{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smell+perception",
    "query": {
      "intervention": "Smell perception"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 140,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smell+perception&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T02:57:13.702Z",
  "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": "NCT05040659",
      "title": "Longitudinal At Home Smell Testing to Detect Infection by SARS-CoV-2",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anosmia",
        "Asymptomatic COVID-19",
        "COVID-19 Respiratory Infection",
        "Influenza",
        "Healthy",
        "PASC Post Acute Sequelae of COVID 19"
      ],
      "interventions": [
        {
          "name": "AROMHA Longitudinal Smell 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": 1000,
      "start_date": "2022-11-14",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05040659"
    },
    {
      "nct_id": "NCT05855369",
      "title": "Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smell Dysfunction",
        "Olfactory Disorder",
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Trigeminal Nerve Stimulation (TNS)",
          "type": "DEVICE"
        },
        {
          "name": "Active Smell Training (ST)",
          "type": "OTHER"
        },
        {
          "name": "Placebo Smell Training (PBO)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 145,
      "start_date": "2023-10-02",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855369"
    },
    {
      "nct_id": "NCT05728970",
      "title": "POC Performance Evaluation of LumiraDx SARS-CoV-2 Ag Ultra and SARS-CoV-2 & Flu A/B Tests.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2",
        "Influenza A",
        "Influenza B",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "LumiraDx SARS-CoV-2 Ag Ultra",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "LumiraDx SARS-CoV-2 & Flu A/B",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "LumiraDx UK Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 716,
      "start_date": "2023-02-09",
      "completion_date": "2023-04-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 10,
      "location_summary": "Garden Grove, California • Lomita, California • DeLand, Florida + 6 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05728970"
    },
    {
      "nct_id": "NCT07546617",
      "title": "In Vivo Imaging of the Olfactory Epithelium Using Confocal Laser Endomicroscopy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Endonasal Surgery",
        "Endoscopic Sinus Surgery",
        "Olfactory Dysfunction"
      ],
      "interventions": [
        {
          "name": "CONVIVO system",
          "type": "DEVICE"
        },
        {
          "name": "Fluorescein injection, USP 10%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2026-04-28",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07546617"
    },
    {
      "nct_id": "NCT03224416",
      "title": "Individual and Contextual Factors That Influence Sexual Decisions",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binge Drinking",
        "Unsafe Sex",
        "HIV/AIDS",
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "Alcohol Administration",
          "type": "OTHER"
        },
        {
          "name": "Placebo Alcohol Administration",
          "type": "OTHER"
        },
        {
          "name": "No Alcohol Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "21 Years to 35 Years · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2017-05-01",
      "completion_date": "2019-02-28",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224416"
    },
    {
      "nct_id": "NCT04431908",
      "title": "Validation of a Rapid Quantitative Test for Loss of Smell in COVID-19 Subjects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "olfactory device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1320,
      "start_date": "2020-06-15",
      "completion_date": "2020-11-18",
      "has_results": true,
      "last_update_posted_date": "2021-06-02",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04431908"
    },
    {
      "nct_id": "NCT07222891",
      "title": "Impact of Smell Testing on Health Outcomes",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Olfactory Dysfunction",
        "Wellbeing"
      ],
      "interventions": [
        {
          "name": "Patient-centered information and education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Monell Chemical Senses Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2025-11-01",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07222891"
    },
    {
      "nct_id": "NCT01572142",
      "title": "Decrease in Sense of Smell and Associated Cognitive Decline in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2010-08",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2017-09-29",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01572142"
    },
    {
      "nct_id": "NCT03299062",
      "title": "Smell, Voice and Nasal Swabs as Markers for Neuro-degenerative Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Neurodegenerative Diseases"
      ],
      "interventions": [
        {
          "name": "Cytology and Immunohistochemistry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "19 Years to 89 Years"
      },
      "enrollment_count": 9,
      "start_date": "2017-11-14",
      "completion_date": "2021-12-21",
      "has_results": true,
      "last_update_posted_date": "2022-11-25",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03299062"
    },
    {
      "nct_id": "NCT03611673",
      "title": "At-Home Olfactory Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Olfactory Disorder"
      ],
      "interventions": [
        {
          "name": "Smell Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 70,
      "start_date": "2018-06-02",
      "completion_date": "2021-04-19",
      "has_results": false,
      "last_update_posted_date": "2023-07-20",
      "last_synced_at": "2026-09-06T02:57:13.702Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03611673"
    }
  ]
}