CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 99 enrolled / 99 target
Drug / intervention
CLE-100 +1 moredrug
Likely dose
Not stated in 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/NCT06340958
NCT06340958Phase 2CompletedMonitor (3.6/mo)Completion was 12mo ago

A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Parallel-Design, Phase 2 Study to Assess the Efficacy and Safety of CLE-100 as an Adjunctive Treatment for Major Depressive Disorder Patients With Inadequate Response to Standard Antidepressants

Clexio Biosciences Ltd.·interventional·Posted Apr 2, 2024·Updated Jun 23, 2026

In Brief

A Phase 2 clinical trial evaluating CLE-100 and Placebo for Adjunctive Treatment of Major Depressive Disorder (MDD). Completed, enrolled 99 participants across 23 sites.

Signals

Enrolling slower than its timeline implies

Detailed Summary

The study is a Phase 2, double-blind, randomized, placebo-controlled study in Major Depressive Disorder (MDD) participants with an inadequate response to standard antidepressants The objective of the study is to assess CLE-100 (oral esketamine) for the treatment of MDD in participants currently treated with an oral antidepressant medication and who have an inadequate response to at least 2 antidepressants.

Study Details

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

Timeline

Phase 2CompletedFinished
20252026
First PostedApr 2, 2024
Enrollment StartMar 18, 2024
Primary CompletionJun 6, 2025
Study CompletionNov 25, 2025
TodayJul 2, 2026
Enrollment to primary: 1.2 yearsPosted 2.3 years ago

Arms & Interventions

CLE-100experimental

1 oral tablet of CLE-100 once daily (in addition to current anti-depressant drug) for 4 weeks

Drug: CLE-100
Placeboplacebo_comparator

1 oral tablet of Placebo once daily (in addition to current anti-depressant drug) for 4 weeks.

Drug: Placebo

Interventions

CLE-100drug

1 tablet of CLE-100 administered once daily

Placebodrug

1 tablet of placebo administered once daily