{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceptions&page=5",
    "query": {
      "condition": "Perceptions",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 824,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceptions&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceptions&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T23:10:12.182Z",
  "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": "NCT00001360",
      "title": "Studies of Blood Flow to the Brain During Thought",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 4100,
      "start_date": "1993-09-17",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001360"
    },
    {
      "nct_id": "NCT03494335",
      "title": "Online Surveys to Assess the Perception and Performance of Imaging and Associated Aspects",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Perception of Imaging"
      ],
      "interventions": [
        {
          "name": "Online surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-08-30",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03494335"
    },
    {
      "nct_id": "NCT03471689",
      "title": "Multisensory Integration and Pain Perception",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Regulation, Self"
      ],
      "interventions": [
        {
          "name": "Mindfulness meditation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positive reappraisal",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "18 Years to 23 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-11-08",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03471689"
    },
    {
      "nct_id": "NCT05026333",
      "title": "Cognitive and Biological Responses in Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress, Psychological",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Cognitive Stress Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 100,
      "start_date": "2021-06-25",
      "completion_date": "2022-07-15",
      "has_results": false,
      "last_update_posted_date": "2022-10-12",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05026333"
    },
    {
      "nct_id": "NCT05332743",
      "title": "Nutraceutical Supplement With Vegan Botanicals in Females With Self-Perceived Thinning Hair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hair Thinning"
      ],
      "interventions": [
        {
          "name": "Nutrafol Vegan Women's Hair Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nutraceutical Wellness Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 110,
      "start_date": "2022-05-19",
      "completion_date": "2023-06-23",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 2,
      "location_summary": "Manhattan Beach, California • Sacramento, California",
      "locations": [
        {
          "city": "Manhattan Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05332743"
    },
    {
      "nct_id": "NCT07224555",
      "title": "Study Evaluating Xtressé Gummy Supplement in Women With Self-Perceived Thinning Hair",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hair Thinning"
      ],
      "interventions": [
        {
          "name": "Xtressé Hair Growth Gummies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Restore Biologics Holdings, Inc. dba Xtressé",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2025-03-27",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 4,
      "location_summary": "Maitland, Florida • Alpharetta, Georgia • Marriottsville, Maryland + 1 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Alpharetta",
          "state": "Georgia"
        },
        {
          "city": "Marriottsville",
          "state": "Maryland"
        },
        {
          "city": "Bellevue",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07224555"
    },
    {
      "nct_id": "NCT04181632",
      "title": "Evaluation of Pain Alleviating Strategies During Allergy Shots",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunotherapy",
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Buzzy Bee with Ice pack",
          "type": "DEVICE"
        },
        {
          "name": "Buzzy Bee without Ice pack",
          "type": "DEVICE"
        },
        {
          "name": "Shot Blocker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nemours Children's Clinic",
      "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": 40,
      "start_date": "2019-05-20",
      "completion_date": "2020-08-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04181632"
    },
    {
      "nct_id": "NCT04890132",
      "title": "Vestibular Precision: Physiology & Pathophysiology",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vestibular Schwannoma",
        "Inner Ear Disease",
        "Dizziness",
        "Neurofibromatosis 2",
        "Vestibular Disorder"
      ],
      "interventions": [
        {
          "name": "VOR precision training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "8 Years to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2020-07-01",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-03-16",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04890132"
    },
    {
      "nct_id": "NCT00903643",
      "title": "Sensory Processing in Subjects With Painful Bladder Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Painful Bladder Syndrome"
      ],
      "interventions": [
        {
          "name": "Physical examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 34,
      "start_date": "2008-05",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-22",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00903643"
    },
    {
      "nct_id": "NCT04301895",
      "title": "Pupillary Unrest in Ambient Light, and Relationship to Opioid-Induced Respiratory Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid; Intoxication, Perception Disturbance (Acute)",
        "Acute Pain",
        "Overdose of Opiate",
        "Respiratory Depression",
        "Safety Issues"
      ],
      "interventions": [
        {
          "name": "Continuous conversational interaction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remifentanil infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-04-30",
      "completion_date": "2019-09-03",
      "has_results": false,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-10-22T23:10:12.182Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301895"
    }
  ]
}