NCT07515066Not yet recruitingPhase 1
Safety and Efficacy of Nebulized 3D-cultured Human Placental Mesenchymal Stem Cell-derived Extracellular Vesicles (hPMSC-EVs) for Idiopathic Pulmonary Fibrosis
A Single-center, Open-label, Single and Multiple Dose, Dose-escalation Exploratory Clinical Study to Evaluate the Safety and Efficacy of Nebulized 3D-cultured Human Placental Mesenchymal Stem Cell-derived Extracellular Vesicles (hPMSC-EVs) in Patients With Idiopathic Pulmonary Fibrosis
Source: ClinicalTrials.gov · Last updated 7 Apr 2026
Brief summary (registry, in English)
This is a single-center, open-label, dose-escalation clinical study to evaluate the safety and efficacy of nebulized 3D-cultured human placental mesenchymal stem cell-derived extracellular vesicles (hPMSC-EVs) in patients with idiopathic pulmonary fibrosis (IPF). Eligible participants will be assigned to one of three dose groups (1.0×10⁹, 2.0×10⁹, or 3.0×10⁹ particles per treatment) using a 3+3 design. All participants will receive nebulized hPMSC-EVs twice daily for 7 consecutive days. The main purpose of this study is to assess the safety and tolerability of hPMSC-EVs, including the incidence of adverse events, changes in vital signs, laboratory tests, and immune markers. Secondary objectives include evaluating changes in lung function (FVC, DLCO), 6-minute walking distance, respiratory symptoms (SGRQ score), and chest HRCT findings. Participants will undergo screening visits, treatment administration, and follow-up visits up to 12 months after the first dose to monitor safety and efficacy outcomes.
- Status (registry)
- Not yet recruiting
- Phase (registry)
- Phase 1
- Study type
- Interventional
- Enrollment
- 9 (estimated)
- First submitted
- 26 Mar 2026
- Start date
- May 2026
- Primary completion date
- Apr 2028
- Lead sponsor
- Huan Ye
- Diseases
- Idiopathic pulmonary fibrosis
- NCT number
- NCT07515066
What you commit to
- Study type: Interventional · Phase 1
- Planned participants: 9
- From May 2026 to the primary completion date, Apr 2028
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Prior treatment with stem cell-derived products or extracellular vesicles for any disease.
- Inability to tolerate nebulized inhalation therapy.
- Malignancy within 5 years prior to screening (except adequately treated basal cell carcinoma or cervical carcinoma in situ).
- Requirement for long-term oxygen therapy for more than 15 hours per day.
- Participation in another interventional clinical trial within 3 months prior to screening.
Other illness
- History of severe drug allergy or anaphylaxis to any component of the study treatment or nebulization materials.
- Diagnosis of bronchial asthma or other active respiratory diseases that may interfere with study assessments.
- Active infection with hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV).
- History of solid organ or hematopoietic stem cell transplantation, or being on the transplant waiting list.
- Severe cardiac, hepatic, renal, or other systemic diseases that, in the investigator's judgment, would compromise study participation or confound study results.
Other
- Pregnant, breastfeeding, or planning pregnancy within 12 months after the last dose of study treatment.
Who the study is looking for
- Age 18 to 75 years, male or female at the time of signing the informed consent form.
- Confirmed diagnosis of idiopathic pulmonary fibrosis (IPF) in accordance with the 2022 ATS/ERS/JRS/ALAT clinical criteria.
- Forced vital capacity (FVC) ≥50% and ≤80% of predicted value, and hemoglobin-corrected diffusing capacity of the lung for carbon monoxide (DLCO) ≥30% and ≤80% of predicted value at screening.
- Stable dose of antifibrotic therapy (nintedanib, pirfenidone, or nerandomilast) for at least 8 weeks prior to screening.
- 6-minute walking distance (6MWD) \>150 meters at screening.
- Willing to use effective contraception during the study and for 12 months after the last dose of study treatment (for subjects of childbearing potential, including male subjects whose spouses are of childbearing potential).
- Signed and dated written informed consent form prior to any study-related procedures.
- Able to comply with all study procedures and scheduled follow-up visits.
Age in the registry: 18 years to 75 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Beijing chest hospital, Capital Medical University Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.