{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=29",
    "query": {
      "intervention": "Negative control",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1040,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T19:36:58.821Z",
  "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": "NCT01935050",
      "title": "Guided Self-Help for Depression in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Guided Cognitive-Behavioral Self-Help",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "35 Years to 85 Years"
      },
      "enrollment_count": 34,
      "start_date": "2013-04",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01935050"
    },
    {
      "nct_id": "NCT03224546",
      "title": "Cocaine Use Reduction and Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cocaine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "William Stoops",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2017-09-15",
      "completion_date": "2024-01-15",
      "has_results": true,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224546"
    },
    {
      "nct_id": "NCT02324179",
      "title": "Use of EndoPAT for Measurements of Endothelial Dysfunction in HIV Infected Children and Healthy Controls",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Endothelial Dysfunction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "8 Years to 30 Years"
      },
      "enrollment_count": 76,
      "start_date": "2014-08",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-03-09",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02324179"
    },
    {
      "nct_id": "NCT02823262",
      "title": "A Breast Cancer Treatment Decision Aid for Women Aged 70 and Older",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Estrogen Receptor Positive Breast Cancer",
        "Node-negative Breast Cancer",
        "Human Epidermal Growth Factor 2 Negative Carcinoma of Breast"
      ],
      "interventions": [
        {
          "name": "Breast Cancer Treatment Decision Aid for women 70+",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "70 Years and older · Female only"
      },
      "enrollment_count": 65,
      "start_date": "2016-07",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02823262"
    },
    {
      "nct_id": "NCT05799846",
      "title": "Cognitive Strategies for Weight Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Standard Behavioral Weight Loss Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PREVENT Behavioral Weight Loss Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PROMOTE Behavioral Weight Loss Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 360,
      "start_date": "2023-03-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05799846"
    },
    {
      "nct_id": "NCT05526586",
      "title": "A Twelve Week Study of Prototypes Mouth Rinses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Colgate Cavity Protection Toothpaste",
          "type": "OTHER"
        },
        {
          "name": "Zero Alcohol Gum Prototype",
          "type": "OTHER"
        },
        {
          "name": "Alcohol Gum Prototype",
          "type": "OTHER"
        },
        {
          "name": "Listerine Cool Mint Antiseptic Mouthwash",
          "type": "OTHER"
        },
        {
          "name": "5% Hydroalcohol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2022-08-31",
      "completion_date": "2022-12-08",
      "has_results": false,
      "last_update_posted_date": "2023-09-05",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05526586"
    },
    {
      "nct_id": "NCT04917445",
      "title": "The Impact of the SPIKES Protocol With IVF Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Spikes-focused bad news protocol",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston IVF",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 136,
      "start_date": "2021-06-17",
      "completion_date": "2022-05-24",
      "has_results": false,
      "last_update_posted_date": "2022-05-26",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 2,
      "location_summary": "Waltham, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04917445"
    },
    {
      "nct_id": "NCT05454657",
      "title": "Heart Rate Variability Biofeedback for Substance Use Disorder: A Randomized Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Heart rate variability biofeedback + treatment as usual",
          "type": "DEVICE"
        },
        {
          "name": "Treatment as usual only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2023-01-04",
      "completion_date": "2025-07-31",
      "has_results": true,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05454657"
    },
    {
      "nct_id": "NCT04386681",
      "title": "Re-entry Continuum for Brain Injury",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "Recidivism"
      ],
      "interventions": [
        {
          "name": "Reentry Continuum for Brain Injury (RCBI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rehabilitation Hospital of Indiana",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 102,
      "start_date": "2021-03-01",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 1,
      "location_summary": "Greencastle, Indiana",
      "locations": [
        {
          "city": "Greencastle",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04386681"
    },
    {
      "nct_id": "NCT03678181",
      "title": "Increasing Engagement and Improving HIV Outcomes Via HealthMPowerment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Sexually Transmitted Diseases",
        "Stigma, Social"
      ],
      "interventions": [
        {
          "name": "Information Resources",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIV Testing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "29 Years",
        "sex": "MALE",
        "summary": "15 Years to 29 Years · Male only"
      },
      "enrollment_count": 750,
      "start_date": "2020-07-07",
      "completion_date": "2023-10-15",
      "has_results": true,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-10-27T19:36:58.821Z",
      "location_count": 3,
      "location_summary": "Chapel Hill, North Carolina • Durham, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03678181"
    }
  ]
}