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Craig T, Tachdjian R, Bernstein J, Anderson J, Nurse C, Watt M, Juethner S, Yu M. LONG-TERM EFFICACY, SAFETY, AND QUALITY OF LIFE WITH LANADELUMAB TREATMENT IN ADOLESCENTS WITH HEREDITARY ANGIOEDEMA. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.585] [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: 11/11/2022]
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Bernstein J, Anderson J, Manning M, Tachdjian R, Bajcic P, Rodino F, Wang S, Lumry W. PRELIMINARY RETROSPECTIVE ANALYSIS OF PATIENT OUTCOMES ASSOCIATED WITH SUBCUTANEOUS C1INH PROPHYLAXIS FOR HEREDITARY ANGIOEDEMA. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.588] [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: 11/11/2022]
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Banerji A, Bernstein JA, Johnston DT, Lumry WR, Magerl M, Maurer M, Martinez‐Saguer I, Zanichelli A, Hao J, Inhaber N, Yu M, Riedl MA, Hébert J, Ritchie B, Sussman G, Yang W, Aygören‐Pürsün E, Magerl M, Martinez‐Saguer I, Staubach P, Cicardi M, Shennak M, Zaragoza‐Urdaz R, Kiani‐Alikhan S, Anderson J, Banerji A, Baptist A, Bernstein J, Busse P, Craig T, Davis‐Lorton M, Gierer S, Gower R, Harris D, Jacobs J, Johnston D, Li H, Lockey R, Lugar P, Lumry W, Manning M, McNeil D, Melamed I, Otto W, Rehman S, Riedl M, Schwartz L, Shapiro R, Sher E, Smith A, Soteres D, Tachdjian R, Wedner H, Weinstein M, Zafra H. Long-term prevention of hereditary angioedema attacks with lanadelumab: The HELP OLE Study. Allergy 2022; 77:979-990. [PMID: 34287942 PMCID: PMC9292251 DOI: 10.1111/all.15011] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [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: 03/22/2021] [Revised: 06/06/2021] [Accepted: 06/28/2021] [Indexed: 02/06/2023]
Abstract
Background The aim was to evaluate long‐term effectiveness and safety of lanadelumab in patients ≥12 y old with hereditary angioedema (HAE) 1/2 (NCT02741596). Methods Rollover patients completing the HELP Study and continuing into HELP OLE received one lanadelumab 300 mg dose until first attack (dose‐and‐wait period), then 300 mg q2wks (regular dosing stage). Nonrollovers (newly enrolled) received lanadelumab 300 mg q2wks from day 0. Baseline attack rate for rollovers: ≥1 attack/4 weeks (based on run‐in period attack rate during HELP Study); for nonrollovers: historical attack rate ≥1 attack/12 weeks. The planned treatment period was 33 months. Results 212 patients participated (109 rollovers, 103 nonrollovers); 81.6% completed ≥30 months on study (mean [SD], 29.6 [8.2] months). Lanadelumab markedly reduced mean HAE attack rate (reduction vs baseline: 87.4% overall). Patients were attack free for a mean of 97.7% of days during treatment; 81.8% and 68.9% of patients were attack free for ≥6 and ≥12 months, respectively. Angioedema Quality‐of‐Life total and domain scores improved from day 0 to end of study. Treatment‐emergent adverse events (TEAEs) (excluding HAE attacks) were reported by 97.2% of patients; most commonly injection site pain (47.2%) and viral upper respiratory tract infection (42.0%). Treatment‐related TEAEs were reported by 54.7% of patients. Most injection site reactions resolved within 1 hour (70.2%) or 1 day (92.6%). Six (2.8%) patients discontinued due to TEAEs. No treatment‐related serious TEAEs or deaths were reported. Eleven treatment‐related TEAEs of special interest were reported by seven (3.3%) patients. Conclusion Lanadelumab demonstrated sustained efficacy and acceptable tolerability with long‐term use in HAE patients.
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Affiliation(s)
- Aleena Banerji
- Division of Rheumatology, Allergy and Immunology Department of Medicine Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA
| | - Jonathan A. Bernstein
- Division of Immunology/Allergy Section Department of Internal Medicine University of Cincinnati, and Bernstein Clinical Research Center Cincinnati Ohio USA
| | | | | | - Markus Magerl
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité–Universitätsmedizin Berlin Berlin Germany
| | - Marcus Maurer
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité–Universitätsmedizin Berlin Berlin Germany
| | | | - Andrea Zanichelli
- Department of Internal Medicine ASST Fatebenefratelli Sacco, Ospedale Luigi Sacco‐University of Milan Milan Italy
| | - James Hao
- Takeda Development Center Americas, Inc. Lexington Massachusetts USA
| | - Neil Inhaber
- Takeda Development Center Americas, Inc. Lexington Massachusetts USA
| | - Ming Yu
- Takeda Development Center Americas, Inc. Lexington Massachusetts USA
| | - Marc A. Riedl
- Division of Rheumatology, Allergy and Immunology University of California San Diego La Jolla California USA
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Kohn L, Batamack Y, Garcia-Lloret M, Tachdjian R. M106 CHOLINERGIC URTICARIA AND PULMONARY EMBOLISM ASSOCIATED WITH NOVEL VARIATION IN HRG. Ann Allergy Asthma Immunol 2021. [DOI: 10.1016/j.anai.2021.08.260] [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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Lumry WR, Weller K, Magerl M, Banerji A, Longhurst HJ, Riedl MA, Lewis HB, Lu P, Devercelli G, Jain G, Maurer M, Hébert J, Ritchie B, Sussman G, Yang WH, Martinez‐Saguer I, Staubach P, Cicardi M, Shennak M, Zaragoza‐Urdaz RH, Anderson J, Baptist AP, Bernstein JA, Boggs PB, Busse PJ, Craig T, Davis‐Lorton M, Gierer S, Gower RG, Harris D, Hong DI, Jacobs J, Johnston DT, Li HH, Lockey RF, Lugar P, Manning ME, McNeil DL, Melamed I, Mostofi T, Nickel T, Otto WR, Petrov AA, Radojicic C, Rehman SM, Schwartz LB, Shapiro R, Sher E, Smith AM, Soteres D, Tachdjian R, Wedner HJ, Weinstein ME, Zafra H. Impact of lanadelumab on health-related quality of life in patients with hereditary angioedema in the HELP study. Allergy 2021; 76:1188-1198. [PMID: 33258114 PMCID: PMC8247292 DOI: 10.1111/all.14680] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [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: 06/22/2020] [Revised: 11/01/2020] [Accepted: 11/14/2020] [Indexed: 01/20/2023]
Abstract
Background An objective of the phase 3 HELP Study was to investigate the effect of lanadelumab on health‐related quality of life (HRQoL) in patients with hereditary angioedema (HAE). Methods Patients with HAE‐1/2 received either lanadelumab 150 mg every 4 weeks (q4wks; n = 28), 300 mg q4wks (n = 29), 300 mg every 2 weeks (q2wks; n = 27), or placebo (n = 41) for 26 weeks (days 0–182). The Angioedema Quality of Life Questionnaire (AE‐QoL) was administered monthly, consisting of four domain (functioning, fatigue/mood, fears/shame, nutrition) and total scores. The generic EQ‐5D‐5L questionnaire was administered on days 0, 98, and 182. Comparisons were made between placebo and (a) all lanadelumab‐treated patients and (b) individual lanadelumab groups for changes in scores (day 0–182) and proportions achieving the minimal clinically important difference (MCID, −6) in AE‐QoL total score. Results Compared with the placebo group, the lanadelumab total group demonstrated significantly greater improvements in AE‐QoL total and domain scores (mean change, −13.0 to −29.3; p < 0.05 for all); the largest improvement was in functioning. A significantly greater proportion of the lanadelumab total group achieved the MCID (70% vs 37%; p = 0.001). The lanadelumab 300 mg q2wks group had the highest proportion (81%; p = 0.001) and was 7.2 times more likely to achieve the MCID than the placebo group. Mean EQ‐5D‐5L scores at day 0 were high in all groups, indicating low impairment, with no significant changes at day 182. Conclusion Patients with HAE‐1/2 experienced significant and clinically meaningful improvements in HRQoL measured by AE‐QoL following lanadelumab treatment in the HELP Study.
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Affiliation(s)
- William R. Lumry
- Allergy Asthma Research Associates Research Center Dallas TX USA
| | - Karsten Weller
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Markus Magerl
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Aleena Banerji
- Division of Rheumatology, Allergy and Immunology Massachusetts General HospitalHarvard Medical School Boston MA USA
| | - Hilary J. Longhurst
- Addenbrooke’s Hospital Cambridge University Hospitals NHS Foundation TrustCambridge, and University College London Hospitals London UK
| | - Marc A. Riedl
- Division of Rheumatology Allergy & Immunology University of California San Diego La Jolla CA USA
| | | | - Peng Lu
- Takeda Pharmaceutical Company Limited Lexington MA USA
| | | | - Gagan Jain
- Takeda Pharmaceutical Company Limited Lexington MA USA
| | - Marcus Maurer
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
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Riedl MA, Maurer M, Bernstein JA, Banerji A, Longhurst HJ, Li HH, Lu P, Hao J, Juethner S, Lumry WR, Hébert J, Ritchie B, Sussman G, Yang WH, Escuriola Ettingshausen C, Magerl M, Martinez‐Saguer I, Maurer M, Staubach P, Zimmer S, Cicardi M, Perego F, Wu MA, Zanichelli A, Al‐Ghazawi A, Shennak M, Zaragoza‐Urdaz RH, Ghurye R, Longhurst HJ, Zinser E, Anderson J, Banerji A, Baptist AP, Bernstein JA, Boggs PB, Busse PJ, Christiansen S, Craig T, Davis‐Lorton M, Gierer S, Gower RG, Harris D, Hong DI, Jacobs J, Johnston DT, Levitch ES, Li HH, Lockey RF, Lugar P, Lumry WR, Manning ME, McNeil DL, Melamed I, Mostofi T, Nickel T, Otto WR, Petrov AA, Poarch K, Radojicic C, Rehman SM, Riedl MA, Schwartz LB, Shapiro R, Sher E, Smith AM, Smith TD, Soteres D, Tachdjian R, Wedner HJ, Weinstein ME, Zafra H, Zuraw BL. Lanadelumab demonstrates rapid and sustained prevention of hereditary angioedema attacks. Allergy 2020; 75:2879-2887. [PMID: 32452549 PMCID: PMC7689768 DOI: 10.1111/all.14416] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [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: 12/17/2019] [Revised: 04/15/2020] [Accepted: 04/20/2020] [Indexed: 02/06/2023]
Abstract
Background Lanadelumab demonstrated efficacy in preventing hereditary angioedema (HAE) attacks in the phase 3 HELP Study. Objective To assess time to onset of effect and long‐term efficacy of lanadelumab, based on exploratory findings from the HELP Study. Methods Eligible patients with HAE type I/II received lanadelumab 150 mg every 4 weeks (q4wks), 300 mg q4wks, 300 mg q2wks, or placebo. Ad hoc analyses evaluated day 0‐69 findings using a Poisson regression model accounting for overdispersion. Least‐squares mean monthly HAE attack rate for lanadelumab was compared with placebo. Intrapatient comparisons for days 0‐69 versus steady state (days 70‐182) used a paired t test for continuous endpoints or Kappa statistics for categorical endpoints. Results One hundred twenty‐five patients were randomized and treated. During days 0‐69, mean monthly attack rate was significantly lower with lanadelumab (0.41‐0.76) vs placebo (2.04), including attacks requiring acute treatment (0.33‐0.61 vs 1.66) and moderate/severe attacks (0.31‐0.48 vs 1.33, all P ≤ .001). More patients receiving lanadelumab vs placebo were attack free (37.9%‐48.1% vs 7.3%) and responders (85.7%‐100% vs 26.8%). During steady state, the efficacy of lanadelumab vs placebo was similar or improved vs days 0‐69. Intrapatient differences were significant with lanadelumab 300 mg q4wks for select outcomes. Lanadelumab efficacy was durable—HAE attack rate was consistently lower vs placebo, from the first 2 weeks of treatment through study end. Treatment emergent adverse events were comparable during days 0‐69 and 70‐182. Conclusion Protection with lanadelumab started from the first dose and continued throughout the entire study period.
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Affiliation(s)
- Marc A. Riedl
- Division of Rheumatology, Allergy and Immunology University of California, San Diego San Diego CA USA
| | - Marcus Maurer
- Dermatological Allergology Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité – Universitätsmedizin Berlin Berlin Germany
| | - Jonathan A. Bernstein
- Division of Immunology/Allergy Section Department of Internal Medicine University of Cincinnati Cincinnati OH USA
- Bernstein Clinical Research Center Cincinnati OH USA
| | - Aleena Banerji
- Division of Rheumatology, Allergy and Immunology Department of Medicine Massachusetts General Hospital Harvard Medical School Boston MA USA
| | - Hilary J. Longhurst
- Addenbrooke's Hospital Cambridge University Hospitals NHS Foundation Trust, Cambridge and University College London Hospitals London UK
| | - H. Henry Li
- Institute for Asthma and Allergy, P.C. Chevy Chase MD USA
| | - Peng Lu
- Shire, a Takeda company Lexington MA USA
| | - James Hao
- Shire, a Takeda company Lexington MA USA
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Brown S, Danelyan H, Chepuru R, Khoylyan A, Jew K, Tachdjian R. M282 HYPEREOSINOPHILIC SYNDROME VS. EOSINOPHILIC GRANULOMATOSIS WITH POLYANGIITIS: THE SYMPTOMATIC DILEMMA. Ann Allergy Asthma Immunol 2020. [DOI: 10.1016/j.anai.2020.08.310] [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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Riedl M, Cicardi M, Hao J, Lu P, Li H, Manning M, Bernstein J, Busse P, Tachdjian R, Gower R, Wedner H. P159 LONG-TERM EFFICACY OF LANADELUMAB: INTERIM RESULTS FROM THE HELP OPEN-LABEL EXTENSION STUDY. Ann Allergy Asthma Immunol 2019. [DOI: 10.1016/j.anai.2019.08.263] [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: 10/25/2022]
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Zanichelli A, Staevska M, Jesenak M, Hrubiskova K, Sobotkova M, Zachova R, Hakl R, Andrejevic S, Suiter T, Grivcheva-Panovska V, Karadza-Lapic L, Soteres D, Shapiro R, Rumbyrt J, Tachdjian R, Mehta V, Hsu F, Valerieva A. RECOMBINANT C1 ESTERASE INHIBITOR FOR SHORT-TERM PROPHYLAXIS IN PATIENTS WITH HEREDITARY ANGIOEDEMA. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.115] [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: 11/26/2022]
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Tachdjian R, Anderson J, Busse P, Johnston D, Kiani S, Nurse C, Paes K. LANADELUMAB EFFICACY AFTER SWITCHING FROM PLACEBO: RESULTS FROM THE HELP AND HELP OPEN-LABEL EXTENSION STUDIES. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rubinstein A, Bridges T, McNeil D, Tachdjian R, Wedner H, Wasserman R, Leibl H, Rabbat C, Honigberg R, Yel L. P279 Post-authorization safety study of hyaluronidase-facilitated subcutaneous immunoglobulin 10% treatment in patients with primary immunodeficiency diseases. Ann Allergy Asthma Immunol 2017. [DOI: 10.1016/j.anai.2017.08.195] [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: 11/28/2022]
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Young G, Tachdjian R, Baumann K, Panopoulos G. Comprehensive management of chronic pain in haemophilia. Haemophilia 2013; 20:e113-20. [DOI: 10.1111/hae.12349] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2013] [Indexed: 12/13/2022]
Affiliation(s)
- G. Young
- Hemostasis and Thrombosis Center; Children's Hospital Los Angeles; Keck School of Medicine; University of Southern California; Los Angeles CA USA
| | - R. Tachdjian
- Division of Clinical Immunology and Allergy; David Geffen School of Medicine at UCLA; Los Angeles CA USA
| | - K. Baumann
- Center for Bleeding and Clotting Disorders; University of Minnesota; Fairview Medical Center; Minneapolis MN USA
| | - G. Panopoulos
- Fairview Pain Management Center; University of Minnesota; Minneapolis MN USA
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Escobar M, Maahs J, Hellman E, Donkin J, Forsyth A, Hroma N, Young G, Valentino LA, Tachdjian R, Cooper DL, Shapiro AD. Multidisciplinary management of patients with haemophilia with inhibitors undergoing surgery in the United States: perspectives and best practices derived from experienced treatment centres. Haemophilia 2012; 18:971-81. [DOI: 10.1111/j.1365-2516.2012.02894.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2012] [Indexed: 11/28/2022]
Affiliation(s)
- M. Escobar
- Gulf States Hemophilia and Thrombophilia Center; Houston; TX; USA
| | - J. Maahs
- Indiana Hemophilia & Thrombosis Center; Indianapolis; IN; USA
| | - E. Hellman
- OrthoIndy Bone, Joint, Spine & Muscle Care; Indiana Orthopedic Hospital; Indianapolis; IN; USA
| | - J. Donkin
- Children's Hospital Los Angeles; USC Keck School of Medicine; Los Angeles; CA; USA
| | - A. Forsyth
- Penn Hemophilia and Thrombosis Program; Philadelphia; PA; USA
| | - N. Hroma
- Children's Memorial Hospital; Chicago; IL; USA
| | - G. Young
- Children's Hospital Los Angeles; USC Keck School of Medicine; Los Angeles; CA; USA
| | | | - R. Tachdjian
- David Geffen UCLA School of Medicine; Los Angeles; CA; USA
| | | | - A. D. Shapiro
- Indiana Hemophilia & Thrombosis Center; Indianapolis; IN; USA
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Land M, Tachdjian R, Lin E, Riedl M, Roberts R. Absent B-cells and Decreased T-cells in a Family With Hypogammaglobulinemia: A Unique Form of Combined Immune Deficiency? J Allergy Clin Immunol 2007. [DOI: 10.1016/j.jaci.2006.12.355] [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: 11/24/2022]
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Tachdjian R, Truong N, Chatila T. Interleukin-4 Receptor Alpha Chain ITIM Motif Mutant Mice Potentiate Stat6 Activation and IgE Production. J Allergy Clin Immunol 2007. [DOI: 10.1016/j.jaci.2006.12.499] [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: 10/23/2022]
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Tachdjian R, Roberts R. Chronic Granulomatous Disease Presenting with CD4 Lymphopenia. J Allergy Clin Immunol 2006. [DOI: 10.1016/j.jaci.2005.12.691] [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: 11/28/2022]
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Vincent JM, Cherry JD, Nauschuetz WF, Lipton A, Ono CM, Costello CN, Sakaguchi LK, Hsue G, Jackson LA, Tachdjian R, Cotter PA, Gornbein JA. Prolonged afebrile nonproductive cough illnesses in American soldiers in Korea: a serological search for causation. Clin Infect Dis 2000; 30:534-9. [PMID: 10722440 DOI: 10.1086/313707] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A serological study was undertaken to investigate infections in active-duty United States soldiers with illnesses characterized by prolonged, afebrile, nonproductive coughs. Fifty-four soldiers were enrolled with such illness of >/=2 weeks' duration (case patients) along with 55 well soldiers (control subjects). Serum samples were tested for IgG and IgA antibody to 3 Bordetella pertussis antigens, pertussis agglutinins, IgM antibodies to Mycoplasma pneumoniae, IgM and IgG antibodies to Chlamydia pneumoniae, and IgM antibody to adenoviruses. Forty-six case patients (85%) had evidence of recent infection with Bordetella species, M. pneumoniae, or C. pneumoniae, and many had evidence of mixed infections; there were 27 Bordetella species, 20 C. pneumoniae, and 33 M. pneumoniae recent infections. Fifteen case patients had high titers of IgG or IgA to B. pertussis filamentous hemagglutinin without high titers of antibodies to other B. pertussis antigens, which suggested the presence of cross-reacting antibodies to M. pneumoniae and perhaps C. pneumoniae or unidentified infectious agent or agents. Since illnesses due to Bordetella species, M. pneumoniae, and C. pneumoniae can all be treated with macrolide antibiotics and B. pertussis illness can be prevented by immunization, and since military readiness was affected in 63% of the cases, it seems important to conduct further studies in military populations.
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Affiliation(s)
- J M Vincent
- Departments of Pediatrics, Tripler Army Medical Center, Honolulu, HI 96859-5000, USA. judy.vincent@.amedd.army.mil
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Brennan M, Strebel P, George H, Yih WK, Tachdjian R, Lett SM, Cassiday P, Sanden G, Wharton M. Evidence for transmission of pertussis in schools, Massachusetts, 1996: epidemiologic data supported by pulsed-field gel electrophoresis studies. J Infect Dis 2000; 181:210-5. [PMID: 10608769 DOI: 10.1086/315192] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
In 1996, 18 of 20 pertussis outbreaks reported in Massachusetts occurred in schools. Pertussis surveillance data were reviewed and a retrospective cohort study was conducted in a high school that experienced an outbreak. Bordetella pertussis isolates from 9 school cases and from 58 cases statewide were examined by use of pulsed-field gel electrophoresis (PFGE). Statewide incidence rates were highest among children aged <1 year, 10-14 years, and 15-19 years (106, 117, and 104 cases per 100,000, respectively). Among 34 confirmed and 20 probable cases at the school, 61% had cough onset within 8 weeks of school opening. Five different PFGE types were identified among the 58 B. pertussis isolates from throughout the state. All 9 isolates from the affected high school were the same PFGE type. School-aged children may play an important role in pertussis epidemics. Consideration should be given to use of acellular pertussis vaccines among school-aged children.
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Affiliation(s)
- M Brennan
- Child Vaccine Preventable Diseases Branch, Epidemiology and Surveillance Division, National Immunization Program, Atlanta, Georgia, USA
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Güriş D, Strebel PM, Bardenheier B, Brennan M, Tachdjian R, Finch E, Wharton M, Livengood JR. Changing epidemiology of pertussis in the United States: increasing reported incidence among adolescents and adults, 1990-1996. Clin Infect Dis 1999; 28:1230-7. [PMID: 10451158 DOI: 10.1086/514776] [Citation(s) in RCA: 293] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Since 1990, the reported incidence of pertussis has increased in the United States with peaks occurring every 3-4 years. On the basis of analysis of pertussis cases reported to the Centers for Disease Control and Prevention, the incidence remained stable among children aged younger than 5 years, most of whom were protected by vaccination. In contrast to 1990-1993, during 1994-1996, the average incidence among persons aged 5-9 years, 10-19 years, and 20 years or older increased 40%, 106%, and 93%, respectively. Since 1990, 14 states reported pertussis incidences of > or =2 cases per 100,000 population during at least 4 years between 1990 and 1996; seven of these states also reported that a high proportion of cases occurred in persons aged 10 years or older. Analysis of national data on pertussis did not provide sufficient information to fully elucidate the relative importance of multiple possible explanations for the increase in the incidence of pertussis in adolescents and adults. Improvement in diagnosis and reporting of pertussis in this age group, particularly in some states, is an important factor contributing to the overall increase.
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Affiliation(s)
- D Güriş
- National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
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Guris D, Strebel PM, Tachdjian R, Bardenheier B, Wharton M, Hadler SC. Effectiveness of the pertussis vaccination program as determined by use of the screening method: United States, 1992-1994. J Infect Dis 1997; 176:456-63. [PMID: 9237712 DOI: 10.1086/514064] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The screening method was used to evaluate the effectiveness of the pertussis vaccination program in the United States during 1992-1994. The formula VE = 1 - [PCV/(1 - PCV)][(1 - PPV)/PPV] was used (VE = vaccine effectiveness; PCV = proportion of cases vaccinated; PPV = proportion of population vaccinated). Data from the national Supplementary Pertussis Surveillance System and the National Health Interview Survey were used to determine PCV and PPV, respectively. Among children aged 7-18 months, VE for 3 doses of pertussis vaccine was 79% (95% confidence interval, 74%-83%) for preventing culture-confirmed pertussis. Between the ages of 19 and 47 months, VE for > or = 4 doses was 90% (95% confidence interval, 88%-92%). VE estimates appeared lower in epidemic (1993) than non-epidemic years (1992, 1994). VE estimates determined using the screening method were consistent with the previous estimates from the United States. This method will continue to be useful for assessing the effectiveness of the pertussis vaccination program in the United States, where acellular pertussis vaccines are recommended for infants.
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Affiliation(s)
- D Guris
- National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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