Liposomal Irinotecan, Vincristine, Temozolomide, and Anlotinib for R/R Pediatric Solid Tumors

Starting soon · Phase 2

Conditions studied: Relapsed or Refractory Pediatric Malignant Solid Tumors (Including Neuroblastoma, Rhabdomyosarcoma, Ewing Sarcoma, Osteosarcoma)

In brief

This is a prospective, single-center, single-arm interventional trial conducted at Tianjin Medical University Cancer Institute and Hospital. It evaluates the efficacy and safety of a combination regimen (liposomal irinotecan + vincristine + temozolomide ± anlotinib) in children with relapsed or refractory malignant solid tumors, with the goal of optimizing regimen-related adverse reactions and exploring appropriate administration strategies. 1. Study Objectives Primary Objective: Assess the objective response rate (ORR) of the combination regimen in the study population. Secondary Objectives: Evaluate survival outcomes (progression-free survival \[PFS\], overall survival \[OS\]) and the incidence of adverse events (per NCI CTCAE v5.0). 2. Eligibility Criteria Inclusion Criteria Aged 3-18 years (inclusive) at consent; Pathologically confirmed relapsed or refractory malignant solid tumors (e.g., neuroblastoma, rhabdomyosarcoma); At least one measurable lesion (per RECIST v1.1); Adequate functional status and organ function (per institutional standards); Written informed consent from subject/legal guardian. Exclusion Criteria Hypersensitivity to study drugs; Active uncontrolled infection or severe comorbidities; Concurrent participation in other interventional trials; Conditions precluding study participation (per investigator judgment). 3. Intervention Procedures Eligible subjects are assigned to short-course or long-course subgroups based on clinical status: Short-course: Liposomal irinotecan (Day 1), vincristine (Day 1), temozolomide (Days 1-5), ± weight-based anlotinib (Days 1-14); Long-course: Liposomal irinotecan (Days 1/8/15), plus the same doses of other drugs as the short-course subgroup. Each treatment cycle is 21 days. Efficacy is assessed regularly; treatment (dose/subgroup) will be adjusted per clinical condition. 4. Outcome Assessments Primary Outcome: ORR (assessed per RECIST v1.1 at regular intervals); Secondary Outcomes: PFS, OS (long-term follow-up post-treatment), and adverse event incidence. 5. Participant Requirements Participation is voluntary. Subjects/guardians must provide written informed consent prior to enrollment. Long-term follow-up will be conducted post-treatment.

Key facts

Study ID

NCT07444918

Run by

Tianjin Medical University Cancer Institute and Hospital

People needed

33

Starts

2026-03-01

Expected to finish

2032-06-06

Last updated by the study team

2026-03-03

Who can join

Age: 3 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Aged 3 to 18 years (inclusive) at the time of informed consent signing.
• Pathologically confirmed relapsed or refractory malignant solid tumors (including but not limited to neuroblastoma, rhabdomyosarcoma, Ewing sarcoma, osteosarcoma).
• At least one measurable lesion (as defined by RECIST v1.1) confirmed by CT/MRI within 28 days prior to enrollment.
• Eastern Cooperative Oncology Group (ECOG) performance status score of 0, 1, or 2.
• Adequate organ function (absolute neutrophil count ≥1.5×10⁹/L; platelet count ≥100×10⁹/L; hemoglobin ≥90g/L; serum creatinine ≤1.5×upper limit of normal [ULN] for age; total bilirubin ≤1.5×ULN; alanine aminotransferase/aspartate aminotransferase ≤2.5×ULN, or ≤5×ULN if liver metastasis exists).
• Written informed consent provided by the subject (if ≥18 years old) or legal guardian (if <18 years old).

You may not qualify if…

• Known hypersensitivity to any component of the study drugs (liposomal irinotecan, vincristine, temozolomide, anlotinib).
• Active systemic infection requiring systemic antibiotic treatment within 7 days prior to enrollment.
• History of severe cardiovascular disease (e.g., congestive heart failure, uncontrolled arrhythmia).
• Concurrent participation in another interventional clinical trial.
• Pregnancy, lactation, or unwillingness to use effective contraception (for sexually active subjects).
• Other medical conditions that, in the investigator's judgment, may affect study participation or outcome assessment.

Full record on ClinicalTrials.gov

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