{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Scale",
    "query": {
      "condition": "Pain Scale"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Scale&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T23:21:39.324Z",
  "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": "NCT04144985",
      "title": "Comfort Comparison of Intravitreal Injection Eyelid Retraction Techniques",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intravitreal Injection",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Visual analog scale (VAS) of pain to evaluate the discomfort participants experience.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York City Health and Hospitals Corporation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2017-10-01",
      "completion_date": "2018-03-31",
      "has_results": false,
      "last_update_posted_date": "2019-10-30",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04144985"
    },
    {
      "nct_id": "NCT02982213",
      "title": "Presence of a Companion During Performance of Neuraxial Labor Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Pain",
        "Health Knowledge, Attitudes, Practice"
      ],
      "interventions": [
        {
          "name": "Companion Present",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2016-12-01",
      "completion_date": "2017-04-01",
      "has_results": true,
      "last_update_posted_date": "2021-11-12",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02982213"
    },
    {
      "nct_id": "NCT03157882",
      "title": "Pediatric Pain Assessment in the Emergency Department",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain",
        "Acute Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 46,
      "start_date": "2016-08-13",
      "completion_date": "2019-04-11",
      "has_results": false,
      "last_update_posted_date": "2022-09-02",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03157882"
    },
    {
      "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": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Sayre, Pennsylvania",
      "locations": [
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124289"
    },
    {
      "nct_id": "NCT03797612",
      "title": "Study to Evaluate a Preop Dose of Brivoligide Injection for Pain After Knee Replacement in Patients With High PCS Scores",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Brivoligide Injection 660 mg/6 mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo 6 mL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adynxx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-01",
      "completion_date": "2022-02",
      "has_results": false,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 2,
      "location_summary": "Sheffield, Alabama • Phoenix, Arizona",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03797612"
    },
    {
      "nct_id": "NCT03047434",
      "title": "Characterization of PostOp Pain in Shoulder and Knee Arthroscopy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post Surgical Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Defense and Veterans Center for Integrative Pain Management",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2016-11-09",
      "completion_date": "2020-01-24",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03047434"
    },
    {
      "nct_id": "NCT01588535",
      "title": "Study of FAECC Scale (Modified FLACC) to Evaluate Ear Pain in Children With Acute Otitis Media",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain",
        "Otitis Media"
      ],
      "interventions": [
        {
          "name": "benzocaine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arbor Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "2 Months to 4 Years"
      },
      "enrollment_count": 38,
      "start_date": "2012-05",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2015-05-04",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 15,
      "location_summary": "Jonesboro, Arkansas • Miami Beach, Florida • West Des Moines, Iowa + 11 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        },
        {
          "city": "West Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Fremont",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01588535"
    },
    {
      "nct_id": "NCT02459964",
      "title": "Compare Fentanyl Nasal Spray With Intravenous Opioids to Treat Severe Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Advanced Cancers",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Fentanyl Nasal Spray",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Phone Call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 84,
      "start_date": "2015-09-14",
      "completion_date": "2020-06-21",
      "has_results": true,
      "last_update_posted_date": "2021-06-16",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02459964"
    },
    {
      "nct_id": "NCT00088686",
      "title": "Capsaicin to Control Pain Following Third Molar Extraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy",
        "Tooth Extraction"
      ],
      "interventions": [
        {
          "name": "Capsaicin (Intramucosal Injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 75,
      "start_date": "2004-07",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00088686"
    },
    {
      "nct_id": "NCT06465407",
      "title": "Collagen Protein Versus Placebo on Muscle Recovery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anthropometrics: Height and Weight",
        "Isometric Standing and Seated Plantarflexion",
        "Calf Muscle Thickness",
        "Achilles Tendon Length and Thickness",
        "Myotonography of the Calf Musculature and Achilles Tendon",
        "Pain Pressure Threshold of the Calf",
        "Pain Scale",
        "Endurance Calf Test",
        "Dietary Analysis"
      ],
      "interventions": [
        {
          "name": "Collagen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Central Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 36,
      "start_date": "2024-07-01",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-07-22T23:21:39.324Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06465407"
    }
  ]
}