{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=NRS",
    "query": {
      "intervention": "NRS"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 62,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=NRS&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T23:16:17.032Z",
  "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": "NCT04285853",
      "title": "Are Opioids Needed After ACL Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Rupture"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "14 Years to 40 Years"
      },
      "enrollment_count": 98,
      "start_date": "2020-09-16",
      "completion_date": "2022-09-19",
      "has_results": true,
      "last_update_posted_date": "2023-10-11",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Tucker, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Tucker",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04285853"
    },
    {
      "nct_id": "NCT07094542",
      "title": "Jaw Muscle Pain Post Wisdom Molar Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Operative Pain",
        "Impacted Third Molar Tooth",
        "Muscle Pain"
      ],
      "interventions": [
        {
          "name": "Temporo-masseteric Nerve Block Injection",
          "type": "DRUG"
        },
        {
          "name": "Oral Pain Medications only",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 80,
      "start_date": "2026-09",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07094542"
    },
    {
      "nct_id": "NCT04979247",
      "title": "Intravenous Oliceridine and Opioid-related Complications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Surgery"
      ],
      "interventions": [
        {
          "name": "Oliceridine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 204,
      "start_date": "2021-09-15",
      "completion_date": "2024-01-10",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 3,
      "location_summary": "Winston-Salem, North Carolina • Cleveland, Ohio",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04979247"
    },
    {
      "nct_id": "NCT01816763",
      "title": "Effective Screening for Pain Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "NRS pain one week",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PEG",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DVPRS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 569,
      "start_date": "2015-06",
      "completion_date": "2017-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-07-19",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 3,
      "location_summary": "Palo Alto, California • Minneapolis, Minnesota • Portland, Oregon",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01816763"
    },
    {
      "nct_id": "NCT04124289",
      "title": "A Functional Pain Scale to Improve the Patient Experience",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain Measurement"
      ],
      "interventions": [
        {
          "name": "Pain measurement using 3 scales",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Guthrie Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2019-10-29",
      "completion_date": "2020-07-02",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Sayre, Pennsylvania",
      "locations": [
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124289"
    },
    {
      "nct_id": "NCT05509400",
      "title": "Efficacy and Tolerability of Rimegepant for the Acute Treatment of Migraine in Adults Unsuitable for Triptan Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Rimegepant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 813,
      "start_date": "2022-10-18",
      "completion_date": "2025-06-10",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 23,
      "location_summary": "Los Angeles, California • Stamford, Connecticut • Lake City, Florida + 20 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Lake City",
          "state": "Florida"
        },
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "Ormond Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05509400"
    },
    {
      "nct_id": "NCT02808962",
      "title": "Optimal Performance of RFA of the Nerves Supplying the Posterior Sacroiliac Joint Complex.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis Nos, of Sacroiliac Joint"
      ],
      "interventions": [
        {
          "name": "Cooled RFA of sacral lateral branches",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2016-02-17",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-11",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02808962"
    },
    {
      "nct_id": "NCT05379179",
      "title": "Ketamine Pilot Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rattlesnake Envenomation"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meghan Spyres",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 3,
      "start_date": "2022-06-20",
      "completion_date": "2022-08-27",
      "has_results": true,
      "last_update_posted_date": "2024-02-14",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05379179"
    },
    {
      "nct_id": "NCT06279195",
      "title": "Phenotyping of Idiopathic Pelvic Pain With Real-time Uterine Imaging and Relugolix-Combination Therapy Treatment",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pelvic Pain"
      ],
      "interventions": [
        {
          "name": "Relugolix (40 mg) /estradiol (1 mg)/norethisterone acetate (0.5 mg) oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2024-06-01",
      "completion_date": "2025-11-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06279195"
    },
    {
      "nct_id": "NCT02135094",
      "title": "Low Intensity Ultrasound Therapy for Upper Back Pain Relief",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Spasm"
      ],
      "interventions": [
        {
          "name": "Active ultrasound therapy device",
          "type": "DEVICE"
        },
        {
          "name": "Placebo ultrasound therapy device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ZetrOZ, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 33,
      "start_date": "2014-06",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2020-04-02",
      "last_synced_at": "2026-09-05T23:16:17.032Z",
      "location_count": 1,
      "location_summary": "Trumbull, Connecticut",
      "locations": [
        {
          "city": "Trumbull",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02135094"
    }
  ]
}