Articles in Press

Final Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation (JCOPDF) manuscripts are published and available in our Articles in Press section as soon as possible following editorial acceptance. These articles have completed both a rigorous peer review process and a thorough copyediting/editorial acceptance phase. Quarterly, these articles will be compiled into formal issues along with editorials, correspondence and additional themed reviews and features. To receive notifications of the posting of new Articles in Press AND the posting of new JCOPDF issues, sign up for a free subscription here.

The Impact of Treated and Untreated COPD Exacerbations on Long-Term Health-Related Quality of Life

Nicholas Wang, MD¹ Emily R. Locke, MPH² Tracy Simpson, PhD^3,4 Erik R. Swensen, MD⁵ Jeffrey Edelman, MD^1,2 Ranak B. Trivedi, PhD^6,7 Vincent S. Fan, MD, MPH^1,2

Citation: Wang N, Locke ER, Simpson T, et al. The impact of treated and untreated COPD exacerbations on long-term health-related quality of life. Chronic Obstr Pulm Dis. 2026; Published online January 5, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0665

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Lung Cancer in Patients With COPD: Predictors of Surgery and Long-Term Survival Following Lung Resection

Arianne Tardif¹ Claudia LeBlanc¹ Pascalin Roy¹ Marie Parizeault¹ Catherine Labbé¹ Frédéric Nicodème¹ Emma Roy¹ Gabriel Chouinard¹ Éliane Pelletier¹ Marie-Christine Blais¹ Sabrina Biardel¹ Mélanie Gaudreault¹ Serge Simard¹ Yves Lacasse¹ François Maltais¹

Citation: Tardif A, LeBlanc C, Roy P, et al. Lung cancer in patients with COPD: predictors of surgery and long-term survival following lung resection. Chronic Obstr Pulm Dis. 2026; Published online January 5, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0643

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Rationale and Design of the Roflumilast or Azithromycin to Prevent COPD Exacerbations Clinical Trial

Jerry A. Krishnan, MD, PhD¹ Janet T. Holbrook, PhD²Elizabeth A. Sugar, PhD² Richard Albert, MD³ Steve Rennard, MD⁴Nina Bracken, APRN¹ Jiaxian He, MS² Marie Bradley, PhD, MSc PH, MPharm⁵ Kevin Coughlin, MA⁶ Candace C. Fuller, PhD, MPH⁶ Bradley Hammill, DrPH, MA⁷ Elisha Malanga⁸ Vincent M. Malanga⁸ David Mannino, MD, MPH⁸ Richard A. Mularski, MD, MCR, MSHS⁹ Hugh Musick, MBA¹ Jean Rommes, PhD⁸ Julie DeLisa, MA¹ Sengwee Toh, ScD⁶ Robert A. Wise, MD²

Citation: Krishnan JA, Holbrook JT, Sugar EA, et al. Rationale and design of the roflumilast or azithromycin to prevent COPD exacerbations clinical trial. Chronic Obstr Pulm Dis. 2026; Published online January 5, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0669

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25-Hydroxyvitamin D Deficiency Elevates the Risk of COPD Incidence and Mortality: A Large Population-Based Prospective Cohort Study

Ying Zhu, PhD, MD^1,2* Shengjie Zhao, PhD, MD^3* Chen Zhu, PhD^4* Jianzheng Zhang, PhD, MD⁵ Qiang Tong, PhD, MD^6,7

Citation: Zhu Y, Zhao S, Zhu C, Zhang J, Tong Q. 25-Hydroxyvitamin D deficiency elevates the risk of COPD incidence and mortality: a large population-based prospective cohort study. Chronic Obstr Pulm Dis. 2026; Published online January 5, 2026. doi: https://doi.org/10.15326/jcopdf.2025.0638

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Census Tract Variability in COPD Emergency Department, Hospitalization, and Readmission Rates in Travis County, Texas

Trisha M. Parekh, DO, MSPH¹ Peter Dunphy, MS, PhD² Emily M. Hall, MPH³ Sarah Chambliss, PhD³ Rebecca A. Zarate, PhD³ Mark T. Dransfield, MD⁴ Paul J. Rathouz, PhD^3† Elizabeth C. Matsui, MD, MHS³

Citation: Parekh TM, Dunphy P, Hall EM, et al. Census tract variability in COPD emergency department, hospitalization, and readmission rates in Travis County, Texas. Chronic Obstr Pulm Dis. 2025; Published online December 15, 2025. doi: https://doi.org/10.15326/jcopdf.2025.0663

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Upper and Lower Limb Skeletal Muscle Mass Index as a Novel Evaluation Index in Patients with Chronic Obstructive Pulmonary Disease

Junpei Oba, RPT, MHS^1,2 Shota Kotani, RPT, PhD³ Satoshi Kubo, RPT¹ Jun Horie, RPT, PhD²

Citation: Oba J, Kotani S, Kubo S, Horie J. Upper and lower limb skeletal muscle mass index as a novel evaluation index in patients with chronic obstructive pulmonary disease. Chronic Obstr Pulm Dis. 2025; Published online December 9, 2025. doi: https://doi.org/10.15326/jcopdf.2025.0698

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The Long-Term Effects of Cost-Related Nonadherence on COPD Outcomes and Progression in the COPDGene Study Cohort

Rajat Suri¹ Amy Non² Jacob Bailey¹ Doug Conrad¹

Citation: Suri R, Non A, Bailey J, Conrad D. The long-term effects of cost-related nonadherence on COPD outcomes and progression in the COPDGene study cohort. Chronic Obstr Pulm Dis. 2025; Published online December 9, 2025. doi: https://doi.org/10.15326/jcopdf.2025.0689

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The Effects of Aerobic Exercise on Prognosis, Quality of Life, and Psychological Outcomes of Patients With Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis

Mingchun Zhang¹ Misbah Ullah Khan²

Citation: Zhang M, Khan MU. The effects of aerobic exercise on prognosis, quality of life, and psychological outcomes of patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis. Chronic Obstr Pulm Dis. 2025; Published online October 29, 2025. doi: https://doi.org/10.15326/jcopdf.2025.0657

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ISSN 2372-952X

Time from submission to first decision:

30 days

Indexed by:

PubMed
PubMed Central
Science Citation Index Expanded
Scopus

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Copyright & Reprints

While the JCOPDF is an open access journal and free access to its content is encouraged, reproduction of JCOPDF content for bulk and commercial distribution/ use must be purchased from the COPD Foundation, sole copyright holder of all JCOPDF content. If you are interested in ordering (or obtaining a quote for) paper reprints or e-prints of an article, please contact scsreprints@sheridan.com. If you wish to request information about reproducing figures or tables, please contact Bethany Hendrix, JCOPDF staff member at bhendrix@copdfoundation.org. Authors should contact the Foundation directly related to their requests for personal use of articles, figures, charts, etc.

The COPD Foundation is a nonprofit, tax-exempt charitable organization under Section 501(c)(3) of the Internal Revenue Code.

Chronic Obstructive Pulmonary Diseases:Journal of the COPD Foundation_®

Articles in Press

The Impact of Treated and Untreated COPD Exacerbations on Long-Term Health-Related Quality of Life

Lung Cancer in Patients With COPD: Predictors of Surgery and Long-Term Survival Following Lung Resection

Rationale and Design of the Roflumilast or Azithromycin to Prevent COPD Exacerbations Clinical Trial

25-Hydroxyvitamin D Deficiency Elevates the Risk of COPD Incidence and Mortality: A Large Population-Based Prospective Cohort Study

Census Tract Variability in COPD Emergency Department, Hospitalization, and Readmission Rates in Travis County, Texas

Upper and Lower Limb Skeletal Muscle Mass Index as a Novel Evaluation Index in Patients with Chronic Obstructive Pulmonary Disease

The Long-Term Effects of Cost-Related Nonadherence on COPD Outcomes and Progression in the COPDGene Study Cohort

The Effects of Aerobic Exercise on Prognosis, Quality of Life, and Psychological Outcomes of Patients With Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis

Author Guidelines

Copyright & Reprints

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Chronic Obstructive Pulmonary Diseases:Journal of the COPD Foundation®

Articles in Press

The Impact of Treated and Untreated COPD Exacerbations on Long-Term Health-Related Quality of Life

Lung Cancer in Patients With COPD: Predictors of Surgery and Long-Term Survival Following Lung Resection

Rationale and Design of the Roflumilast or Azithromycin to Prevent COPD Exacerbations Clinical Trial

25-Hydroxyvitamin D Deficiency Elevates the Risk of COPD Incidence and Mortality: A Large Population-Based Prospective Cohort Study

Census Tract Variability in COPD Emergency Department, Hospitalization, and Readmission Rates in Travis County, Texas

Upper and Lower Limb Skeletal Muscle Mass Index as a Novel Evaluation Index in Patients with Chronic Obstructive Pulmonary Disease

The Long-Term Effects of Cost-Related Nonadherence on COPD Outcomes and Progression in the COPDGene Study Cohort

The Effects of Aerobic Exercise on Prognosis, Quality of Life, and Psychological Outcomes of Patients With Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis

Author Guidelines

Copyright & Reprints

Chronic Obstructive Pulmonary Diseases:Journal of the COPD Foundation_®