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NCT06114784: MASS

Microbiome and Host Susceptibility in Severe Pneumonia, a Prospective, Multicenter, Cohort Study

Recruiting now Last updated 7 August 2025
What this trial tests

trial testing Metagenomics in Severe Pneumonia in 2,000 participants. Currently enrolling.

Timeline
25 September 2023
Primary endpoint
31 December 2026
31 December 2026

Quick facts

Lead sponsorFirst Affiliated Hospital of Zhejiang University
StatusRecruiting now
Study typeOBSERVATIONAL
Enrollment2,000
Start date25 September 2023
Primary completion31 December 2026
Estimated completion31 December 2026
Sites15 locations across China

Drugs / interventions tested

Conditions studied

Sponsor

First Affiliated Hospital of Zhejiang University

Who can join

18 and older, any sex, with Severe Pneumonia. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

This study was a prospective multicenter cohort of severe pneumonia. And by collecting clinical samples to clarify the correlation between lung microbiome, intestinal microbiome, host susceptibility, and prognosis of severe pneumonia patients.

Publications & conference data

5 peer-reviewed publications reference this trial (live from Europe PMC):

  1. MASS cohort: Multicenter, longitudinal, and prospective study of the role of microbiome in severe pneumonia and host susceptibility.
    Wei X, Guo L, Cai H, Gu S, et al · · 2024 · cited 12× · PMID 39135692 · DOI 10.1002/imt2.218
  2. The Landscape of lower respiratory tract herpesviruses in severe pneumonia patients: a multicenter, retrospective study with prospective validation.
    Liu F, Zhuang Y, Huang X, Papazian L, et al · · 2025 · cited 10× · PMID 40542368 · DOI 10.1186/s13054-025-05496-3
  3. Pre-admission fine particulate matter exposure is associated with invasive pulmonary aspergillosis in patients with severe pneumonia, results from two multicenter cohort studies.
    Zhou H, Zhu S, Li Y, Ren X, et al · · 2025 · cited 5× · PMID 41106023 · DOI 10.1016/j.ebiom.2025.105971
  4. Bias caused by sample selection for lower respiratory tract microbiome research.
    Wang M, Li X. · · 2024 · cited 1× · PMID 38698479 · DOI 10.1186/s13054-024-04934-y
  5. Sampling and processing matter in airway microbiota discovery.
    Imbert S, Revers M, Enaud R, Orieux A, et al · · 2024 · PMID 38822434 · DOI 10.1186/s13054-024-04971-7

Verify or expand the search:

Other recruiting trials for Severe Pneumonia

Currently open trials in the same condition.

Other First Affiliated Hospital of Zhejiang University trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

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