{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=9",
    "query": {
      "intervention": "Crossover",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 4589,
    "total_pages": 459,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Crossover&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T00:55:50.301Z",
  "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": "NCT02606461",
      "title": "Selinexor in Advanced Liposarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Dedifferentiated Liposarcoma"
      ],
      "interventions": [
        {
          "name": "Selinexor",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Karyopharm Therapeutics Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 342,
      "start_date": "2016-01-04",
      "completion_date": "2021-10-26",
      "has_results": true,
      "last_update_posted_date": "2023-01-23",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 26,
      "location_summary": "Los Angeles, California • Santa Monica, California • Stanford, California + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02606461"
    },
    {
      "nct_id": "NCT01581866",
      "title": "Bioequivalence Study of Ziprasidone HCL Capsules, 20 mg Under Fasting Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ziprasidone Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dr. Reddy's Laboratories Limited",
      "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": 56,
      "start_date": "2004-11",
      "completion_date": "2005-01",
      "has_results": false,
      "last_update_posted_date": "2012-04-20",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Fort Myers, Florida",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01581866"
    },
    {
      "nct_id": "NCT00823368",
      "title": "Biomarker Testing and DNA Collection in Subjects Participating in Protocol 22001",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "STX209",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seaside Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "6 Years to 40 Years"
      },
      "enrollment_count": null,
      "start_date": "2009-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-07-31",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Sacramento, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823368"
    },
    {
      "nct_id": "NCT01888497",
      "title": "Next-Day Residual Effects of Gabapentin, Diphenhydramine and Triazolam on Simulated Driving Performance in Normal Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine citrate",
          "type": "DRUG"
        },
        {
          "name": "Triazolam",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 59,
      "start_date": "2013-07-29",
      "completion_date": "2013-12-14",
      "has_results": true,
      "last_update_posted_date": "2021-02-21",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 4,
      "location_summary": "South Miami, Florida • Atlanta, Georgia",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01888497"
    },
    {
      "nct_id": "NCT01520896",
      "title": "Study in Healthy Volunteers to Investigate the Effects of Ketoconazole on the Pharmacokinetics of NKTR-118",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bioavailability",
        "Healthy Volunteers",
        "Drug- Drug Interactions"
      ],
      "interventions": [
        {
          "name": "NKTR-118",
          "type": "DRUG"
        },
        {
          "name": "Ketoconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 22,
      "start_date": "2012-02",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01520896"
    },
    {
      "nct_id": "NCT01944579",
      "title": "Blackberry Flavonoid Absorption and Effects on Intestinal Bacteria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Blackberries",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Janet Novotny",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 46,
      "start_date": "2013-09",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-07-22",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Beltsville, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01944579"
    },
    {
      "nct_id": "NCT01744288",
      "title": "Study to See if Platelet Transfusion Stop or Lessen the Effect of the Drug on Platelets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Inhibition on Platelet Aggregation"
      ],
      "interventions": [
        {
          "name": "Ticagrelor",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "ASA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 258,
      "start_date": "2012-12",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-24",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01744288"
    },
    {
      "nct_id": "NCT03333161",
      "title": "Prematurity Related Ventilatory Control (PRE-VENT) - Specific Aim 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant,Premature"
      ],
      "interventions": [
        {
          "name": "Cardiorespiratory monitoring",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "15 Days",
        "sex": "ALL",
        "summary": "1 Day to 15 Days"
      },
      "enrollment_count": 25,
      "start_date": "2018-04-09",
      "completion_date": "2021-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-21",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03333161"
    },
    {
      "nct_id": "NCT05438173",
      "title": "Bioavailability of EPA/DHA in of Ruby-O and Krill Oil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bioavailability"
      ],
      "interventions": [
        {
          "name": "EPA + DHA Ruby-O",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "EPA + DHA Krill Oil",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "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": 28,
      "start_date": "2022-07-11",
      "completion_date": "2022-09-18",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Port Saint Lucie, Florida",
      "locations": [
        {
          "city": "Port Saint Lucie",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05438173"
    },
    {
      "nct_id": "NCT01325415",
      "title": "A Placebo-controlled Four Way Crossover Study to Asses the Effect of a Single Oral Dose of NKTR-118 on QTc Interval in Healthy Male Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Amount of NKTR-118 in Blood",
        "Variation in the Heart's Electrical Cycle"
      ],
      "interventions": [
        {
          "name": "NKTR-118",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 45,
      "start_date": "2011-04",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-10-24T00:55:50.301Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01325415"
    }
  ]
}