{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tramadol&page=2",
    "query": {
      "intervention": "Tramadol",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tramadol&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T07:06:37.126Z",
  "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": "NCT00643383",
      "title": "A Two-Arm Study Comparing the Analgesic Efficacy and Safety of Acetaminophen and Tramadol Combination BID Versus Placebo for the Treatment of Acute Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Combination drug (Acetaminophen + Tramadol)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Labopharm 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": 277,
      "start_date": "2008-03",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2012-05-01",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 18,
      "location_summary": "Montgomery, Alabama • Centennial, Colorado • Hialeah, Florida + 14 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Largo",
          "state": "Florida"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00643383"
    },
    {
      "nct_id": "NCT04003350",
      "title": "The Effect of Prolonged Multimodal Analgesic Regimen on Post Hospital Discharge Opioid Use and Pain Control After Primary Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Tylenol",
          "type": "DRUG"
        },
        {
          "name": "Meloxicam",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Metaxalone",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole 20mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2017-12-21",
      "completion_date": "2019-03-15",
      "has_results": false,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04003350"
    },
    {
      "nct_id": "NCT01188421",
      "title": "Medications Development for Drug Abuse Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Opioid Related Disorders",
        "Opioid Dependence",
        "Opioid Addiction"
      ],
      "interventions": [
        {
          "name": "Buprenorphine/naloxone",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Tramadol ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 106,
      "start_date": "2010-10",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01188421"
    },
    {
      "nct_id": "NCT03243032",
      "title": "Pre-Emptive Analgesia in Dental Implant Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Ibuprofen 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Local anesthetic Group 1",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Local anesthetic Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Satheesh Elangovan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-10-06",
      "completion_date": "2017-11-06",
      "has_results": false,
      "last_update_posted_date": "2018-10-12",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03243032"
    },
    {
      "nct_id": "NCT02958566",
      "title": "Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Colon Cancer",
        "Colon Diverticulosis",
        "Colonic Neoplasms",
        "Colonic Diverticulitis",
        "Pain, Postoperative",
        "Ileus",
        "Ileus Paralytic",
        "Ileus; Mechanical",
        "Constipation Drug Induced",
        "Constipation",
        "Rectum Cancer",
        "Rectum Neoplasm"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Orphenadrine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Marcaine",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Dilaudid",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone-Acetaminophen Tab 5-325 MG",
          "type": "DRUG"
        },
        {
          "name": "HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois College of Medicine at Peoria",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2017-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Peoria, Illinois",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02958566"
    },
    {
      "nct_id": "NCT04440475",
      "title": "Tap Block vs Conventional Pain Medication for Patients Undergoing Robotic Sacrocolpopexy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local",
        "Prolapse",
        "Prolapse; Female",
        "Prolapse, Vaginal",
        "Prolapse; Vagina, Posthysterectomy",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "ProMedica Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2020-06-28",
      "completion_date": "2022-01-30",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Toledo, Ohio",
      "locations": [
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04440475"
    },
    {
      "nct_id": "NCT00290901",
      "title": "Celebrex vs Tramadol in the Treatment of Chronic Lower Back Pain.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Tramadol Hydrochloride 50mg",
          "type": "DRUG"
        },
        {
          "name": "Celebrex 200mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 754,
      "start_date": "2006-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-03-03",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 53,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 50 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00290901"
    },
    {
      "nct_id": "NCT07796152",
      "title": "Suzetrigine vs. Standard Care Pain Relief Following Outpatient Knee Replacement Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Arthroplasty, Total",
        "Post Operative Pain, Acute",
        "Opioid Consumption, Postoperative"
      ],
      "interventions": [
        {
          "name": "Suzetrigine",
          "type": "DRUG"
        },
        {
          "name": "Opioid standard care pain medicine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "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": "2026-09",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Skokie, Illinois",
      "locations": [
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07796152"
    },
    {
      "nct_id": "NCT02297126",
      "title": "A Prospective Trial to Assess Cost and Clinical Outcomes of a Clinical Pharmacogenomic Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adverse Drug Reaction"
      ],
      "interventions": [
        {
          "name": "Pharmacogenetic Intervention Arm (pharmacogenetic testing)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4465,
      "start_date": "2015-03",
      "completion_date": "2019-05-03",
      "has_results": false,
      "last_update_posted_date": "2021-01-08",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02297126"
    },
    {
      "nct_id": "NCT01517711",
      "title": "Tramadol Extended-Release (ER) for Posttraumatic Stress Disorder (PTSD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INTRuST, Post-Traumatic Stress Disorder - Traumatic Brain Injury Clinical Consortium",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-09",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2022-08-31",
      "last_synced_at": "2026-09-25T07:06:37.126Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01517711"
    }
  ]
}