{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Oral+Paliperidone+ER",
    "query": {
      "intervention": "Oral Paliperidone ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T13:32:47.775Z",
  "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": "NCT00535132",
      "title": "Study to Measure Drug Satisfaction of Patients With Schizophrenia After Switching From Risperidone to Paliperidone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Oral Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 201,
      "start_date": "2007-10",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-09-24T13:32:47.775Z",
      "location_count": 15,
      "location_summary": "Cerritos, California • Garden Grove, California • Huntington Beach, California + 12 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Pico Rivera",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00535132"
    },
    {
      "nct_id": "NCT02431702",
      "title": "A Study to Compare Disease Progression and Modification Following Treatment With Paliperidone Palmitate Long-Acting Injection or Oral Antipsychotics in Participant's With Recent-onset Schizophrenia or Schizophreniform",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia",
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Oral Paliperidone ER",
          "type": "DRUG"
        },
        {
          "name": "Perphenazine",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        },
        {
          "name": "Oral Risperidone",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone Palmitate Injection (PP1M)",
          "type": "DRUG"
        },
        {
          "name": "Paliperidone Palmitate Injection (PP3M)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 337,
      "start_date": "2015-07-08",
      "completion_date": "2019-11-12",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-09-24T13:32:47.775Z",
      "location_count": 34,
      "location_summary": "Little Rock, Arkansas • Garden Grove, California • Lemon Grove, California + 31 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02431702"
    },
    {
      "nct_id": "NCT01009047",
      "title": "An Efficacy and Safety Study of Extended-Release (ER) Paliperidone in Adolescent Participants With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Paliperidone extended release (ER)",
          "type": "DRUG"
        },
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 228,
      "start_date": "2009-12",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-09-24T13:32:47.775Z",
      "location_count": 6,
      "location_summary": "Dothan, Alabama • Santa Ana, California • Atlanta, Georgia + 3 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Smyrna",
          "state": "Georgia"
        },
        {
          "city": "Lake Charles",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01009047"
    }
  ]
}