{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Experimental&page=2",
    "query": {
      "condition": "Pain, Experimental",
      "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?condition=Pain%2C+Experimental&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T14:07:19.225Z",
  "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": "NCT01642030",
      "title": "Study of the Treatment of Experimental Pain in Opioid Dependent Persons on Methadone or Buprenorphine Maintenance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Dependence",
        "Pain",
        "Addiction"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 132,
      "start_date": "2013-08",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01642030"
    },
    {
      "nct_id": "NCT01571362",
      "title": "A Research Study of an Investigational Drug ALO-02 (Oxycodone Hydrochloride and Naltrexone Hydrochloride) in Patients With Moderate to Severe Chronic Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain",
        "Low Back Pain",
        "Analgesia"
      ],
      "interventions": [
        {
          "name": "ALO-02",
          "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": 410,
      "start_date": "2012-06",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 52,
      "location_summary": "Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571362"
    },
    {
      "nct_id": "NCT05763758",
      "title": "Spatiotemporal Thalamocortical Alterations Underlie Experimental and Chronic Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Experimental Pain",
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 200,
      "start_date": "2023-11-21",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 2,
      "location_summary": "Tallahassee, Florida • Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05763758"
    },
    {
      "nct_id": "NCT05318521",
      "title": "RCT, Blinded, 2-Arm Efficacy Study of IP and Placebo in Patients With Chronic Pain Related to Osteoarthritis of the Knee",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Degenerative Arthritis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen modified release tablet 800 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Overseas Pharmaceuticals, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-12-10",
      "completion_date": "2022-10-19",
      "has_results": false,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "West Palm Beach, Florida",
      "locations": [
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05318521"
    },
    {
      "nct_id": "NCT04299490",
      "title": "Effects of Experimental Sleep Disturbances on Receptor Function of Study Drug",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disorder",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Sleep Fragmentation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Within-Subject test of blinded study medication (stimulant, benzodiazepine, opioid, cannabinoid, over-the-counter pain medication, or placebo)",
          "type": "DRUG"
        },
        {
          "name": "Sleep Continuity Disruption",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Undisturbed Sleep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "ALL",
        "summary": "18 Years to 48 Years"
      },
      "enrollment_count": 148,
      "start_date": "2020-11-11",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04299490"
    },
    {
      "nct_id": "NCT00521196",
      "title": "Migraine--Investigational Treatment of Migraine With Noninvasive Brain Stimulation. (tDCS- Migraine)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "DC Stimulator (Transcranial Direct Current Stimulator)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2007-07",
      "completion_date": "2012-01-13",
      "has_results": false,
      "last_update_posted_date": "2017-03-21",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00521196"
    },
    {
      "nct_id": "NCT03031938",
      "title": "Protocol to Monitor the Neurological Development of Infants With Exposure in Utero From Birth to 15 Months in Tanezumab Clinical Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Cancer Pain",
        "Recurrent Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Investigational medical product (IMP) administered in parent study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "0 Years to 2 Months"
      },
      "enrollment_count": 4,
      "start_date": "2017-11-03",
      "completion_date": "2020-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Sarasota, Florida • Tampa, Florida + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031938"
    },
    {
      "nct_id": "NCT07437313",
      "title": "Marine Lipids Ease Painful TMD",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Temporomandibular Disorder (TMD)"
      ],
      "interventions": [
        {
          "name": "SPM Precursor-Enriched Marine Lipid Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Medium-Chain Triglyceride Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": "2026-08",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07437313"
    },
    {
      "nct_id": "NCT05563948",
      "title": "Repeated Administration of Cannabis Varying in THC and CBD",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cannabis"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-06-01",
      "completion_date": "2034-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05563948"
    },
    {
      "nct_id": "NCT04283643",
      "title": "Noninvasive Brain Stimulation for Pain Relief",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Acute",
        "Pain, Chronic",
        "Pain, Experimental"
      ],
      "interventions": [
        {
          "name": "Transcranial Focused Ultrasound",
          "type": "OTHER"
        },
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 149,
      "start_date": "2019-04-01",
      "completion_date": "2021-04-01",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-07-24T14:07:19.225Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04283643"
    }
  ]
}