CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 439 enrolled
Drug / intervention
Itacitinib +3 moredrug
Likely dose
Prednisone 2 mg/kgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

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

Search/NCT03139604
NCT03139604Phase 3Completed

GRAVITAS-301: A Randomized, Double-Blind, Placebo-Controlled Phase 3 Study of Itacitinib or Placebo in Combination With Corticosteroids for the Treatment of First-Line Acute Graft-Versus-Host Disease

Incyte Corporation·interventional·Posted May 4, 2017·Updated Sep 2, 2025

In Brief

A Phase 3 clinical trial evaluating Itacitinib, Placebo, and 2 other interventions for Graft-versus-host Disease (GVHD). Completed, enrolled 439 participants across 129 sites in 19 countries.

Detailed Summary

The purpose of this study is to evaluate itacitinib or placebo in combination with corticosteroids as first-line treatment of participants with Grade II to IV acute graft-versus-host disease (aGVHD).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Austria, Belgium, Czechia, Finland, France, Germany, Greece, Israel, Italy, New Zealand, Poland, Portugal, South Korea, Spain, Switzerland, Taiwan, United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
201820192020202120222023202420252026
First PostedMay 4, 2017
Enrollment StartJul 19, 2017
Primary CompletionMay 2, 2019
Study CompletionJul 13, 2020
TodayJul 2, 2026
Enrollment to primary: 1.8 yearsPosted 9.2 years ago

Interventions

Itacitinibdrug

Itacitinib at the protocol-defined dose administered orally once daily (QD) plus corticosteroids.

Placebodrug

Matching placebo tablets administered orally once daily (QD) plus corticosteroids.

Prednisonedrug

Oral prednisone may be used to begin standard corticosteroid background treatment at the investigator's discretion, at a dose equivalent to methylprednisolone 2 mg/kg per day.

Methylprednisolonedrug

Methylprednisolone 2 mg/kg IV daily (or prednisone equivalent) or at a dose appropriate for the severity of disease as background treatment.