New depression pill icalcaprant enters Mid-Stage trial
NCT ID NCT07276997
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests an experimental drug, icalcaprant, for adults with major depressive disorder who are currently having a depressive episode. About 195 participants will take either the drug or a placebo daily for 6 weeks. Researchers will measure changes in depression symptoms and watch for side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
About 195 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Dec 2025
- Expected to finish
-
Sep 2027
An estimate. End dates often move.
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 65 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participants with a diagnosis of major depressive disorder (MDD) according to the Diagnostic and Statistical Manual of Mental Disorders, fifth edition, text revision (DSM-5-TR) without psychotic features, confirmed by the Mini International Neuropsychiatric Interview (MINI) 7.0. * Body Mass Index (BMI) is ≥ 18.0 to ≤ 35.0 kg/m\^2 * Currently experiencing an major depressive episode (MDE) beginning at least 4 weeks prior to consent and not exceeding 6 months prior to Screening * Normal physical examination findings, clinical laboratory test results, vital signs, and 12-lead ECG results at Visit 1 or abnormal results that are judged not clinically significant by the investigator and documented as such in the eCRF. Exclusion Criteria: * Has failed (no more than 25% response on Antidepressant Treatment History Questionnaire (ATRQ)) 3 or more antidepressant treatments during the current depressive episode despite an adequate dose (per ATRQ) and duration (at least 6 weeks). * History of an allergic reaction or significant sensitivity to constituents of the study drug (and its excipients) and/or other products in the same class.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Major depressive disorder are added.
Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
The places running it
33 sites. The list below names each one and where it is.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
-
Accellacare - Long Beach /ID# 279181
RECRUITINGLong Beach, California, 90807, United States
-
Advanced Research Center /ID# 277537
RECRUITINGAnaheim, California, 92805, United States
-
Amr Conventions Research /ID# 277547
RECRUITINGWarrenville, Illinois, 60555, United States
-
Austin Clinical Trial Partners /ID# 279321
RECRUITINGAustin, Texas, 78737, United States
-
CenExel CNR /ID# 277533
RECRUITINGSherman Oaks, California, 91403, United States
-
CenExel Hollywood FL /ID# 278200
RECRUITINGHollywood, Florida, 33024, United States
-
Clinical Neuroscience Solutions - Orlando - East South Street /ID# 277558
RECRUITINGOrlando, Florida, 32801, United States
-
Clinical Neuroscience Solutions /ID# 278192
RECRUITINGMemphis, Tennessee, 38119, United States
-
Cns Healthcare - Jacksonville /ID# 277658
RECRUITINGJacksonville, Florida, 32256, United States
-
Community Clinical Research - Cross Park Drive /ID# 277935
RECRUITINGAustin, Texas, 78754, United States
-
Core Clinical Research /ID# 277518
RECRUITINGEverett, Washington, 98201, United States
-
EquiPath Health & Research Tampa Bay, LLC /ID# 279128
RECRUITINGRiverview, Florida, 33578, United States
-
Evergreen Clinical Trials - Norcross /ID# 279421
RECRUITINGNorcross, Georgia, 30092, United States
-
Flourish Research - Great Lakes Clinical Trials /ID# 278201
RECRUITINGChicago, Illinois, 60640, United States
-
GMI Florida - Central Miami Medical Institute /ID# 278218
RECRUITINGMiami, Florida, 33125, United States
-
Harmonex /ID# 277517
RECRUITINGDothan, Alabama, 36303, United States
-
Houston Clinical Trials - Bellaire /ID# 277551
RECRUITINGBellaire, Texas, 77401, United States
-
Ima Clinical Research - Manhattan /ID# 278212
RECRUITINGNew York, New York, 10036, United States
-
Ima Clinical Research Phoenix (Alea) /ID# 277516
RECRUITINGPhoenix, Arizona, 85012, United States
-
Inland Psychiatric Medical Group /ID# 279275
RECRUITINGTemecula, California, 92591, United States
-
Manhattan Behavioral Medicine /ID# 277910
RECRUITINGNew York, New York, 10036, United States
-
Northwest Clinical Research Center /ID# 277484
RECRUITINGBellevue, Washington, 98007, United States
-
OSU Psychiatry Department /ID# 277529
RECRUITINGColumbus, Ohio, 43210-1250, United States
-
Pillar Clinical Research - Richardson /ID# 276764
RECRUITINGRichardson, Texas, 75080, United States
-
Preferred Research Partners /ID# 279206
RECRUITINGLittle Rock, Arkansas, 72211, United States
-
Quest Therapeutics of Avon /ID# 277550
RECRUITINGAvon Lake, Ohio, 44012-1004, United States
-
Redbird Research /ID# 277485
RECRUITINGLas Vegas, Nevada, 89119, United States
-
Sooner Clinical Research /ID# 277659
RECRUITINGOklahoma City, Oklahoma, 73116, United States
-
Sun Valley Research Center /ID# 277513
RECRUITINGImperial, California, 92251, United States
-
Sunwise Clinical Research /ID# 277555
RECRUITINGWalnut Creek, California, 94596, United States
-
Synergy San Diego /ID# 277553
RECRUITINGLemon Grove, California, 91945, United States
-
Trialmed /ID# 277601
RECRUITINGAtlanta, Georgia, 30328, United States
-
Woodland International Research Group /ID# 277605
RECRUITINGLittle Rock, Arkansas, 72211, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can an antipsychotic restore feelings in people with depression?
- Can intense brain zaps lift depression? scientists track blood flow in real time
- Can an ancient herbal capsule boost antidepressant power?
- Can talk therapy keep Esketamine's relief going?
- Can brisk walking boost antidepressant results?
- Scientists probe brain's reward system in mental illness