{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=3",
    "query": {
      "intervention": "Control Population",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 17726,
    "total_pages": 1773,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T23:11:05.613Z",
  "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": "NCT01552551",
      "title": "Assessment and Referral Versus Exercise in Primary Prevention of Falls: PA Healthy Steps Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Extremity Weakness Distal",
        "Distorted; Balance"
      ],
      "interventions": [
        {
          "name": "Assessment and education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Steps with Falls Case Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Steps in Motion",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 189,
      "start_date": "2012-05",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-12-30",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01552551"
    },
    {
      "nct_id": "NCT04637802",
      "title": "Digital Health Psychosocial Intervention for Adolescent Spine Surgery Preparation and Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Juvenile; Scoliosis",
        "Scoliosis Idiopathic",
        "Scoliosis; Adolescence",
        "Scoliosis;Congenital",
        "Kyphosis",
        "Spondylolisthesis"
      ],
      "interventions": [
        {
          "name": "CBT (SurgeryPal)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 433,
      "start_date": "2020-12-29",
      "completion_date": "2025-05-21",
      "has_results": true,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04637802"
    },
    {
      "nct_id": "NCT06446453",
      "title": "Echography-guided Surfactant THERapy (ESTHER) For Preterm Infants With Respiratory Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Distress Syndrome, Newborn",
        "Pulmonary Surfactants",
        "Intensive Care Units, Neonatal"
      ],
      "interventions": [
        {
          "name": "Echography-guided Surfactant THERapy (ESTHER)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Connecticut Children's Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Hours",
        "maximum_age": "2 Hours",
        "sex": "ALL",
        "summary": "0 Hours to 2 Hours"
      },
      "enrollment_count": 52,
      "start_date": "2024-06-25",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06446453"
    },
    {
      "nct_id": "NCT04007445",
      "title": "Exercise for People with Spinal Cord Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Formally Directed Group (Exercise Group)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Directed Group (Control Group)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-04-01",
      "completion_date": "2020-04-29",
      "has_results": false,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04007445"
    },
    {
      "nct_id": "NCT01598272",
      "title": "Effects of a Proprietary Blend of Herbal Extract Supplement on Cellular Detoxification, Inflammation, and Cumulative Cognitive Index as Well as Gene Expression in Middle-Aged Adult Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anti Aging"
      ],
      "interventions": [
        {
          "name": "Vitality product AM + Vitality product PM",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pharmanex",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "73 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 73 Years · Female only"
      },
      "enrollment_count": 95,
      "start_date": "2011-07",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-11",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Orem, Utah",
      "locations": [
        {
          "city": "Orem",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01598272"
    },
    {
      "nct_id": "NCT00569972",
      "title": "A Randomized, Double Blind, Parallel Group, Placebo Controlled, Multicenter Outpatient Trial Of PD 0200390 In Adults With Primary Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "PD 0200390",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 682,
      "start_date": "2007-10",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2012-07-25",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00569972"
    },
    {
      "nct_id": "NCT00899977",
      "title": "TC-5214 as Augmentation Therapy in Patients With Refractory Hypertension",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Refractory Hypertension"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "TC-5214",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Targacept Inc.",
      "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": 1,
      "start_date": "2009-05",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-09-13",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899977"
    },
    {
      "nct_id": "NCT01132651",
      "title": "Cooling Pillow for Atopic Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atopic Dermatitis",
        "Eczema"
      ],
      "interventions": [
        {
          "name": "Current standard eczema treatment and standard pillow at night",
          "type": "OTHER"
        },
        {
          "name": "Chillow cooling pillow",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2010-05",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2015-01-05",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132651"
    },
    {
      "nct_id": "NCT00142922",
      "title": "Breaking Down Barriers to Diabetes Self-Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Breaking Down Barriers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 222,
      "start_date": "2002-10",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00142922"
    },
    {
      "nct_id": "NCT00332722",
      "title": "Effectiveness of Cervical Facet Joint Nerve Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neck Pain"
      ],
      "interventions": [
        {
          "name": "Cervical facet joint nerve blocks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pain Management Center of Paducah",
      "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": "2003-09",
      "completion_date": "2007-03",
      "has_results": true,
      "last_update_posted_date": "2013-10-01",
      "last_synced_at": "2026-10-22T23:11:05.613Z",
      "location_count": 1,
      "location_summary": "Paducah, Kentucky",
      "locations": [
        {
          "city": "Paducah",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00332722"
    }
  ]
}