Reconsidering Vitamin D Supplementation in Pulmonary Disease: The Case for Targeted Respiratory Delivery
Kevin D. Schichlein1 Ilona Jaspers2 M. Bradley Drummond3
Citation: Schichlein KD, Jaspers I, Drummond MB. Reconsidering vitamin D supplementation in pulmonary disease: the case for targeted respiratory delivery. Chronic Obstr Pulm Dis. 2026; Published online March 31, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0713
Clinical Significance of Reduced Forced Expiratory Volume in 3 Seconds to Forced Expiratory Volume in 6 Seconds in Adults
Siman Liao, MD1* Juncheng Liang, MD1* Jie Ou, MD2 Ranxi Peng, MD3 Shiyu Zhang, MD4 Leheng Tang, MD4 Qiaorui Zhou, MD4 Yingtong Chen, MD4 Xiaozi Guo, MD1 Jingxian Chen, MD1 Qi Wan, MD5 Zihui Wang, MD, PhD5 Zhishan Deng, MD, PhD5 Yumin Zhou, MD, PhD5,6 Fan Wu, MD, PhD5
Citation: Liao S, Liang J, Ou J, et al. Clinical significance of reduced forced expiratory volume in 3 seconds to forced expiratory volume in 6 seconds in adults. Chronic Obstr Pulm Dis. 2026; Published online March 31, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0649
Understanding COPD Patients’ Perspectives on Utilizing Strategies to Limit Their Exposure to Wildfire Smoke
Jimmy Yao, MD, MPH1 Caitlin M. Lydon, MPH1 Nina Pak, PhD1 Kathleen A. Daly, BS1 Mary Meyer, MD, MPH2 Nadia Hansel, MD, MPH3 Mark T. Dransfield, MD4 Stacey Alexeeff, PhD1 Andrea Altshuler, PhD1 Laura C. Myers, MD, MPH1
Citation: Yao J, Lydon CM, Pak N, et al. Understanding COPD patients’ perspectives on utilizing strategies to limit their exposure to wildfire smoke. Chronic Obstr Pulm Dis. 2026; Published online March 30, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0682
Exploring the Impact of Financial Toxicity in COPD: A Qualitative Study
Sonal G. Mallya, MD, MHS1 Kaila Holloway, MD, MPH2 Cyd K. Eaton, PhD3 Michelle Sharp, MD, MHS1 Nirupama Putcha, MD, MHS1 Kristin A. Riekert, PhD1 Theodore J. Iwashyna, MD, PhD1 Michelle N. Eakin, PhD1
Citation: Mallya SG, Holloway K, Eaton CK, et al. Exploring the impact of financial toxicity in COPD: a qualitative study. Chronic Obstr Pulm Dis. 2026; Published online March 30, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0712
Implementation of 2023 Canadian Thoracic Society Guidelines for Single-Inhaler Triple Therapy Could Reduce Exacerbation and Mortality Rates in COPD: PROMETHEUS Canada
Mohit Bhutani1 Alan Kaplan2 Sheena Kayaniyil3 Kyla Jamieson3 Ross Ormsby3 John Bell4 Prachi Bhatt5 Jennifer Carioto5 Bruce Pyenson5
Citation: Bhutani M, Kaplan A, Kayaniyil S, et al. Implementation of 2023 Canadian Thoracic Society guidelines for single-inhaler triple therapy could reduce exacerbation and mortality rates in COPD: PROMETHEUS Canada. Chronic Obstr Pulm Dis. 2026; Published online March 30, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0687
Clinical Characteristics and Health Care Resource Utilization Among Individuals Undergoing Alpha-1 Antitrypsin Testing in a Quaternary Health System
Drew D. Robinson, MD1,2,3 Chia-Ying Chiu, DrPH1,2 Jane I. Hampton, MD4 George M. Solomon, MD1,5 J. Michael Wells, MD, MSPH1,2,3,6
Citation: Robinson DD, Chiu CY, Hampton JI, Solomon GM, Wells JM. Clinical characteristics and health care resource utilization among individuals undergoing alpha-1 antitrypsin testing in a quaternary health system. Chronic Obstr Pulm Dis. 2026; Published online March 30, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0723