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ACP-211 Monoterapi for Major Depressiv Forstyrrelse med Utilstrækkeligt Antidepressivt Respons (NORLIGHT)

3. november 2026 opdateret af: ACADIA Pharmaceuticals Inc.

Et dobbeltblindt, placebokontrolleret, parallelgruppestudie af ACP-211-monoterapiens effekt og sikkerhed hos voksne med svær depression og utilstrækkelig respons på antidepressiv behandling

The goal of this clinical trial is to learn if ACP-211 can help treat adults with major depressive disorder (MDD) who have not improved with antidepressant therapy (ADT), including those with treatment resistant depression (TRD).

The main questions the study aims to answer are:

  • Does ACP-211 work better than a placebo (a look-alike capsule with no medicine) to reduce symptoms of depression?
  • What adverse events do participants have when taking ACP-211?

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

153

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Alabama
      • Birmingham, Alabama, Forenede Stater, 35294
        • Trukket tilbage
        • University of Alabama at Birmingham
    • California
      • Chino, California, Forenede Stater, 91710
        • Rekruttering
        • Inland Psychiatric Medical Group
      • Glendale, California, Forenede Stater, 91107
        • Rekruttering
        • Behavioral Research Specialists, LLC
      • La Jolla, California, Forenede Stater, 92037
        • Rekruttering
        • Kadima Neuropsychiatry Institute
      • Orange, California, Forenede Stater, 92866
        • Rekruttering
        • PNS Clinical Research LLC dba ATP Clinical Research
      • West Hills, California, Forenede Stater, 91307
        • Rekruttering
        • Focus Clinical Research, LLC d/b/a Alliance Clinical West Hills
    • Colorado
      • Denver, Colorado, Forenede Stater, 80209
        • Rekruttering
        • Mountain View Clinical Research
    • Florida
      • Fort Myers, Florida, Forenede Stater, 33901
        • Rekruttering
        • New Access Research and Medical Services, Inc.
      • Hollywood, Florida, Forenede Stater, 33021
        • Rekruttering
        • The Medici Medical Research
      • Largo, Florida, Forenede Stater, 33777
        • Trukket tilbage
        • Sandhill Research, LLC/DBA Accel Research Sites
      • Orlando, Florida, Forenede Stater, 32801
        • Rekruttering
        • Clinical Neuroscience Solutions, Inc.
      • Tampa, Florida, Forenede Stater, 33629
        • Rekruttering
        • IPTB Clinical Research
      • West Palm Beach, Florida, Forenede Stater, 33407
        • Rekruttering
        • Neuroscience Research Institute, Inc.
    • Massachusetts
      • Watertown, Massachusetts, Forenede Stater, 02472
        • Rekruttering
        • Adams Clinical, Inc.
      • Worcester, Massachusetts, Forenede Stater, 01608
        • Rekruttering
        • Vitalix Clinical, Inc.
    • Mississippi
      • Flowood, Mississippi, Forenede Stater, 39232
        • Rekruttering
        • Precise Research Centers
    • Missouri
      • Saint Charles, Missouri, Forenede Stater, 63304
        • Rekruttering
        • St. Charles Psychiatric Associates, Inc. dba Midwest Research Group
    • Nebraska
      • Lincoln, Nebraska, Forenede Stater, 68526
        • Rekruttering
        • Alivation Research, LLC
    • Nevada
      • Las Vegas, Nevada, Forenede Stater, 89134
        • Rekruttering
        • Redbird Research LLC
    • New Jersey
      • Marlton, New Jersey, Forenede Stater, 08053
        • Trukket tilbage
        • CenExel Hassman Research Institute, LLC
    • New York
      • Brooklyn, New York, Forenede Stater, 11229
        • Rekruttering
        • Integrative Clinical Trials LLC
    • North Carolina
      • Cary, North Carolina, Forenede Stater, 27511
        • Rekruttering
        • Magnolia Clinical Research, LLC
    • Ohio
      • North Canton, Ohio, Forenede Stater, 44720
        • Rekruttering
        • Neuro-Behavioral Clinical Research
    • Texas
      • Houston, Texas, Forenede Stater, 77030
        • Rekruttering
        • Baylor College of Medicine
      • Houston, Texas, Forenede Stater, 77081
        • Trukket tilbage
        • Dynamed Clinical Research LP d/b/a DM Clinical Research
      • Katy, Texas, Forenede Stater, 77450
        • Rekruttering
        • Olympus Clinical Research, LLC
      • The Woodlands, Texas, Forenede Stater, 77381
        • Rekruttering
        • Family Psychiatry of The Woodlands
    • Utah
      • Salt Lake City, Utah, Forenede Stater, 84105
        • Rekruttering
        • Aura Wellness

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Adults ≥18 and ≤65 years of age
  • Provides written informed consent
  • Clinical diagnosis of MDD
  • History of inadequate response to at least two antidepressants, with at least one inadequate response documented during the current episode
  • Currently treated with an approved antidepressant at a stable dose prior to Screening
  • MADRS total score ≥28, CGI-S score ≥4, and QIDS-SR16 score ≥14 at Screening and Baseline
  • Females of childbearing potential must have a negative pregnancy test and agree to use acceptable contraception; males must agree to use barrier protection and refrain from sperm donation

Exclusion Criteria:

  • Current diagnosis of certain personality disorders or persistent depressive disorder
  • Recent substance use disorders, excluding caffeine or nicotine
  • Active suicidal risk or recent suicidal attempt
  • History of schizophrenia, psychotic disorders, bipolar disorder, or MDD with psychotic features
  • Current treatment requirement for PTSD, acute stress disorder, panic disorder, or OCD
  • History of neuroleptic malignant syndrome, serotonin syndrome, or epilepsy (except single febrile seizure in infancy)
  • Allergy or sensitivity to ketamine or esketamine
  • Significant cardiovascular disease
  • Positive history of hepatitis B, hepatitis C, or HIV infection
  • Unstable diabetes or uncontrolled medical conditions
  • Positive urine drug test for an illicit drug or cannabis
  • Received neuromodulation therapies (ECT, TMS, VNS, DBS) in the current depressive episode
  • Recent initiation or change in psychotherapy

Additional inclusion/exclusion criteria apply. Participants will be evaluated at Screening to ensure that all criteria for study participation are met.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: ACP-211 600 mg

ACP-211 600 mg, administered orally twice weekly

ACP-211 monotherapy

Eksperimentel: ACP-211 300 mg

ACP-211 300 mg, administered orally twice weekly

ACP-211 monotherapy

Placebo komparator: Placebo

Matching placebo, administered orally twice weekly

Placebo control

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score at Day 28
Tidsramme: Baseline and Day 28

The MADRS is a clinician-rated scale that assesses the severity of depressive symptoms. It consists of 10 items, each scored from 0 (no symptoms) to 6 (severe symptoms), resulting in a total score range of 0 to 60. Higher scores indicate greater depression severity.

Baseline and Day 28

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in MADRS Total Score at Scheduled Postbaseline Visits
Tidsramme: Baseline through Day 28
Baseline through Day 28
Proportion of Subjects in Remission at Scheduled Postbaseline Visits (MADRS ≤10)
Tidsramme: Up to Day 28
Up to Day 28
Proportion of Subjects With Response at Scheduled Postbaseline Visits (≥50% Reduction From Baseline in MADRS Total Score)
Tidsramme: Up to Day 28
Up to Day 28
Change From Baseline in MADRS Total Score at Day 2
Tidsramme: Baseline and Day 2 (24 hours postdose)

The MADRS is a clinician-rated scale that assesses the severity of depressive symptoms. It consists of 10 items, each scored from 0 (no symptoms) to 6 (severe symptoms), resulting in a total score range of 0 to 60. Higher scores indicate greater depression severity.

Baseline and Day 2 (24 hours postdose)
Change From Baseline in Clinical Global Impression-Severity (CGI-S) Score at Scheduled Postbaseline Visits
Tidsramme: Baseline through Day 28

The CGI-S is a clinician-rated assessment of illness severity scored on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill). Higher scores indicate greater illness severity.

Baseline through Day 28
Proportion of Subjects With Sustained Response From Day 2 Through Day 28
Tidsramme: Day 2 through Day 28

Subjects achieving sustained response, defined as a ≥50% reduction from Baseline in MADRS total score, with onset by Day 2 and maintained through the end of the double-blind treatment period.

Day 2 through Day 28
Proportion of Subjects With Clinical Global Impression of Improvement (CGI-I) Score of 1 or 2 at Scheduled Postbaseline Visits
Tidsramme: Up to Day 28

The CGI-I is a clinician-rated assessment of change in illness relative to Baseline. Scores range from 1 (very much improved) to 7 (very much worse). This outcome evaluates subjects with a score of 1 (very much improved) or 2 (much improved).

Up to Day 28

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

14. november 2025

Primær færdiggørelse (Anslået)

1. august 2027

Studieafslutning (Anslået)

1. september 2027

Datoer for studieregistrering

Først indsendt

9. december 2025

Først indsendt, der opfyldte QC-kriterier

9. december 2025

Først opslået (Faktiske)

16. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

5. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • ACP-211-002

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .