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Active, not recruiting Phase 3 Interventional Results available

Study of Vorasidenib (AG-881) in Participants With Residual or Recurrent Grade 2 Glioma With an IDH1 or IDH2 Mutation (INDIGO)

ClinicalTrials.gov ID: NCT04164901

Public ClinicalTrials.gov record NCT04164901. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:59 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-Controlled Study of AG-881 in Subjects With Residual or Recurrent Grade 2 Glioma With an IDH1 or IDH2 Mutation

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study AG881-C-004 is a phase 3, multicenter, randomized, double-blind, placebo-controlled study comparing the efficacy of vorasidenib to placebo in participants with residual or recurrent Grade 2 glioma with an IDH1 or IDH2 mutation who have undergone surgery as their only treatment. Participants will be required to have central confirmation of IDH mutation status prior to randomization. Approximately 340 participants are planned to be randomized 1:1 to receive orally administered vorasidenib 40 mg QD or placebo.

Study identification

NCT ID
NCT04164901
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Enrollment
331 participants

Conditions and interventions

Eligibility (public fields only)

Age range
12 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 5, 2020 (Actual)
Primary completion
Sep 6, 2022 (Actual)
Completion
May 2028 (Estimated)
Last update posted
Apr 3, 2025

2020 – 2028

United States locations

U.S. sites
40
U.S. states
25
U.S. cities
35
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294 —
City of Hope Duarte California 91010 —
University of California San Diego La Jolla California 92093 —
UCLA Oncology Center Los Angeles California 90095 —
University of California Irvine - Hospital Orange California 92868 —
University of California San Francisco San Francisco California 94143 —
Stanford Cancer Center Stanford California 94305 —
University of Colorado Hospital - Anschutz Cancer Pavilion Aurora Colorado 80045 —
Yale University, Yale Cancer Center New Haven Connecticut 06510 —
Mayo Clinic Jacksonville Jacksonville Florida 32224 —
Sylvester Comprehensive Cancer Center - University of Miami Hospital and Clinics Miami Florida 33136 —
Northwestern University Chicago Illinois 60611 —
University of Chicago Chicago Illinois 60637 —
Indiana University Medical Center Indianapolis Indiana 46202 —
University of Kansas Medical Center Kansas City Kansas 66160 —
University of Kentucky Lexington Kentucky 40536 —
Maine Medical Partners Neurology Scarborough Maine 04074 —
John Hopkins Cancer Center Baltimore Maryland 21231 —
Tufts Medical Center Boston Massachusetts 02111 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Dana-Farber Cancer Institute Boston Massachusetts 02215 —
University of Michigan Comprehensive Cancer Center Ann Arbor Michigan 48109 —
Henry Ford Hospital Detroit Michigan 48202 —
Metro Minnesota Community Oncology Minneapolis Minnesota 55416 —
Mayo Comprehensive Cancer Rochester Minnesota 55905 —
Washington University School of Medicine St Louis Missouri 63110 —
Columbia University Medical Center New York New York 10032 —
Memorial Sloan Kettering Cancer Center New York New York 10065 —
Duke University Medical Center Durham North Carolina 27710 —
Ohio State University Comprehensive Cancer Center Columbus Ohio 43210 —
Oregon Health and Science University Portland Oregon 97239 —
University of Pennsylvania Philadelphia Pennsylvania 19104 —
University of Pittsburgh Hillman Cancer Center Pittsburgh Pennsylvania 15232 —
Medical University of South Carolina Charleston South Carolina 29425 —
Tennessee Oncology Nashville Tennessee 37203 —
Baylor University Medical Center Dallas Texas 75246 —
University of Texas Southwestern Medical Center Dallas Texas 75390 —
MD Anderson Cancer Center Houston Texas 77030 —
The University of Utah, Huntsman Cancer Hospital Salt Lake City Utah 84112 —
Seattle Cancer Care Alliance Seattle Washington 98109 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 44 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04164901, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 3, 2025 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04164901 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →