CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 477 enrolled
Drug / intervention
Esketamine 56 mg +2 moredrug
Likely dose
Esketamine 56 mgfrom 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/NCT04599855
NCT04599855Phase 4Completed

A Randomized, Double-blind, Multicenter, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Esketamine Nasal Spray, Administered as Monotherapy, in Adult Participants With Treatment-resistant Depression

Janssen Research & Development, LLC·interventional·Posted Oct 23, 2020·Updated Apr 25, 2025

In Brief

A Phase 4 clinical trial evaluating Esketamine 56 mg, Esketamine 84 mg, and 1 other intervention for Depressive Disorder, Treatment-Resistant. Completed, enrolled 477 participants across 54 sites.

Detailed Summary

The purpose of this study is to evaluate the efficacy of each individual dose of esketamine nasal spray, 56 milligram (mg) and 84 mg, compared with placebo nasal spray in improving depressive symptoms in participants with treatment resistant depression (TRD), as assessed by the change from baseline in the Montgomery-Asberg Depression Rating Scale (MADRS) total score from Day 1 (prerandomization) to the end of the 4 week double-blind treatment phase (Day 28).

Study Details

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

Timeline

Phase 4CompletedFinished
202120222023202420252026
First PostedOct 23, 2020
Enrollment StartNov 4, 2020
Primary CompletionJan 31, 2024
TodayJul 2, 2026
Enrollment to primary: 3.2 yearsPosted 5.7 years ago

Interventions

Esketamine 56 mgdrug

Esketamine 56 mg will be self administered as nasal spray.

Esketamine 84 mgdrug

Esketamine 84 mg will be self administered as nasal spray.

Placebodrug

Matching placebo will be self administered as nasal spray.