{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=39",
    "query": {
      "condition": "Pain Syndrome",
      "page": 39
    },
    "page_size": 10
  },
  "pagination": {
    "page": 39,
    "page_size": 10,
    "total_count": 954,
    "total_pages": 96,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=40&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=38&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T13:06:29.438Z",
  "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": "NCT02214550",
      "title": "Chronic Pain Risk Associated With Menstrual Period Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cystitis, Interstitial",
        "Dysmenorrhea",
        "Migraine Disorders",
        "Pelvic Pain",
        "Endometriosis",
        "Visceral Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "cyclic microgestin 1/20",
          "type": "DRUG"
        },
        {
          "name": "continuous microgestin 1/20",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 353,
      "start_date": "2014-07",
      "completion_date": "2021-01",
      "has_results": true,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02214550"
    },
    {
      "nct_id": "NCT00445224",
      "title": "Comparing Rehabilitation Programs for Patellofemoral Pain Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Hip Progressive Resistive Exercise",
          "type": "OTHER"
        },
        {
          "name": "Quad Progressive Resistive Exercises",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Timothy Uhl",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 35 Years · Female only"
      },
      "enrollment_count": 33,
      "start_date": "2008-01",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2017-03-28",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00445224"
    },
    {
      "nct_id": "NCT01421160",
      "title": "Regulating Urine pH Levels to Alleviate Chronic Joint Pain",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "sodium citrate and citric acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Tech University Health Sciences Center, El Paso",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-07",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2017-05-16",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "El Paso, Texas",
      "locations": [
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01421160"
    },
    {
      "nct_id": "NCT02872961",
      "title": "SIBO, Immune Activation, and FGIDs in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Intestinal Bacterial Overgrowth",
        "Irritable Bowel Syndrome",
        "Functional Dyspepsia",
        "Functional Abdominal Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 54,
      "start_date": "2013-04",
      "completion_date": "2017-02-13",
      "has_results": false,
      "last_update_posted_date": "2021-03-29",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872961"
    },
    {
      "nct_id": "NCT01624610",
      "title": "Comparing the Effectiveness of 2 Diets for Patients With Irritable Bowel Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Dietary intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "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": "2012-07",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-03-31",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01624610"
    },
    {
      "nct_id": "NCT07276542",
      "title": "Clinical Trial Exploring the Outpatient Treatment of Phantom Limb Pain With Ketamine Administration in a Six Month Study With a Minimum Remission Period of 7 Days Between Treatment Session. 25-30 Subjects With an Ongoing History of Significant PLP.--FDA and IRB Approved.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Phantom Limb Syndrome With Pain"
      ],
      "interventions": [
        {
          "name": "IM ketamine in dose finding and then continuation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Ketamine Research Foundation",
      "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": 30,
      "start_date": "2026-01-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 4,
      "location_summary": "Sacramento, California • San Anselmo, California • Santa Monica, California + 1 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Anselmo",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07276542"
    },
    {
      "nct_id": "NCT03886753",
      "title": "Pharmacokinetic (PK) and Pharmacodynamics (PD) Study of Ilera Specific Products",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ALS",
        "Autism Spectrum Disorder",
        "Cancer",
        "Spasticity, Muscle",
        "Dyskinetic Syndrome",
        "Epilepsy",
        "Glaucoma",
        "Huntington Disease",
        "Inflammatory Bowel Disease (IBD)",
        "Multiple Sclerosis",
        "Neuropathy",
        "Opioid Use",
        "Parkinson Disease",
        "HIV/AIDS",
        "Ptsd",
        "Intractable Pain",
        "Sickle Cell Disease",
        "Terminal Illness"
      ],
      "interventions": [
        {
          "name": "Registry",
          "type": "OTHER"
        },
        {
          "name": "PK microsampling of blood",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2019-05-15",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03886753"
    },
    {
      "nct_id": "NCT01709214",
      "title": "Safety and Efficacy Study of GRT6005 in Patients With Osteoarthritis (OA) Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Moderate to Severe Chronic Pain Due to Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Cebranopadol (GRT6005) Low-Dose Range",
          "type": "DRUG"
        },
        {
          "name": "Cebranopadol (GRT6005) High-Dose Range",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone CR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tris Pharma, 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": 619,
      "start_date": "2012-12-04",
      "completion_date": "2014-04-04",
      "has_results": false,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 83,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 74 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01709214"
    },
    {
      "nct_id": "NCT05485207",
      "title": "Transvaginal Botulinum Toxin A for Interstitial Cystitis / Bladder Pain Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Transvaginal botulinum toxin A (BTA) injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": 5,
      "start_date": "2022-04-04",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-04-19",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05485207"
    },
    {
      "nct_id": "NCT05897632",
      "title": "CARE-CP (Testing a Cardiovascular Ambulatory Rapid Evaluation for Patients With Chest Pain)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chest Pain"
      ],
      "interventions": [
        {
          "name": "Outpatient Evaluation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hospitalization Evaluation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 502,
      "start_date": "2023-10-02",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-29T13:06:29.438Z",
      "location_count": 3,
      "location_summary": "Detroit, Michigan • Charlotte, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05897632"
    }
  ]
}