{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=31",
    "query": {
      "intervention": "Control Population",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 17731,
    "total_pages": 1774,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T12:43:02.976Z",
  "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": "NCT00625079",
      "title": "Pulmonary Hypertension Secondary to Idiopathic Pulmonary Fibrosis And Treatment With Sildenafil",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension",
        "Idiopathic Pulmonary Fibrosis",
        "Interstitial Lung Disease",
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "sildenafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2007-02",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2018-05-01",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00625079"
    },
    {
      "nct_id": "NCT04458103",
      "title": "Percutaneous RVAD to Preemptively Treat Right Heart Failure Post-LVAD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Percutaneous RVAD",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 161,
      "start_date": "2020-05-12",
      "completion_date": "2023-06-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04458103"
    },
    {
      "nct_id": "NCT02554903",
      "title": "Clinical Study to Assess the Efficacy and Safety of Macitentan in Patients With Pulmonary Hypertension After Left Ventricular Assist Device Implantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Macitentan 10mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actelion",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2016-03-28",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 50,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Beverly Hills, California + 42 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02554903"
    },
    {
      "nct_id": "NCT01806727",
      "title": "Lifestyle Intervention for Treatment of Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Community Lifestyle Weight Loss (LWL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diabetes Self Management (DSM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2013-04",
      "completion_date": "2017-03-30",
      "has_results": false,
      "last_update_posted_date": "2018-08-15",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01806727"
    },
    {
      "nct_id": "NCT02131727",
      "title": "Hand Hygiene Randomized Cluster Intervention to Reduce Infections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Tract Infections",
        "Gastrointestinal Infections"
      ],
      "interventions": [
        {
          "name": "Hand Hygiene Improvement Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ask Me 3",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kent State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 324,
      "start_date": "2013-02",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-05-06",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Kent, Ohio",
      "locations": [
        {
          "city": "Kent",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02131727"
    },
    {
      "nct_id": "NCT06497842",
      "title": "Effort During Resistance Training in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "High-effort resistance exercise training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-effort resistance exercise training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 14,
      "start_date": "2024-09-10",
      "completion_date": "2026-03-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06497842"
    },
    {
      "nct_id": "NCT00739973",
      "title": "Study to Evaluate the Efficacy and Safety of Aliskiren Alone and in Combination With Amlodipine in Essential Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren 150 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren 300 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine 5 mg capsule",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine 10 mg capsule",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren/amlodipine 150/5 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren/amlodipine 150/10 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren/amlodipine 300/5 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Aliskiren/amlodipine 300/10 mg tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 2694,
      "start_date": "2008-09",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2011-06-06",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00739973"
    },
    {
      "nct_id": "NCT01675921",
      "title": "Implementation of ACT Through Facebook for Teenagers With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Facebook group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2012-09",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2020-09-01",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01675921"
    },
    {
      "nct_id": "NCT06957821",
      "title": "Study to Image Inflammatory Activity of a Fluorescence Imaging Agent in Excised Human Artery Plaques",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Carotid Artery Diseases",
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Pegulicianine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 25,
      "start_date": "2026-06",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06957821"
    },
    {
      "nct_id": "NCT05373706",
      "title": "Testing Brief Personalized Feedback Integrating EMA Alcohol Cue Information",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Drinking",
        "Problem Drinking"
      ],
      "interventions": [
        {
          "name": "Alcohol Cue Reactivity Personalized Feedback Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 99,
      "start_date": "2022-04-29",
      "completion_date": "2023-05-01",
      "has_results": true,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-10-26T12:43:02.976Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05373706"
    }
  ]
}