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A Randomized Trial of Delayed Radiotherapy in Patients Low-grade Oligodendrogliomas Requiring a Treatment Other Than Surgery

NCT04702581 · Status: RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 280

Last updated 2026-01-29

No results posted yet for this study

Summary

Because of their prolonged survival, patients with 1p/19q-codeleted low-grade oligodendrogliomas treated with RT + PCV are at risk of neurocognitive deterioration. We make the hypothesis that withholding radiotherapy until tumor progression could reduce the risk of neurocognitive deterioration without impairing overall survival.

Conditions

  • Oligodendroglioma
  • Low-grade Oligodendroglioma
  • 1p19q Codeletion

Interventions

DRUG

PCV chemotherapy

1. cycle of PCV chemotherapy is given as: * Day 1: CCNU 110 mg/m2 orally; * Days 8 and 29: Vincristine 1.4 mg/m2 IV; * Days 8 to 21: Procarbazine 60 mg/m2 orally 6 cycles are given.

DRUG

Radiotherapy and PCV chemotherapy

Radiotherapy will deliver 50.4 Gy in 28 fractions of 1.8 Gy using IMRT technique. Followed by 6 cycles of PCV chemotherapy 1 cycle of PCV is given as: * Day 1: CCNU 110 mg/m2 orally; * Days 8 and 29: Vincristine 1.4 mg/m2 IV; * Days 8 to 21: Procarbazine 60 mg/m2 orally

Sponsors & Collaborators

  • Hospices Civils de Lyon

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-12-07
Primary Completion
2030-12-31
Completion
2030-12-31

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04702581 on ClinicalTrials.gov