1.Asia-Pacific consensus statement on medication-related osteonecrosis of the jaw in patients with osteoporosis
Akira TAGUCHI ; Daisuke INOUE ; Jin-Woo KIM ; Keskanya KESKANYA ; Wai Sin CHAN ; Hee Dong CHAE ; Chung-Hwan CHEN ; Ching-Lung CHEUNG ; Eddie Siu Lun CHOW ; Yoon-Sok CHUNG ; Linsey GANI ; Muhammad Kamil BIN HASSAN ; Unnop JAISAMRARN ; Chakorn VORAKULPIPAT ; Nutchada SRIYARANYA ; Aasis UNNANUNTANA ; Tanawat AMPHANSAP ; Seng Bin ANG ; Fen Lee HEW ; Julie LI-YU ; Terence Ong Ing WEI ; Jeyakantha JEYAKANTHA ; Mark Anthony SANDOVAL ; Thawee SONGPATANASILP ; Monica Therese CATING-CABRAL ; Thanut VALLEENUKUL ; Lalita WATTANACHANYA ; Chih-Hsing CHIH-HSING ; Weibo XIA ; Jawl-Shan HWANG ; Hiroshi HAGINO ; Natthinee CHARATCHAROENWITTHAYA
Osteoporosis and Sarcopenia 2026;12(1):1-17
A unified consensus statement on medication-related osteonecrosis of the jaw (MRONJ) has not yet been established among the Asian member countries or regions of the Asian Federation of Osteoporosis Societies (AFOS). This study aimed to develop a consensus on MRONJ in patients with osteoporosis across these countries and regions. In this study, the term “Asia-Pacific” refers specifically to the Asian member countries and regions of AFOS. A structured survey consisting of nine MRONJ-related questions was distributed across 10 countries and regions to assess the level of agreement and summarize regional perspectives. In addition, a manual literature review and voting were conducted to evaluate the current evidence on MRONJ. The key aspects of MRONJ, including definition, staging, diagnosis, pathogenesis, risk factors, management, and prevention, were generally consistent among the AFOS countries and regions. The annual incidence and incidence rate of MRONJ associated with low-dose antiresorptive therapy in patients with osteoporosis ranged from 0.025% to 0.136% and 21 to 283 cases per 100,000 person-years, respectively. However, evidence regarding the benefits of drug discontinuation before dental surgery, such as tooth extraction, remains insufficient. Large-scale, multinational studies across AFOS countries and regions are warranted to determine the incidence of MRONJ better and evaluate the impact of antiresorptive drug discontinuation before dental procedures. These findings may contribute to the devel opment of effective evidence-based strategies for preventing MRONJ in patients with osteoporosis.
2.International Severe Asthma Registry (ISAR): 2017–2024 Status and Progress Update
Désirée LARENAS-LINNEMANN ; Chin Kook RHEE ; Alan ALTRAJA ; John BUSBY ; Trung N. TRAN ; Eileen WANG ; Todor A. POPOV ; Patrick D. MITCHELL ; Paul E. PFEFFER ; Roy Alton PLEASANTS ; Rohit KATIAL ; Mariko Siyue KOH ; Arnaud BOURDIN ; Florence SCHLEICH ; Jorge MÁSPERO ; Mark HEW ; Matthew J. PETERS ; David J. JACKSON ; George C. CHRISTOFF ; Luis PEREZ-DE-LLANO ; Ivan CHERREZ- OJEDA ; João A. FONSECA ; Richard W. COSTELLO ; Carlos A. TORRES-DUQUE ; Piotr KUNA ; Andrew N. MENZIES-GOW ; Neda STJEPANOVIC ; Peter G. GIBSON ; Paulo Márcio PITREZ ; Celine BERGERON ; Celeste M. PORSBJERG ; Camille TAILLÉ ; Christian TAUBE ; Nikolaos G. PAPADOPOULOS ; Andriana I. PAPAIOANNOU ; Sundeep SALVI ; Giorgio Walter CANONICA ; Enrico HEFFLER ; Takashi IWANAGA ; Mona S. AL-AHMAD ; Sverre LEHMANN ; Riyad AL-LEHEBI ; Borja G. COSIO ; Diahn-Warng PERNG ; Bassam MAHBOUB ; Liam G. HEANEY ; Pujan H. PATEL ; Njira LUGOGO ; Michael E. WECHSLER ; Lakmini BULATHSINHALA ; Victoria CARTER ; Kirsty FLETTON ; David L. NEIL ; Ghislaine SCELO ; David B. PRICE
Tuberculosis and Respiratory Diseases 2025;88(2):193-215
The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.
3.International Severe Asthma Registry (ISAR): 2017–2024 Status and Progress Update
Désirée LARENAS-LINNEMANN ; Chin Kook RHEE ; Alan ALTRAJA ; John BUSBY ; Trung N. TRAN ; Eileen WANG ; Todor A. POPOV ; Patrick D. MITCHELL ; Paul E. PFEFFER ; Roy Alton PLEASANTS ; Rohit KATIAL ; Mariko Siyue KOH ; Arnaud BOURDIN ; Florence SCHLEICH ; Jorge MÁSPERO ; Mark HEW ; Matthew J. PETERS ; David J. JACKSON ; George C. CHRISTOFF ; Luis PEREZ-DE-LLANO ; Ivan CHERREZ- OJEDA ; João A. FONSECA ; Richard W. COSTELLO ; Carlos A. TORRES-DUQUE ; Piotr KUNA ; Andrew N. MENZIES-GOW ; Neda STJEPANOVIC ; Peter G. GIBSON ; Paulo Márcio PITREZ ; Celine BERGERON ; Celeste M. PORSBJERG ; Camille TAILLÉ ; Christian TAUBE ; Nikolaos G. PAPADOPOULOS ; Andriana I. PAPAIOANNOU ; Sundeep SALVI ; Giorgio Walter CANONICA ; Enrico HEFFLER ; Takashi IWANAGA ; Mona S. AL-AHMAD ; Sverre LEHMANN ; Riyad AL-LEHEBI ; Borja G. COSIO ; Diahn-Warng PERNG ; Bassam MAHBOUB ; Liam G. HEANEY ; Pujan H. PATEL ; Njira LUGOGO ; Michael E. WECHSLER ; Lakmini BULATHSINHALA ; Victoria CARTER ; Kirsty FLETTON ; David L. NEIL ; Ghislaine SCELO ; David B. PRICE
Tuberculosis and Respiratory Diseases 2025;88(2):193-215
The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.
4.International Severe Asthma Registry (ISAR): 2017–2024 Status and Progress Update
Désirée LARENAS-LINNEMANN ; Chin Kook RHEE ; Alan ALTRAJA ; John BUSBY ; Trung N. TRAN ; Eileen WANG ; Todor A. POPOV ; Patrick D. MITCHELL ; Paul E. PFEFFER ; Roy Alton PLEASANTS ; Rohit KATIAL ; Mariko Siyue KOH ; Arnaud BOURDIN ; Florence SCHLEICH ; Jorge MÁSPERO ; Mark HEW ; Matthew J. PETERS ; David J. JACKSON ; George C. CHRISTOFF ; Luis PEREZ-DE-LLANO ; Ivan CHERREZ- OJEDA ; João A. FONSECA ; Richard W. COSTELLO ; Carlos A. TORRES-DUQUE ; Piotr KUNA ; Andrew N. MENZIES-GOW ; Neda STJEPANOVIC ; Peter G. GIBSON ; Paulo Márcio PITREZ ; Celine BERGERON ; Celeste M. PORSBJERG ; Camille TAILLÉ ; Christian TAUBE ; Nikolaos G. PAPADOPOULOS ; Andriana I. PAPAIOANNOU ; Sundeep SALVI ; Giorgio Walter CANONICA ; Enrico HEFFLER ; Takashi IWANAGA ; Mona S. AL-AHMAD ; Sverre LEHMANN ; Riyad AL-LEHEBI ; Borja G. COSIO ; Diahn-Warng PERNG ; Bassam MAHBOUB ; Liam G. HEANEY ; Pujan H. PATEL ; Njira LUGOGO ; Michael E. WECHSLER ; Lakmini BULATHSINHALA ; Victoria CARTER ; Kirsty FLETTON ; David L. NEIL ; Ghislaine SCELO ; David B. PRICE
Tuberculosis and Respiratory Diseases 2025;88(2):193-215
The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.
5.International Severe Asthma Registry (ISAR): 2017–2024 Status and Progress Update
Désirée LARENAS-LINNEMANN ; Chin Kook RHEE ; Alan ALTRAJA ; John BUSBY ; Trung N. TRAN ; Eileen WANG ; Todor A. POPOV ; Patrick D. MITCHELL ; Paul E. PFEFFER ; Roy Alton PLEASANTS ; Rohit KATIAL ; Mariko Siyue KOH ; Arnaud BOURDIN ; Florence SCHLEICH ; Jorge MÁSPERO ; Mark HEW ; Matthew J. PETERS ; David J. JACKSON ; George C. CHRISTOFF ; Luis PEREZ-DE-LLANO ; Ivan CHERREZ- OJEDA ; João A. FONSECA ; Richard W. COSTELLO ; Carlos A. TORRES-DUQUE ; Piotr KUNA ; Andrew N. MENZIES-GOW ; Neda STJEPANOVIC ; Peter G. GIBSON ; Paulo Márcio PITREZ ; Celine BERGERON ; Celeste M. PORSBJERG ; Camille TAILLÉ ; Christian TAUBE ; Nikolaos G. PAPADOPOULOS ; Andriana I. PAPAIOANNOU ; Sundeep SALVI ; Giorgio Walter CANONICA ; Enrico HEFFLER ; Takashi IWANAGA ; Mona S. AL-AHMAD ; Sverre LEHMANN ; Riyad AL-LEHEBI ; Borja G. COSIO ; Diahn-Warng PERNG ; Bassam MAHBOUB ; Liam G. HEANEY ; Pujan H. PATEL ; Njira LUGOGO ; Michael E. WECHSLER ; Lakmini BULATHSINHALA ; Victoria CARTER ; Kirsty FLETTON ; David L. NEIL ; Ghislaine SCELO ; David B. PRICE
Tuberculosis and Respiratory Diseases 2025;88(2):193-215
The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.
6.International Severe Asthma Registry (ISAR): 2017–2024 Status and Progress Update
Désirée LARENAS-LINNEMANN ; Chin Kook RHEE ; Alan ALTRAJA ; John BUSBY ; Trung N. TRAN ; Eileen WANG ; Todor A. POPOV ; Patrick D. MITCHELL ; Paul E. PFEFFER ; Roy Alton PLEASANTS ; Rohit KATIAL ; Mariko Siyue KOH ; Arnaud BOURDIN ; Florence SCHLEICH ; Jorge MÁSPERO ; Mark HEW ; Matthew J. PETERS ; David J. JACKSON ; George C. CHRISTOFF ; Luis PEREZ-DE-LLANO ; Ivan CHERREZ- OJEDA ; João A. FONSECA ; Richard W. COSTELLO ; Carlos A. TORRES-DUQUE ; Piotr KUNA ; Andrew N. MENZIES-GOW ; Neda STJEPANOVIC ; Peter G. GIBSON ; Paulo Márcio PITREZ ; Celine BERGERON ; Celeste M. PORSBJERG ; Camille TAILLÉ ; Christian TAUBE ; Nikolaos G. PAPADOPOULOS ; Andriana I. PAPAIOANNOU ; Sundeep SALVI ; Giorgio Walter CANONICA ; Enrico HEFFLER ; Takashi IWANAGA ; Mona S. AL-AHMAD ; Sverre LEHMANN ; Riyad AL-LEHEBI ; Borja G. COSIO ; Diahn-Warng PERNG ; Bassam MAHBOUB ; Liam G. HEANEY ; Pujan H. PATEL ; Njira LUGOGO ; Michael E. WECHSLER ; Lakmini BULATHSINHALA ; Victoria CARTER ; Kirsty FLETTON ; David L. NEIL ; Ghislaine SCELO ; David B. PRICE
Tuberculosis and Respiratory Diseases 2025;88(2):193-215
The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.
7.Continued loss of asthma control following epidemic thunderstorm asthma
Chuan T FOO ; Ellen LY YEE ; Alan YOUNG ; Eve DENTON ; Mark HEW ; Robyn E O'HEHIR ; Naghmeh RADHAKRISHNA ; Sarah MATTHEWS ; Matthew CONRON ; Nur Shirin HARUN ; Philippe LACHAPELLE ; Jo Anne DOUGLASS ; Louis IRVING ; Joy LEE ; Wendy STEVENSON ; Christine F MCDONALD ; David LANGTON ; Ceri BANKS ; Francis THIEN
Asia Pacific Allergy 2019;9(4):e35-
BACKGROUND: Epidemic thunderstorm asthma (ETSA) severely affected Melbourne, Australia in November 2016. There is scant literature on the natural history of individuals affected by ETSA. OBJECTIVE: A multicentre 12-month prospective observational study was conducted assessing symptomatology and behaviors of ETSA-affected individuals. METHODS: We used a structured phone questionnaire to assess asthma symptom frequency, inhaled preventer use, asthma action plan ownership and healthcare utilization over 12 months since the ETSA. Analysis of results included subgroup analyses of the “current,” “past,” “probable,“ and “no asthma” subgroups defined according to their original 2016 survey responses. RESULTS: Four hundred forty-two questionnaires were analyzed. Eighty percent of individuals reported ongoing asthma symptoms at follow-up, of which 28% were affected by asthma symptoms at least once a week. Risk of persistent asthma symptoms was significantly higher in those with prior asthma diagnosis, current asthma, and probable undiagnosed asthma (all p < 0.01). Of 442 respondents, 53% were prescribed inhaled preventers, of which 51% were adherent at least 5 days a week. Forty-two percent had a written asthma action plan and 16% had sought urgent medical attention for asthma in the preceding year. CONCLUSIONS: Following an episode of ETSA, patients experience a pivotal change in asthma trajectory with both loss of asthma control and persistence of de novo asthma. Suboptimal rates of inhaled preventer adherence and asthma action plan ownership may contribute to asthma exacerbation risk and susceptibility to future ETSA episodes. Longer-term follow-up is needed to determine the extent and severity of this apparent change.
Asthma
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Australia
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Delivery of Health Care
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Diagnosis
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Environmental Exposure
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Follow-Up Studies
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Humans
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Natural History
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Observational Study
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Ownership
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Prospective Studies
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Public Health
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Surveys and Questionnaires
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Weather

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