{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Opioid+Induced+Respiratory+Depression",
    "query": {
      "condition": "Opioid Induced Respiratory Depression"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Opioid+Induced+Respiratory+Depression&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T05:36:39.984Z",
  "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": "NCT02811302",
      "title": "PRediction of Opioid-induced Respiratory Depression In Patients Monitored by capnoGraphY",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "Capnostream Monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1495,
      "start_date": "2017-04-07",
      "completion_date": "2018-05-07",
      "has_results": true,
      "last_update_posted_date": "2019-06-12",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 9,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Boston, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02811302"
    },
    {
      "nct_id": "NCT04047550",
      "title": "Respiratory Control and Narcotic Effects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventilatory Depression",
        "Opioid Intoxication",
        "Opioid Toxicity"
      ],
      "interventions": [
        {
          "name": "Ventilatory chemosensitivity",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-03-08",
      "completion_date": "2019-02-09",
      "has_results": false,
      "last_update_posted_date": "2020-08-27",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04047550"
    },
    {
      "nct_id": "NCT06854211",
      "title": "Impacts of Opioids on Respiratory Drive During Sleep",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Opioids",
        "Obstructive Sleep Apnea (OSA)"
      ],
      "interventions": [
        {
          "name": "Morphine p.o.",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 26,
      "start_date": "2026-07-01",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06854211"
    },
    {
      "nct_id": "NCT06719986",
      "title": "Pharmacodynamic Evaluation of Intramuscular Nalmefene Autoinjector 1.5 mg Compared to Intranasal Narcan 4 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Overdose"
      ],
      "interventions": [
        {
          "name": "Nalmefene HCl injection",
          "type": "DRUG"
        },
        {
          "name": "Naloxone HCl intranasal",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-10-03",
      "completion_date": "2022-12-23",
      "has_results": true,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06719986"
    },
    {
      "nct_id": "NCT06967259",
      "title": "ENA-001 for Opioid Induced Respiratory Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "ENA-001",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enalare Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2025-05-14",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Overland Park, Kansas • Eatontown, New Jersey",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06967259"
    },
    {
      "nct_id": "NCT07573150",
      "title": "Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-Induced Respiratory Depression",
        "Postoperative Complications (Cardiopulmonary)",
        "Respiratory Complications Due to Anesthesia"
      ],
      "interventions": [
        {
          "name": "Infrared Pupillometry",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NeurOptics Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 300,
      "start_date": "2026-05-04",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07573150"
    },
    {
      "nct_id": "NCT03925610",
      "title": "Recovery of Ventilation After General Anesthesia in Morbidly Obese Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Morbid Obesity",
        "Opioid-Related Disorders",
        "Surgery--Complications",
        "Sleep Apnea Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 8,
      "start_date": "2019-04-10",
      "completion_date": "2020-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03925610"
    },
    {
      "nct_id": "NCT03845699",
      "title": "Development of an Algorithm That Predicts Hypoventilation Due to an Opioid Overdose",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug Overdose",
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Diagnostic algorithms that detects/predicts hypoventilation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "RTM Vital Signs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-05-15",
      "completion_date": "2020-05-14",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845699"
    },
    {
      "nct_id": "NCT03441282",
      "title": "Precision Medicine in Anesthesia: Genetic Component in Opioid-induced Respiratory Depression",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 26,
      "start_date": "2018-10-30",
      "completion_date": "2025-05-21",
      "has_results": false,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03441282"
    },
    {
      "nct_id": "NCT04301895",
      "title": "Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid; Intoxication, Perception Disturbance (Acute)",
        "Acute Pain",
        "Overdose of Opiate",
        "Respiratory Depression",
        "Safety Issues"
      ],
      "interventions": [
        {
          "name": "Continuous conversational interaction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remifentanil infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-04-30",
      "completion_date": "2019-09-03",
      "has_results": false,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-06-11T05:36:39.984Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301895"
    }
  ]
}