion. The prediction of biogas/methane yields by applying thermal analysis is a relatively new development in this field. The aim of this study was to develop a bioconversion model based on thermogravimetry. Eleven substrates with a specific biogas yield within the range 104 to 572 mLN per gram of volatile solids were subjected to thermogravimetry and a multi linear regression model was developed to predict biogas and methane yields. The optimum parameters describe biogas and methane yields with a root mean square error of 58.8 and 34.3 mLN per gram of volatile solids respectively. The coefficient of determination for these two datasets was 0.81 and 0.84. A prediction technique based on thermogravimetric analysis appears to be a good alternative to other prediction models.
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Affiliation(s)
- B Weber
- Faculty of Engineering, Autonomous University of the State of Mexico, Cerro de Coatepec s/n Col. San Buenaventura, C.P. 50130 Toluca, State of Mexico, Mexico.
| | - M D Durán-García
- Faculty of Engineering, Autonomous University of the State of Mexico, Cerro de Coatepec s/n Col. San Buenaventura, C.P. 50130 Toluca, State of Mexico, Mexico
| | - C Fröhlich
- Department of Math, Natural Science and Computer Science, University of Applied Sciences THM, Campus Giessen, 35390 Giessen, Germany
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13
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Wallace Z, Weber B, Parks S, Cook C, Huck D, Brown J, Divakaran S, Hainer J, Bibbo C, Taqueti V, Dorbala S, Blankenstein R, Liao K, Aghayev A, Choi H, Di Carli M. AB0624 Patients with vasculitis have a high prevalence of coronary microvascular dysfunction. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.2709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundVasculitides are a heterogenous group of diseases characterized by intense vessel wall inflammation, endothelial injury, and systemic inflammation. Several vasculitides are associated with high risk of cardiovascular (CV) disease, an important source of morbidity and mortality in this population. This excess CV risk is attributed both to a high burden of traditional risk factors and to inflammation, but this remains poorly studied. Indeed, inflammation is a known risk factor for CV disease and implicated in coronary microvascular dysfunction (CMD) which may precede obstructive coronary artery disease (CAD).ObjectivesWe sought to assess whether vasculitis is associated with CMD in the absence of obstructive CAD.MethodsWe retrospectively identified subjects with systemic vasculitis who underwent symptom prompted rest/stress myocardial perfusion PET. Patients with an abnormal myocardial perfusion study (summed stress score ≥3) or LVEF<40% were excluded. Controls were identified from the same population and matched on age, gender and cardiovascular risk factors (CAD, hypertension, dyslipidemia, diabetes mellitus, and obesity). Coronary flow reserve (CFR), was calculated as the ratio of myocardial blood flow (ml/min/g) at peak stress compared to rest. CMD was defined as CFR <2.ResultsWe studied 26 vasculitis cases and 66 matched controls. The most common vasculitides were giant cell arteritis (38%), ANCA-associated vasculitis (31%), and Takayasu’s arteritis (12%). Median (IQR) time between diagnosis and PET was 6.5 (2.9, 14.2) years. Seven (27%) cases had active vascultis at the time of PET. Cases and controls were well-matched on age, sex, and CV risk factors (Table 1). Despite a similar prevalence of CV risk factors, coronary flow reserve (reflected by CMD) was abnormal in 38% of vasculitis cases compared to 15% of controls (p=0.004). The mean [SD] CFR was 19% lower in vasculitis cases vs controls (2.11 [0.5] versus 2.6 [0.7], p=0.003).Table 1.The presence of coronary microvasculature dysfunction in patients with systemic vasculitis without obstructive coronary artery diseaseCohort characteristicsVasculitis (n=26)Control (n=66)P-valueAge at PET, years62 (18)61 (17)0.24Time from Vasculitis Diagnosis to PET, years (median, IQR)6.5 (2.9, 14.2)n/aFemale, n (%)18 (72%)43 (65%)0.99Vasculitis CharacteristicsLarge Vessel (e.g., giant cell arteritis, Takayasu’s), n(%)13 (50%)n/an/aMedium Vessel (e.g., polyarteritis nodosa, Kawasaki’s arteritis), n(%)2 (8%)n/an/aSmall Vessel (e.g., ANCA-associated vasculitis, Henoch-Schonlein Purpura), n(%)11 (42%)n/an/aCardiovascular Risk FactorsAt DiagnosisAt PETAt PETHypertension, n (%)12 (46%)20 (71%)47 (80%)0.47Obesity, n (%)3 (12%)2 (32%)2 (32%)0.84Diabetes, n (%)3 (12%)5 (20%)13 (20%)0.99Dyslipidemia, n (%)4 (15%)15 (58%)40 (61%)0.99Known CAD, n (%)0 (0%)1 (4%)1 (2%)0.48Imaging FindingsRest myocardial blood flow, ml/min/g1.0 (0.3)1.0 (0.3)0.8Stress myocardial blood flow, ml/min/g2.1 (0.6)2.6 (1.0)0.008Coronary Flow Reserve, ml/min/g*2.1 (0.5)2.6 (0.7)0.003Coronary Microvasculature Dysfunction** (CMD), n (%)10 (38%)11 (15%)0.004ConclusionPatients with systemic vasculitis, even in the absence of obstructive CAD, have a high prevalence of CMD compared with non-vasculitis patients. These differences were observed despite matching cases and controls on traditional CV risk factors, highlighting the importance of other factors, such as inflammation and vasculitis treatments on CMD and CV disease in this population. CMD is a known independent risk factor for CV mortality. Future prospective studies are needed to understand the relationship between vasculitis, systemic inflammation, and CMD.Disclosure of InterestsNone declared
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Skinnerup Byskov C, Rønn Hansen C, Hedegaard Dahlrot R, Dysager L, Lignell Guldberg T, Haldbo-Classen L, Hansen S, Aaquist Haslund C, Høyer M, Lukacova S, Muhic A, Witt Nyström P, Ramshad-Lassen Y, Kirsten Trip A, Weber B, Folsted Kallehauge J. PD-0242 Parameters driving oncologists’ selection of glioma grade 2 and 3 patients for proton therapy. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02797-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Ladekarl M, Rasmussen LS, Kirkegård J, Chen I, Pfeiffer P, Weber B, Skuladottir H, Østerlind K, Larsen JS, Mortensen FV, Engberg H, Møller H, Fristrup CW. Disparity in use of modern combination chemotherapy associated with facility type influences survival of 2655 patients with advanced pancreatic cancer. Acta Oncol 2022; 61:277-285. [PMID: 34879787 DOI: 10.1080/0284186x.2021.2012252] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIM Academic and high volume hospitals have better outcome for pancreatic cancer (PC) surgery, but there are no reports on oncological treatment. We aimed to determine the influence of facility types on overall survival (OS) after treatment with chemotherapy for inoperable PC. MATERIAL AND METHODS 2,657 patients were treated in Denmark from 2012 to 2018 and registered in the Danish Pancreatic Cancer Database. Facilities were classified as either secondary oncological units or comprehensive, tertiary referral cancer centers. RESULTS The average yearly number of patients seen at the four tertiary facilities was 71, and 31 at the four secondary facilities. Patients at secondary facilities were older, more frequently had severe comorbidity and lived in non-urban municipalities. As compared to combination chemotherapy, monotherapy with gemcitabine was used more often (59%) in secondary facilities than in tertiary (34%). The unadjusted median OS was 7.7 months at tertiary and 6.1 months at secondary facilities. The adjusted hazard ratio (HR) of 1.16 (confidence interval 1.07-1.27) demonstrated an excess risk of death for patients treated at secondary facilities, which disappeared when taking type of chemotherapy used into account. Hence, more use of combination chemotherapy was associated with the observed improved OS of patients treated at tertiary facilities. Declining HR's per year of first treatment indicated improved outcomes with time, however the difference among facility types remained significant. DISCUSSION Equal access to modern combination chemotherapy at all facilities on a national level is essential to ensure equality in treatment results.
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Affiliation(s)
- Morten Ladekarl
- Department of Oncology, Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Louise Skau Rasmussen
- Department of Oncology, Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
| | - Jakob Kirkegård
- Department of Gastrointestinal Surgery, Aarhus University Hospital, Aarhus, Denmark
| | - Inna Chen
- Department of Oncology, Herlev and Gentofte University Hospital, Copenhagen, Denmark
| | - Per Pfeiffer
- Department of Oncology, Odense University Hospital, Odense, Denmark
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | | | - Kell Østerlind
- Department of Oncology, North Zealand Hospital, Hillerød, Denmark
| | - Jim Stenfatt Larsen
- Department of Oncology, Zealand University Hospital, Naestved and Roskilde, Denmark
| | | | - Henriette Engberg
- The Danish Clinical Quality Program and Clinical Registries (RKKP), Aalborg, Denmark
| | - Henrik Møller
- The Danish Clinical Quality Program and Clinical Registries (RKKP), Aalborg, Denmark
- Danish Center for Clinical Health Services Research, Aalborg University, Aalborg, Denmark
| | - Claus Wilki Fristrup
- Odense Pancreas Center (OPAC), Odense University Hospital, Odense, Denmark
- Danish Pancreatic Cancer Database (DPCD), Denmark
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Thuehøj AU, Andersen NC, Worm ES, Høyer M, Tabaksblat EM, Weber B, Mortensen HR. Clinical outcomes after stereotactic ablative radiotherapy in locally advanced cholangiocarcinoma. Acta Oncol 2022; 61:197-201. [PMID: 34726565 DOI: 10.1080/0284186x.2021.1995893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | | | - Esben Schjødt Worm
- Department of Medical Physics, Aarhus University Hospital, Aarhus, Denmark
| | - Morten Høyer
- Danish Centre of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | | | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
- Danish Centre of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Hanna Rahbek Mortensen
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
- Danish Centre of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
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17
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Byskov CS, Hansen CR, Dahlrot RH, Haldbo-Classen L, Haslund CA, Kjær-Kristoffersen F, Kristensen TO, Lassen-Ramshad Y, Lukacova S, Muhic A, Nyström PW, Weber B, Kallehauge JF. Treatment plan comparison of proton vs photon radiotherapy for lower-grade gliomas. Phys Imaging Radiat Oncol 2021; 20:98-104. [PMID: 34888422 PMCID: PMC8637131 DOI: 10.1016/j.phro.2021.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/04/2022] Open
Abstract
Background and purpose Patients with lower-grade gliomas are long-term survivors after radiotherapy and may benefit from the reduced dose to normal tissue achievable with proton therapy. Here, we aimed to quantify differences in dose to the uninvolved brain and contralateral hippocampus and compare the risk of radiation-induced secondary cancer for photon and proton plans for lower-grade glioma patients. Materials and methods Twenty-three patients were included in this in-silico planning comparative study and had photon and proton plans calculated (50.4 Gy(RBE = 1.1), 28 Fx) applying similar dose constraints to the target and organs at risk. Automatically calculated photon plans were generated with a 3 mm margin from clinical target volume (CTV) to planning target volume. Manual proton plans were generated using robust optimisation on the CTV. Dose metrics of organs at risk were compared using population mean dose-volume histograms and Wilcoxon signed-rank test. Secondary cancer risk per 10,000 persons per year (PPY) was estimated using dose-volume data and a risk model for secondary cancer induction. Results CTV coverage (V95%>98%) was similar for the two treatment modalities. Mean dose (Dmean) to the uninvolved brain was significantly reduced from 21.5 Gy (median, IQR 17.1–24.4 Gy) with photons compared to 10.3 Gy(RBE) (8.1–13.9 Gy(RBE)) with protons. Dmean to the contralateral hippocampus was significantly reduced from 6.5 Gy (5.4–11.7 Gy) with photons to 1.5 Gy(RBE) (0.4–6.8 Gy(RBE)) with protons. The estimated secondary cancer risk was reduced from 6.7 PPY (median, range 3.3–10.4 PPY) with photons to 3.0 PPY (1.3–7.5 PPY) with protons. Conclusion A significant reduction in mean dose to uninvolved brain and contralateral hippocampus was found with proton planning. The estimated secondary cancer risk was reduced with proton therapy.
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Affiliation(s)
- Camilla S Byskov
- Dept of Oncology, Aarhus University Hospital, Aarhus, Denmark.,Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Christian R Hansen
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.,Dept of Oncology, Odense University Hospital, Odense, Denmark.,Laboratory of Radiation Physics, Odense University Hospital, Odense, Denmark
| | - Rikke H Dahlrot
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.,Dept of Oncology, Odense University Hospital, Odense, Denmark.,Inst of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | | | | | | | | | - Slávka Lukacova
- Dept of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Aida Muhic
- Dept of Oncology, Rigshospitalet, Copenhagen, Denmark
| | - Petra W Nyström
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.,Dept of Oncology, Uppsala University Hospital, Uppsala, Sweden
| | - Britta Weber
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Jesper F Kallehauge
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.,Dept of Clinical Medicine, Aarhus University, Aarhus, Denmark
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18
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Machado R, Bersch-Ferreira A, Silva L, Sady E, Miyada D, Mota L, Pagano R, Lara E, Weber B, Silva J, Marcadenti A. Visceral adiposity index and cardiovascular disease in individuals with type-2 diabetes mellitus. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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Lorenzen EL, Kallehauge JF, Byskov CS, Dahlrot RH, Haslund CA, Guldberg TL, Lassen-Ramshad Y, Lukacova S, Muhic A, Witt Nyström P, Haldbo-Classen L, Bahij I, Larsen L, Weber B, Hansen CR. A national study on the inter-observer variability in the delineation of organs at risk in the brain. Acta Oncol 2021; 60:1548-1554. [PMID: 34629014 DOI: 10.1080/0284186x.2021.1975813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND The Danish Neuro Oncology Group (DNOG) has established national consensus guidelines for the delineation of organs at risk (OAR) structures based on published literature. This study was conducted to finalise these guidelines and evaluate the inter-observer variability of the delineated OAR structures by expert observers. MATERIAL AND METHODS The DNOG delineation guidelines were formed by participants from all Danish centres that treat brain tumours with radiotherapy. In a two-day workshop, guidelines were discussed and finalised based on a pilot study. Following this, the ten participants contoured the following OARs on T1-weighted gadolinium enhanced MRI from 13 patients with brain tumours: optic tracts, optic nerves, chiasm, spinal cord, brainstem, pituitary gland and hippocampus. The metrics used for comparison were the Dice similarity coefficient (Dice), mean surface distance (MSD) and others. RESULTS A total of 968 contours were delineated across the 13 patients. On average eight (range six to nine) individual contour sets were made per patient. Good agreement was found across all structures with a median MSD below 1 mm for most structures, with the chiasm performing the best with a median MSD of 0.45 mm. The Dice was as expected highly volume dependent, the brainstem (the largest structure) had the highest Dice value with a median of 0.89 whereas smaller volumes such as the chiasm had a Dice of 0.71. CONCLUSION Except for the caudal definition of the spinal cord, the variances observed in the contours of OARs in the brain were generally low and consistent. Surface mapping revealed sub-regions of higher variance for some organs. The data set is being prepared as a validation data set for auto-segmentation algorithms for use within the Danish Comprehensive Cancer Centre - Radiotherapy and potential collaborators.
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Affiliation(s)
| | - Jesper Folsted Kallehauge
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Camilla Skinnerup Byskov
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Rikke Hedegaard Dahlrot
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Department of Oncology, Odense University Hospital, Odense, Denmark
- Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | | | | | - Slávka Lukacova
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Aida Muhic
- Department of Oncology, Rigshospitalet, Copenhagen, Denmark
| | - Petra Witt Nyström
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | | | - Ihsan Bahij
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Lone Larsen
- Department of Oncology, Aalborg University Hospital, Aalborg, Denmark
| | - Britta Weber
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Christian Rønn Hansen
- Laboratory of Radiation Physics, Odense University Hospital, Odense, Denmark
- Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
- Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
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20
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Worm ES, Hansen R, Høyer M, Weber B, Mortensen H, Poulsen PR. Uniform versus non-uniform dose prescription for proton stereotactic body radiotherapy of liver tumors investigated by extensive motion-including treatment simulations. Phys Med Biol 2021; 66. [PMID: 34544071 DOI: 10.1088/1361-6560/ac2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 09/20/2021] [Indexed: 12/24/2022]
Abstract
Compared to x-ray-based stereotactic body radiotherapy (SBRT) of liver cancer, proton SBRT may reduce the normal liver tissue dose. For an optimal trade-off between target and liver dose, a non-uniform dose prescription is often applied in x-ray SBRT, but lacks investigation for proton SBRT. Also, proton SBRT is prone to breathing-induced motion-uncertainties causing target mishit or dose alterations by interplay with the proton delivery. This study investigated non-uniform and uniform dose prescription in proton-based liver SBRT, including effects of rigid target motion observed during planning-4DCT and treatment. The study was based on 42 x-ray SBRT fractions delivered to 14 patients under electromagnetic motion-monitoring. For each patient, a non-uniform and uniform proton plan were made. The uniform plan was renormalized to be iso-toxic with the non-uniform plan using a NTCP model for radiation-induced liver disease. The motion data were used in treatment simulations to estimate the delivered target dose with rigid motion. Treatment simulations were performed with and without a repainting scheme designed to mitigate interplay effects. Including rigid motion, the achieved CTV mean dose after three fractions delivered without repainting was on average (±SD) 24.8 ± 8.4% higher and the D98%was 16.2 ± 11.3% higher for non-uniform plans than for uniform plans. The interplay-induced increase in D2%relative to the static plans was reduced from 3.2 ± 4.1% without repainting to -0.5 ± 1.7% with repainting for non-uniform plans and from 1.5 ± 2.0% to 0.1 ± 1.3% for uniform plans. Considerable differences were observed between estimated CTV doses based on 4DCT motion and intra-treatment motion. In conclusion, non-uniform dose prescription in proton SBRT may provide considerably higher tumor doses than uniform prescription for the same complication risk. Due to motion variability, target doses estimated from 4DCT motion may not accurately reflect the delivered dose. Future studies including modelling of deformations and associated range uncertainties are warranted to confirm the findings.
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Affiliation(s)
| | - Rune Hansen
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Morten Høyer
- Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark.,Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Hanna Mortensen
- Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Per Rugaard Poulsen
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark.,Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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21
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Gernhard M, Rautenberg M, Hörner G, Weber B, Emmerling F, Roth C. Mechanochemical Synthesis as a Greener Way to Produce Iron‐based Oxygen Reduction Catalysts. Z Anorg Allg Chem 2021. [DOI: 10.1002/zaac.202100194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- M. Gernhard
- Chair of Electrochemical Process Engineering Universität Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - M. Rautenberg
- BAM Federal Institute of Materials Research and Testing Richard-Willstätter-Str. 11 12489 Berlin Germany
- Department of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 12489 Berlin Germany
| | - G. Hörner
- Department of Chemistry Universität Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - B. Weber
- Department of Chemistry Universität Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - F. Emmerling
- BAM Federal Institute of Materials Research and Testing Richard-Willstätter-Str. 11 12489 Berlin Germany
- Department of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 12489 Berlin Germany
| | - C. Roth
- Chair of Electrochemical Process Engineering Universität Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
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22
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Lorenzen E, Kallehauge J, Byskov C, Dahlrot R, Haslund C, Guldberg T, Lassen-Ramshad Y, Lukacova S, Muhic A, Nyström P, Haldbo-Classen L, Bahij I, Larsen L, Weber B, Rønn Hansen C, Hansen C. PH-0608 A national study on the inter-observer variability in delineation of organs at risk in the brain. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07380-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Deinsberger J, Felhofer M, Kläger JP, Petzelbauer P, Gierlinger N, Weber B. Raman spectroscopy reveals collagen and phospholipids as major components of hyalinosis in the arteriolosclerotic ulcer of Martorell. J Eur Acad Dermatol Venereol 2021; 35:2308-2316. [PMID: 34331822 DOI: 10.1111/jdv.17573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 07/21/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Arteriolosclerotic ulcers of Martorell are histologically characterized by hyaline arteriolosclerosis resulting in concentric occlusion of the arteriolar lumina. Although several authors have previously reported on hyaline changes in hypertensive arteriolopathies, so far, little information is available on the molecular composition of hyaline wall depositions. OBJECTIVES This study aimed at the molecular characterization of hyaline arteriolar deposits in patients with hypertensive arteriolopathy using confocal Raman spectroscopy. METHODS Samples of patients diagnosed with arteriolosclerotic ulcers of Martorell were analysed using confocal Raman spectroscopy. The findings were correlated with histological analyses. Skin samples from healthy, non-hypertensive patients served as controls. RESULTS Confocal Raman spectroscopy analysis revealed that subendothelial hyaline deposits in arteriolosclerotic ulcers are mainly composed of collagen and phospholipids, in particular phosphatidylcholine. The presence of collagen within hyaline deposits was confirmed by Masson's Trichrome and Picrosirius Red staining. Additionally, the presence of collagen could also be shown for hypertensive nephrosclerosis. Actin was markedly decreased in hyalinized compared to control vessels, corresponding to the loss of smooth muscle cells in the process of hyalinization. This was confirmed by immunofluorescence staining for α-smooth muscle actin and desmin. CONCLUSION The present findings suggest that arteriolar hyaline deposits in hypertensive arteriolopathy are mainly composed of collagen and phospholipids, in particular phosphatidylcholine. Together with the concurrent absence of actin, these findings suggest that potentially critical disease mechanisms involve pressure-induced vascular smooth muscle cell apoptosis with subsequent deposition of collagen.
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Affiliation(s)
- J Deinsberger
- Skin and Endothelium Research Division (SERD), Department of Dermatology, Medical University of Vienna, Vienna, Austria.,Department of Dermatology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - M Felhofer
- Department of Nanobiotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
| | - J P Kläger
- Department of Pathology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - P Petzelbauer
- Skin and Endothelium Research Division (SERD), Department of Dermatology, Medical University of Vienna, Vienna, Austria.,Department of Dermatology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - N Gierlinger
- Department of Nanobiotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
| | - B Weber
- Skin and Endothelium Research Division (SERD), Department of Dermatology, Medical University of Vienna, Vienna, Austria.,Department of Dermatology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
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24
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Lee YYD, Nguyen DT, Moodie T, O'Brien R, McMaster A, Hickey A, Pritchard N, Poulsen P, Tabaksblat EM, Weber B, Worm E, Pryor D, Chu J, Hardcastle N, Booth J, Gebski V, Wang T, Keall P. Study protocol of the LARK (TROG 17.03) clinical trial: a phase II trial investigating the dosimetric impact of Liver Ablative Radiotherapy using Kilovoltage intrafraction monitoring. BMC Cancer 2021; 21:494. [PMID: 33941111 PMCID: PMC8091536 DOI: 10.1186/s12885-021-08184-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 04/13/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Stereotactic Ablative Body Radiotherapy (SABR) is a non-invasive treatment which allows delivery of an ablative radiation dose with high accuracy and precision. SABR is an established treatment for both primary and secondary liver malignancies, and technological advances have improved its efficacy and safety. Respiratory motion management to reduce tumour motion and image guidance to achieve targeting accuracy are crucial elements of liver SABR. This phase II multi-institutional TROG 17.03 study, Liver Ablative Radiotherapy using Kilovoltage intrafraction monitoring (LARK), aims to investigate and assess the dosimetric impact of the KIM real-time image guidance technology. KIM utilises standard linear accelerator equipment and therefore has the potential to be a widely available real-time image guidance technology for liver SABR. METHODS Forty-six patients with either hepatocellular carcinoma or oligometastatic disease to the liver suitable for and treated with SABR using Kilovoltage Intrafraction Monitoring (KIM) guidance will be included in the study. The dosimetric impact will be assessed by quantifying accumulated patient dose distribution with or without the KIM intervention. The patient treatment outcomes of local control, toxicity and quality of life will be measured. DISCUSSION Liver SABR is a highly effective treatment, but precise dose delivery is challenging due to organ motion. Currently, there is a lack of widely available options for performing real-time tumour localisation to assist with accurate delivery of liver SABR. This study will provide an assessment of the impact of KIM as a potential solution for real-time image guidance in liver SABR. TRIAL REGISTRATION This trial was registered on December 7th 2016 on ClinicalTrials.gov under the trial-ID NCT02984566 .
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Affiliation(s)
- Yoo Young Dominique Lee
- Department of Radiation Oncology, Princess Alexandra Hospital, Brisbane, QLD, Australia.
- The University of Sydney, Sydney, NSW, Australia.
| | - Doan Trang Nguyen
- The University of Sydney, Sydney, NSW, Australia
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW, Australia
- ACRF Image X Institute, Sydney, NSW, Australia
| | - Trevor Moodie
- Department of Radiation Oncology, Crown Princess Mary Cancer Centre, Sydney, NSW, Australia
| | - Ricky O'Brien
- ACRF Image X Institute, Sydney, NSW, Australia
- Radiation Physics Laboratory, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Anne McMaster
- Department of Radiation Oncology, Liverpool-Macarthur Cancer Therapy Centre, Sydney, NSW, Australia
| | - Andrew Hickey
- Department of Radiation Oncology, Crown Princess Mary Cancer Centre, Sydney, NSW, Australia
| | - Nicole Pritchard
- Department of Radiation Oncology, Crown Princess Mary Cancer Centre, Sydney, NSW, Australia
- Gamma Gurus Pty Ltd, Sydney, NSW, Australia
| | - Per Poulsen
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | | | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Esben Worm
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - David Pryor
- Department of Radiation Oncology, Princess Alexandra Hospital, Brisbane, QLD, Australia
| | - Julie Chu
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Nicholas Hardcastle
- Department of Radiation Oncology, Princess Alexandra Hospital, Brisbane, QLD, Australia
| | - Jeremy Booth
- Department of Radiation Oncology, Northern Sydney Cancer Centre, Sydney, NSW, Australia
| | - Val Gebski
- University of Sydney NHMRC Clinical Trials Centre, Sydney, NSW, Australia
| | - Tim Wang
- Department of Radiation Oncology, Crown Princess Mary Cancer Centre, Sydney, NSW, Australia
| | - Paul Keall
- ACRF Image X Institute, Sydney, NSW, Australia
- Radiation Physics Laboratory, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
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25
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Hartmann B, Weber B, Ellegast R, Jäger M, Schick R, Spallek M. Die „Checkliste 2021“ für physische Belastungen bei der Arbeit. Zbl Arbeitsmed 2021. [DOI: 10.1007/s40664-021-00430-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Abstract
ZusammenfassungIm Jahr 2009 wurde in Folge eines neuen Berufsgenossenschaftlichen Grundsatzes G 46 „Belastungen des Muskel-Skelett-Systems“ von der Deutschen Gesetzlichen Unfallversicherung (DGUV) erstmalig eine Handlungsanleitung für zielgerichtete arbeitsmedizinische Vorsorge bei physischen Belastungen zusammengestellt (BGI/GUV‑I 504-46). Diese enthielt eine Checkliste zur Prüfung des Angebots arbeitsmedizinischer Vorsorge bei körperlichen Belastungen des Muskel-Skelett-Systems. Im Jahr 2013 wurden neue Anlässe für die Angebotsvorsorge bei Tätigkeiten mit wesentlich erhöhten körperlichen Belastungen eingeführt und durch eine Arbeitsmedizinische Regel (AMR 13.2) konkretisiert.Im Forschungsprojekt MEGAPHYS der Bundesanstalt für Arbeitsschutz und Arbeitsmedizin (BAuA) und der DGUV wurden Methoden zur Beurteilung physischer Belastungen verschiedener Komplexitätsstufen bearbeitet. Leitmerkmalmethoden als spezielle Screeningverfahren wurden für 6 Belastungsarten weiter- und neuentwickelt.Betriebliche Praktiker stehen bei der Gefährdungsbeurteilung vor der Frage, ob die Arbeitsbedingungen tatsächlich „wesentlich erhöhte körperliche Belastungen“ beinhalten könnten und daher eingehender zu prüfen sind.Mit dieser Checkliste soll der betrieblichen Praxis eine Hilfe zur Verfügung stehen, um zu klären, ob die konkreten Arbeitsbedingungen überhaupt wesentlich erhöhte Belastungen darstellen könnten. Sie orientiert sich am Risikokonzept für die Erkennung der Wahrscheinlichkeit körperlicher Überbeanspruchungen im Projekt MEGAPHYS. Ein Verdacht auf eine wesentlich erhöhte Belastung (Risikobereich 3) kann bereits bestehen, wenn die Ausprägung der mittels Checkliste eingeschätzten Merkmale im mittleren Risikobereich 2 („mäßig erhöhte körperliche Belastungen“) liegt.
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26
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Oversoe SK, Clement MS, Weber B, Grønbæk H, Hamilton-Dutoit SJ, Sorensen BS, Kelsen J. Combining tissue and circulating tumor DNA increases the detection rate of a CTNNB1 mutation in hepatocellular carcinoma. BMC Cancer 2021; 21:376. [PMID: 33827453 PMCID: PMC8028749 DOI: 10.1186/s12885-021-08103-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/25/2021] [Indexed: 12/18/2022] Open
Abstract
Background and aims Studies suggest that mutations in the CTNNB1 gene are predictive of response to immunotherapy, an emerging therapy for advanced hepatocellular carcinoma (HCC). Analysis of circulating tumor DNA (ctDNA) offers the possibility of serial non-invasive mutational profiling of tumors. Combining tumor tissue and ctDNA analysis may increase the detection rate of mutations. This study aimed to evaluate the frequency of the CTNNB1 p.T41A mutation in ctDNA and tumor samples from HCC patients and to evaluate the concordance rates between plasma and tissue. We further evaluated changes in ctDNA after various HCC treatment modalities and the impact of the CTNNB1 p.T41A mutation on the clinical course of HCC. Methods We used droplet digital PCR to analyze plasma from 95 patients and the corresponding tumor samples from 37 patients during 3 years follow up. Results In tumor tissue samples, the mutation rate was 8.1% (3/37). In ctDNA from HCC patients, the CTNNB1 mutation rate was 9.5% (9/95) in the pre-treatment samples. Adding results from plasma analysis to the subgroup of patients with available tissue samples, the mutation detection rate increased to 13.5% (5/37). There was no difference in overall survival according to CTNNB1 mutational status. Serial testing of ctDNA suggested a possible clonal evolution of HCC or arising multicentric tumors with separate genetic profiles in individual patients. Conclusion Combining analysis of ctDNA and tumor tissue increased the detection rate of CTNNB1 mutation in HCC patients. A liquid biopsy approach may be useful in a tailored therapy of HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-08103-0.
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Affiliation(s)
- Stine Karlsen Oversoe
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark. .,Department of Internal Medicine, Randers Regional Hospital, Randers, Denmark.
| | | | - Britta Weber
- Department of Clinical Oncology and Danish Centre of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | - Henning Grønbæk
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | | | - Boe Sandahl Sorensen
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark
| | - Jens Kelsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
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27
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Seidel DH, Heinrich K, Hermanns-Truxius I, Ellegast RP, Barrero LH, Rieger MA, Steinhilber B, Weber B. Assessment of work-related hand and elbow workloads using measurement-based TLV for HAL. Appl Ergon 2021; 92:103310. [PMID: 33352500 DOI: 10.1016/j.apergo.2020.103310] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 11/11/2020] [Accepted: 11/13/2020] [Indexed: 06/12/2023]
Abstract
Direct-measurement-based methods for assessing workloads of the hand or elbow in the field are rare. Aim of the study was to develop such a method based on the Threshold Limit Value for Hand Activity Level (TLV for HAL). Hence, HAL was quantified using kinematic data (mean power frequencies, angular velocities and micro-pauses) and combined with electromyographic data (root-mean-square values) in order to generate a measurement-based TLV for HAL (mTLV for HAL). The multi-sensor system CUELA including inertial sensors, potentiometers and a 4-channel surface electromyography module was used. For wrist and elbow regions, associations between mTLV for HAL and disorders/complaints (quantified by odds ratios (OR [95%-confidence interval])) were tested exploratively within a cross-sectional field study with 500 participants. Higher workloads were frequently significantly associated with arthrosis of distal joints (9.23 [3.29-25.87]), wrist complaints (2.89 [1.63-5.11]) or elbow complaints (1.99 [1.08-3.67]). The new method could extend previous application possibilities.
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Affiliation(s)
- David H Seidel
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany; University Hospital Tuebingen, Institute of Occupational and Social Medicine and Health Services Research (IASV), Wilhelmstrasse 27, Tuebingen, 72074, DE, Germany.
| | - Kai Heinrich
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany
| | - Ingo Hermanns-Truxius
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany
| | - Rolf P Ellegast
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany
| | - Lope H Barrero
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany; School of Engineering, Department of Industrial Engineering, Pontificia Universidad Javeriana, Carrera 7 No. 40 - 62, Bogotá DC, 110231, CO, Colombia
| | - Monika A Rieger
- University Hospital Tuebingen, Institute of Occupational and Social Medicine and Health Services Research (IASV), Wilhelmstrasse 27, Tuebingen, 72074, DE, Germany
| | - Benjamin Steinhilber
- University Hospital Tuebingen, Institute of Occupational and Social Medicine and Health Services Research (IASV), Wilhelmstrasse 27, Tuebingen, 72074, DE, Germany
| | - Britta Weber
- Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Alte Heerstrasse 111, Sankt Augustin, 53757, DE, Germany
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28
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Mortensen HR, Villadsen GE, Worm ES, Weber B. Survival and morbidity following stereotactic radiotherapy of hepatocellular carcinoma: a ten-year, single institution experience. Scand J Gastroenterol 2021; 56:259-265. [PMID: 33430663 DOI: 10.1080/00365521.2020.1869822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIM Stereotactic ablative body radiotherapy (SABR) is an emerging treatment option in hepatocellular carcinoma (HCC) in patients ineligible for other local ablative therapies. This study reports on the safety and efficacy of SABR in a Danish cohort of HCC patients. MATERIALS AND METHODS Between January 2009 and December 2018, 28 patients with HCCs were treated with SABR at our institution. The primary endpoint of this retrospective study was local control; secondary endpoints were progression-free survival, overall survival and toxicity. RESULTS In 28 patients, 32 tumors (median size 3.7 cm, range 1.4-6.8 cm) were treated. The median follow-up time was 16 months. Most patients (68%) received previous liver-directed treatments. A dose of 48 Gy in three or six fractions were given to 43% of the patients. Grad 1 or 2 toxicity was reported in 13 patients (46%), whereas 4 patients (14%) needed hospitalization (grade 3). One-year local control and overall survivals were 90% and 71%, respectively. One-year progression-free survival was 32%, and 65% of patients with disease progression received further HCC therapy. In univariate analysis, none of the examined factors predicted recurrence or overall survival. CONCLUSION SABR provides high local control to inoperable HCC. SABR can be delivered safely even after previous liver-directed therapies and subsequent therapies are feasible after treatment with SABR. Despite excellent local control, disease progression outside of the irradiated site remains prominent. Further studies are warranted to examine combined therapy approaches to maximize disease control.
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Affiliation(s)
- Hanna Rahbek Mortensen
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark.,Danish Center of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
| | | | - Esben Schjødt Worm
- Department of Medical Physics, Aarhus University Hospital, Aarhus, Denmark
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark.,Danish Center of Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
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29
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Oversoe SK, Clement MS, Pedersen MH, Weber B, Aagaard NK, Villadsen GE, Grønbæk H, Hamilton-Dutoit SJ, Sorensen BS, Kelsen J. TERT promoter mutated circulating tumor DNA as a biomarker for prognosis in hepatocellular carcinoma. Scand J Gastroenterol 2020; 55:1433-1440. [PMID: 33103505 DOI: 10.1080/00365521.2020.1837928] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS Plasma circulating tumor DNA (ctDNA) with tumor-specific mutations is an attractive biomarker. The telomerase reverse transcriptase (TERT) C228T promoter mutation is the most prevalent tumor-associated mutation in hepatocellular carcinoma (HCC). We evaluated the presence and prognostic value of the TERT C228T mutation in plasma and tissue in a Danish HCC cohort. METHODS We analyzed ctDNA from 95 HCC patients and 45 liver cirrhotic patients without HCC for the TERT mutation using droplet digital polymerase chain reaction. We also analyzed DNA from the corresponding primary tumor tissues in 34 HCC patients. RESULTS The plasma TERT C228T mutation was detected in 42/95 HCC patients (44%) but in none of the non-HCC patients. The TERT mutation was detected in 23/34 tumor samples (68%). The TERT mutation was associated with increased mortality when detected in plasma (adjusted HR 2.16 (1.20-3.88), p = .010) but not in tumor tissue (adjusted HR 1.11 (0.35-3.56), p = .860). There was a positive correlation between the presence of the TERT mutation in plasma and an advanced TNM stage (p < .0001) and vascular invasion (p = .005). Analysis of the TERT mutation in plasma and tumor DNA from the same patient was concordant in 21/34 samples (62%; kappa value 0.31, p = .014). Non-concordance was associated with an early TNM stage. CONCLUSION The plasma TERT mutation was detected in 44% of HCC patients and in none of non-HCC cirrhotic patients; and was associated with increased mortality. We propose the TERT C228T mutation in ctDNA as a promising HCC biomarker for prognosis.
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Affiliation(s)
- Stine K Oversoe
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N, Denmark.,Department of Internal Medicine, Randers Regional Hospital, Randers, Denmark
| | - Michelle S Clement
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus N, Denmark
| | | | - Britta Weber
- Department of Clinical Oncology and Danish Centre of Particle Therapy, Aarhus University Hospital, Aarhus N, Denmark
| | - Niels Kristian Aagaard
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N, Denmark
| | - Gerda E Villadsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N, Denmark
| | - Henning Grønbæk
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N, Denmark
| | | | - Boe S Sorensen
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus N, Denmark
| | - Jens Kelsen
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus N, Denmark
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30
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Weber B, Biery D, Singh A, Divakaran S, Berman A, Wu W, Brown J, Liao K, Bhatt D, Di Carli M, Blankstein R. Association of inflammatory disease and long-term outcomes among young adults with myocardial infarction: the Partners YOUNG-MI registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Autoimmune systemic inflammatory diseases are associated with an increased risk of cardiovascular disease, particularly myocardial infarction (MI). However, there are limited data on the prevalence and effects of inflammatory disease among U.S. adults who experience an MI at a young age.
Purpose
We sought to determine the prevalence and prognostic value of inflammatory disease in U.S. adults who experience an MI at a young age.
Methods
The YOUNG-MI registry is a retrospective cohort study of consecutive patients who experienced a Type 1 MI at or below the age of 50 years from 2000 to 2016 at two large medical centers. A diagnosis of rheumatoid arthritis (RA), psoriasis (PsO), systemic lupus erythematosus (SLE), or inflammatory arthritis was determined through physician review of electronic medical records (EMR). Demographic information, presence of cardiovascular (CV) risk-factors, medical procedures, and medications upon discharge were also ascertained from the EMR. Incidence of death was determined using a combination of EMR and national databases. Cox proportional hazard modeling was performed on a sub-sample following Mahalanobis Distance matching on age, sex, and CV risk factors.
Results
The cohort consisted of 2097 individuals (median age 45 years, 19% female, 53% ST-elevation MI). Among these, 53 (2.5%) individuals possessed a diagnosis of systemic inflammatory disease at or before their index MI (23% SLE, 9% RA, 64% PsO, 4% inflammatory arthritis). When compared to the remainder of the cohort, patients with a diagnosis of systemic inflammatory disease were more likely to be female (36% vs 19%, p=0.004) and be diagnosed with hypertension (62% vs 46%, p=0.025). There was, however, no significant difference in the prevalence of other CV risk factors – diabetes, smoking, dyslipidemia – or a family history of premature coronary artery disease. Despite these similarities, patients with inflammatory disease were less likely to be prescribed aspirin (88% vs 95%, p=0.049) or a statin (76% vs 89%, p=0.008) upon discharge. Over a median follow-up of 11.2 years, patients with inflammatory disease experienced an increased risk of all-cause mortality when compared with the full-cohort (Figure). Compared to the matched sample (n=138), patients with systemic inflammatory disease exhibited an increased risk of all-cause mortality (HR=2.68, CI [1.18 to 6.07], p=0.018), which remained significant after multivariable adjustment for length of stay and GFR (HR=2.38, CI [1.02 to 5.54], p=0.045).
Conclusions
Among individuals who experienced an MI at a young age, approximately 2.5% had evidence of a systemic inflammatory disease at or before their MI. When compared with a population of individuals with similar cardiovascular risk profiles, those with inflammatory disease had higher rates of all-cause mortality. Our findings suggest that the presence of a systemic inflammatory disorder is independently associated with worse long-term outcomes.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): 1. 5T32 HL094301 NIH T32 Training Grant, “Noninvasive Cardiovascular Imaging Research Training Program”
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Affiliation(s)
- B Weber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - D.W Biery
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - A Singh
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Divakaran
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - A.N Berman
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - W Wu
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - J.M Brown
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - K Liao
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - D.L Bhatt
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - M Di Carli
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - R Blankstein
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
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31
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Weber B, Brown J, Divakaran S, Stevens E, Hainer J, Bibbo C, Taqueti V, Blankstein R, Dorbala S, Massarotti E, Costenbader K, Liao K, Dicarli M. Coronary vasomotor dysfunction is associated with worse outcomes in patients with inflammatory disease. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and psoriasis (PsO) are common inflammatory conditions with excess cardiovascular (CV) risk compared to the general population. This excess CV risk is associated with traditional risk factors, glucocorticoid treatment, and systemic inflammation. Systemic inflammation perturbs endothelial function and has been linked to coronary vasomotor dysfunction. It is not clear if coronary vasomotor dysfunction would be associated with worse clinical outcomes in systemic autoimmune inflammatory conditions.
Purpose
We tested the hypothesis that impaired coronary flow reserve (CFR), which in the absence of flow-limiting obstructive coronary artery disease (CAD) reflects vasomotor dysfunction, among patients with SLE, RA, and PsO is associated with worse clinical outcomes.
Methods
We included patients with RA, SLE, and PsO who underwent clinically indicated rest/stress myocardial perfusion positron emission tomography (PET) at a large academic medical center from 2006 to 2019. Patients with an abnormal myocardial perfusion study (summed stress score >3) or left ventricular ejection fraction <40% were excluded. CFR was calculated as the ratio of myocardial blood flow (MBF, ml/min/g) at peak stress compared to the MBF at rest and adjusted for baseline heart rate and blood pressure.
Results
Among the 175 patients (median age 65.1 years, 80% female) in the cohort, 24% had SLE, 35% PsO, and 41% RA. There was no difference in mean CFR between patients with RA, SLE, or PsO. Over a median follow-up of 8.5 years after PET, there were 47 deaths. Patients in the lowest and middle tertile (CFR <2.18) had a higher all-cause mortality when compared with the highest (Figure 1), and this association remained significant after adjusting for age and a composite clinical score incorporating sex, symptoms, and CV risk factors (lowest vs. highest tertile: HR 2.8; 95% confidence interval 1.2–6.5; p=0.01). CV risk factors such as diabetes, hypertension, obesity, tobacco use, and a family history of CAD were not significantly different across CFR tertiles, suggesting that inflammatory-disease specific risk factors may contribute to coronary vasomotor dysfunction.
Conclusions
In patients with systemic inflammatory disease, coronary vasomotor dysfunction was associated with worse outcomes independent of traditional CV risk factors and may have utility as a marker of CV risk among patients with inflammatory disease.
Figure 1
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): 1. 5T32HL094301-02 NIH T32 Training Grant, “Noninvasive Cardiovascular Imaging Research Training Program”
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Affiliation(s)
- B Weber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - J.M Brown
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Divakaran
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - E Stevens
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - J Hainer
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - C Bibbo
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - V Taqueti
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - R Blankstein
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Dorbala
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - E Massarotti
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - K Costenbader
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - K Liao
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - M Dicarli
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
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Haider A, Bengs S, Warnock G, Akhmedov A, Kozerke S, Kwiatkowski G, Mueller Herde A, Kraemer S, Weber B, Schibli R, Mu L, Kaufmann P, Regitz-Zagrosek V, Ametamey S, Gebhard C. Age-dependent cardiac remodelling – role of sex hormones. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
While cardiovascular mortality in women has exceeded those in men, women continue to be underrepresented in cardiovascular clinical trials. Further, preclinical experiments are predominantly conducted in male animals, rendering sex-specific variables contributing to cardiovascular disease largely unknown. As age and menopause remain to be key risk factors for cardiovascular disease in women, the aim of this study was to identify key variables of cardiac remodelling in the aging female and male heart, as well as to assess effects of sex hormone deprivation on left ventricular (LV) morphology, LV function and cardiac sympathetic activity.
Materials and methods
Gonadectomized and sham-operated FVB/N mice of both sexes were subjected to positron emission tomography (PET) and cardiac magnetic resonance (CMR) imaging at the age of 4 (young cohort) and 20 (aged cohort) months (total n=123, 55% females). Following tail-vein injection of [11C]meta-hydroxynorephedrine ([11C]mHED), a widely used PET probe in preclinical and clinical assessment of cardiac sympathetic integrity, animals were scanned and cardiac sympathetic outflow was derived from myocardial [11C]mHED uptake. Cardiac parameters including LV volumes and left ventricular ejection fraction (LVEF) were obtained from electrocardiogram (ECG)-gated CMR imaging.
Results and discussion
A significant increase of LVEF was observed in aging females (p=0.012, Figure 1), but not in males. The latter was not associated with a higher cardiac output, and was a consequence of reduced LV end-systolic volumes (p=0.008), unveiling a substantial reduction of size in the aging female heart. As this age-dependent observation was not present in gonadectomized animals (p=0.414), the lack of growth-stimulating estrogen might account for reduction of cardiac size in aging females. Thus, despite a significantly heightened body weight, female heart size is reduced with age. Accordingly, sufficient cardiac output was maintained via increased heart rate (p=0.005) and cardiac sympathetic activity (p=0.040, Figure 1). Gonadectomy accelerated age-dependent changes in LV morphology and function in female mice. While sex hormone deprivation blunted cardiac sympathetic activity and norepinephrine levels in male mice, an opposite trend was observed in females.
Conclusion
Despite increasing body weight with age, aged female and male hearts maintain a stable circulatory blood supply, however, by distinct mechanisms. While the “shrinking” female heart requires an increased heart rate and cardiac sympathetic activity to compensate for smaller ventricular volumes, aging males maintain cardiac size. Importantly, sex hormone deprivation at a young age accelerates age-dependent changes in LV morphology and function in female mice, but not in male mice. The increased sympathetic activity reflects a higher stress level in aged females that might expose them to a higher cardiac vulnerability at postmenopausal age.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Swiss National Science Foundation; Swissheart Foundation
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Affiliation(s)
- A Haider
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
| | - S Bengs
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
| | - G Warnock
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
| | - A Akhmedov
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
| | - S Kozerke
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute for Biomedical Engineering, Zurich, Switzerland
| | - G Kwiatkowski
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute for Biomedical Engineering, Zurich, Switzerland
| | - A Mueller Herde
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmaceutical Sciences, Zurich, Switzerland
| | - S.D Kraemer
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmaceutical Sciences, Zurich, Switzerland
| | - B Weber
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmacology and Toxicology, Zurich, Switzerland
| | - R Schibli
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmaceutical Sciences, Zurich, Switzerland
| | - L Mu
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmaceutical Sciences, Zurich, Switzerland
| | - P.A Kaufmann
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
| | - V Regitz-Zagrosek
- Charite Universitatsmedizin Berlin, Institute for Gender in Medicine, Berlin, Germany
| | - S.M Ametamey
- Swiss Federal Institute of Technology Zurich (ETH Zurich), Institute of Pharmaceutical Sciences, Zurich, Switzerland
| | - C Gebhard
- University Hospital Zurich, Department of Nuclear Medicine, Zurich, Switzerland
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Zahnreich S, Weber B, Rösch G, Schindler D, Schmidberger H. Compromised repair of radiation-induced DNA double-strand breaks in Fanconi anemia fibroblasts in G2. DNA Repair (Amst) 2020; 96:102992. [PMID: 33069004 DOI: 10.1016/j.dnarep.2020.102992] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/04/2020] [Accepted: 09/23/2020] [Indexed: 12/23/2022]
Abstract
Fanconi anemia (FA) is a rare chromosomal instability syndrome with various clinical features and high cancer incidence. Despite being a DNA repair disorder syndrome and a frequently observed clinical hypersensitivity of FA patients towards ionizing radiation, the experimental evidence regarding the efficiency of radiation-induced DNA double-strand break (DSB) repair in FA is very controversial. Here, we performed a thorough analysis of the repair of radiation-induced DSBs in G1 and G2 in FA fibroblasts of complementation groups A, C, D1 (BRCA2), D2, E, F, G and P (SLX4) in comparison to normal human lung and skin fibroblasts. γH2AX, 53BP1, or RPA foci quantification after X-irradiation was combined with cell cycle markers. Cytogenetic analyses were performed on first metaphases after irradiation in G1 and by premature chromosome condensation after exposure in G2. Furthermore, the role of canonical-NHEJ and alternative-NHEJ for the fidelity of the repair of radiation-induced DSBs was examined. In FA fibroblasts, DSB repair was normal in G1 but compromised and more error-prone in the slow repair component of G2 as suggested by higher yields of radiation-induced γH2AX and 53BP1 foci as well as chromatid exchanges. However, RPA foci quantification in G2 indicated proficiency for homology-directed repair of DSBs in FA except for FA D1 (BRCA2). In lung fibroblasts, DSB repair in G1 was conducted with normal kinetics but elevated chromosome exchanges compared to skin fibroblasts. The overall repair of radiation-induced DSBs and the formation of chromosome exchanges in normal and FA fibroblasts in G1 and G2 were governed by canonical-NHEJ with no contribution of alternative-NHEJ. Together, we show impaired repair of radiation-induced DSBs in various FA complementation groups in the slow repair component of G2 that might promote the formation of potentially oncogenic aberrations and clinical radiation hypersensitivity.
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Affiliation(s)
- Sebastian Zahnreich
- Department of Radiation Oncology and Radiation Therapy, University Medical Centre of the Johannes Gutenberg, University Mainz, Germany.
| | - Britta Weber
- Department of Radiation Oncology and Radiation Therapy, University Medical Centre of the Johannes Gutenberg, University Mainz, Germany
| | - Gundula Rösch
- Department of Radiation Oncology and Radiation Therapy, University Medical Centre of the Johannes Gutenberg, University Mainz, Germany
| | - Detlev Schindler
- Institute of Human Genetics, Julius-Maximilians-University, Würzburg, Germany
| | - Heinz Schmidberger
- Department of Radiation Oncology and Radiation Therapy, University Medical Centre of the Johannes Gutenberg, University Mainz, Germany
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Weber B, Rathgeb A, Jupke A. Kompartiment‐Modell für die Simulation von Flüssig/Flüssig‐Extraktionskolonnen. CHEM-ING-TECH 2020. [DOI: 10.1002/cite.202055344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- B. Weber
- RWTH Aachen University Fluidverfahrenstechnik (AVT. FVT) Forckenbeckstr. 51 52074 Aachen Deutschland
| | - A. Rathgeb
- RWTH Aachen University Fluidverfahrenstechnik (AVT. FVT) Forckenbeckstr. 51 52074 Aachen Deutschland
| | - A. Jupke
- RWTH Aachen University Fluidverfahrenstechnik (AVT. FVT) Forckenbeckstr. 51 52074 Aachen Deutschland
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Brockkötter J, Cielanga M, Weber B, Jupke A. Datenbasierte Modellierung des Flutverhaltens von Extraktions‐ und Hochdruckextraktionskolonnen. CHEM-ING-TECH 2020. [DOI: 10.1002/cite.202055039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- J. Brockkötter
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Deutschland
| | - M. Cielanga
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Deutschland
| | - B. Weber
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Deutschland
| | - A. Jupke
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Deutschland
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36
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Kampwerth J, Weber B, Jupke A. Methodik zur ganzheitlichen Auslegung von Extraktionsprozessen. CHEM-ING-TECH 2020. [DOI: 10.1002/cite.202055055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- J. Kampwerth
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Germany
| | - B. Weber
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Germany
| | - A. Jupke
- RWTH Aachen University AVT. Fluidverfahrenstechnik Forckenbeckstr. 51 52074 Aachen Germany
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37
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Weber B, Deinsberger J, Hafner J, Beltraminelli H, Tzaneva S, Böhler K. Localization‐mapping of arteriolosclerotic ulcers of Martorell using two‐dimensional computational rendering reveals a predominant location on the mid‐lateral lower leg. J Eur Acad Dermatol Venereol 2020; 35:e40-e42. [DOI: 10.1111/jdv.16787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. Weber
- Department of Dermatology Medical University of Vienna Vienna Austria
- Disease Modeling and Organoid Technology (DMOT) Research Group Department of Dermatology Medical University of Vienna Vienna Austria
| | - J. Deinsberger
- Department of Dermatology Medical University of Vienna Vienna Austria
- Disease Modeling and Organoid Technology (DMOT) Research Group Department of Dermatology Medical University of Vienna Vienna Austria
| | - J. Hafner
- Department of Dermatology University Hospital Zürich University of Zürich Zürich Switzerland
| | - H. Beltraminelli
- Department of Dermatology Inselspital Bern University Hospital University of Bern Bern Switzerland
| | - S. Tzaneva
- Department of Dermatology Medical University of Vienna Vienna Austria
| | - K. Böhler
- Department of Dermatology Medical University of Vienna Vienna Austria
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Kjærgaard K, Weber B, Alstrup AKO, Petersen JBB, Hansen R, Hamilton-Dutoit SJ, Mortensen FV, Sørensen M. Hepatic regeneration following radiation-induced liver injury is associated with increased hepatobiliary secretion measured by PET in Göttingen minipigs. Sci Rep 2020; 10:10858. [PMID: 32616907 PMCID: PMC7331737 DOI: 10.1038/s41598-020-67609-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 05/26/2020] [Indexed: 12/11/2022] Open
Abstract
Normal liver tissue is highly vulnerable towards irradiation, which remains a challenge in radiotherapy of hepatic tumours. Here, we examined the effects of radiation-induced liver injury on two specific liver functions and hepatocellular regeneration in a minipig model. Five Göttingen minipigs were exposed to whole-liver stereotactic body radiation therapy (SBRT) in one fraction (14 Gy) and examined 4–5 weeks after; five pigs were used as controls. All pigs underwent in vivo positron emission tomography (PET) studies of the liver using the conjugated bile acid tracer [N-methyl-11C]cholylsarcosine ([11C]CSar) and the galactose-analogue tracer [18F]fluoro-2-deoxy-d-galactose ([18F]FDGal). Liver tissue samples were evaluated histopathologically and by immunohistochemical assessment of hepatocellular mitosis, proliferation and apoptosis. Compared with controls, both the rate constant for secretion of [11C]CSar from hepatocytes into intrahepatic bile ducts as well as back into blood were doubled in irradiated pigs, which resulted in reduced residence time of [11C]CSar inside the hepatocytes. Also, the hepatic systemic clearance of [18F]FDGal in irradiated pigs was slightly increased, and hepatocellular regeneration was increased by a threefold. In conclusion, parenchymal injury and increased regeneration after whole-liver irradiation was associated with enhanced hepatobiliary secretion of bile acids. Whole-liver SBRT in minipigs ultimately represents a potential large animal model of radiation-induced liver injury and for testing of normal tissue protection methods.
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Affiliation(s)
- Kristoffer Kjærgaard
- Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, 8200, Aarhus N, Denmark. .,Department of Hepatology and Gastroenterology, Aarhus University Hospital, 8200, Aarhus N, Denmark.
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, 8200, Aarhus N, Denmark
| | | | | | - Rune Hansen
- Department of Oncology, Aarhus University Hospital, 8200, Aarhus N, Denmark
| | | | | | - Michael Sørensen
- Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, 8200, Aarhus N, Denmark.,Department of Hepatology and Gastroenterology, Aarhus University Hospital, 8200, Aarhus N, Denmark
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Petrova D, Sharma DK, Vacha M, Bonn D, Brouwer AM, Weber B. Ageing of Polymer Frictional Interfaces: The Role of Quantity and Quality of Contact. ACS Appl Mater Interfaces 2020; 12:9890-9895. [PMID: 32024365 PMCID: PMC7049987 DOI: 10.1021/acsami.9b19125] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 02/04/2020] [Indexed: 05/06/2023]
Abstract
When two objects are in contact, the force necessary for one to start sliding over the other is larger than the force necessary to keep the sliding motion going. This difference between static and dynamic friction is thought to result from a reduction in the area of real contact upon the onset of slip. Here, we resolve the structure in the area of contact on the molecular scale by means of environment-sensitive molecular rotors using (super-resolution) fluorescence microscopy and fluorescence lifetime imaging. We demonstrate that the macroscopic friction force is not only controlled by the area of real contact but also controlled by the "quality" of that area of real contact, which determines the friction per unit contact area. We show that the latter is affected by the local density of the contacting surfaces, a parameter that can be expected to change in time at any interface that involves glassy, amorphous materials.
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Affiliation(s)
- D. Petrova
- van
‘t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - D. K. Sharma
- Department
of Materials Science and Engineering, Tokyo
Institute of Technology, Ookayama 2-12-1-S8-44, Meguro-ku, 152-8552 Tokyo, Japan
| | - M. Vacha
- Department
of Materials Science and Engineering, Tokyo
Institute of Technology, Ookayama 2-12-1-S8-44, Meguro-ku, 152-8552 Tokyo, Japan
| | - D. Bonn
- Van
der Waals-Zeeman Institute, IoP, University
of Amsterdam, Science Park 904, 1098XH Amsterdam, The Netherlands
| | - A. M. Brouwer
- van
‘t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - B. Weber
- Van
der Waals-Zeeman Institute, IoP, University
of Amsterdam, Science Park 904, 1098XH Amsterdam, The Netherlands
- Advanced
Research Center for Nanolithography (ARCNL), Science Park 110, 1098 XG Amsterdam, Netherlands
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Ernst L, David B, Gaubatz J, Domínguez-Narciso I, Lüchters G, Becker AJ, Weber B, Hattingen E, Elger CE, Rüber T. Volumetry of Mesiotemporal Structures Reflects Serostatus in Patients with Limbic Encephalitis. AJNR Am J Neuroradiol 2019; 40:2081-2089. [PMID: 31727746 DOI: 10.3174/ajnr.a6289] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 09/11/2019] [Indexed: 01/07/2023]
Abstract
BACKGROUND AND PURPOSE Limbic encephalitis is an autoimmune disease. A variety of autoantibodies have been associated with different subtypes of limbic encephalitis, whereas its MR imaging signature is uniformly characterized by mesiotemporal abnormalities across subtypes. Here, we hypothesized that patients with limbic encephalitis would show subtype-specific mesiotemporal structural correlates, which could be classified by supervised machine learning on an individual level. MATERIALS AND METHODS T1WI MPRAGE scans from 46 patients with antibodies against glutamic acid decarboxylase and 34 patients with antibodies against the voltage-gated potassium channel complex (including 10 patients with leucine-rich glioma-inactivated 1 autoantibodies) and 48 healthy controls were retrospectively ascertained. Parcellation of the amygdala, hippocampus, and hippocampal subfields was performed using FreeSurfer. Volumes were extracted and compared between groups using unpaired, 2-tailed t tests. The volumes of hippocampal subfields were analyzed using a multivariate linear model and a binary decision tree classifier. RESULTS Temporomesial volume alterations were most pronounced in an early stage and in the affected hemispheric side of patients. Statistical analysis revealed antibody-specific hippocampal fingerprints with a higher volume of CA1 in patients with glutamic acid decarboxylase-associated limbic encephalitis (P = .02), compared with controls, whereas CA1 did not differ from that in controls in patients with voltage-gated potassium channel complex autoantibodies. The classifier could successfully distinguish between patients with autoantibodies against leucine-rich glioma-inactivated 1 and glutamic acid decarboxylase with a specificity of 87% and a sensitivity of 80%. CONCLUSIONS Our results suggest stage-, side- and antibody-specific structural correlates of limbic encephalitis; thus, they create a perspective toward an MR imaging-based diagnosis.
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Affiliation(s)
- L Ernst
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
| | - B David
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
| | - J Gaubatz
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
| | - I Domínguez-Narciso
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
| | - G Lüchters
- Center for Development Research (G.L.), University of Bonn, Bonn, Germany
| | | | - B Weber
- Institute for Experimental Epileptology and Cognition Research (B.W.)
| | - E Hattingen
- Department of Radiology (E.H.), University of Bonn Medical Center, Bonn, Germany
- Department of Neuroradiology (E.H.), Goethe University Frankfurt, Frankfurt, Germany
| | - C E Elger
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
| | - T Rüber
- From the Department of Epileptology (L.E., B.D., J.G., I.D.-N., C.E.E., T.R.)
- Epilepsy Center Frankfurt Rhine-Main (T.R.)
- Department of Neurology, and Center for Personalized Translational Epilepsy Research (T.R.), Goethe-University Frankfurt, Frankfurt am Main, Germany
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Hofmann GA, Gradl G, Schulz M, Haidinger G, Tanew A, Weber B. The frequency of photosensitizing drug dispensings in Austria and Germany: a correlation with their photosensitizing potential based on published literature. J Eur Acad Dermatol Venereol 2019; 34:589-600. [PMID: 31520553 PMCID: PMC7065208 DOI: 10.1111/jdv.15952] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/23/2019] [Indexed: 01/15/2023]
Abstract
Background Drug‐induced photosensitivity refers to the development of cutaneous adverse events due to interaction between a pharmaceutical compound and sunlight. Although photosensitivity is a very commonly listed side‐effect of systemic drugs, reliable data on its actual incidence are lacking so far. Objectives A possible approach to evaluate the real‐life extent of drug‐induced photosensitivity would be an analysis of the frequency of exposure to a given photosensitizing drug combined with an indicator of its photosensitizing potential. This could serve as a basis for developing a pharmaceutical ‘heatmap’ of photosensitivity. Methods The present study investigated the number of reimbursed dispensed packages of potentially photosensitizing drugs in Germany (DE) and Austria (AT) between 2010 and 2017 based on nationwide health insurance‐based databases. In addition, an indicator for the photosensitizing potential was established for each drug based on the number of reports on photosensitivity in the literature. Results This analysis includes means of 632 826 944 (+/−14 894 918) drug dispensings per year in DE and 113 270 754 (+/−1 964 690) in AT. Out of these, the mean percentage of drugs that enlist photosensitivity as a potential side‐effect was 49.5% (±0.7) in DE and 48.2% (±1.2) in AT. When plotting the number of reimbursed dispensed packages vs. the number of reports on photosensitivity, two categories of drugs show high numbers for both parameters, that is diuretics and non‐steroidal anti‐inflammatory drugs (NSAIDs). Conclusions Diuretics and NSAIDs appear to be responsible for the greatest part of exposure to photosensitizing drugs with potential implication on public health.
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Affiliation(s)
- G A Hofmann
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - G Gradl
- German Institute for Drug Use Evaluation (DAPI), Berlin, Germany
| | - M Schulz
- German Institute for Drug Use Evaluation (DAPI), Berlin, Germany.,Department of Medicine, ABDA - Federal Union of German Associations of Pharmacists, Berlin, Germany.,Institute of Pharmacy, Freie Universitaet Berlin, Berlin, Germany
| | - G Haidinger
- Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - A Tanew
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - B Weber
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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Knoth SN, Weber B, Eberhart LHJ. [54-years-old female after reduction mammoplasty under general anesthesia : Preparation for the medical specialist examination: part 42]. Anaesthesist 2019; 68:273-279. [PMID: 31673750 DOI: 10.1007/s00101-019-00682-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- S N Knoth
- Klinik für Anästhesie und Intensivtherapie, Philipps-Universität, Baldingerstr. 1, 35033, Marburg, Deutschland
| | - B Weber
- Klinik für Anästhesie und Intensivtherapie, Philipps-Universität, Baldingerstr. 1, 35033, Marburg, Deutschland
| | - L H J Eberhart
- Klinik für Anästhesie und Intensivtherapie, Philipps-Universität, Baldingerstr. 1, 35033, Marburg, Deutschland.
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O'Toole MS, Mennin DS, Applebaum A, Weber B, Rose H, Fresco DM, Zachariae R. A Randomized Controlled Trial of Emotion Regulation Therapy for Psychologically Distressed Caregivers of Cancer Patients. JNCI Cancer Spectr 2019; 4:pkz074. [PMID: 32337491 PMCID: PMC7050163 DOI: 10.1093/jncics/pkz074] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 08/22/2019] [Accepted: 09/09/2019] [Indexed: 12/18/2022] Open
Abstract
Background Previous cognitive behavioral therapies for informal caregivers (ICs) have produced negligible effects. The purpose of this study was to evaluate, in a randomized controlled trial, the efficacy of Emotion Regulation Therapy adapted for caregivers (ERT-C) on psychological and inflammatory outcomes in psychologically distressed ICs and the cancer patients cared for. Methods A total of 81 ICs with elevated psychological distress were randomly assigned to ERT-C or a waitlist condition and assessed pre-, mid-, and post-treatment. In 52 cases, the patient cared for by the IC was included. Patients did not receive ERT-C. Both the ERT-C and waitlist groups were followed 3 and 6 months post-treatment. Data were analyzed with multilevel models, and P values were two-sided. Results Compared with ICs in the waitlist condition, ICs in the ERT-C condition experienced medium to large statistically significant reductions in psychological distress (Hedge’s g = 0.86, 95% confidence interval [CI] = 0.40 to 1.32, P < .001), worry (g = 0.96, 95% CI = 0.50 to 1.42, P < .001), and caregiver burden (g = 0.53, 95% CI = 0.10 to 1.99, P = .007) post-treatment. No statistically significant effects were found for rumination (g = 0.24, 95% CI = −0.20 to 0.68, P = .220). Results concerning caregiver burden were maintained through 6 months follow-up. Although the effects on psychological distress and worry diminished, their end-point effects remained medium to large. No statistically significant effects on systemic inflammation were detected (C-reactive protein: g = .17, 95% CI = −0.27 to 0.61, P = .570; interleukin-6: g = .35, 95% CI = −0.09 to 0.79, P = .205; tumor necrosis factor-alpha: g = .11, 95% CI = −0.33 to 0.55, P = .686). Patients whose ICs attended ERT-C experienced a large increase in quality of life post-treatment (g = 0.88, 95% CI = 0.18 to 1.58, P = .017). Conclusions To our knowledge, this is the first randomized controlled trial evaluating the efficacy of ERT-C for ICs. Given the previous disappointing effects of other cognitive behavioral therapies for this population, the present findings are very encouraging. Identifying ICs with elevated psychological distress and providing them with relevant psychotherapy appears an important element of comprehensive cancer care.
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Affiliation(s)
- Mia S O'Toole
- Unit for Psychooncology and Health Psychology, Aarhus University and Aarhus University Hospital, Denmark
| | - Douglas S Mennin
- Department of Psychology, Teachers College, Columbia University, New York, NY
| | - Allison Applebaum
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Denmark
| | - Hanne Rose
- Department of Oncology, Aarhus University Hospital, Denmark
| | - David M Fresco
- Department of Psychological Sciences, Kent State University, Kent, OH
| | - Robert Zachariae
- Unit for Psychooncology and Health Psychology, Aarhus University and Aarhus University Hospital, Denmark
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Weber B, Marculescu R, Radakovic S, Tanew A. Serum levels of folate, 25-hydroxyvitamin D3 and cobalamin during UVB phototherapy: findings in a large prospective trial. J Eur Acad Dermatol Venereol 2019; 34:385-391. [PMID: 31494977 PMCID: PMC7027503 DOI: 10.1111/jdv.15941] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 08/21/2019] [Indexed: 11/29/2022]
Abstract
Background Narrowband UVB phototherapy (NB‐UVB) is a mainstay in the treatment of numerous inflammatory dermatoses. Whereas, a wealth of studies has shown that NB‐UVB treatment increases 25‐hydroxyvitamin D3 (25(OH)D) levels, only sparse and controversial data exist on its effect on serum folate and cobalamin. Objectives To determine whether exposure to NB‐UVB alters serum folate or cobalamin levels. Methods A single‐centre, prospective, open observational study on 101 patients subjected to NB‐UVB phototherapy between late fall and early spring. Serum folate, 25(OH)D and cobalamin levels were measured after 0, 12, 24 and 36 NB‐UVB exposures. Results After 12 NB‐UVB exposures a significant decrease of mean serum folate (−1.0 nmol/L; P = 0.03) and cobalamin (−14.5 pmol/L, P = 0.03) levels was observed whereas serum levels of 25(OH)D showed a significant increase (35.4 nmol/L, P < 0.0001). Conclusions A standard course of NB‐UVB induces a small but significant decrease of serum folate and cobalamin levels.
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Affiliation(s)
- B Weber
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - R Marculescu
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - S Radakovic
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - A Tanew
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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Skouboe S, Ravkilde T, Bertholet J, Hansen R, Worm ES, Muurholm CG, Weber B, Høyer M, Poulsen PR. First clinical real-time motion-including tumor dose reconstruction during radiotherapy delivery. Radiother Oncol 2019; 139:66-71. [PMID: 31431367 DOI: 10.1016/j.radonc.2019.07.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/25/2019] [Accepted: 07/04/2019] [Indexed: 11/29/2022]
Abstract
PURPOSE To clinically implement and characterize real-time motion-including tumor dose reconstruction during radiotherapy delivery. METHODS Seven patients with 2-3 fiducial markers implanted near liver tumors received stereotactic body radiotherapy on a conventional linear accelerator. The 3D marker motion during a setup CBCT scan was determined online from the CBCT projections and used to generate a correlation model between tumor and external marker block motion. During treatment, the correlation model was updated by kV imaging every three seconds and used for real-time tumor localization. Using streamed accelerator parameters and tumor positions, in-house developed software, DoseTracker, calculated the dose to the moving tumor in real-time assuming water density in the patient. Post-treatment, the real-time tumor localization was validated by comparison with independent marker segmentations and 3D motion estimations. Dose reconstruction was validated by comparison with treatment planning system (TPS) calculations that modeled motion as isocenter shifts and used both actual CT densities and water densities. RESULTS The real-time estimated tumor position had a mean 3D root-mean-square error of 1.7 mm (range: 0.9-2.6 mm). The motion-induced reduction in the minimum dose to 95% of the clinical target volume (CTV D95) per fraction was up to 12.3%-points. It was estimated in real-time by DoseTracker during patient treatment with a root-mean-square difference relative to the TPS of 1.3%-points (TPS CT) and 1.0%-points (TPS water). CONCLUSIONS The world's first clinical real-time motion-including tumor dose reconstruction during radiotherapy was demonstrated. This marks an important milestone for real-time in-treatment quality assurance and paves the way for real-time dose-guided treatment adaptation.
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Affiliation(s)
- Simon Skouboe
- Department of Oncology, Aarhus University Hospital, Denmark.
| | - Thomas Ravkilde
- Department of Medical Physics, Aarhus University Hospital, Denmark
| | - Jenny Bertholet
- Joint Department of Physics, The Institute of Cancer Research and the Royal Marsden Hospital NHS Foundation Trust, London, UK
| | - Rune Hansen
- Department of Medical Physics, Aarhus University Hospital, Denmark
| | | | | | - Britta Weber
- Department of Oncology, Aarhus University Hospital, Denmark; Danish Center for Particle Therapy, Aarhus University Hospital, Denmark
| | - Morten Høyer
- Danish Center for Particle Therapy, Aarhus University Hospital, Denmark
| | - Per Rugaard Poulsen
- Department of Oncology, Aarhus University Hospital, Denmark; Danish Center for Particle Therapy, Aarhus University Hospital, Denmark
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Stødkilde‐Jørgensen H, Laustsen C, Hansen ESS, Schulte R, Ardenkjaer‐Larsen JH, Comment A, Frøkiær J, Ringgaard S, Bertelsen LB, Ladekarl M, Weber B. Pilot Study Experiences With Hyperpolarized [1‐
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C]pyruvate MRI in Pancreatic Cancer Patients. J Magn Reson Imaging 2019; 51:961-963. [DOI: 10.1002/jmri.26888] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 12/16/2022] Open
Affiliation(s)
| | - Christoffer Laustsen
- MR Research Centre, Department of Clinical MedicineAarhus University Aarhus Denmark
| | | | | | - Jan Henrik Ardenkjaer‐Larsen
- Department of Health TechnologyTechnical University of Denmark Kgs Lyngby Denmark
- General Electric Healthcare Brøndby Denmark
| | | | - Jørgen Frøkiær
- Department of Clinical MedicineAarhus University Aarhus Denmark
| | - Steffen Ringgaard
- MR Research Centre, Department of Clinical MedicineAarhus University Aarhus Denmark
| | | | - Morten Ladekarl
- Department of OncologyClinical Cancer Research Center, Aalborg University Hospital Denmark
| | - Britta Weber
- Danish Centre for Particle TherapyAarhus University Hospital Denmark
- Department of OncologyAarhus University Hospital Denmark
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Brook H, Caspari S, Weber B, Grimmler M, Murphy F, Mccusker M, Matters D, Harding S. Measurement of Lipoprotein (a) using the binding site Optilite® turbidimetric analyzer and Lipoprotein (a) assay. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Yeung R, Beaton L, Rackley T, Weber B, Hamm J, Lee R, Camborde M, Pearson M, Duzenli C, Loewen S, Liu M, Ma R, Schellenberg D. Stereotactic Body Radiotherapy for Small Unresectable Hepatocellular Carcinomas. Clin Oncol (R Coll Radiol) 2019; 31:365-373. [DOI: 10.1016/j.clon.2019.01.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 01/08/2019] [Accepted: 01/08/2019] [Indexed: 12/31/2022]
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Sroa B, Weber B, Grimmler M, Murphy F, Matters D, Harding S. Apolipoprotein B assay performance on the binding site Optilite® turbidimetric analyzer. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Mortensen H, Nordsmark M, Møller D, Risum S, Holtved E, Nielsen M, Weber B, Josipovic M, Hoffmann L. PO-0807 Heterogeneous FDG-guided dose escalation in definitive oesophageal radiotherapy: a feasibility study. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31227-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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