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Whole brain low dose radiotherapy (WB-LDRT) combined with ICI and intrathecal chemotherapy in the treatment of refractory meningeal metastasis of lung cancer

Efficacy and safety of whole brain low dose radiotherapy (WB-LDRT) combined with ICI and intrathecal chemotherapy for treating multi-line standard treatment failed of refractory meningeal metastasis of lung cancer

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400083863
Enrollment
Unknown
Registered
2024-05-06
Start date
2024-05-06
Completion date
Unknown
Last updated
2024-05-13

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

Conditions

lung cancer

Interventions

1:WB-LDRT 4Gy/2f, D1,2 +ICI: PD-1 inhibitor+Pem, iv IP: Pem 30mg
2:WB-LDRT 8Gy/4f, performed on days 1 and 2 of Cycles 1 and 2, respectively +ICI: PD-1 inhibitor+Pem, iv IP: Pem 30mg
3:WB-LDRT 16Gy/8f, performed on days 1 and 2 of cycles 1, 2, 3 and 4 respectively +ICI: PD-1 inhibitor+Pem, iv IP: Pem 30mg

Sponsors

Thoracic Oncology Ward, West China Hospital, Sichuan University, Chengdu, Sichuan, China
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion Criteria: 1. = 18 years old and = 75 years old; 2. Patients with a definite diagnosis of leptomeningeal metastasis by cerebrospinal fluid cytology, or patients with clinical diagnosis combined with tumor history, neuroimaging, clinical manifestations, cerebrospinal fluid examination, etc.; 3. Patients with a clear history of lung carcinoma, including histopathological diagnosis or a combination of cytopathology and imaging, and failure of standard treatment; 4. Efficacy of extracranial lesions SD; 5. Patients with no contraindications to craniocranial radiotherapy were judged by radiotherapy doctors. Subjects who agree to receive immunotherapy, Lumbar puncture, intrathecal chemotherapy, and radiotherapy; 6. Expected survival =3 months, PS score =3; 7. Agree to provide cerebrospinal fluid, blood and tissue samples for biomarker testing; 8. The main organs function normally, no serious blood, heart, lung, liver, kidney, bone marrow and other functional abnormalities and immune deficiency diseases; 9. One week before enrollment, bone marrow and liver and kidney function met the following criteria: ? Hemoglobin =80 g/L, neutrophils =1.5×109/L and platelets =70×109/L; ? Renal function: Cr=ULN (upper limit of normal) × 1.5, endogenous creatinine clearance (Ccr)=55 ml/min; Liver function: total bilirubin =ULN × 1.5; ALT, AST=ULN × 2.5; (In case of liver metastasis, total bilirubin should not be higher than 3 times the upper normal limit, and transaminase should not be higher than 5 times the upper normal limit); 10. The fertile women agreed to use contraception during the study period and for 6 months after the study ended; Patients who tested negative for a serum or urine pregnancy test within 7 days prior to joining the study and were not breastfed; Men who agreed to use contraception during the study period and for 6 months after the study ended

Exclusion criteria

Exclusion criteria: Exclusion Criteria: (1) Active autoimmune disease or history of autoimmune diseases; (2) Congenital or acquired immunodeficiency; (3) Uncontrolled cardiac clinical symptoms or diseases; (4) Severe infection or severe comorbidities, such as bleeding peptic ulcer, ileus, heart failure, renal failure, or poorly controlled diabetes; (5) History of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation; (6) Other systemic malignancies within the last 5 years; (7) Allergy to any test drug; (8) Uncontrolled epilepsy, neurological failure, or severe treatment-related neurological impairment, uncontrollable psychosis, and other conditions deemed unsuitable for inclusion by the investigator; and (9) pregnancy.

Design outcomes

Primary

MeasureTime frame
Clinical response rate;

Secondary

MeasureTime frame
PFS-LM;Overall survival;

Countries

China

Contacts

Public ContactLisha Xiang

West China Hospital, Sichuan University

lishaxiang@foxmail.com+86 133 2094 3069

Outcome results

None listed

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