{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Olfactory+Impairment",
    "query": {
      "condition": "Olfactory Impairment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:47:07.994Z",
  "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": "NCT01951118",
      "title": "Olfactory Deficits and Donepezil Treatment in Cognitively Impaired Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Delirium, Dementia, Amnestic, Cognitive Disorders"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 121,
      "start_date": "2013-10",
      "completion_date": "2019-05",
      "has_results": true,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951118"
    },
    {
      "nct_id": "NCT06191640",
      "title": "Sinus Disease in Young Children With Cystic Fibrosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis in Children",
        "Cystic Fibrosis",
        "Chronic Rhinosinusitis (Diagnosis)",
        "Olfactory Disorder",
        "Olfactory Impairment"
      ],
      "interventions": [
        {
          "name": "Ivacaftor or elexacaftor/tezacaftor/ivacaftor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "2 Years to 8 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-04-12",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Iowa City, Iowa • Kansas City, Kansas + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Colchester",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06191640"
    },
    {
      "nct_id": "NCT05019014",
      "title": "Olfactory Deficits in Neurologic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Traumatic Brain Injury",
        "Amyotrophic Lateral Sclerosis",
        "Frontotemporal Dementia",
        "Lewy Body Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 201,
      "start_date": "2011-08-10",
      "completion_date": "2020-07-03",
      "has_results": false,
      "last_update_posted_date": "2021-08-24",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019014"
    },
    {
      "nct_id": "NCT05225220",
      "title": "Multimodal Investigation of Post COVID-19 in Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post COVID-19",
        "Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Parasym Device (of Parasym Ltd, UK) using Transcutaneous Vagus Nerve Stimulation (t-VNS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Casa Colina Hospital and Centers for Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2022-03-01",
      "completion_date": "2023-01-06",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "Pomona, California",
      "locations": [
        {
          "city": "Pomona",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05225220"
    },
    {
      "nct_id": "NCT06825403",
      "title": "Olfactory Training in Mild Cognitive Impairment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Olfactory Memory Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visual Memory Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Jeffrey Motter",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "55 Years to 89 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-07",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06825403"
    },
    {
      "nct_id": "NCT05881239",
      "title": "Digital Accessible Remote Olfactory Mediated Health Assessments for Preclinical AD",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Subjective Cognitive Concerns",
        "Mild Cognitive Impairment",
        "Mild Behavioral Impairment",
        "Healthy Aging"
      ],
      "interventions": [
        {
          "name": "AROMHA Brain Health Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 250,
      "start_date": "2023-05-09",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05881239"
    },
    {
      "nct_id": "NCT05122598",
      "title": "Development and Evaluation of Computerized Olfactory Training Program for Cognitive Decline in Early Alzheimer's Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Early Alzheimer's Disease",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "COT",
          "type": "DRUG"
        },
        {
          "name": "Sham",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Evon Medics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 200,
      "start_date": "2021-11-15",
      "completion_date": "2023-04-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-17",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05122598"
    },
    {
      "nct_id": "NCT01845636",
      "title": "Olfactory Deficits in MCI as Predictor of Improved Cognition on Donepezil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Atropine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 41,
      "start_date": "2012-08",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2018-07-09",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01845636"
    },
    {
      "nct_id": "NCT07546617",
      "title": "In Vivo Imaging of the Olfactory Epithelium Using Confocal Laser Endomicroscopy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endonasal Surgery",
        "Endoscopic Sinus Surgery",
        "Olfactory Dysfunction"
      ],
      "interventions": [
        {
          "name": "CONVIVO system",
          "type": "DEVICE"
        },
        {
          "name": "Conventional histologic evaluation",
          "type": "OTHER"
        },
        {
          "name": "Fluorescein injection, USP 10%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2026-07-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-05-22T07:47:07.994Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07546617"
    }
  ]
}