{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Acute+Severe+Pain&page=8",
    "query": {
      "condition": "Acute Severe Pain",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 463,
    "total_pages": 47,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Acute+Severe+Pain&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Acute+Severe+Pain&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T09:24:27.999Z",
  "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": "NCT04420988",
      "title": "Investigational COVID-19 Convalescent Plasma Infusion for Severely or Life-threateningly Ill COVID-19 Patients",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "COVID-19",
        "SARS-CoV 2",
        "SARS-CoV Infection"
      ],
      "interventions": [
        {
          "name": "COVID-19 Convalescent Plasma",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 2,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04420988"
    },
    {
      "nct_id": "NCT04388813",
      "title": "Predictors of Severe COVID-19 Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Respiratory Distress Syndrome",
        "COVID-19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Verily Life Sciences LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 494,
      "start_date": "2020-05-28",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2024-05-28",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04388813"
    },
    {
      "nct_id": "NCT07502339",
      "title": "Upadacitinib in Patients Hospitalized With Acute Severe Ulcerative Colitis",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "UC - Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Upadacitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 50,
      "start_date": "2026-10-15",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07502339"
    },
    {
      "nct_id": "NCT04280471",
      "title": "Fecal Microbiota Transplantation for the Treatment of Severe Acute Gut Graft-Versus-Host Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Graft Versus Host Disease",
        "Gastrointestinal Tract Acute Graft Versus Host Disease",
        "Severe Gastrointestinal Tract Acute Graft Versus Host Disease",
        "Steroid Resistant Gastrointestinal Tract Acute Graft Versus Host Disease"
      ],
      "interventions": [
        {
          "name": "Fecal Microbiota Transplantation Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "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": 0,
      "start_date": "2023-09-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-22",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04280471"
    },
    {
      "nct_id": "NCT05543616",
      "title": "A Study to Learn About Variant-Adapted COVID-19 RNA Vaccine Candidate(s) in Healthy Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "SARS-CoV-2 Virus",
        "Severe Acute Respiratory Syndrome Coronavirus 2",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 3 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 6 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 10 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Variant-adapted BNT162b2 (Omicron XBB.1.5) 3 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Variant-adapted BNT162b2 (Omicron XBB.1.5) 6 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Variant-adapted BNT162b2 (Omicron XBB.1.5) 10 microgram dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Variant-adapted BNT162b2 (Omicron KP.2) 10 microgram dose",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Months to 11 Years"
      },
      "enrollment_count": 4338,
      "start_date": "2022-09-23",
      "completion_date": "2026-07-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05543616"
    },
    {
      "nct_id": "NCT01376765",
      "title": "Phase I Dose Escalation SARS-CoV Recombinant S Protein, With and Without Adjuvant, Vaccine Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS"
      ],
      "interventions": [
        {
          "name": "Aluminum hydroxide adjuvant (Alhydrogel®)",
          "type": "DRUG"
        },
        {
          "name": "Phosphate buffered saline Placebo",
          "type": "OTHER"
        },
        {
          "name": "Recombinant S protein SARS vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-15",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 3,
      "location_summary": "Iowa City, Iowa • St Louis, Missouri • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01376765"
    },
    {
      "nct_id": "NCT07072793",
      "title": "A US Study to Look at Loss of Work and Healthcare Costs for People Affected With Mild-to-moderate COVID 19 Who Have High Chances of the Disease Becoming Severe",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 (Coronavirus Disease 2019)"
      ],
      "interventions": [
        {
          "name": "nirmatrelvir-ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 131005,
      "start_date": "2024-10-31",
      "completion_date": "2024-11-15",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07072793"
    },
    {
      "nct_id": "NCT05313087",
      "title": "COVID-19 Vaccine Response in Chronic Respiratory Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV Infection"
      ],
      "interventions": [
        {
          "name": "COVID-19 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2021-02-03",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05313087"
    },
    {
      "nct_id": "NCT01200017",
      "title": "Expanded Access Protocol (EAP) Using the CliniMACS® Device for Pediatric Haplocompatible Donor Stem Cell Transplant",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Chronic Myeloid Leukemia",
        "Myelodysplastic Syndrome",
        "Lymphomas",
        "Bone Marrow Failure",
        "Hemoglobinopathy",
        "Immune Deficiency",
        "Osteopetrosis",
        "Cytopenias",
        "Leukocyte Disorders",
        "Anemia Due to Intrinsic Red Cell Abnormality"
      ],
      "interventions": [
        {
          "name": "CD34+ enriched, T Cell Depleted donor stem cell product",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Christopher Dvorak",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "2 Months to 30 Years"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-05-27",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01200017"
    },
    {
      "nct_id": "NCT00056966",
      "title": "Conditioning Regimen for Allogeneic Hematopoietic Stem Cell Transplantation of Patients With Hematological Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Malignancy"
      ],
      "interventions": [
        {
          "name": "ANTI-CD45",
          "type": "DRUG"
        },
        {
          "name": "CAMPATH-1H",
          "type": "DRUG"
        },
        {
          "name": "FK506",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Stem cell infusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 24,
      "start_date": "2002-11",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2012-06-29",
      "last_synced_at": "2026-10-14T09:24:27.999Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00056966"
    }
  ]
}