CI

At a glance

ClinicalIndex Comparison Record
Phase 1Recruiting· 66 target
Drug / intervention
Eflornithine (Dose Level 1) +3 moredrug
Likely dose
Eflornithine (Dose Level 1) 2.3 gfrom record
Key inclusion· 6
  • WHO G4 GBM IDH-wildtype or G3 astrocytoma IDH-mutant (CDKN2A/B intact)
  • Completed external beam radiation therapy per standard of care
  • GBM: ≥80% of planned TMZ doses during chemoradiation; Astrocytoma: tolerated adjuvant TMZ 2-4 cycles
  • Adequate hematologic, renal, hepatic, and organ function
Key exclusion· 7
  • Recent history of recurrent or metastatic cancer that could confound response assessments
  • Prior Optune treatment
  • Active infection or serious intercurrent medical illness
  • Poorly controlled seizures

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05879367
NCT05879367Phase 1RecruitingHigh MomentumUpdated 12mo ago

An Open-label, Phase 1b Study to Evaluate the Safety and Tolerability of Eflornithine Plus Temozolomide in Patients With Newly Diagnosed Glioblastoma or Astrocytoma

Orbus Therapeutics, Inc.·interventional·Posted May 30, 2023·Updated Jun 25, 2025

In Brief

A Phase 1 clinical trial evaluating Eflornithine (Dose Level 1), Eflornithine (Dose Level 2), and 2 other interventions for Glioblastoma, IDH-wildtype and 6 related conditions. Currently recruiting, targeting 66 participants across 8 sites.

Signals

Enrolling ahead of pace

Detailed Summary

The purpose of this study is to establish the recommended phase 2 dose of eflornithine in combination with temozolomide in patients whose glioblastoma or astrocytoma is newly diagnosed, and to evaluate safety and tolerability of this combination at that dose.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 1RecruitingOverdue
202420252026
First PostedMay 30, 2023
Enrollment StartJul 24, 2023
Primary CompletionJun 30, 2026
TodayJul 2, 2026
Enrollment to primary: 2.9 yearsPosted 3.1 years ago

Interventions

Eflornithine (Dose Level 1)drug

Eflornithine 2.3 g/m2 administered orally every 8 hours on a 2 weeks on, 2 weeks off schedule

Eflornithine (Dose Level 2)drug

Eflornithine 2.8 g/m2 administered orally every 8 hours on a 2 weeks on, 2 weeks off schedule

Eflornithine (Dose Level -1)drug

Eflornithine 1.75 g/m2 administered orally every 8 hours on a 2 weeks on, 2 weeks off schedule

Temozolomidedrug

Temozolomide 150 mg/m2 (with option to escalate per USPI maintenance phase instructions) administered orally once daily on a 5 days on, 23 days off schedule