{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quetiapine+or+Risperidone+%2B+Aripiprazole",
    "query": {
      "intervention": "Quetiapine or Risperidone + Aripiprazole"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quetiapine+or+Risperidone+%2B+Aripiprazole&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T17:17:26.189Z",
  "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": "NCT05402111",
      "title": "A Clinical Study That Will Assess How Food Moves Through the Stomach and Effects Blood Glucose Levels in Subjects With Schizophrenia Taking SEP-363856 or and Prior Antipsychotic (PA) Standard",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "SEP-363856",
          "type": "DRUG"
        },
        {
          "name": "Prior antipsychotic (risperidone, olanzapine, quetiapine or aripiprazole)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, 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": 31,
      "start_date": "2022-06-13",
      "completion_date": "2023-09-27",
      "has_results": false,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 7,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • Long Beach, California + 4 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05402111"
    },
    {
      "nct_id": "NCT02600741",
      "title": "Family Intervention in Recent Onset Schizophrenia Treatment (FIRST)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Caregiver psycho-education and skills training",
          "type": "OTHER"
        },
        {
          "name": "Caregiver support available at the study site",
          "type": "OTHER"
        },
        {
          "name": "Paliperidone palmitate",
          "type": "DRUG"
        },
        {
          "name": "Chlorpromazine",
          "type": "DRUG"
        },
        {
          "name": "Droperidol",
          "type": "DRUG"
        },
        {
          "name": "Fluphenazine",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Loxapine",
          "type": "DRUG"
        },
        {
          "name": "Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Pimozide",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine",
          "type": "DRUG"
        },
        {
          "name": "Thiothixene",
          "type": "DRUG"
        },
        {
          "name": "Thioridazine",
          "type": "DRUG"
        },
        {
          "name": "Trifluoperazine",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Asenapine",
          "type": "DRUG"
        },
        {
          "name": "Clozapine",
          "type": "DRUG"
        },
        {
          "name": "Iloperidone",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 296,
      "start_date": "2015-07-24",
      "completion_date": "2018-07-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 34,
      "location_summary": "Bullhead City, Arizona • Oceanside, California • Denver, Colorado + 31 more",
      "locations": [
        {
          "city": "Bullhead City",
          "state": "Arizona"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02600741"
    },
    {
      "nct_id": "NCT01052103",
      "title": "A Study of LY2140023 in Schizophrenia Patients With Prominent Negative Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "LY2140023",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Denovo Biopharma LLC",
      "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": 167,
      "start_date": "2010-01",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2022-09-07",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 4,
      "location_summary": "Garden Grove, California • Chicago, Illinois • Hoffman Estates, Illinois + 1 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Hoffman Estates",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01052103"
    },
    {
      "nct_id": "NCT01786369",
      "title": "Adherence in Patients Admitted to a Psychiatric Unit for Acute Psychosis: an Analysis of Serum Levels of Antipsychotics.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2013-02",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-04-14",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 1,
      "location_summary": "Glen Oaks, New York",
      "locations": [
        {
          "city": "Glen Oaks",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01786369"
    },
    {
      "nct_id": "NCT01231074",
      "title": "Reducing Antipsychotic-Induced Weight Gain in Children With Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity",
        "Weight Gain",
        "Psychotropic Induced Weight Gain"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 96,
      "start_date": "2010-02",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-02",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231074"
    },
    {
      "nct_id": "NCT02237417",
      "title": "Impact of Aripiprazole Once Monthly Medications on Changes in Brain Structure and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Standard of Care Oral antipsychotics",
          "type": "DRUG"
        },
        {
          "name": "IM aripiprazole once monthly",
          "type": "DRUG"
        },
        {
          "name": "No Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 47,
      "start_date": "2014-09-01",
      "completion_date": "2020-07-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237417"
    },
    {
      "nct_id": "NCT00325689",
      "title": "Aripiprazole Used as Dual Therapy in the Treatement of Patients With Chronic Stable Schizophrenia or Schizoaffective Disorder.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Quetiapine or Risperidone + Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine or Risperidone + placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 323,
      "start_date": "2006-07",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 48,
      "location_summary": "Little Rock, Arkansas • Cerritos, California • Costa Mesa, California + 37 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Granada Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00325689"
    },
    {
      "nct_id": "NCT00423878",
      "title": "Comparison of Antipsychotics for Metabolic Problems in Schizophrenia or Schizoaffective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 215,
      "start_date": "2007-01",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 28,
      "location_summary": "Colton, California • Palo Alto, California • New Haven, Connecticut + 25 more",
      "locations": [
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00423878"
    },
    {
      "nct_id": "NCT01246765",
      "title": "National Pregnancy Registry for Psychiatric Medications",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnant Women",
        "Psychotropic Drugs"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "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": 5000,
      "start_date": "2008-11",
      "completion_date": "2033-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01246765"
    },
    {
      "nct_id": "NCT06482554",
      "title": "Lumateperone for the Improvement of Apathy in Patients With Psychotic Symptoms.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Apathy",
        "Schizophrenia",
        "Schizophrenia; Psychosis"
      ],
      "interventions": [
        {
          "name": "Lumateperone 42 mg",
          "type": "DRUG"
        },
        {
          "name": "Risperidone 2 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "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": 80,
      "start_date": "2024-06",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-10-06T17:17:26.189Z",
      "location_count": 1,
      "location_summary": "Shreveport, Louisiana",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06482554"
    }
  ]
}