{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Volunteers&page=26",
    "query": {
      "condition": "Volunteers",
      "page": 26
    },
    "page_size": 10
  },
  "pagination": {
    "page": 26,
    "page_size": 10,
    "total_count": 4835,
    "total_pages": 484,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Volunteers&page=27&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Volunteers&page=25&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T14:41:14.368Z",
  "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": "NCT04589403",
      "title": "1a/1b Study of OPT101 First in Human Study Assessing Safety and Tolerability of 15-mer Peptide.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "OPT101",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Op-T LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-02-18",
      "completion_date": "2021-09-27",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Centennial, Colorado",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04589403"
    },
    {
      "nct_id": "NCT02962739",
      "title": "The Cellular Pharmacology of F-TAF in Dried Blood Spots",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "emtricitabine 200 mg/tenofovir alafenamide 25mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 38,
      "start_date": "2016-03",
      "completion_date": "2019-05-22",
      "has_results": true,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02962739"
    },
    {
      "nct_id": "NCT02446002",
      "title": "Assessment of the Effect of Naltrexone on Lofexidine Single Dose Pharmacokinetics in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lofexidine + Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USWM, LLC (dba US WorldMeds)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-05",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02446002"
    },
    {
      "nct_id": "NCT05305222",
      "title": "A Study in Healthy Japanese and Caucasian Subjects to Assess the Pharmacokinetics, Safety and Tolerability of Risankizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Risankizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2017-10-23",
      "completion_date": "2018-06-15",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05305222"
    },
    {
      "nct_id": "NCT01821066",
      "title": "A Study To Determine If Coadministration Of Tamoxifen Alters The Extent Or Rate Of Palbociclib (PD-0332991) Absorption Or Elimination In Healthy Male Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PD-0332991 alone",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen 60 mg",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen 20 mg",
          "type": "DRUG"
        },
        {
          "name": "PD-0332991 combination",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 25,
      "start_date": "2013-04",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2015-10-08",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01821066"
    },
    {
      "nct_id": "NCT00647751",
      "title": "Food Study of Lamotrigine Tablets 25 mg to Lamictal® Tablets 25 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lamotrigine Tablets 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Lamictal® Tablets 25 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2004-08",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00647751"
    },
    {
      "nct_id": "NCT05429073",
      "title": "A Study of RGLS8429 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "RGLS8429",
          "type": "DRUG"
        },
        {
          "name": "Placebo volume-matching RGLS8429 dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regulus Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-06-10",
      "completion_date": "2022-09-08",
      "has_results": true,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05429073"
    },
    {
      "nct_id": "NCT03603431",
      "title": "Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of MRG-110 Following Intradermal Injection in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "MRG-110",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "miRagen Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 42,
      "start_date": "2018-04-09",
      "completion_date": "2019-03-13",
      "has_results": false,
      "last_update_posted_date": "2019-05-07",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603431"
    },
    {
      "nct_id": "NCT06052631",
      "title": "Microneurographic Assessment of Peripheral Nerves in Healthy Volunteers and Individuals With Sensory Dysfunction Caused by Inherited Mutations in the PIEZO2 Gene",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PIEZO2-Deficiency Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 16,
      "start_date": "2026-11-02",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-28",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06052631"
    },
    {
      "nct_id": "NCT00376896",
      "title": "Study On The Effect Of GW876008 On Cerebral Blood Flow In Irritable Bowel Syndrome (IBS) Patients And Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Irritable Colon",
        "Irritable Bowel Syndrome (IBS)"
      ],
      "interventions": [
        {
          "name": "GW876008 200mcg",
          "type": "DRUG"
        },
        {
          "name": "GW876008 20mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2006-11",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2017-05-16",
      "last_synced_at": "2026-10-28T14:41:14.368Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00376896"
    }
  ]
}