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Safety and efficacy of umbilical cord blood mononuclear cells combined with umbilical cord mesenchymal stem cell exosomes in treating radiation pneumonia

Safety and efficacy of umbilical cord blood mononuclear cells combined with umbilical cord mesenchymal stem cell exosomes in treating radiation pneumonia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500110358
Enrollment
Unknown
Registered
2025-10-13
Start date
2025-10-13
Completion date
Unknown
Last updated
2025-10-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Radiation pneumonitis

Interventions

Trial group:Treatment with umbilical cord blood mononuclear cells (UCB-MNCs) combined with umbilical cord mesenchymal stem cell-derived exosomes (UCMSC-exos).
Control group:Standardized treatment protocol

Sponsors

Anhui Provincial Cancer Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Ages 18-75 years, regardless of gender; 2. History of chest radiotherapy with symptoms of pneumonia developing after treatment; 3. Diagnosed with grade 2-3 radiation pneumonitis according to CTCAE 5.0 classification criteria in the "Chinese Expert Consensus on Diagnosis and Treatment of Radiation-induced Pneumonitis"; 4. Well-controlled tumor for >=3 months (i.e., no progression or stable disease confirmed by imaging); 5. No significant liver or kidney dysfunction: ALT, AST = 3 months; 7. Signed informed consent form; 8. Willing and able to receive treatment and follow-up as required by the protocol, and able to follow basic treatment instructions.

Exclusion criteria

Exclusion criteria: 1. Severe cardiac insufficiency (such as NYHA class III or IV), uncontrolled hypertension (systolic blood pressure >=160mmHg or diastolic blood pressure >=110mmHg); 2. Hepatitis B (HBsAg positive and HBV DNA >=2000IU/mL), hepatitis C (HCV-Ab positive and HCV-RNA > upper limit of normal), human immunodeficiency virus (HIV) antibody positive, Treponema pallidum antibody positive; 3. ECOG score >=2 points; 4. Currently participating in or participated in other clinical trials within 4 weeks; 5. Patients with allergic constitution or known allergy to the trial preparations (umbilical cord blood mononuclear cells, mesenchymal stem cell exosomes); 6. Patients with mental illness who cannot cooperate with treatment; 7. Pregnant or lactating women; 8. Uncontrolled infections (such as septicemia, active tuberculosis, etc.); 9. Severe coagulation dysfunction (INR >1.5 or APTT >1.5 times the upper limit of normal); 10. Patients with a history of myocardial infarction or stroke within 3 months.

Design outcomes

Primary

MeasureTime frame
Chest Enhanced CT Scan;

Secondary

MeasureTime frame
mMRC score;6-minute walk distance;Pulmonary function parameters (FEV1, FVC, FEV1/FVC, DLCO);Blood gas analysis indices (pH, PaO2, SaO2, PaCO2);Inflammatory factors and fibrosis markers;Immune function;

Countries

China

Contacts

Public ContactZang Chunbao

Anhui Provincial Cancer Hospital

zangchunbao@ustc.edu.cn+86 551 6589 0917

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026