{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Protocol&page=5",
    "query": {
      "intervention": "Observational Protocol",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 258,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Protocol&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+Protocol&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T19:52:21.639Z",
  "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": "NCT06463704",
      "title": "General Pre-Trial Screening Protocol for Infectious Diseases Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "There is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2024-06-21",
      "completion_date": "2034-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06463704"
    },
    {
      "nct_id": "NCT03031938",
      "title": "Protocol to Monitor the Neurological Development of Infants With Exposure in Utero From Birth to 15 Months in Tanezumab Clinical Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Cancer Pain",
        "Recurrent Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Investigational medical product (IMP) administered in parent study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "0 Years to 2 Months"
      },
      "enrollment_count": 4,
      "start_date": "2017-11-03",
      "completion_date": "2020-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Sarasota, Florida • Tampa, Florida + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031938"
    },
    {
      "nct_id": "NCT01873131",
      "title": "A Clinical Trial of Pulsed-dye Laser Versus Timolol Topical Solution Versus Observation on the Growth of Hemangioma in Newborn",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemangioma"
      ],
      "interventions": [
        {
          "name": "topical timolol maleate",
          "type": "DRUG"
        },
        {
          "name": "Pulsed dye laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "Up to 3 Months"
      },
      "enrollment_count": 126,
      "start_date": "2011-02",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01873131"
    },
    {
      "nct_id": "NCT06097312",
      "title": "PREHEVBRIO Pregnancy Outcomes Registry",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaccine Exposure During Pregnancy"
      ],
      "interventions": [
        {
          "name": "Data collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VBI Vaccines Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 0,
      "start_date": "2023-11-30",
      "completion_date": "2032-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06097312"
    },
    {
      "nct_id": "NCT01114477",
      "title": "NeuroStar TMS Therapy System: Utilization and Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Neuronetics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 307,
      "start_date": "2010-03",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 44,
      "location_summary": "Phoenix, Arizona • Berkeley, California • Beverly Hills, California + 38 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "El Dorado Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01114477"
    },
    {
      "nct_id": "NCT05060315",
      "title": "Evaluate Real-World Use of Next Generation Infusion Pumps to Administer Remodulin",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Remunity Pump for Remodulin",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2023-07-05",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-16",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Morrisville, North Carolina",
      "locations": [
        {
          "city": "Morrisville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05060315"
    },
    {
      "nct_id": "NCT00816335",
      "title": "Fludeoxyglucose F 18 PET/CT Imaging in Finding Cancer in Patients Undergoing Surgery for Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "PET/CT scan",
          "type": "PROCEDURE"
        },
        {
          "name": "18F-FDG Injection",
          "type": "DRUG"
        },
        {
          "name": "Preoperative 18F-FDG PET/CT Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "18F-FDG for patients with Bladder Cancer",
          "type": "DRUG"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Specimen PET/CT Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 65,
      "start_date": "2008-10",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2016-04-04",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00816335"
    },
    {
      "nct_id": "NCT01652157",
      "title": "Long-term Study in US Cystic Fibrosis Patients Receiving Digestive Enzyme Supplements to Assess Narrowing of the Large Intestine Causing Adverse Intestinal Symptoms (Fibrosing Colonopathy)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fibrosing Colonopathy"
      ],
      "interventions": [
        {
          "name": "ULTRESA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PANCREAZE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CREON",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ZENPEP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "other non-sponsor pancreatic enzyme replacement therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PERTZYE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "No pancreatic enzyme replacement therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "0 Months to 99 Years"
      },
      "enrollment_count": 17,
      "start_date": "2012-07-31",
      "completion_date": "2020-04-08",
      "has_results": false,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 123,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 102 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01652157"
    },
    {
      "nct_id": "NCT06627777",
      "title": "From Toddler to Early Adolescent Emotion Regulation Strategies",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emotion Regulation"
      ],
      "interventions": [
        {
          "name": "Laboratory tasks in early adolescence",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Miami University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "10 Years to 15 Years"
      },
      "enrollment_count": 204,
      "start_date": "2023-10-23",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Oxford, Ohio",
      "locations": [
        {
          "city": "Oxford",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06627777"
    },
    {
      "nct_id": "NCT05894083",
      "title": "A Phase II Study for p16+ Oropharyngeal Cancer PerSonalized De-escalation Treatment at University of MIchigan (CuSToMIze)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oropharyngeal Cancer",
        "Squamous Cell Carcinoma of the Oropharynx"
      ],
      "interventions": [
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemoradiation",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        },
        {
          "name": "Post-operative radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "COMBINATION_PRODUCT",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel 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": 150,
      "start_date": "2023-04-27",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-31T19:52:21.639Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05894083"
    }
  ]
}