{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fear+Extinction&page=2",
    "query": {
      "condition": "Fear Extinction",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fear+Extinction&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T19:01:16.698Z",
  "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": "NCT03465137",
      "title": "Using the Neuroscience of Fear Extinction for Anxiety Reduction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Anxiety"
      ],
      "interventions": [
        {
          "name": "Coordinated Anxiety Learning and Management (CALM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "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": 32,
      "start_date": "2018-01-14",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-10-08",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03465137"
    },
    {
      "nct_id": "NCT02467374",
      "title": "Fear Extinction and Mechanisms of Change in Obsessive Compulsive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Behavior Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 54,
      "start_date": "2014-12",
      "completion_date": "2019-07-22",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02467374"
    },
    {
      "nct_id": "NCT02673606",
      "title": "Impact of Estrogen on Fear Extinction R61",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fear",
        "Fear; Examination, Phobic"
      ],
      "interventions": [
        {
          "name": "Estradiol 2Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Estradiol 4Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Pills",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 136,
      "start_date": "2013-01",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02673606"
    },
    {
      "nct_id": "NCT04565041",
      "title": "Social Support and Enhanced Fear Extinction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fear",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Social Support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 100,
      "start_date": "2022-02-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04565041"
    },
    {
      "nct_id": "NCT01090180",
      "title": "Extinction of Fear Memories With Glucocorticoids in Veterans With PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo (sugar pill)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 129,
      "start_date": "2010-04",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2016-11-25",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01090180"
    },
    {
      "nct_id": "NCT05521074",
      "title": "Transcranial Direct Current Stimulation Potentiation of Fear Extinction in OCD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Active tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 86,
      "start_date": "2022-09-15",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05521074"
    },
    {
      "nct_id": "NCT04880278",
      "title": "Multimodal Assessment of Cannabinoid Target Engagement in Adults With Obsessive-Compulsive Disorder",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Nabilone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-03-01",
      "completion_date": "2024-05-08",
      "has_results": false,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04880278"
    },
    {
      "nct_id": "NCT06132425",
      "title": "Reward Processes and Rehearsal in Exposure Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorders",
        "Public Speaking Fear"
      ],
      "interventions": [
        {
          "name": "Exposure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Rehearsal",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2023-04-18",
      "completion_date": "2023-12-12",
      "has_results": true,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06132425"
    },
    {
      "nct_id": "NCT05203731",
      "title": "Level of Physical Activity and Fear Learning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Generalized Anxiety Disorder",
        "Social Anxiety Disorder",
        "Panic Disorder"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sitting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 54,
      "start_date": "2023-01-31",
      "completion_date": "2025-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05203731"
    },
    {
      "nct_id": "NCT02792153",
      "title": "Estradiol and Fear Extinction in Anorexia Nervosa (AN)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anorexia Nervosa"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-12",
      "completion_date": "2018-08-22",
      "has_results": false,
      "last_update_posted_date": "2018-08-24",
      "last_synced_at": "2026-07-23T19:01:16.698Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02792153"
    }
  ]
}