{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=matched+placebo&page=3",
    "query": {
      "intervention": "matched placebo",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 7009,
    "total_pages": 701,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=matched+placebo&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=matched+placebo&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T13:58:29.285Z",
  "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": "NCT03811912",
      "title": "Efficacy and Tolerability Study of Two Dose Regimens of CTP-543 in Adults With Alopecia Areata",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "CTP-543",
          "type": "DRUG"
        },
        {
          "name": "CTP-543 Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Concert Pharmaceuticals",
      "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": 57,
      "start_date": "2019-03-21",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 10,
      "location_summary": "Irvine, California • San Francisco, California • New Haven, Connecticut + 6 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03811912"
    },
    {
      "nct_id": "NCT01065012",
      "title": "Treatment of Erectile Dysfunction - Long Term Safety and Efficacy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "Udenafil 50 mg",
          "type": "DRUG"
        },
        {
          "name": "Udenafil 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Udenafil 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching 50 mg Udenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching 100 mg Udenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching 150 mg Udenafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "19 Years and older · Male only"
      },
      "enrollment_count": 1027,
      "start_date": "2010-01",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2015-04-20",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 65 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01065012"
    },
    {
      "nct_id": "NCT02570854",
      "title": "A Two-part Single- and Repeat-dose Study of CSJ137 in Anemic Chronic Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia, Iron-Deficiency"
      ],
      "interventions": [
        {
          "name": "CSJ137",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2015-09-22",
      "completion_date": "2020-05-13",
      "has_results": false,
      "last_update_posted_date": "2021-10-12",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Lakewood, Colorado • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570854"
    },
    {
      "nct_id": "NCT05668754",
      "title": "Study of SDX in Patients With Idiopathic Hypersomnia (IH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Hypersomnia"
      ],
      "interventions": [
        {
          "name": "Serdexmethylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Zevra Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2022-12-28",
      "completion_date": "2024-03-21",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Daphne, Alabama • Guntersville, Alabama + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Guntersville",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05668754"
    },
    {
      "nct_id": "NCT05732194",
      "title": "Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of ITI 333 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "ITI-333",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Intra-Cellular Therapies, Inc.",
      "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": 32,
      "start_date": "2023-01-18",
      "completion_date": "2023-09-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05732194"
    },
    {
      "nct_id": "NCT07298395",
      "title": "Study of ENV-294 in Adults With Moderate-to-Severe Atopic Dermatitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis (AD)"
      ],
      "interventions": [
        {
          "name": "ENV-294",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enveda Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 105,
      "start_date": "2025-12-22",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Hot Springs, Arkansas • Beverly Hills, California + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298395"
    },
    {
      "nct_id": "NCT07382167",
      "title": "A 26-Wk Study to Assess Safety & Efficacy of Tenapanor for T/t of Chronic Idiopathic Constipation in Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Idiopathic Constipation (CIC)"
      ],
      "interventions": [
        {
          "name": "Tenapanor 5 mg BID",
          "type": "DRUG"
        },
        {
          "name": "Tenapanor 25 mg BID",
          "type": "DRUG"
        },
        {
          "name": "Tenapanor 50 mg BID",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ardelyx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 692,
      "start_date": "2026-01-13",
      "completion_date": "2027-06-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 109,
      "location_summary": "Foley, Alabama • Saraland, Alabama • Chandler, Arizona + 98 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City West",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07382167"
    },
    {
      "nct_id": "NCT04630067",
      "title": "Assessment of Safety, Tolerability, Immunogenicity, and Pharmacokinetics of AZD3427",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "AZD3427",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 105,
      "start_date": "2020-11-17",
      "completion_date": "2022-09-14",
      "has_results": false,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 10,
      "location_summary": "Little Rock, Arkansas • Glendale, California • Daytona Beach, Florida + 7 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04630067"
    },
    {
      "nct_id": "NCT01629966",
      "title": "Safety, Efficacy and Tolerability of Vilazodone in Generalized Anxiety Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Vilazodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 680,
      "start_date": "2012-06-30",
      "completion_date": "2014-03-31",
      "has_results": true,
      "last_update_posted_date": "2019-12-18",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 37,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Glendale, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Norwich",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01629966"
    },
    {
      "nct_id": "NCT05531656",
      "title": "A Study to Evaluate the Safety and Efficacy of CT1812 in Early Alzheimer's Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Early Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "CT1812",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cognition Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 540,
      "start_date": "2023-06-28",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-17T13:58:29.285Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 41 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05531656"
    }
  ]
}