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Hasterok M, Szołtysik M, Nowicka Z, Goc B, Gräupner D, Majewski W, Rasławski K, Rajwa P, Jabłońska I, Magrowski Ł, Przydacz M, Krajewski W, Masri O, Miszczyk M. Rectum and Bladder Toxicity in Postoperative Prostate Bed Irradiation: Dose-Volume Parameters Analysis. Cancers (Basel) 2023; 15:5334. [PMID: 38001594 PMCID: PMC10670737 DOI: 10.3390/cancers15225334] [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: 10/24/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
Although prostate cancer treatment is increasingly effective, its toxicities pose a major concern. The aim of our study was to assess the rate of adverse events (AEs) and the prognostic value of dose-volume histogram (DVH) parameters for the occurrence of treatment toxicity in patients treated with post-prostatectomy prostate bed radiotherapy (RT). The AEs were scored according to the CTCAE v.5.0. The rectum and bladder were contoured according to the RTOG Guidelines. The DVH parameters were assessed using data exported from the ECLIPSE treatment-planning system. Genitourinary (GU) and gastrointestinal (GI) toxicity were analysed using consecutive dose thresholds for the percentage of an organ at risk (OAR) receiving a given dose and the QUANTEC dose constraints. A total of 213 patients were included in the final analysis. Acute grade 2 or higher (≥G2) GU AEs occurred in 18.7% and late in 21.3% of patients. Acute ≥G2 GI toxicity occurred in 11.7% and late ≥G2 in 11.2% of the patients. Five patients experienced grade 4 AEs. The most common adverse effects were diarrhoea, proctitis, cystitis, and dysuria. The most significant predictors of acute ≥G2 GI toxicity were rectum V47 and V46 (p < 0.001 and p < 0.001) and rectum wall V46 (p = 0.001), whereas the most significant predictors of late ≥G2 GI AEs were rectum wall V47 and V48 (p = 0.019 and p = 0.021). None of the bladder or bladder wall parameters was significantly associated with the risk of acute toxicity. The minimum doses to bladder wall (p = 0.004) and bladder (p = 0.005) were the most significant predictors of late ≥G2 GU toxicity. Postoperative radiotherapy is associated with a clinically relevant risk of AEs, which is associated with DVH parameters, and remains even in patients who fulfil commonly accepted dose constraints. Considering the lack of survival benefit of postoperative adjuvant RT, our results support delaying treatment through an early salvage approach to avoid or defer toxicity.
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Affiliation(s)
- Maja Hasterok
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Monika Szołtysik
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Zuzanna Nowicka
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Mazowiecka 15, 92-215 Lodz, Poland;
| | - Bartłomiej Goc
- Radiotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (B.G.); (W.M.); (K.R.)
| | - Donata Gräupner
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Wojciech Majewski
- Radiotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (B.G.); (W.M.); (K.R.)
| | - Konrad Rasławski
- Radiotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (B.G.); (W.M.); (K.R.)
| | - Paweł Rajwa
- Department of Urology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria;
- Department of Urology, Medical University of Silesia, 3-go Maja 13-15, 41-800 Zabrze, Poland
| | - Iwona Jabłońska
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Łukasz Magrowski
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Mikołaj Przydacz
- Department of Urology, Jagiellonian University Medical College, Macieja Jakubowskiego 2, 30-688 Krakow, Poland;
| | - Wojciech Krajewski
- Department of Minimally Invasive and Robotic Urology, Wrocław Medical University, 50-556 Wrocław, Poland;
| | - Oliwia Masri
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
| | - Marcin Miszczyk
- IIIrd Radiotherapy and Chemotherapy Department, Maria Skłodowska-Curie National Research Institute of Oncology, Wybrzeże Armii Krajowej 15, 44-102 Gliwice, Poland; (M.H.); (M.S.); (D.G.); (I.J.); (Ł.M.); (O.M.)
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Wurstbauer K, Kazil M, Meinschad M, Pinter R, De Vries C, Clemens P, Kreuter C, Hernler T, Hitzl W, Cerkl P, Künzler T, De Vries A. Locally advanced NSCLC: a plea for sparing the ipsilateral normal lung-prospective, clinical trial with DART-bid (dose-differentiated accelerated radiation therapy, 1.8 Gy twice daily) by VMAT. Radiat Oncol 2022; 17:120. [PMID: 35799182 PMCID: PMC9264580 DOI: 10.1186/s13014-022-02083-6] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 06/14/2022] [Indexed: 11/10/2022] Open
Abstract
Background In radiation treatment of locally advanced non-small cell lung cancer (LA-NSCLC), ‘margins’ from internal target volumes to planning target volumes in the range of 12 to 23 mm are reported, and avoiding exposure of the contralateral lung is common practice. We investigated prospectively an approach with tight margins (7 mm) and maximal sparing of the ipsilateral normal lung. Mature results for the first endpoint (pneumonitis) and further toxicities are reported. Methods Primary tumors were treated by VMAT with 73.8–90.0 Gy in positive correlation to tumor volumes, nodes with 61.2 Gy, a restricted volume of nodes electively with 45 Gy. Fractional doses of 1.8 Gy bid, interval 8 h. Before radiotherapy, two cycles platin-based chemotherapy were given. 12 patients finished maintenance therapy with Durvalumab. Median follow up time for all patients is 19.4 months, for patients alive 27.0 months (3.4–66.5 months). Results 100 consecutive, unselected patients with LA-NSCLC in stages II through IVA were enrolled (UICC/AJCC, 8th edition). No acute grade 4/5 toxicity occurred. Pneumonitis grade 2 and 3 was observed in 12% and 2% of patients, respectively; lowering the risk of pneumonitis grade ≥ 2 in comparison to the largest study in the literature investigating pneumonitis in LA-NSCLC, is significant (p < 0.0006). Acute esophageal toxicity grade 1, 2 and 3 occurred in 12%, 57% and 3% of patients, respectively. Two patients showed late bronchial stricture/atelectasis grade 2. In two patients with lethal pulmonary haemorrhages a treatment correlation cannot be excluded. Median overall survival for all stage III patients, and for those with ‘RTOG 0617 inclusion criteria’ is 46.6 and 50.0 months, respectively. Conclusions Overall toxicity is low. In comparison to results in the literature, maximal sparing the ipsilateral normal lung lowers the risk for pneumonitis significantly. Trial registration Ethics committee of Vorarlberg, Austria; EK-0.04-105, Registered 04/09/2017—Retrospectively registered. http://www.ethikkommission-vorarlberg.at
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Affiliation(s)
- Karl Wurstbauer
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria.
| | - Margit Kazil
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
| | - Marco Meinschad
- Academic Teaching Hospital, Institute of Medical Physics, Feldkirch, Austria
| | - Raoul Pinter
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
| | - Catharina De Vries
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
| | - Patrick Clemens
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
| | - Christof Kreuter
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
| | - Tamara Hernler
- Department for Pneumology, Academic Teaching Hospital, Hohenems, Austria
| | - Wolfgang Hitzl
- Team Biostatistics and Publication of Clincial Studies, FM&TT, Paracelsus Medical University, Salzburg, Austria
| | - Peter Cerkl
- Department for Pneumology, Academic Teaching Hospital, Hohenems, Austria
| | - Thomas Künzler
- Academic Teaching Hospital, Institute of Medical Physics, Feldkirch, Austria
| | - Alexander De Vries
- Department for Radiation Oncology, Academic Teaching Hospital, Carinagasse 47, 6800, Feldkirch, Austria
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Spatola C, Tocco A, Marletta D, Milazzotto R, Marletta F, Pergolizzi S, Migliore M, Basile A, Privitera G, Acquaviva G. Adenoid cystic carcinoma of trachea: long-term disease control after endoscopic surgery and radiotherapy. Future Oncol 2019; 16:33-39. [PMID: 31793391 DOI: 10.2217/fon-2018-0685] [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] [Indexed: 11/21/2022] Open
Abstract
Aim: Adenoid cystic carcinoma is a rare tumor of head and neck region and its development in the thoracic region is even less frequent. This implies the absence of guidelines for therapeutic management and a consequent case-by-case approach. The role of radiotherapy is not yet clearly defined, but intensity-modulated radiotherapy allows for improved organ-at-risk sparing. Materials & methods: We have collected the cases of four patients treated at our institutions by the means of intensity-modulated radiotherapy, after endoscopic resection. Results & conclusion: Patients treated achieved long-term disease control of about 5 years, with a minimal acute toxicity. Longer follow-up is needed to drain conclusion on the impact of this treatment on overall survival.
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Affiliation(s)
- Corrado Spatola
- UOC Radiodiagnostica e Radioterapia, AOU Policlinico-VE di Catania 95125, Italy
| | - Alessandra Tocco
- UOC Radiodiagnostica e Radioterapia, AOU Policlinico-VE di Catania 95125, Italy
| | - Dario Marletta
- UOC Radioterapia AOOE Cannizzaro di Catania 95100, Italy
| | - Roberto Milazzotto
- UOC Radiodiagnostica e Radioterapia, AOU Policlinico-VE di Catania 95125, Italy
| | | | | | | | - Antonio Basile
- UOC Radiodiagnostica e Radioterapia, AOU Policlinico-VE di Catania 95125, Italy
| | - Giuseppe Privitera
- UOC Radiodiagnostica e Radioterapia, AOU Policlinico-VE di Catania 95125, Italy
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Owosho AA, Thor M, Oh JH, Riaz N, Tsai CJ, Rosenberg H, Varthis S, Yom SHK, Huryn JM, Lee NY, Deasy JO, Estilo CL. The role of parotid gland irradiation in the development of severe hyposalivation (xerostomia) after intensity-modulated radiation therapy for head and neck cancer: Temporal patterns, risk factors, and testing the QUANTEC guidelines. J Craniomaxillofac Surg 2017; 45:595-600. [PMID: 28256385 DOI: 10.1016/j.jcms.2017.01.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 06/22/2016] [Revised: 12/08/2016] [Accepted: 01/24/2017] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND The aims of this study were to investigate temporal patterns and potential risk factors for severe hyposalivation (xerostomia) after intensity-modulated radiotherapy (IMRT) for head and neck cancer (HNC), and to test the two QUANTEC (Quantitative Analysis of Normal Tissue Effects in the Clinic) guidelines. PATIENTS AND METHODS Sixty-three patients treated at the Memorial Sloan Kettering Cancer Center between 2006 and 2015, who had a minimum of three stimulated whole mouth saliva flow measurements (WMSFM) at a median follow-up time of 11 (range: 3-24) months were included. Xerostomia was defined as WMSFM ≤25% compared to relative pre-radiotherapy. Patients were stratified into three follow-up groups: 1: <6 months; 2: 6-11 months; and 3: 12-24 months. Potential risk factors were investigated (Mann-Whitney U test), and relative risks (RRs) assessed for the two QUANTEC guidelines. RESULTS The incidence of xerostomia was 27%, 14% and 17% at follow-up time points 1, 2 and 3, respectively. At <6 months, the mean dose to the contralateral and the ipsilateral parotid glands (Dmeancontra, Dmeanipsi) was higher among patients with xerostomia (Dmeancontra: 25 Gy vs. 15 Gy; Dmeanipsi: 44 Gy vs. 25 Gy). Patients with xerostomia had higher pre-RT WMSFM (3.5 g vs. 2.4 g), and had been treated more frequently with additional chemotherapy (93% vs. 63%; all 4 variables: p < 0.05). At 6-11 months, Dmeancontra among patients with xerostomia was higher compared to patients without (26 Gy vs. 20 Gy). The RR as specified by the one- and two-gland QUANTEC guideline was 2.3 and 1.4 for patients with <6 months follow-up time, and 2.0 and 1.2 for patients with longer follow-up (6-11 + 6-24 months). CONCLUSION Xerostomia following IMRT peaks within six months post-radiotherapy and fades with time. Limiting the mean dose to both parotid glands (ipsilateral <25 Gy, contralateral <25 Gy) and reducing the use of chemotherapy will likely decrease the rate of xerostomia. Both QUANTEC guidelines are effective in preventing xerostomia.
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Affiliation(s)
- Adepitan A Owosho
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Maria Thor
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Jung Hun Oh
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Nadeem Riaz
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - C Jillian Tsai
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Haley Rosenberg
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Spyridon Varthis
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Sae Hee K Yom
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Joseph M Huryn
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Joseph O Deasy
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, NY, New York, USA
| | - Cherry L Estilo
- Department of Surgery, Memorial Sloan Kettering Cancer Center, NY, New York, USA.
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Thor M, Owosho AA, Clark HD, Oh JH, Riaz N, Hovan A, Tsai J, Thomas SD, Yom SHK, Wu JS, Huryn JM, Moiseenko V, Lee NY, Estilo CL, Deasy JO. Internal and external generalizability of temporal dose-response relationships for xerostomia following IMRT for head and neck cancer. Radiother Oncol 2017; 122:200-6. [PMID: 27890427 DOI: 10.1016/j.radonc.2016.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 09/29/2016] [Accepted: 11/03/2016] [Indexed: 01/31/2023]
Abstract
BACKGROUND AND PURPOSE To study internal and external generalizability of temporal dose-response relationships for xerostomia after intensity-modulated radiotherapy (IMRT) for head and neck cancer, and to investigate potential amendments of the QUANTEC guidelines. MATERIAL AND METHODS Objective xerostomia was assessed in 121 patients (nCohort1=55; nCohort2=66) treated to 70Gy@2Gy in 2006-2015. Univariate and multivariate analyses (UVA, MVA with 1000 bootstrap populations) were conducted in Cohort1, and generalizability of the best-performing MVA model was investigated in Cohort2 (performance: AUC, p-values, and Hosmer-Lemeshow p-values (pHL)). Ultimately and for clinical guidance, minimum mean dose thresholds to the contralateral and the ipsilateral parotid glands (Dmeancontra, Dmeanipsi) were estimated from the generated dose-response curves. RESULTS The observed xerostomia rate was 38%/47% (3months) and 19%/23% (11-12months) in Cohort1/Cohort2. Risk of xerostomia at 3months increased for higher Dmeancontra and Dmeanipsi (Cohort1: 0.17·Dmeancontra+0.11·Dmeanipsi-8.13; AUC=0.90±0.05; p=0.0002±0.002; pHL=0.22±0.23; Cohort2: AUC=0.81; p<0.0001; pHL=0.27). The identified minimum Dmeancontra thresholds were lower than in the QUANTEC guidelines (Cohort1/Cohort2: Dmeancontra=12/19Gy; Dmeancontra, Dmeanipsi=16, 25/20, 26Gy). CONCLUSIONS Increased Dmeancontra and Dmeanipsi explain short-term xerostomia following IMRT. Our results also suggest decreasing Dmeancontra to below 20Gy, while keeping Dmeanipsi to around 25Gy. Long-term xerostomia was less frequent, and no dose-response relationship was established for this follow-up time.
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