{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=18",
    "query": {
      "intervention": "Observational Control",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 644,
    "total_pages": 65,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Control&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T05:39:10.662Z",
  "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": "NCT02605343",
      "title": "Prospective Observational Clinical Study to Evaluate Patient Outcomes Following Pharmacogenetic Testing of Patients Undergoing Elective Surgical Procedures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Pain",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "NeuroIDgenetix Test Panel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AltheaDx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2015-08",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-06-06",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02605343"
    },
    {
      "nct_id": "NCT07614906",
      "title": "Nitric Oxide Consumption as a Predictor of Vasospasm in Subarachnoid Hemorrhage",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aneurysmal Subarachnoid Hemorrhage",
        "Cerebral Vasospasm"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-03-03",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07614906"
    },
    {
      "nct_id": "NCT02035826",
      "title": "A Randomized Trial of Patient Financial Incentives to Reduce CVD Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease (CVD)"
      ],
      "interventions": [
        {
          "name": "Behavioral Economics Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 53,
      "start_date": "2014-01",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02035826"
    },
    {
      "nct_id": "NCT05139498",
      "title": "Conservative Management for PAS Pilot",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Placenta Accreta"
      ],
      "interventions": [
        {
          "name": "Conservative management for placenta accreta spectrum (PAS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Cesarean hysterectomy for placenta accreta spectrum (PAS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 4,
      "start_date": "2022-05-26",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05139498"
    },
    {
      "nct_id": "NCT02052895",
      "title": "Utility of Presepsin in Distinguishing Between Sepsis and SIRS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SIRS",
        "Sepsis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mochida Pharmaceutical Company, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 226,
      "start_date": "2014-01",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2018-08-21",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02052895"
    },
    {
      "nct_id": "NCT00908999",
      "title": "Functional Magnetic Resonance Imaging (fMRI) of Anosognosia in Amnestic Mild Cognitive Impairment (MCI) and Alzheimer's Disease (AD)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anosognosia",
        "Alzheimer's Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2008-04",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2011-09-29",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00908999"
    },
    {
      "nct_id": "NCT03063463",
      "title": "Mechanisms of Weight Loss in Patients Diagnosed With Achalasia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Achalasia"
      ],
      "interventions": [
        {
          "name": "pneumatic dilation",
          "type": "PROCEDURE"
        },
        {
          "name": "surgical myotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "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": 7,
      "start_date": "2017-02-15",
      "completion_date": "2023-09-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063463"
    },
    {
      "nct_id": "NCT05178498",
      "title": "Impact of Dietary Inflammatory Potential on Breast Cancer Risk",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Atypical Ductal Hyperplasia",
        "Breast Atypical Lobular Hyperplasia",
        "Breast Carcinoma",
        "Breast Lobular Carcinoma In Situ",
        "Breast Sclerosing Adenosis"
      ],
      "interventions": [
        {
          "name": "Follow-Up",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 960,
      "start_date": "2023-10-25",
      "completion_date": "2035-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05178498"
    },
    {
      "nct_id": "NCT04962698",
      "title": "Robotically Augmented Mental Practice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Visual motor imagery (MI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Kinesthetic MI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Robotic-Hand Interaction with MI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Robotic-Hand Interaction without MI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Virtual-Hand Interaction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Robotic Action Observation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Rest",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgia Institute of Technology",
      "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": 25,
      "start_date": "2022-05-11",
      "completion_date": "2023-05-16",
      "has_results": true,
      "last_update_posted_date": "2023-10-19",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04962698"
    },
    {
      "nct_id": "NCT02902887",
      "title": "Monitored Controlled Intermittent Alternate Occlusion (CIAO) Therapy for Intermittent Exotropia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intermittent Exotropia"
      ],
      "interventions": [
        {
          "name": "Controlled Intermittent Alternate Occlusion (CIAO ) glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Salus University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "3 Years to 11 Years"
      },
      "enrollment_count": 60,
      "start_date": "2016-08",
      "completion_date": "2021-05",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-10-24T05:39:10.662Z",
      "location_count": 1,
      "location_summary": "Elkins Park, Pennsylvania",
      "locations": [
        {
          "city": "Elkins Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02902887"
    }
  ]
}