{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=30",
    "query": {
      "intervention": "Crossover",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 4590,
    "total_pages": 459,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T08:51:38.819Z",
  "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": "NCT00453687",
      "title": "A Single Centre Randomized Study Evaluating The Safety And Tolerability Of GSK233705 In Healthy Volunteers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "GSK233705",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 12,
      "start_date": "2007-03-09",
      "completion_date": "2007-05-16",
      "has_results": false,
      "last_update_posted_date": "2017-08-07",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00453687"
    },
    {
      "nct_id": "NCT05527652",
      "title": "Self-Supporting Nasopharyngeal Airway (ssNPA) Treating Upper Airway Obstruction in Hypotonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Hypertonia, Muscle",
        "Nasal Airway Obstruction",
        "Tolerance",
        "Trisomy 21",
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Self-Supporting Nasopharyngeal Airway (ssNPA)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-11-16",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05527652"
    },
    {
      "nct_id": "NCT04789174",
      "title": "Solriamfetol's Effect on Cognitive Health in Apnea Participants During a Randomized Placebo-controlled Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Excessive Daytime Sleepiness",
        "Obstructive Sleep Apnea",
        "Impaired Cognitive Function"
      ],
      "interventions": [
        {
          "name": "Solriamfetol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Axsome Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 59,
      "start_date": "2021-05-17",
      "completion_date": "2022-09-19",
      "has_results": true,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Santa Ana, California • Jacksonville, Florida + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04789174"
    },
    {
      "nct_id": "NCT04877093",
      "title": "Repurposing Low-Dose Clonidine for PTSD in Veterans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PTSD",
        "Posttraumatic Stress Disorder",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Clonidine Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2023-06-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Wauwatosa, Wisconsin",
      "locations": [
        {
          "city": "Wauwatosa",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04877093"
    },
    {
      "nct_id": "NCT00584376",
      "title": "Pregabalin (Lyrica) for the Treatment of Essential Tremor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Essential Tremor"
      ],
      "interventions": [
        {
          "name": "Pregabalin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 29,
      "start_date": "2007-12",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2012-06-18",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Tampa, Florida • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00584376"
    },
    {
      "nct_id": "NCT04019652",
      "title": "The Effect of CS-3150 Exposure on Corrected QT (QTc) Interval Duration in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension",
        "Mineralocorticoid Receptor Antagonist"
      ],
      "interventions": [
        {
          "name": "CS-3150",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching moxifloxacin tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching CS-3150",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "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": "2015-11-19",
      "completion_date": "2015-12-23",
      "has_results": false,
      "last_update_posted_date": "2019-07-15",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019652"
    },
    {
      "nct_id": "NCT02910635",
      "title": "A Study to Evaluate the Effect of Volanesorsen on Cardiac Repolarization Conducted in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Abnormalities, Cardiovascular"
      ],
      "interventions": [
        {
          "name": "Volanesorsen",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "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": 52,
      "start_date": "2016-09-19",
      "completion_date": "2016-12-20",
      "has_results": false,
      "last_update_posted_date": "2022-01-28",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02910635"
    },
    {
      "nct_id": "NCT01289509",
      "title": "A Study to Evaluate the Relative Bioavailability and Intra-Subject Variability of Two Lots of E5501 40 mg Tablets Administered Twice as Single Oral Doses to Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Idiopathic Thrombocytopenia Purpura"
      ],
      "interventions": [
        {
          "name": "E5501",
          "type": "DRUG"
        },
        {
          "name": "Drug: E5501",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "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": 42,
      "start_date": "2010-12",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2013-11-01",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01289509"
    },
    {
      "nct_id": "NCT01233999",
      "title": "Botulinum Toxin in the Treatment of Raynaud's",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Raynaud's Syndrome"
      ],
      "interventions": [
        {
          "name": "botulinum toxin A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 10,
      "start_date": "2010-10",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01233999"
    },
    {
      "nct_id": "NCT03061071",
      "title": "The POSAtive Study: Study for the Treatment of Positional Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Apnea Syndromes"
      ],
      "interventions": [
        {
          "name": "NightBalance Sleep Position Trainer (SPT)",
          "type": "DEVICE"
        },
        {
          "name": "Automated Adjusting Positive Airway Pressure (APAP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NightBalance",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 117,
      "start_date": "2017-03-01",
      "completion_date": "2018-07-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-21",
      "last_synced_at": "2026-10-27T08:51:38.819Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Gainesville, Florida + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03061071"
    }
  ]
}