RecruitingPhase 2NCT07276997

A Study to Assess Change in Disease Activity and Adverse Events of Oral Icalcaprant in Adult Participants With Major Depressive Disorder

A Phase 2, Multicenter, 6-Week, Double Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Icalcaprant in Subjects With Major Depressive Disorder


Sponsor

AbbVie

Enrollment

195 participants

Start Date

Dec 18, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

Major depressive disorder (MDD; depression) is a mood disorder that causes a continued feeling of sadness and loss of interest. It is a common and serious illness that can cause both emotional and physical symptoms such as feelings of sadness, irritability, not being able to focus on activities, tiredness, changes in eating habits, and aches and pains. This study will assess the changes in disease activity and adverse events of oral Icalcaprant in adult participants with major depressive disorder who are currently experiencing a major depressive episode (MDE). Icalcaprant is an investigational drug being developed for the treatment of depressive episodes in adult participants with major depressive disorder. Participants are placed in 1 of 3 groups, called treatment arms. There is a 1 in 3 chance that a participant will be assigned to placebo treatment. Around 195 adult participant with major depressive disorder will be enrolled in approximately 35 sites in North America. Participants will receive oral capsules of Icalcaprant or matching placebo once daily for 6 weeks, with a 30-day safety follow-up. There may be a higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.


Eligibility

Min Age: 18 YearsMax Age: 65 Years

Plain Language Summary

Simplified for easier understanding

This trial is testing a new oral medication called icalcaprant for adults with major depressive disorder (MDD) — clinical depression — to see if it reduces depressive symptoms and is safe to use. **You may be eligible if...** - You are an adult diagnosed with major depressive disorder without psychotic features - You are currently in a depressive episode that started at least 4 weeks ago (and no longer than 6 months ago) - Your BMI is between 18 and 35 - Your physical exam, lab tests, and ECG are normal or not significantly abnormal **You may NOT be eligible if...** - You have already tried 3 or more antidepressants at adequate doses and durations during this episode without meaningful response - You have a known allergy or sensitivity to icalcaprant or related drugs Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DRUGIcalcaprant

Oral Capsules

DRUGPlacebo for Icalcaprant

Oral Capsules


Locations(31)

Harmonex /ID# 277517

Dothan, Alabama, United States

Ima Clinical Research Phoenix (Alea) /ID# 277516

Phoenix, Arizona, United States

Preferred Research Partner, Inc /ID# 279206

Little Rock, Arkansas, United States

Woodland International Research Group /ID# 277605

Little Rock, Arkansas, United States

Advanced Research Center /ID# 277537

Anaheim, California, United States

Sun Valley Research Center /ID# 277513

Imperial, California, United States

Synergy San Diego /ID# 277553

Lemon Grove, California, United States

CenExel CNR /ID# 277533

Sherman Oaks, California, United States

Inland Psychiatric Medical Group Inc. /ID# 279275

Temecula, California, United States

Sunwise Clinical Research /ID# 277555

Walnut Creek, California, United States

CenExcel Clinical Research - Main Facility /ID# 278200

Hollywood, Florida, United States

Cns Healthcare - Jacksonville /ID# 277658

Jacksonville, Florida, United States

GMI Florida - Central Miami Medical Institute /ID# 278218

Miami, Florida, United States

Clinical Neuroscience Solutions - Orlando - East South Street /ID# 277558

Orlando, Florida, United States

EquiPath Health & Research Tampa Bay, LLC /ID# 279128

Riverview, Florida, United States

Trialmed /ID# 277601

Atlanta, Georgia, United States

Flourish Research - Great Lakes Clinical Trials /ID# 278201

Chicago, Illinois, United States

Amr Conventions Research /ID# 277547

Warrenville, Illinois, United States

Redbird Research /ID# 277485

Las Vegas, Nevada, United States

Ima Clinical Research - Manhattan /ID# 278212

New York, New York, United States

Manhattan Behavioral Medicine /ID# 277910

New York, New York, United States

Quest Therapeutics of Avon /ID# 277550

Avon Lake, Ohio, United States

OSU Psychiatry Department /ID# 277529

Columbus, Ohio, United States

Sooner Clinical Research /ID# 277659

Oklahoma City, Oklahoma, United States

CNS Healthcare - Memphis /ID# 278192

Memphis, Tennessee, United States

Austin Clinical Trial Partners /ID# 279321

Austin, Texas, United States

Community Clinical Research - Austin - Cross Park Drive /ID# 277935

Austin, Texas, United States

Houston Clinical Trials - Bellaire /ID# 277551

Bellaire, Texas, United States

Pillar Clinical Research - Richardson /ID# 276764

Richardson, Texas, United States

Northwest Clinical Research Center /ID# 277484

Bellevue, Washington, United States

Core Clinical Research /ID# 277518

Everett, Washington, United States

View Full Details on ClinicalTrials.gov

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NCT07276997


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