{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risperidone&page=2",
    "query": {
      "intervention": "Risperidone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risperidone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T14:46:17.721Z",
  "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": "NCT00205699",
      "title": "Metabolic Effects of Antipsychotics in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aggression",
        "Attention Deficit-Hyperactivity",
        "Oppositional Defiant Disorder",
        "Pervasive Development Disorders",
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "risperidone",
          "type": "DRUG"
        },
        {
          "name": "olanzapine",
          "type": "DRUG"
        },
        {
          "name": "aripiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 144,
      "start_date": "2006-04",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2018-06-15",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00205699"
    },
    {
      "nct_id": "NCT00752960",
      "title": "DNA Diagnostics for Minimizing Metabolic Side-Effects of Antipsychotics",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psychoses"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Genomas, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2007-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2008-09-16",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 2,
      "location_summary": "Hartford, Connecticut • Lexington, Kentucky",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752960"
    },
    {
      "nct_id": "NCT04624243",
      "title": "Efficacy and Safety of Elpipodect (MK-8189) in Participants With an Acute Episode of Schizophrenia (MK-8189-008)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Elpipodect",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Placebo to MK-8189",
          "type": "DRUG"
        },
        {
          "name": "Placebo to risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 499,
      "start_date": "2020-12-15",
      "completion_date": "2024-06-21",
      "has_results": true,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 35,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Rogers, Arkansas + 27 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624243"
    },
    {
      "nct_id": "NCT00571688",
      "title": "Does Risperidone Consta Reduce Relapse and Rehospitalization in Bipolar Disorder?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Risperdal (risperidone) Consta",
          "type": "DRUG"
        },
        {
          "name": "Treatment as usual",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2007-11",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00571688"
    },
    {
      "nct_id": "NCT00183625",
      "title": "Supported Employment and Skills Training in Conjunction With Pharmacotherapy in Schizophrenia Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Individual Placement and Support (Supported Employment)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Skills Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 107,
      "start_date": "2000-06",
      "completion_date": "2006-09",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Manchester, New Hampshire",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Manchester",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00183625"
    },
    {
      "nct_id": "NCT00352196",
      "title": "Janssen Asperger's MRS (Magnetic Resonance Spectroscopy Risperidone Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asperger's Disorder"
      ],
      "interventions": [
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Spectroscopy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2001-11",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2015-01-14",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00352196"
    },
    {
      "nct_id": "NCT01157351",
      "title": "15 Month Study for Adults Who Have Been Diagnosed With Schizophrenia and Incarcerated",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "paliperidone",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        },
        {
          "name": "haloperidole",
          "type": "DRUG"
        },
        {
          "name": "perphenazine",
          "type": "DRUG"
        },
        {
          "name": "aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "quetiapine",
          "type": "DRUG"
        },
        {
          "name": "paliperidone palmitate",
          "type": "DRUG"
        },
        {
          "name": "olanzapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, 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": 450,
      "start_date": "2010-05",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-24",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 55,
      "location_summary": "Bullhead City, Arizona • Tuscon, Arizona • Little Rock, Arkansas + 52 more",
      "locations": [
        {
          "city": "Bullhead City",
          "state": "Arizona"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01157351"
    },
    {
      "nct_id": "NCT00314613",
      "title": "Functional Brain Imaging and Employment in First-Episode Psychotic Patients Treated With Risperdal",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Antipsychotic/Risperidone Consta",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2006-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-12-02",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 2,
      "location_summary": "Butner, North Carolina • Durham, North Carolina",
      "locations": [
        {
          "city": "Butner",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00314613"
    },
    {
      "nct_id": "NCT01913327",
      "title": "Antipsychotic Effects on Brain Function in Schizophrenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Schizophreniform Disorder"
      ],
      "interventions": [
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Modafinil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-04",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2020-04-20",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01913327"
    },
    {
      "nct_id": "NCT00222495",
      "title": "A Comparative Study of New Medications for Psychosis in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychotic Disorders",
        "Schizophrenia",
        "Schizophreniform Disorders",
        "Schizoaffective Disorders"
      ],
      "interventions": [
        {
          "name": "quetiapine",
          "type": "DRUG"
        },
        {
          "name": "olanzapine",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 30,
      "start_date": "2002-08",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2006-09-11",
      "last_synced_at": "2026-09-24T14:46:17.721Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00222495"
    }
  ]
}