NCT07077382

Brief Summary

The primary objective of this study is to characterize the demographic and clinical features of patients with occupational pneumoconiosis (hereinafter referred to as pneumoconiosis) in China. Secondary objectives include: 1) to describe the natural course of pneumoconiosis; 2) to evaluate the prognosis of pneumoconiosis patients; and 3) to assess complications and comorbidities in pneumoconiosis patients.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
2,000

participants targeted

Target at P75+ for all trials

Timeline
50mo left

Started May 2021

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress55%
May 2021May 2030

Study Start

First participant enrolled

May 28, 2021

Completed
4.1 years until next milestone

First Submitted

Initial submission to the registry

June 23, 2025

Completed
29 days until next milestone

First Posted

Study publicly available on registry

July 22, 2025

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2026

Completed
4.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2030

Expected
Last Updated

July 22, 2025

Status Verified

July 1, 2025

Enrollment Period

4.8 years

First QC Date

June 23, 2025

Last Update Submit

July 13, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Pulmonary function test

    Pulmonary function tests (PFTs) are utilized to assess the severity of the patient's condition, monitor disease progression, guide therapeutic decision-making, and evaluate prognosis.

    3 years

Secondary Outcomes (1)

  • Number of patients

    6 years

Study Arms (3)

Patients with pneumoconiosis

This group is composed of patients with pneumoconiosis.

Dust exposure group

This group is composed of patients exposed to dust.

Healthy control group

This group is composed of healthy control subjects.

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients were selected during physical examinations or during hospitalization from medical organization.

You may qualify if:

  • Diagnosed as pneumoconiosis

You may not qualify if:

  • Incomplete occupational history information
  • Has participated in any interventional clinical research

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

China-Japan Friendship Hospital

Beijing, Beijing Municipality, 100029, China

RECRUITING

MeSH Terms

Conditions

Pneumoconiosis

Condition Hierarchy (Ancestors)

Lung Diseases, InterstitialLung DiseasesRespiratory Tract DiseasesLung InjuryOccupational Diseases

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
3 Years
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Chief physician

Study Record Dates

First Submitted

June 23, 2025

First Posted

July 22, 2025

Study Start

May 28, 2021

Primary Completion

March 31, 2026

Study Completion (Estimated)

May 31, 2030

Last Updated

July 22, 2025

Record last verified: 2025-07

Locations