{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Anhedonia",
    "query": {
      "condition": "Anhedonia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 84,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Anhedonia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:55:34.719Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05084924",
      "title": "Investigating the Causal Role of Prefrontal Control in Decision-making in Patients With Anhedonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "Cross-frequency transcranial alternating current stimulation via the NeuroConn Direct Current Stimulator Plus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2021-11-02",
      "completion_date": "2023-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-25",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05084924"
    },
    {
      "nct_id": "NCT00525837",
      "title": "Study of Mood Effects of Varenicline (Chantix) in Depressed Outpatient Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Disorder",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "fixed dose varenicline",
          "type": "DRUG"
        },
        {
          "name": "varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Butler Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2007-09",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2018-11-28",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00525837"
    },
    {
      "nct_id": "NCT02218775",
      "title": "FASTMAS (Fast-Fail Trials in Mood and Anxiety Spectrum Disorders) Kappa Opioid Receptor Phase 1 Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anxiety Disorders"
      ],
      "interventions": [
        {
          "name": "LY2456302",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrew Krystal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2014-10",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02218775"
    },
    {
      "nct_id": "NCT03715400",
      "title": "Mobile Virtual Positive Experiences for Anhedonia",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anhedonia",
        "Virtual Reality",
        "Depression",
        "Mood Disorders",
        "Stress",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Positive Virtual Reality Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 74,
      "start_date": "2018-09-01",
      "completion_date": "2021-01-01",
      "has_results": false,
      "last_update_posted_date": "2020-12-11",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03715400"
    },
    {
      "nct_id": "NCT07386730",
      "title": "A Study of Psychedelics in Healthy Older Adults With Low Well-being",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anhedonia in Healthy Volunteers",
        "Older Adults (50-90 Years)"
      ],
      "interventions": [
        {
          "name": "Psilocybin (drug)",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan (DXM)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jennifer Mitchell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-06-01",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07386730"
    },
    {
      "nct_id": "NCT05617898",
      "title": "Determining the Role of Social Reward Learning in Social Anhedonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychosis"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrition Didactic Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 152,
      "start_date": "2023-06-14",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Los Angeles, California",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05617898"
    },
    {
      "nct_id": "NCT02874534",
      "title": "Development of a Novel Transdiagnostic Intervention for Anhedonia - R61 Phase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "Behavioral Activation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 57,
      "start_date": "2017-06-22",
      "completion_date": "2019-07-31",
      "has_results": true,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02874534"
    },
    {
      "nct_id": "NCT07467473",
      "title": "Causal Role of Rostromedial Prefrontal Cortex for Positive Savoring in Depression",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Rostromedial Prefrontal Cortex - Accelerated Intermittent Theta Burst",
        "Left Dorsolateral Prefrontal Cortex - Accelerated Intermittent Theta Burst",
        "Left Primary Somatosensory Cortex - Accelerated Intermittent Theta Burst"
      ],
      "interventions": [
        {
          "name": "Accelerated Intermittent Theta Burst Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": "2026-03-23",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07467473"
    },
    {
      "nct_id": "NCT06391593",
      "title": "PD, PK, and Safety of ALTO-203 in Patients With MDD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "ALTO-203 25 μg",
          "type": "DRUG"
        },
        {
          "name": "ALTO-203 75 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alto Neuroscience",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "25 Years to 64 Years"
      },
      "enrollment_count": 69,
      "start_date": "2024-03-25",
      "completion_date": "2025-04-21",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Oceanside, California • Torrance, California + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Clermont",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06391593"
    },
    {
      "nct_id": "NCT03243552",
      "title": "Proof of Mechanism Study for the Treatment of Social Anhedonia in ASD",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "ASD"
      ],
      "interventions": [
        {
          "name": "L-DOPA versus Placebo",
          "type": "DRUG"
        },
        {
          "name": "Social Skills Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "13 Years to 30 Years"
      },
      "enrollment_count": 56,
      "start_date": "2017-06-01",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-05-21T22:55:34.719Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03243552"
    }
  ]
}