{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prospective+Observational+Study&page=6",
    "query": {
      "condition": "Prospective Observational Study",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 694,
    "total_pages": 70,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prospective+Observational+Study&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prospective+Observational+Study&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T20:48:06.640Z",
  "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": "NCT05977686",
      "title": "Hemoglobin Testing in Pregnant Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post Partum Hemorrhage",
        "Anemia of Pregnancy"
      ],
      "interventions": [
        {
          "name": "Masimo Root Radical 7 Pulse CO-Oximeter",
          "type": "DEVICE"
        },
        {
          "name": "HemoCue Hb 801",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2025-12-03",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Falls Church, Virginia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05977686"
    },
    {
      "nct_id": "NCT05445869",
      "title": "Severe OSA Study (SOS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "ProSomnus® EVO Sleep and Snore Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ProSomnus Sleep Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 35,
      "start_date": "2022-09-12",
      "completion_date": "2024-02-15",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 5,
      "location_summary": "Redwood City, California • Boston, Massachusetts • Minneapolis, Minnesota + 2 more",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Fayetteville",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05445869"
    },
    {
      "nct_id": "NCT05489705",
      "title": "A Prospective Registry Study to Assess Real-world Patient Characteristics, Treatment Patterns, and Longitudinal Outcomes in Patients Receiving Mavacamten and Other Treatments for Symptomatic Obstructive Hypertrophic Cardiomyopathy (Obstructive-HCM)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Mavacamten",
          "type": "DRUG"
        },
        {
          "name": "Non-mavacamten symptomatic oHCM therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1700,
      "start_date": "2022-08-16",
      "completion_date": "2029-08-17",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 60,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 48 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489705"
    },
    {
      "nct_id": "NCT06843278",
      "title": "Donor Breast Milk and Serum Ferritin Levels in Very Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ferritin Levels in Very Preterm Infants"
      ],
      "interventions": [
        {
          "name": "maternal breast milk",
          "type": "OTHER"
        },
        {
          "name": "Donor breast milk",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AdventHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Weeks",
        "maximum_age": "4 Weeks",
        "sex": "ALL",
        "summary": "2 Weeks to 4 Weeks"
      },
      "enrollment_count": 34,
      "start_date": "2022-08-17",
      "completion_date": "2024-10-17",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06843278"
    },
    {
      "nct_id": "NCT01013350",
      "title": "Prospective Observational Long-term Safety Registry of Multiple Sclerosis Participants Who Have Participated in Cladribine Clinical Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1161,
      "start_date": "2009-11-30",
      "completion_date": "2018-10-25",
      "has_results": true,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01013350"
    },
    {
      "nct_id": "NCT00041964",
      "title": "A Study of HIV Levels During Pregnancy and After Childbirth",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections",
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "13 Years and older · Female only"
      },
      "enrollment_count": 129,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-07-24",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00041964"
    },
    {
      "nct_id": "NCT03939481",
      "title": "Treatment Effects on Development of Chemotherapy-Induced Peripheral Neuropathy in Patients With Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage IA Breast Cancer AJCC v8",
        "Anatomic Stage IB Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage IIA Breast Cancer AJCC v8",
        "Anatomic Stage IIB Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8",
        "Anatomic Stage IIIC Breast Cancer AJCC v8",
        "Lung Non-Small Cell Carcinoma",
        "Prognostic Stage I Breast Cancer AJCC v8",
        "Prognostic Stage IA Breast Cancer AJCC v8",
        "Prognostic Stage IB Breast Cancer AJCC v8",
        "Prognostic Stage II Breast Cancer AJCC v8",
        "Prognostic Stage IIA Breast Cancer AJCC v8",
        "Prognostic Stage IIB Breast Cancer AJCC v8",
        "Prognostic Stage III Breast Cancer AJCC v8",
        "Prognostic Stage IIIA Breast Cancer AJCC v8",
        "Prognostic Stage IIIB Breast Cancer AJCC v8",
        "Prognostic Stage IIIC Breast Cancer AJCC v8",
        "Stage I Lung Cancer AJCC v8",
        "Stage I Ovarian Cancer AJCC v8",
        "Stage IA Ovarian Cancer AJCC v8",
        "Stage IA1 Lung Cancer AJCC v8",
        "Stage IA2 Lung Cancer AJCC v8",
        "Stage IA3 Lung Cancer AJCC v8",
        "Stage IB Lung Cancer AJCC v8",
        "Stage IB Ovarian Cancer AJCC v8",
        "Stage IC Ovarian Cancer AJCC v8",
        "Stage II Lung Cancer AJCC v8",
        "Stage II Ovarian Cancer AJCC v8",
        "Stage IIA Lung Cancer AJCC v8",
        "Stage IIA Ovarian Cancer AJCC v8",
        "Stage IIB Lung Cancer AJCC v8",
        "Stage IIB Ovarian Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIA Ovarian Cancer AJCC v8",
        "Stage IIIA1 Ovarian Cancer AJCC v8",
        "Stage IIIA2 Ovarian Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIB Ovarian Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8",
        "Stage IIIC Ovarian Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Functional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1336,
      "start_date": "2019-05-14",
      "completion_date": "2027-02-01",
      "has_results": true,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 166,
      "location_summary": "Antioch, California • Dublin, California • Fremont, California + 132 more",
      "locations": [
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Dublin",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03939481"
    },
    {
      "nct_id": "NCT03841864",
      "title": "Ultrasound Guided Peripheral IV Insertion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "IV placement using ultrasound guidance vs traditional method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 667,
      "start_date": "2019-01-21",
      "completion_date": "2022-05-13",
      "has_results": false,
      "last_update_posted_date": "2022-05-17",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03841864"
    },
    {
      "nct_id": "NCT04746976",
      "title": "Study of Diroximel Fumarate in the Real-World Setting",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Relapsing Forms of MS"
      ],
      "interventions": [
        {
          "name": "Diroximel Fumarate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2021-03-01",
      "completion_date": "2023-04-14",
      "has_results": false,
      "last_update_posted_date": "2023-05-26",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 18,
      "location_summary": "West Hollywood, California • Washington D.C., District of Columbia • Louisville, Kentucky + 15 more",
      "locations": [
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Farmington",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04746976"
    },
    {
      "nct_id": "NCT06743620",
      "title": "Observational Registry for Iltamiocel Compared to Placebo for Urinary Sphincter Repair in Post-surgical Female Stress Incontinence",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stress Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "iltamiocel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cook MyoSite",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 96,
      "start_date": "2025-04-11",
      "completion_date": "2032-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-18T20:48:06.640Z",
      "location_count": 1,
      "location_summary": "Harvard, Massachusetts",
      "locations": [
        {
          "city": "Harvard",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06743620"
    }
  ]
}