{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Suvorexant+Placebo",
    "query": {
      "intervention": "Suvorexant Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Suvorexant+Placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T17:19:55.583Z",
  "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": "NCT02684136",
      "title": "Suvorexant in Insomnia Co-morbid With Fibromyalgia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Insomnia",
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "suvorexant",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 65 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2016-02-01",
      "completion_date": "2018-07-01",
      "has_results": true,
      "last_update_posted_date": "2021-06-16",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684136"
    },
    {
      "nct_id": "NCT05546515",
      "title": "Suvorexant for Opioid/Stimulant Co-use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Stimulant Use Disorder"
      ],
      "interventions": [
        {
          "name": "Suvorexant (dual orexin receptor antagonist)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins 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": 20,
      "start_date": "2022-12-01",
      "completion_date": "2024-11-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05546515"
    },
    {
      "nct_id": "NCT04287062",
      "title": "Examining the Role of the Orexin System in Sleep and Stress in Persons With Opioid Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 138,
      "start_date": "2020-11-20",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 5,
      "location_summary": "Baltimore, Maryland • Bel Air, Maryland • Elkton, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bel Air",
          "state": "Maryland"
        },
        {
          "city": "Elkton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04287062"
    },
    {
      "nct_id": "NCT03818581",
      "title": "Suvorexant on Sleep Disturbance in Patients With Chronic Insomnia and Suboptimally Controlled Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Insomnia",
        "Sleep Disorder",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 108,
      "start_date": "2019-03-15",
      "completion_date": "2021-11-03",
      "has_results": true,
      "last_update_posted_date": "2024-08-20",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03818581"
    },
    {
      "nct_id": "NCT02704754",
      "title": "Suvorexant and Trauma Related Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Insomnia",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "suvorexant",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Howard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 41,
      "start_date": "2016-05-01",
      "completion_date": "2021-04-30",
      "has_results": true,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02704754"
    },
    {
      "nct_id": "NCT02491788",
      "title": "Examination of the Effectiveness of Suvorexant in Improving Daytime Sleep in Shift Workers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep Disorder, Shift-Work"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Palo Alto Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 19,
      "start_date": "2016-02-01",
      "completion_date": "2019-08-01",
      "has_results": true,
      "last_update_posted_date": "2020-07-01",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02491788"
    },
    {
      "nct_id": "NCT04014387",
      "title": "Treatment of Disturbed Sleep in Progressive Supranuclear Palsy (PSP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Progressive Supranuclear Palsy(PSP)",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Zolpidem",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-06-02",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04014387"
    },
    {
      "nct_id": "NCT06326684",
      "title": "Suvorexant and Alcohol",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Alcohol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Suvorexant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "William Stoops",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-06-07",
      "completion_date": "2027-03-15",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06326684"
    },
    {
      "nct_id": "NCT04229095",
      "title": "Medication Development in Alcoholism: Suvorexant Versus Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder (AUD)"
      ],
      "interventions": [
        {
          "name": "Suvorexant 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Scripps Research Institute",
      "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": 26,
      "start_date": "2021-11-17",
      "completion_date": "2022-11-08",
      "has_results": true,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04229095"
    },
    {
      "nct_id": "NCT05593653",
      "title": "Treating Insomnia and Improving Metabolic Health in Midlife Women With Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Insomnia",
        "Metabolic Health",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2023-01-06",
      "completion_date": "2025-10-24",
      "has_results": true,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-19T17:19:55.583Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593653"
    }
  ]
}