New depression pill shows promise in Late-Stage trial
NCT ID NCT06058039
First seen Jun 27, 2026 · Last updated Jul 07, 2026 · Updated 2 times
Summary
This study tests an experimental oral medication, NMRA-335140, against a placebo in 332 adults with major depressive disorder. The goal is to see if the drug reduces depression symptoms over 6 weeks. Participants are randomly assigned to receive either the drug or a placebo, and neither they nor their doctors know which they receive.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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422 people
The number who actually took part.
- Started
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Dec 2023
- Finished
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Jun 2026
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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.
Key Inclusion Criteria: * Have a primary Diagnostic and Statistical Manual of Mental Disorders Fifth Edition Text Revised (DSM-5-TR) diagnosis of MDD without psychotic features confirmed by Structured Clinical Interview for DSM 5 Disorders, Clinical Trials Version (SCID 5 CT) at screening (this may be a first or recurrent episode). * Participant's current major depressive episode must be confirmed by independent assessment. * The symptoms of the current MDD episode have been present for more than 4 weeks prior to the Screening Visit, but no longer than 12 months prior to the Screening Visit. * Have a MADRS total score of 25 or higher at Screening and Baseline. * A change in MADRS total score between Screening and Baseline of ≤20%. Key Exclusion Criteria: * Have failed 2 or more courses of antidepressant treatment at sufficient doses for at least 6 to 8 weeks for the current MDD episode. * Currently or in the past year have been diagnosed with a personality disorder per the DSM-5-TR or in the past 3 years have been diagnosed with any of the following DSM-5-TR disorders: anorexia nervosa, bulimia nervosa, or binge eating disorder. Participants with comorbid generalized anxiety disorder, social anxiety disorder, simple phobias, or panic disorder for whom MDD is considered the primary diagnosis are not excluded. * Have a lifetime diagnosis of bipolar 1 or 2, schizophrenia, schizoaffective, schizophreniform, obsessive compulsive disorder, or post-traumatic stress disorder (PTSD). * Have moderate to severe substance or alcohol use disorder, per DSM-5-TR criteria, within the 12 months prior to screening (excluding nicotine). * Are actively suicidal (eg, any suicide attempts within the past 12 months) or are at serious suicidal risk as indicated by any current suicidal intent, including a plan, as assessed by the Columbia Suicide Severity Rating Scale (C-SSRS) (score of "YES" on suicidal ideations Item 4 or 5 within 3 months prior to Visit 1 \[Screening\]) and/or based on clinical evaluation by the Investigator; or are homicidal, in the opinion of the Investigator. Participants who are currently hospitalized for MDD symptoms or suicidality are not allowed into the study. If there is a recent history (within 3 months of screening) of hospitalization due to MDD symptoms, the participant should be discussed with the Medical Monitor for eligibility.
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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.
Contacts and locations
Locations
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Neumora Investigator Site
Cerritos, California, 90703, United States
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Neumora Investigator Site
Irvine, California, 92614, United States
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Neumora Investigator Site
Long Beach, California, 90807, United States
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Neumora Investigator Site
San Diego, California, 92103, United States
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Neumora Investigator Site
San Francisco, California, 94107, United States
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Neumora Investigator Site
New Haven, Connecticut, 06520, United States
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Neumora Investigator Site
Brandon, Florida, 33511, United States
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Neumora Investigator Site
Hialeah, Florida, 33012, United States
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Neumora Investigator Site
Hialeah, Florida, 33016, United States
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Neumora Investigator Site
Jacksonville, Florida, 32256, United States
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Neumora Investigator Site
Miami, Florida, 33143, United States
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Neumora Investigator Site
Miami, Florida, 33165, United States
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Neumora Investigator Site
Miami Beach, Florida, 33140, United States
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Neumora Investigator Site
Palm Bay, Florida, 32905, United States
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Neumora Investigator Site
Pembroke Pines, Florida, 33024, United States
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Neumora Investigator Site
Pompano Beach, Florida, 33060, United States
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Neumora Investigator Site
Saint Augustine, Florida, 32086, United States
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Neumora Investigator Site
Atlanta, Georgia, 30328, United States
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Neumora Investigator Site
Decatur, Georgia, 30030, United States
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Neumora Investigator Site
Savannah, Georgia, 31405, United States
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Neumora Investigator Site
Springfield, Massachusetts, 01103, United States
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Neumora Investigator Site
St Louis, Missouri, 63141, United States
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Neumora Investigator Site
Omaha, Nebraska, 68112, United States
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Neumora Investigator Site
Berlin, New Jersey, 08009, United States
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Neumora Investigator Site
New York, New York, 10029, United States
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Neumora Investigator Site
New York, New York, 10036, United States
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Neumora Investigator Site
Staten Island, New York, 10310, United States
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Neumora Investigator Site
Charlotte, North Carolina, 28211, United States
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Neumora Investigator Site
Austin, Texas, 78759, United States
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Neumora Investigator Site
DeSoto, Texas, 75115, United States
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Neumora Investigator Site
Fort Worth, Texas, 76104, United States
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Neumora Investigator Site
Plano, Texas, 75093, United States
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Neumora Investigator Site
Cherven Bryag, Pleven, 5980, Bulgaria
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Neumora Investigator Site
Sofia, Sofia-Grad, 1408, Bulgaria
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Neumora Investigator Site
Sofia, Sofia-Grad, 1463, Bulgaria
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Neumora Investigator Site
Sofia, Sofia-Grad, 1680, Bulgaria
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Neumora Investigator Site
Kardzhali, 6600, Bulgaria
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Neumora Investigator Site
Pleven, 5800, Bulgaria
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Neumora Investigator Site
Targovishte, 7700, Bulgaria
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Neumora Investigator Site
Varna, 9020, Bulgaria
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Neumora Investigator Site
Pilsen, Plzen, 301 00, Czechia
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Neumora Investigator Site
Prague, Prague, 186 00, Czechia
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Neumora Investigator Site
Kladno, 272 01, Czechia
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Neumora Investigator Site
Prague, 109 00, Czechia
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Neumora Investigator Site
Helsinki, Etelä-Suomen Lääni, 00100, Finland
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Neumora Investigator Site
Turku, Etelä-Suomen Lääni, 20520, Finland
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Neumora Investigator Site
Oulu, Oulun Lääni, 90100, Finland
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Neumora Investigator Site
Clermont-Ferrand, Auvergne-Rhône-Alpes, 63000, France
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Neumora Investigator Site
Douai, Hauts-de-France, 59500, France
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Neumora Investigator Site
Montpellier, Hérault, 34295, France
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Neumora Investigator Site
Angers, Maine-et-Loire, 49100, France
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Neumora Investigator Site
La Roche-sur-Yon, Vendée, 85000, France
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Neumora Investigator Site
Poitiers, Vienne, 86000, France
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Neumora Investigator Site
Berlin, 10117, Germany
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Neumora Investigator Site
Berlin, 10629, Germany
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Neumora Investigator Site
Berlin, 13187, Germany
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Neumora Investigator Site
Hamburg, 20253, Germany
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Neumora Investigator Site
Suchy Las, Greater Poland Voivodeship, 62-002, Poland
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Neumora Investigator Site
Bydgoszcz, Kuyavian-Pomeranian Voivodeship, 85-133, Poland
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Neumora Investigator Site
Wroclaw, Lower Silesian Voivodeship, 50-414, Poland
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Neumora Investigator Site
Lublin, Lublin Voivodeship, 20-109, Poland
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Neumora Investigator Site
Lublin, Lublin Voivodeship, 20-582, Poland
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Neumora Investigator Site
Bialystok, Podlaskie Voivodeship, 15-879, Poland
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Neumora Investigator Site
Gdansk, Pomeranian Voivodeship, 80-438, Poland
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Neumora Investigator Site
Lund, Skåne County, 222 22, Sweden
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Neumora Investigator Site
Stockholm, Stockholm County, 113 29, Sweden
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Neumora Investigator Site #1
Varna, 9020, Bulgaria
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Neumora Investigator Site #1
Kladno, South Bohemian, 272 01, Czechia
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Neumora Investigator Site #1
Berlin, 10117, Germany
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Neumora Investigator site
Miami, Florida, 33174, United States
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Neumora Investigator site
Miami Springs, Florida, 33166, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can intense brain zaps lift depression? scientists track blood flow in real time
- Can an ancient herbal capsule boost antidepressant power?
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- Scientists probe brain's reward system in mental illness