{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=22",
    "query": {
      "intervention": "Placebo/Control",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 32907,
    "total_pages": 3291,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo%2FControl&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T11:32:46.522Z",
  "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": "NCT02505477",
      "title": "Treatment of Cognitive and Negative Symptoms in Schizophrenia With N-acetylcysteine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Cognitive Deficits",
        "Schizophrenia; Negative Type"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "Treatment as Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 51,
      "start_date": "2017-02-06",
      "completion_date": "2023-01-31",
      "has_results": false,
      "last_update_posted_date": "2023-05-15",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02505477"
    },
    {
      "nct_id": "NCT03213457",
      "title": "A Clinical Study to Evaluate the Safety and Efficacy of Elagolix in Participants With Moderate to Severe Endometriosis-Associated Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Estradiol/Norethindrone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Elagolix",
          "type": "DRUG"
        },
        {
          "name": "Elagolix",
          "type": "DRUG"
        },
        {
          "name": "Placebo for E2/NETA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 681,
      "start_date": "2017-07-07",
      "completion_date": "2023-12-06",
      "has_results": true,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 188,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 140 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03213457"
    },
    {
      "nct_id": "NCT03657212",
      "title": "Enhancing Memory Consolidation in Older Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Zolpidem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "60 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-10-01",
      "completion_date": "2019-01-01",
      "has_results": true,
      "last_update_posted_date": "2025-02-05",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03657212"
    },
    {
      "nct_id": "NCT00538512",
      "title": "Comparative Study of Influenza Vaccines in Adults, FLUVACS-year 4",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flumist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Physiologic saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 1952,
      "start_date": "2007-09",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 4,
      "location_summary": "Ann Arbor, Michigan • Kalamazoo, Michigan • Mount Pleasant, Michigan + 1 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        },
        {
          "city": "Mount Pleasant",
          "state": "Michigan"
        },
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538512"
    },
    {
      "nct_id": "NCT03173781",
      "title": "Effects of Droxidopa When Measuring Gait Speed, Kyphosis, and Functional Reach in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "droxidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Colorado Springs Neurological Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2016-04",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2018-06-25",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 1,
      "location_summary": "Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03173781"
    },
    {
      "nct_id": "NCT01841281",
      "title": "L-arginine in Severe Asthma Patients Grouped by Exhaled Nitric Oxide Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "L-Arginine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nicholas Kenyon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2013-08",
      "completion_date": "2019-12",
      "has_results": true,
      "last_update_posted_date": "2020-04-21",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01841281"
    },
    {
      "nct_id": "NCT01067781",
      "title": "Safety and Immunogenicity Study of Traveler's Diarrhea Vaccine Patch",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diarrhea"
      ],
      "interventions": [
        {
          "name": "Heat-Labile Enterotoxin of E. coli (LT)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Intercell USA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 600,
      "start_date": "2010-02",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2020-02-10",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 5,
      "location_summary": "Anaheim, California • South Miami, Florida • Lenexa, Kansas + 2 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01067781"
    },
    {
      "nct_id": "NCT05857930",
      "title": "A Study to Assess the Efficacy and Safety of Daily OM-85 in Young Children With Recurrent Wheezing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Wheezing",
        "Wheezing Lower Respiratory Illness"
      ],
      "interventions": [
        {
          "name": "OM-85",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OM Pharma SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "72 Months",
        "sex": "ALL",
        "summary": "6 Months to 72 Months"
      },
      "enrollment_count": 296,
      "start_date": "2023-06-20",
      "completion_date": "2026-09-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 31,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 25 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05857930"
    },
    {
      "nct_id": "NCT03719430",
      "title": "APX005M and Doxorubicin in Advanced Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "APX005M",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexander Z. Wei, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2019-03-20",
      "completion_date": "2025-12-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 3,
      "location_summary": "Duarte, California • St Louis, Missouri • New York, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719430"
    },
    {
      "nct_id": "NCT04710030",
      "title": "Valacyclovir for Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Herpes Simplex 1",
        "Herpes Simplex 2"
      ],
      "interventions": [
        {
          "name": "Valacyclovir hydrochloride 500mg caplet",
          "type": "DRUG"
        },
        {
          "name": "Placebo sugar pill caplet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-02-01",
      "completion_date": "2024-12-23",
      "has_results": true,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-21T11:32:46.522Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04710030"
    }
  ]
}