{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydrocodone+ER",
    "query": {
      "intervention": "Hydrocodone ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T05:00:33.486Z",
  "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": "NCT01240863",
      "title": "Study to Evaluate the Efficacy and Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) for Relief of Moderate to Severe Pain in Patients With Osteoarthritis or Low Back Pain Who Require Opioid Treatment for an Extended Period of Time",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "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": 391,
      "start_date": "2010-11",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 73,
      "location_summary": "Mobile, Alabama • Chandler, Arizona • Scottsdale, Arizona + 63 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240863"
    },
    {
      "nct_id": "NCT01631513",
      "title": "An Open-label Evaluation of Tapentadol Extended Release (ER) in Participants With Moderate to Severe Chronic Pain After Conversion From Hydrocodone, Oxycodone Controlled Release (CR), and/or Morphine Sustained Release (SR)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain",
        "Chronic Back Pain",
        "Chronic Low Back Pain",
        "Osteoarthritis Pain In The Hip or Knee"
      ],
      "interventions": [
        {
          "name": "Nucynta ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-08",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 7,
      "location_summary": "Jacksonville, Florida • Prairie Village, Kansas • Mandeville, Louisiana + 4 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Prairie Village",
          "state": "Kansas"
        },
        {
          "city": "Mandeville",
          "state": "Louisiana"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01631513"
    },
    {
      "nct_id": "NCT01400139",
      "title": "Long-term Safety of Once-daily Hydrocodone Bitartrate (HYD) Tablets For Moderate to Severe Chronic Nonmalignant and Nonneuropathic Pain. Includes a 24-week Extension Period.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Nonmalignant and Nonneuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone bitartrate q24h film-coated tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 922,
      "start_date": "2011-07",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 98,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 81 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01400139"
    },
    {
      "nct_id": "NCT01223365",
      "title": "Study to Evaluate the Long-Term Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) in Patients Who Require Opioid Treatment for an Extended Period of Time",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "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": 330,
      "start_date": "2010-10",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 54,
      "location_summary": "Mobile, Alabama • Anaheim, California • Beverly Hills, California + 46 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01223365"
    },
    {
      "nct_id": "NCT01922739",
      "title": "Open-Label, Extension Study to Evaluate the Safety of Hydrocodone Bitartrate Extended-Release Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "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": 182,
      "start_date": "2013-07",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922739"
    },
    {
      "nct_id": "NCT01789970",
      "title": "Efficacy and Safety of Hydrocodone Bitartrate Extended-Release Tablets for Moderate to Severe Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone ER",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "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": 625,
      "start_date": "2013-03",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 87,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 71 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01789970"
    },
    {
      "nct_id": "NCT01452529",
      "title": "Efficacy and Safety of Hydrocodone Bitartrate (HYD) in Subjects With Moderate to Severe Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Hydrocodone bitartrate q24h film-coated tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match hydrocodone bitartrate q24h tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 905,
      "start_date": "2011-10",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-09-04T05:00:33.486Z",
      "location_count": 102,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 83 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01452529"
    }
  ]
}