{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control",
    "query": {
      "intervention": "Observational Control"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 639,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T15:30:45.719Z",
  "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": "NCT01120847",
      "title": "Post Traumatic Stress Disorder (PTSD), Sleep Disordered Breathing And Genetics: Effects On Cognition",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stress Disorders, Post-Traumatic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 324,
      "start_date": "2004-09",
      "completion_date": "2017-03-10",
      "has_results": false,
      "last_update_posted_date": "2020-02-28",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01120847"
    },
    {
      "nct_id": "NCT05815784",
      "title": "Myopia Control: a Comparison Study Between Atropine and MiSight",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "MiSight contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 348,
      "start_date": "2023-05-02",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815784"
    },
    {
      "nct_id": "NCT04074226",
      "title": "ESP vs QL for Total Abdominal Hysterectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2021-03-20",
      "completion_date": "2023-03-21",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074226"
    },
    {
      "nct_id": "NCT04503174",
      "title": "Control-IQ Observational (CLIO) Post-Approval Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "t:slim X2 pump with Control-IQ technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Tandem Diabetes Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 3157,
      "start_date": "2020-08-04",
      "completion_date": "2023-06-26",
      "has_results": true,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04503174"
    },
    {
      "nct_id": "NCT07294482",
      "title": "The Effects on Sleep Quality of 1:4 Reishi Liquid Extract",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Bristol Fungarium's 1:4 Reishi Mushroom Tincture",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Efforia, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-09-10",
      "completion_date": "2026-09-10",
      "has_results": false,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07294482"
    },
    {
      "nct_id": "NCT03076710",
      "title": "Post-Operative Pain Management Following Spine Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain Management",
        "Analgesia",
        "Anesthetic"
      ],
      "interventions": [
        {
          "name": "Opioids delivered through PCA",
          "type": "DRUG"
        },
        {
          "name": "EXPAREL® infiltration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-07-31",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2020-07-02",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03076710"
    },
    {
      "nct_id": "NCT00670046",
      "title": "Valproic Acid in Treating Patients With Progressive, Non-Metastatic Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "valproic acid",
          "type": "DRUG"
        },
        {
          "name": "standard of care follow-up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "MALE",
        "summary": "18 Years to 85 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2008-05",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2018-09-28",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670046"
    },
    {
      "nct_id": "NCT00689013",
      "title": "The Effect of Pharmacist Intervention on the Use of Zostavax in a Community Pharmacy Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Personalized letter",
          "type": "OTHER"
        },
        {
          "name": "Flyer advertisement",
          "type": "OTHER"
        },
        {
          "name": "Newspaper press release",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2008-02",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2009-04-23",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 3,
      "location_summary": "Johnson City, Tennessee • Manchester, Tennessee • Murfreesboro, Tennessee",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        },
        {
          "city": "Manchester",
          "state": "Tennessee"
        },
        {
          "city": "Murfreesboro",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689013"
    },
    {
      "nct_id": "NCT02190669",
      "title": "Exercise and Diabetes - an Observational Study of Exercise and Blood Glucose Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sansum Diabetes Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 12,
      "start_date": "2014-06",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-11-13",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Santa Barbara, California",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02190669"
    },
    {
      "nct_id": "NCT03370757",
      "title": "Very Low Birth Weight Preterm Infant Bundled Care in the NICU",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Infants"
      ],
      "interventions": [
        {
          "name": "3-hour bundled care",
          "type": "OTHER"
        },
        {
          "name": "6-hour bundled care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "32 Weeks",
        "sex": "ALL",
        "summary": "Up to 32 Weeks"
      },
      "enrollment_count": 49,
      "start_date": "2018-02-02",
      "completion_date": "2019-08-23",
      "has_results": true,
      "last_update_posted_date": "2024-04-19",
      "last_synced_at": "2026-09-05T15:30:45.719Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03370757"
    }
  ]
}