---
title: "Cryptogenic Organizing Pneumonia: Characteristics, Prognosis, and Relapse Risk — Prospective Cohor"
id: "pubmed-42604996"
canonical_url: "https://medichelpline.com/clinical-feed/pubmed-42604996"
content_type: "clinical_feed_article"
specialty: "Critical Care"
source_name: "PubMed / NCBI"
source_url: "https://pubmed.ncbi.nlm.nih.gov/42604996/"
doi: "10.1097/CM9.0000000000004247"
published_at: "2026-09-20T00:00:00.000Z"
evidence_level: "Journal Article"
license: "CC-BY-NC-4.0 / Informational Use"
---
# Cryptogenic Organizing Pneumonia: Characteristics, Prognosis, and Relapse Risk — Prospective Cohor
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/pubmed-42604996
- **Specialty:** [Critical Care](https://medichelpline.com/clinical-feed/critical-care.md)
- **Primary Source:** PubMed / NCBI
- **Source URL:** [Original Journal Publication](https://pubmed.ncbi.nlm.nih.gov/42604996/)
- **DOI:** [10.1097/CM9.0000000000004247](https://doi.org/10.1097%2FCM9.0000000000004247)
- **Published At:** 2026-09-20T00:00:00.000Z
- **Evidence Rating:** Journal Article
## Executive GIST (TL;DR)
- This article reports a prospective cohort study from China on **cryptogenic organizing pneumonia (COP)** that investigated patient characteristics, prognosis, and risk factors for **relapse**. - The manuscript is published in Chinese Medical Journal (Engl) with PMID 42604996 and DOI 10.1097/CM9.0000000000004247. - The study is authored by Weiqing Meng and colleagues from multiple respiratory, pathology, radiology, and clinical research departments in Beijing institutions, including the National Center for Respiratory Medicine and China-Japan Friendship Hospital. - The paper’s stated aims were to describe clinical characteristics, follow patient prognosis, and identify factors associated with recurrence of COP in a prospective Chinese cohort. - The PubMed record lists publication details (2026 Sep 20;139(18):2750-2759; Epub 2026 Aug 14) but the abstract text and specific results are not included in the provided source content. - Key methodological elements (sample size, inclusion/exclusion criteria, diagnostic approach, follow-up duration, treatment regimens, statistical methods) are not reported in the provided source excerpt. - Outcome data (rates of relapse, identified risk factors, prognostic measures, survival or functional outcomes, imaging or histopathologic correlates) are not available in the excerpt and therefore cannot be summarized or paraphrased here. - Because the source excerpt lacks results and methods, clinical interpretation must be limited; readers should consult the full text (journal or DOI link) for quantitative findings and actionable clinical conclusions. - The report underscores an ongoing research focus on relapsing COP and the need for prospective data; however, specific practice-changing recommendations are not present in the provided material. - Affiliations and multidisciplinary author team suggest the study included radiologic and pathologic input, but the role and findings of these assessments were not reported in the excerpt.
## Clinical Analysis & Structured Key Points
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Epub 2026 Aug 14. # Characteristics, prognosis, and risk factors for relapse in patients with cryptogenic organizing pneumonia: A prospective cohort study in China [Weiqing Meng](https://pubmed.ncbi.nlm.nih.gov/?term=Meng+W&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Bingbing Xie](https://pubmed.ncbi.nlm.nih.gov/?term=Xie+B&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Shu Zhang](https://pubmed.ncbi.nlm.nih.gov/?term=Zhang+S&cauthor_id=42604996)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-3 "Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China."), [Xinran Zhang](https://pubmed.ncbi.nlm.nih.gov/?term=Zhang+X&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-4 "Department of Clinical Research and Data Management, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Jing Geng](https://pubmed.ncbi.nlm.nih.gov/?term=Geng+J&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Yinan Hu](https://pubmed.ncbi.nlm.nih.gov/?term=Hu+Y&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Xueying Chen](https://pubmed.ncbi.nlm.nih.gov/?term=Chen+X&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Ling Zhao](https://pubmed.ncbi.nlm.nih.gov/?term=Zhao+L&cauthor_id=42604996)[ 5 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-5 "Department of Pathology, China-Japan Friendship Hospital, Beijing 100029, China."), [Yanhong Ren](https://pubmed.ncbi.nlm.nih.gov/?term=Ren+Y&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Xiaojuan Guo](https://pubmed.ncbi.nlm.nih.gov/?term=Guo+X&cauthor_id=42604996)[ 6 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-6 "Department of Radiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China."), [Min Liu](https://pubmed.ncbi.nlm.nih.gov/?term=Liu+M&cauthor_id=42604996)[ 7 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-7 "Department of Radiology, China-Japan Friendship Hospital, Beijing 100029, China."), [Sheng Xie](https://pubmed.ncbi.nlm.nih.gov/?term=Xie+S&cauthor_id=42604996)[ 7 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-7 "Department of Radiology, China-Japan Friendship Hospital, Beijing 100029, China."), [Huaping Dai](https://pubmed.ncbi.nlm.nih.gov/?term=Dai+H&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#full-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China.") Affiliations Expand ### Affiliations * 1 National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China. * 2 Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China. * 3 Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China. * 4 Department of Clinical Research and Data Management, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China. * 5 Department of Pathology, China-Japan Friendship Hospital, Beijing 100029, China. * 6 Department of Radiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China. * 7 Department of Radiology, China-Japan Friendship Hospital, Beijing 100029, China. * PMID: **42604996** * DOI: [ 10.1097/CM9.0000000000004247 ](https://doi.org/10.1097/cm9.0000000000004247) Item in Clipboard # Characteristics, prognosis, and risk factors for relapse in patients with cryptogenic organizing pneumonia: A prospective cohort study in China Weiqing Meng et al. Chin Med J (Engl). 2026. Show details Display options Display options Format Abstract PubMed PMID Chin Med J (Engl) Actions * [ Search in PubMed ](https://pubmed.ncbi.nlm.nih.gov/?term=%22Chin+Med+J+%28Engl%29%22%5Bjour%5D&sort=date&sort_order=desc) * [ Search in NLM Catalog ](https://www.ncbi.nlm.nih.gov/nlmcatalog?term=%22Chin+Med+J+%28Engl%29%22%5BTitle+Abbreviation%5D) * [ Add to Search ](https://pubmed.ncbi.nlm.nih.gov/42604996/) . 2026 Sep 20;139(18):2750-2759. doi: 10.1097/CM9.0000000000004247. Epub 2026 Aug 14. ### Authors [Weiqing Meng](https://pubmed.ncbi.nlm.nih.gov/?term=Meng+W&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Bingbing Xie](https://pubmed.ncbi.nlm.nih.gov/?term=Xie+B&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Shu Zhang](https://pubmed.ncbi.nlm.nih.gov/?term=Zhang+S&cauthor_id=42604996)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-3 "Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China."), [Xinran Zhang](https://pubmed.ncbi.nlm.nih.gov/?term=Zhang+X&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-4 "Department of Clinical Research and Data Management, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Jing Geng](https://pubmed.ncbi.nlm.nih.gov/?term=Geng+J&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Yinan Hu](https://pubmed.ncbi.nlm.nih.gov/?term=Hu+Y&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Xueying Chen](https://pubmed.ncbi.nlm.nih.gov/?term=Chen+X&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-2 "Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing 100029, China."), [Ling Zhao](https://pubmed.ncbi.nlm.nih.gov/?term=Zhao+L&cauthor_id=42604996)[ 5 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-5 "Department of Pathology, China-Japan Friendship Hospital, Beijing 100029, China."), [Yanhong Ren](https://pubmed.ncbi.nlm.nih.gov/?term=Ren+Y&cauthor_id=42604996)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42604996/#short-view-affiliation-1 "National Center for Respiratory Medicine; State Key Laboratory of Respiratory Health and Multimorbidity; National Clinical Research Center for Respiratory Diseases; Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100029, China.")[ 2 ](https://pubmed.ncbi.nlm.
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