{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tasimelteon+Oral+Capsule",
    "query": {
      "intervention": "Tasimelteon Oral Capsule"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T05:34:41.362Z",
  "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": "NCT01637636",
      "title": "Pharmacokinetics of Tasimelteon Alone and in Combination With a CYP3A4 Inhibitor, Ketoconazole, or a CYP3A4 Inducer, Rifampin.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        },
        {
          "name": "Ketoconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 48,
      "start_date": "2012-06",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2014-02-17",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01637636"
    },
    {
      "nct_id": "NCT05361707",
      "title": "Evaluating the Effects of Tasimelteon in Individuals With Autism Spectrum Disorder (ASD) and Sleep Disturbances",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Sleep Disorder",
        "Neurological Disorder",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Tasimelteon Oral Capsule, Tasimelteon Liquid Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "2 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-07-28",
      "completion_date": "2025-07",
      "has_results": false,
      "last_update_posted_date": "2024-03-21",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 5,
      "location_summary": "San Jose, California • San Leandro, California • Santa Monica, California + 2 more",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "San Leandro",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05361707"
    },
    {
      "nct_id": "NCT04652882",
      "title": "Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sleep Wake Disorders",
        "Sleep Disorders, Circadian Rhythm",
        "Chronobiology Disorders"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 70,
      "start_date": "2020-12-09",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Redwood City, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04652882"
    },
    {
      "nct_id": "NCT03373201",
      "title": "Evaluating the Effects of Tasimelteon vs. Placebo on Jet Lag Type Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Jet Lag Type Insomnia"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 320,
      "start_date": "2017-10-16",
      "completion_date": "2018-03-05",
      "has_results": true,
      "last_update_posted_date": "2023-09-15",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 12,
      "location_summary": "Little Rock, Arkansas • Alameda, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Alameda",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Oakland Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03373201"
    },
    {
      "nct_id": "NCT02231008",
      "title": "Evaluating the Effects of Tasimelteon vs Placebo on Sleep Disturbances in SMS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smith-Magenis Syndrome",
        "Circadian"
      ],
      "interventions": [
        {
          "name": "tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "3 Years to 65 Years"
      },
      "enrollment_count": 49,
      "start_date": "2015-09",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-18",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 4,
      "location_summary": "Santa Monica, California • Baltimore, Maryland • Chevy Chase, Maryland + 1 more",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02231008"
    },
    {
      "nct_id": "NCT03291041",
      "title": "A Proof of Concept Study to Evaluate the Effects of Tasimelteon and Placebo in Travelers With Jet Lag Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Jet Lag Disorder"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2016-07",
      "completion_date": "2017-11",
      "has_results": true,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 3,
      "location_summary": "Alameda, California • Santa Monica, California • Chevy Chase, Maryland",
      "locations": [
        {
          "city": "Alameda",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03291041"
    },
    {
      "nct_id": "NCT05572281",
      "title": "Bioequivalence Study Between Tasimelteon Capsule Formulation and Liquid Suspension Formulation in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Tasimelteon Oral Capsule",
          "type": "DRUG"
        },
        {
          "name": "Tasimelteon Oral Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2022-05-18",
      "completion_date": "2022-06-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-21",
      "last_synced_at": "2026-09-26T05:34:41.362Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05572281"
    }
  ]
}