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Efficacy and safety of low-dose radiotherapy combined with PD-1 inhibitors in the third-line and above treatment of small cell lung cancer

Efficacy and safety of low-dose radiotherapy combined with PD-1 inhibitors in the third-line and above treatment of small cell lung cancer

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100051839
Enrollment
Unknown
Registered
2021-10-07
Start date
2022-04-30
Completion date
Unknown
Last updated
2022-06-27

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

Conditions

small cell lung cancer

Interventions

Experimental group:Low-dose radiotherapy plus immunotherapy

Sponsors

Jintang County First People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-75 years, no gender limit; 2. Histologically or cytologically confirmed small cell lung cancer; 3. Received prior two-line therapy for small-cell lung cancer; 4. Have at least one measurable lesion according to the efficacy evaluation criteria for solid tumors (RECIST 1.1); 5. ECOG: 0-2; 6. Expected survival >=12 weeks; 7. Subjects voluntarily joined the study and signed informed consent with good compliance and follow-up.

Exclusion criteria

Exclusion criteria: 1. Central nervous system metastasis with obvious symptoms; 2. The patient has any active autoimmune disease or has a history of autoimmune disease; 3. The patient has received more than 6 months of immunotherapy in the past; 4. There are contraindications to radiotherapy; 5. Patients with any severe and/or uncontrolled disease, including: patients with unsatisfactory blood pressure control (systolic blood pressure >= 150 mmHg or diastolic blood pressure >= 100 mmHg); suffering from myocardial ischemia or myocardial infarction above grade I, arrhythmia (including QT interval >=480ms) and grade I cardiac insufficiency; 6. Active or uncontrolled serious infection; 7. The researcher thinks that it is not suitable for inclusion.

Design outcomes

Primary

MeasureTime frame
Objective response rate;

Countries

China

Contacts

Public ContactZeng Yu

First People's Hospital of Jintang County

1064848215@qq.com+86 13982096914

Outcome results

None listed

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