{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Fetal+Circulation+Syndrome",
    "query": {
      "condition": "Persistent Fetal Circulation Syndrome"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Fetal+Circulation+Syndrome&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:55:27.436Z",
  "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": "NCT02261883",
      "title": "Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Persistent Pulmonary Hypertension of the Newborn"
      ],
      "interventions": [
        {
          "name": "IV Remodulin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Hour",
        "maximum_age": "14 Days",
        "sex": "ALL",
        "summary": "1 Hour to 14 Days"
      },
      "enrollment_count": 42,
      "start_date": "2015-07-29",
      "completion_date": "2023-05-17",
      "has_results": true,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 11 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02261883"
    },
    {
      "nct_id": "NCT00443859",
      "title": "N-Terminal Pro-brain Natriuretic Peptide Hormone and Persistent Pulmonary Hypertension",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Persistent Pulmonary Hypertension of Newborn"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Christiana Care Health Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 10,
      "start_date": "2007-02",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2016-07-11",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 2,
      "location_summary": "Newark, Delaware • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00443859"
    },
    {
      "nct_id": "NCT01088997",
      "title": "Pharmacokinetic Study of Milrinone in Babies With Persistent Pulmonary Hypertension of the Newborn",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Persistent Fetal Circulation Syndrome"
      ],
      "interventions": [
        {
          "name": "Milrinone Lactate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "10 Days",
        "sex": "ALL",
        "summary": "Up to 10 Days"
      },
      "enrollment_count": 12,
      "start_date": "2010-06",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2016-07-12",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01088997"
    },
    {
      "nct_id": "NCT00371241",
      "title": "Antibody Secreting Cell and Cyotokine Profiles in Neonates on ECMO",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Persistent Fetal Circulation Syndrome",
        "Diaphragmatic Hernia",
        "Meconium Aspiration",
        "Sepsis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "30 Days",
        "sex": "ALL",
        "summary": "1 Day to 30 Days"
      },
      "enrollment_count": 12,
      "start_date": "2006-09",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2020-11-05",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00371241"
    },
    {
      "nct_id": "NCT02951130",
      "title": "Milrinone in Congenital Diaphragmatic Hernia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congenital Diaphragmatic Hernia",
        "Persistent Pulmonary Hypertension of the Newborn",
        "Hypoxemic Respiratory Failure",
        "Pulmonary Hypoplasia"
      ],
      "interventions": [
        {
          "name": "Milrinone",
          "type": "DRUG"
        },
        {
          "name": "Placebo (5% Dextrose)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Hours",
        "maximum_age": "168 Hours",
        "sex": "ALL",
        "summary": "0 Hours to 168 Hours"
      },
      "enrollment_count": 66,
      "start_date": "2017-10-24",
      "completion_date": "2025-05-19",
      "has_results": true,
      "last_update_posted_date": "2025-11-06",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • Atlanta, Georgia + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02951130"
    },
    {
      "nct_id": "NCT01203423",
      "title": "Persistent Pulmonary Hypertension of the Newborn (PPHN) Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infant, Newborn",
        "Infant, Low Birth Weight",
        "Infant, Small for Gestational Age",
        "Infant, Premature",
        "Persistent Fetal Circulation Syndrome",
        "Persistent Pulmonary Hypertension of Newborn"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "7 Days",
        "sex": "ALL",
        "summary": "Up to 7 Days"
      },
      "enrollment_count": 385,
      "start_date": "1993-10",
      "completion_date": "1994-12",
      "has_results": false,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 13,
      "location_summary": "Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203423"
    },
    {
      "nct_id": "NCT00005773",
      "title": "Early Inhaled Nitric Oxide for Respiratory Failure in Newborns",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infant, Newborn",
        "Hypertension, Pulmonary",
        "Persistent Fetal Circulation Syndrome",
        "Pneumonia, Aspiration",
        "Respiratory Distress Syndrome, Newborn",
        "Respiratory Insufficiency"
      ],
      "interventions": [
        {
          "name": "Inhaled Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Standard iNO therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "14 Days",
        "sex": "ALL",
        "summary": "Up to 14 Days"
      },
      "enrollment_count": 302,
      "start_date": "1998-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2017-09-26",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Palo Alto, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005773"
    },
    {
      "nct_id": "NCT00732537",
      "title": "Inhaled Nitric Oxide by Oxygen Hood in Neonates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Respiratory Failure",
        "Infant",
        "Persistent Fetal Circulation"
      ],
      "interventions": [
        {
          "name": "inhaled Nitric Oxide",
          "type": "DRUG"
        },
        {
          "name": "Oxygen (>90% by hood) - standard therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Hour",
        "maximum_age": "1 Week",
        "sex": "ALL",
        "summary": "1 Hour to 1 Week"
      },
      "enrollment_count": 8,
      "start_date": "1999-03",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2008-08-12",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00732537"
    },
    {
      "nct_id": "NCT00598429",
      "title": "Inhaled PGE1 in Neonatal Hypoxemic Respiratory Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infant, Newborn",
        "Respiratory Insufficiency",
        "Pulmonary Hypertension",
        "Respiratory Distress Syndrome, Newborn",
        "Streptococcal Infections"
      ],
      "interventions": [
        {
          "name": "Inhaled Prostaglandin E1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "7 Days",
        "sex": "ALL",
        "summary": "Up to 7 Days"
      },
      "enrollment_count": 0,
      "start_date": "2008-05",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • Iowa City, Iowa + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598429"
    },
    {
      "nct_id": "NCT01891500",
      "title": "Early iNO for Oxidative Stress, Vascular Tone and Inflammation in Babies With Hypoxic Respiratory Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Persistent Fetal Circulation Syndrome",
        "Hypertension, Pulmonary, of Newborn, Persistent",
        "Persistent Pulmonary Hypertension of Newborn"
      ],
      "interventions": [
        {
          "name": "Inhaled nitric oxide",
          "type": "DRUG"
        },
        {
          "name": "Nitrogen Gas",
          "type": "DRUG"
        },
        {
          "name": "Crossover iNO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Minutes",
        "maximum_age": "48 Hours",
        "sex": "ALL",
        "summary": "30 Minutes to 48 Hours"
      },
      "enrollment_count": 0,
      "start_date": "2016-05",
      "completion_date": "2019-09-19",
      "has_results": false,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-05-21T22:55:27.436Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01891500"
    }
  ]
}