{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Washout+%283+weeks%29",
    "query": {
      "intervention": "Washout (3 weeks)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 320,
    "total_pages": 32,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Washout+%283+weeks%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T07:20:21.858Z",
  "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": "NCT04270682",
      "title": "Study to Evaluate Patients With Cerebrotendinous Xanthomatosis (RESTORE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CTX"
      ],
      "interventions": [
        {
          "name": "Blinded CDCA 250 mg TID",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open-Label CDCA 250 mg TID",
          "type": "DRUG"
        },
        {
          "name": "Rescue Medication CDCA 250 mg TID",
          "type": "DRUG"
        },
        {
          "name": "CDCA Weight-Based Dose TID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mirum Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Month and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-01-31",
      "completion_date": "2023-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-10-28",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 9,
      "location_summary": "Aurora, Colorado • Orlando, Florida • Iowa City, Iowa + 5 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04270682"
    },
    {
      "nct_id": "NCT02403804",
      "title": "Dietary Supplementation to Increase Serum Choline Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Phosphatidylcholine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine (588 mg qam and 412 mg qpm)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine (1000 mg BID)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2015-04",
      "completion_date": "2015-09-29",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02403804"
    },
    {
      "nct_id": "NCT03376997",
      "title": "Study to Evaluate Bioavailability of a Single 12 mg Dose of Perampanel for Three Intravenous Infusion Durations Relative to a Single 12 mg Perampanel Oral Tablet in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Perampanel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 48,
      "start_date": "2017-11-08",
      "completion_date": "2018-02-16",
      "has_results": false,
      "last_update_posted_date": "2018-09-07",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 1,
      "location_summary": "Anaheim, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03376997"
    },
    {
      "nct_id": "NCT01183468",
      "title": "A Research Trial of Aralast in New Onset Diabetes (RETAIN)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "Aralast NP 45 mg dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aralast NP 90 mg dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aralast NP 180 mg dose",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "8 Years to 35 Years"
      },
      "enrollment_count": 17,
      "start_date": "2010-10",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2018-06-13",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 15,
      "location_summary": "San Diego, California • Aurora, Colorado • New Haven, Connecticut + 10 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01183468"
    },
    {
      "nct_id": "NCT01057615",
      "title": "Effect of Fish Oil and Vitamin C on Exercise-Induced Bronchoconstriction and Airway Inflammation in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fish Oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ascorbic Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fish Oil Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ascorbic Acid Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "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": 14,
      "start_date": "2010-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2011-01-31",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057615"
    },
    {
      "nct_id": "NCT02918266",
      "title": "TAK-071 Scopolamine-Induced Cognitive Impairment Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Scopolamine",
          "type": "DRUG"
        },
        {
          "name": "TAK-071",
          "type": "DRUG"
        },
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine Placebo",
          "type": "DRUG"
        },
        {
          "name": "TAK-071 Placebo",
          "type": "DRUG"
        },
        {
          "name": "Donepezil Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2016-11-21",
      "completion_date": "2017-08-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918266"
    },
    {
      "nct_id": "NCT06365723",
      "title": "Effects of Walking in Greenspace and the Built Environment in Adults With Prediabetes: A Randomized Crossover Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Heart Rate Variability (HRV)",
        "Stress and Anxiety",
        "Stress Biomarkers"
      ],
      "interventions": [
        {
          "name": "Nature-based Walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Built-environment/Commercial Walking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "25 Years to 64 Years"
      },
      "enrollment_count": 216,
      "start_date": "2024-06-06",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 3,
      "location_summary": "Lake Forest, Illinois • Winfield, Illinois • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Lake Forest",
          "state": "Illinois"
        },
        {
          "city": "Winfield",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06365723"
    },
    {
      "nct_id": "NCT00954096",
      "title": "Nicotine Patch, Blood Flow and Oxidative Stress Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "transdermal nicotine patch (7mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 55,
      "start_date": "2002-10",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2009-10-27",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00954096"
    },
    {
      "nct_id": "NCT03150407",
      "title": "Use of J3 Bioscience Lubricating Intravaginal Ring VR101 to Relieve the Symptoms of Vaginal Dryness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause Related Conditions",
        "Postmenopausal Symptoms"
      ],
      "interventions": [
        {
          "name": "VR101 Device (Efficacy)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Control Ring",
          "type": "OTHER"
        },
        {
          "name": "VR101 Device (Safety)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "J3 Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2017-05-01",
      "completion_date": "2017-11-30",
      "has_results": true,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 2,
      "location_summary": "Meridian, Idaho • West Jordan, Utah",
      "locations": [
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "West Jordan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03150407"
    },
    {
      "nct_id": "NCT02799784",
      "title": "An Efficacy Study of Umeclidinium/Vilanterol With Tiotropium/Olodaterol in COPD Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI",
          "type": "DRUG"
        },
        {
          "name": "TIO/OLO",
          "type": "DRUG"
        },
        {
          "name": "Albuterol/salbutamol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 236,
      "start_date": "2016-07-14",
      "completion_date": "2017-04-27",
      "has_results": true,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-09-19T07:20:21.858Z",
      "location_count": 9,
      "location_summary": "Clearwater, Florida • Orlando, Florida • St Louis, Missouri + 6 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Medford",
          "state": "Oregon"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02799784"
    }
  ]
}