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Antidepressant medication

Phase 3

Depression | Small molecule | Psychiatry |Harvard Bioscience, Inc.|Last Updated: Nov 5, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDDMC
Total Trials1
Total Enrollment1,500
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05944926Improving Outcomes in Depression in Primary Care in a Low Resource SettingPHASE3 RECRUITING 1,500Mar 18, 2024Mar 31, 2027Nov 5, 20251 India
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Study Endpoints
Primary Endpoints
Depression remission
3 months post recruitment

Remission is defined as PHQ-9 total score \< 5. The PHQ-9 is a self-report measure of depressive symptoms in the prior 2 weeks. Items are rated on a 4-point Likert scale from 0 (not at all) to 3 (nearly every day), with total scores ranging from 0 to 27, where higher scores indicate more severe depressive symptoms. We will dichotomised the total score using the cut-off score of 5.

Secondary Endpoints
Cost-effectiveness of optimization
3-, 6-, 9-, 12-months post recruitment
Depression severity, as measured by the Patient Health Questionnaire-9 (PHQ-9)
3-, 6-, 9-, 12-months post recruitment
Generalized Anxiety Disorder Assessment (GAD-7)
3-, 6-, 9-, 12-months post recruitment
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeHEALTH_SERVICES_RESEARCH
Treatment Arms
ArmTypeDescription
Healthy Activity Program (HAP)EXPERIMENTALHAP is a brief psychological treatment adapted from behavioral activation therapy, an empirically supported psychological treatment recommended by WHO.
Antidepressant medication (fluoxetine)EXPERIMENTALFluoxetine is a selective serotonin reuptake inhibitors (SSRIs) and one of the safest medications used to treat depression. It is a routinely used medication and part of the Essential Drug List (EDL) in India.
Interventions
NameTypeDescription
Healthy Activity Program (HAP)BEHAVIORALHAP, delivered over 6-8 sessions by non-specialist healthcare workers, has behavioural activation as the core psychological strategy along with other strategies such as problem-solving and activation of social networks.
Antidepressant medication (fluoxetine)DRUGPatients assigned to antidepressant medication will start on fluoxetine 20 mg/day and can be raised to 40 mg/day (the maximum mandated by treatment guidelines for primary care in India) at week 3 or 6 for patients who have yet to remit. Participants who do not tolerate fluoxetine can be switched to escitalopram at week 6 (10mg which can be titrated up to 20 mg).
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Participants will be adults aged 18 or over of any gender attending one of the selected Primary Health Care Centers with a "diagnosis" of moderate to severe depression based on scores of 10 or above on the Patient Health Questionnaire-9 (PHQ-9). Exclusion Criteria: 1. Women ...

Countries:India
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT05944926studyFirstPostDate: changed