{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risperidone+low+dose",
    "query": {
      "intervention": "Risperidone low dose"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T16:46:16.169Z",
  "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": "NCT01878513",
      "title": "Prospective Cytochrome P450 Genotyping and Clinical Outcomes in Patients With Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Psychotic Disorder Not Otherwise Specified",
        "Severe Bipolar Disorder With Psychotic Features"
      ],
      "interventions": [
        {
          "name": "risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "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": 88,
      "start_date": "2009-09-23",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-27",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 1,
      "location_summary": "Glen Oaks, New York",
      "locations": [
        {
          "city": "Glen Oaks",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01878513"
    },
    {
      "nct_id": "NCT00576732",
      "title": "A Study of the Effectiveness and Safety of Two Doses of Risperidone in the Treatment of Children and Adolescents With Autistic Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Autistic Disorder",
        "Autism"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Risperidone high dose",
          "type": "DRUG"
        },
        {
          "name": "Risperidone low dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 96,
      "start_date": "2007-12",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 20,
      "location_summary": "Dothan, Alabama • Phoenix, Arizona • Sacramento, California + 17 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576732"
    },
    {
      "nct_id": "NCT02687984",
      "title": "PK, Safety, and Tolerability Study of RBP-7000 of Different Molecular Weight Polymer in Subjects With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "RBP-7000",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indivior 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": 44,
      "start_date": "2016-02",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-01-31",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 2,
      "location_summary": "Garden Grove, California • Torrance, California",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02687984"
    },
    {
      "nct_id": "NCT00567710",
      "title": "A Six-week, Randomized, Double-blind, Placebo-controlled, Parallel Group, Multi-center, Phase II Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "BL - 1020",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioLineRx, Ltd.",
      "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": 360,
      "start_date": "2008-07",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-06-29",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 1,
      "location_summary": "Irving, Texas",
      "locations": [
        {
          "city": "Irving",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00567710"
    },
    {
      "nct_id": "NCT00099983",
      "title": "Risperidone Treatment for Military Service Related Chronic Post Traumatic Stress Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stress Disorders",
        "Post-Traumatic"
      ],
      "interventions": [
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 296,
      "start_date": "2006-10",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 20,
      "location_summary": "Tuscaloosa, Alabama • San Diego, California • San Francisco, California + 17 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        },
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00099983"
    },
    {
      "nct_id": "NCT02768649",
      "title": "Single Ascending Dose Study of RBP-7000",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "RBP-7000",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indivior 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": 45,
      "start_date": "2011-04",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2016-05-11",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 1,
      "location_summary": "Willingboro, New Jersey",
      "locations": [
        {
          "city": "Willingboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02768649"
    },
    {
      "nct_id": "NCT02661347",
      "title": "Transcranial Direct Current Stimulation for Hallucinations in First-Episode Schizophrenia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizophreniform",
        "Schizoaffective Disorder",
        "Psychosis Not Otherwise Specified (NOS)"
      ],
      "interventions": [
        {
          "name": "Risperidone",
          "type": "DRUG"
        },
        {
          "name": "tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "15 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2016-12-01",
      "has_results": false,
      "last_update_posted_date": "2018-03-13",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 1,
      "location_summary": "Glen Oaks, New York",
      "locations": [
        {
          "city": "Glen Oaks",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02661347"
    },
    {
      "nct_id": "NCT01499563",
      "title": "Study of a Novel Antipsychotic ITI-007 in Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "ITI-007",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Intra-Cellular Therapies, Inc.",
      "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": 335,
      "start_date": "2011-12",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 8,
      "location_summary": "Little Rock, Arkansas • Garden Grove, California • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01499563"
    },
    {
      "nct_id": "NCT00722176",
      "title": "Extension Study To Evaluate The Long-Term Safety, Tolerability, And Efficacy Of Low And High Doses Of Bl-1020",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "BL-1020",
          "type": "DRUG"
        },
        {
          "name": "BL-1020 10-30 mg",
          "type": "DRUG"
        },
        {
          "name": "risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioLineRx, Ltd.",
      "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": 220,
      "start_date": "2008-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-06-29",
      "last_synced_at": "2026-09-12T16:46:16.169Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722176"
    }
  ]
}