{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opioid+naive",
    "query": {
      "intervention": "Opioid naive"
    },
    "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?intervention=Opioid+naive&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T17:48:21.294Z",
  "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": "NCT02641340",
      "title": "Fentanyl Sublingual Spray in Opioid Naive Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacology"
      ],
      "interventions": [
        {
          "name": "Fentanyl Sublingual Spray",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl Citrate IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INSYS 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": 96,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-03-30",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02641340"
    },
    {
      "nct_id": "NCT06949826",
      "title": "Buprenorphine as a Post-operative Analgesic in Opioid-Naive Patients After Ankle Fracture Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Ankle Fracture Surgery",
        "Opioid Use Disorder",
        "Opioid Dependence",
        "Opioid Analgesia"
      ],
      "interventions": [
        {
          "name": "Buprenorphine Transdermal System",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jenna-Leigh Wilson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-04-21",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06949826"
    },
    {
      "nct_id": "NCT01685684",
      "title": "Oxycodone DETERx™ Versus Placebo in Chronic Low Back Pain (CLBP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Oxycodone DETERx",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Collegium Pharmaceutical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 740,
      "start_date": "2012-08",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 45,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 41 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01685684"
    },
    {
      "nct_id": "NCT02362672",
      "title": "Efficacy and Safety Study of NKTR-181 in Opioid-Naive Subjects With Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Low Back Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "NKTR-181 BID tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match NKTR-181 BID tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nektar Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1189,
      "start_date": "2015-03-11",
      "completion_date": "2017-02",
      "has_results": true,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 54,
      "location_summary": "Saraland, Alabama • Phoenix, Arizona • Tempe, Arizona + 48 more",
      "locations": [
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02362672"
    },
    {
      "nct_id": "NCT01633944",
      "title": "Efficacy Study to Evaluate Buprenorphine HCl Buccal Film in Opioid-Naive Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioDelivery Sciences International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 752,
      "start_date": "2012-08",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-02-27",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 60,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Anaheim, California + 51 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01633944"
    },
    {
      "nct_id": "NCT04787692",
      "title": "Impact of Daily, Digital and Behavioral Tele-health Tapering Program for Perioperative Surgical Patients Exposed to Opioids and Benzodiazepines.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elective Spine Surgery Receiving Pre and/or Postoperative Pain Control With Opioids"
      ],
      "interventions": [
        {
          "name": "Opioid and Benzodiazepine Naive-patients",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opioid and Benzodiazepine Tolerant-patients",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2020-08-07",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-04",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04787692"
    },
    {
      "nct_id": "NCT04392011",
      "title": "Assessing the Pharmacokinetics and Drug Interaction Liability of Kratom, an Opioid-like Natural Product",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Interaction Drug Food"
      ],
      "interventions": [
        {
          "name": "Midazolam HCl",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan HBr",
          "type": "DRUG"
        },
        {
          "name": "Kratom",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-10-09",
      "completion_date": "2021-08-31",
      "has_results": true,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04392011"
    },
    {
      "nct_id": "NCT04477304",
      "title": "Application of Economics & Social Psychology to Improve Opioid Prescribing Safety Trial 1: EHR Nudges",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Abuse, Unspecified"
      ],
      "interventions": [
        {
          "name": "Opioid Naive, OR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "At-risk for long-term use, OR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Long-term opioid recipient",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 555,
      "start_date": "2020-12-01",
      "completion_date": "2023-08-06",
      "has_results": true,
      "last_update_posted_date": "2025-08-07",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04477304"
    },
    {
      "nct_id": "NCT04601493",
      "title": "PRescribing INterventions for Chronic Pain Via the Electronic Health Record Study - Opioid-Naive Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Opioid Use",
        "Opioid Abuse"
      ],
      "interventions": [
        {
          "name": "Choice Architecture Nudge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PMP Integration & Nudge",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 631,
      "start_date": "2020-08-26",
      "completion_date": "2021-10-01",
      "has_results": true,
      "last_update_posted_date": "2024-08-26",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04601493"
    },
    {
      "nct_id": "NCT03773484",
      "title": "Application of Economics & Social Psychology to Improve Opioid Prescribing Safety (AESOPS): R21 Pilot Phase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use, Unspecified"
      ],
      "interventions": [
        {
          "name": "Opioid naive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "At-risk for long term use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Long-term opioid recipient",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2019-03-25",
      "completion_date": "2019-11-30",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-09-07T17:48:21.294Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03773484"
    }
  ]
}