{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=smell+tests&page=2",
    "query": {
      "intervention": "smell tests",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=smell+tests&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T02:41:48.294Z",
  "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": "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": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03611673"
    },
    {
      "nct_id": "NCT06115291",
      "title": "Olfactory Training in Various Populations",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Olfactory Disorder",
        "Smell Disorder",
        "Traumatic Brain Injury",
        "Concussion, Brain"
      ],
      "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": 250,
      "start_date": "2020-02-13",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06115291"
    },
    {
      "nct_id": "NCT07567794",
      "title": "GBPDC: Gut-Brain in PD Consortium Master Protocol",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease (PD)",
        "PARKINSON DISEASE (Disorder)",
        "Gut Microbiome",
        "Gut Microbiota",
        "Prodromal Parkinsons Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 250,
      "start_date": "2026-07-03",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 7,
      "location_summary": "Stanford, California • Chicago, Illinois • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07567794"
    },
    {
      "nct_id": "NCT07660887",
      "title": "Olfactory Dysfunction in Aging Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Olfactory Dysfunction"
      ],
      "interventions": [
        {
          "name": "Clinical and Biomarker Assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2027-04-01",
      "completion_date": "2032-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07660887"
    },
    {
      "nct_id": "NCT07304024",
      "title": "A Treatment for a Form of Age-Related Central Auditory Processing Disorder Consisting of Clemastine Fumarate Plus Engineered Sound",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Central Auditory Processing Disorder",
        "Hearing Impaired (Partially)",
        "Hearing",
        "Hearing Abnormality",
        "Hearing Disability",
        "Hearing Disorder",
        "Hearing Disorders",
        "Hearing Impairment, Sensorineural",
        "Hearing Handicap",
        "Hearing Impaired",
        "Hearing Impairment",
        "Hearing Loss",
        "Central Auditory Disease",
        "Noise Exposure",
        "Noise Induced Hearing Loss",
        "Noise-Induced Hearing Loss",
        "Sound Perception",
        "Myelin Degeneration",
        "Myelinopathy",
        "Myelin Integrity",
        "Remyelination",
        "Hidden Hearing Loss",
        "Cocktail Party Skill",
        "Cocktail Party Syndrome",
        "CAPD",
        "Age Problem"
      ],
      "interventions": [
        {
          "name": "Clemastine Fumarate Combined With Engineered Sound",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Clemastine Fumarate Combined With Pink Noise",
          "type": "DRUG"
        },
        {
          "name": "Placebo Drug With Engineered Sound",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo - Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 344,
      "start_date": "2025-03-31",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07304024"
    },
    {
      "nct_id": "NCT05787444",
      "title": "Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2",
        "Influenza A",
        "Influenza B",
        "Asymptomatic COVID-19"
      ],
      "interventions": [
        {
          "name": "LumiraDx SARS-CoV-2 & Flu A/B",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "LumiraDx UK Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 1081,
      "start_date": "2023-05-04",
      "completion_date": "2024-04-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Cullman, Alabama",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05787444"
    },
    {
      "nct_id": "NCT01019343",
      "title": "Physiological Investigations of Movement Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Tourette's Syndrome",
        "Tic Disorders",
        "Dystonia",
        "Movement Disorders"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation (tDCS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Eye-tracking Device",
          "type": "DEVICE"
        },
        {
          "name": "Pulsed vibrator",
          "type": "DEVICE"
        },
        {
          "name": "Gait Trainer Treadmill (GTT)",
          "type": "OTHER"
        },
        {
          "name": "Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA",
          "type": "OTHER"
        },
        {
          "name": "iMobility",
          "type": "DEVICE"
        },
        {
          "name": "QMAT",
          "type": "DEVICE"
        },
        {
          "name": "Treadmill Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Arm Intellistretch Device",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Sonography (TCS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Behavioral tasks",
          "type": "OTHER"
        },
        {
          "name": "TMS single/paired pulse",
          "type": "PROCEDURE"
        },
        {
          "name": "MEG",
          "type": "PROCEDURE"
        },
        {
          "name": "EEG",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI techniques",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral Nerve Stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "EMG",
          "type": "PROCEDURE"
        },
        {
          "name": "Trancutaneous spinal direct current stimulation (tsDCS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1273,
      "start_date": "2009-12-08",
      "completion_date": "2020-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01019343"
    },
    {
      "nct_id": "NCT04964414",
      "title": "Treatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dysosmia",
        "Anosmia",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Smell Retraining",
          "type": "OTHER"
        },
        {
          "name": "Budesonide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Amanda Stapleton",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-09-30",
      "completion_date": "2023-03-29",
      "has_results": true,
      "last_update_posted_date": "2024-06-13",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04964414"
    },
    {
      "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": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07222891"
    },
    {
      "nct_id": "NCT04912531",
      "title": "Virtual Reality and Olfactory Stimuli Multimodal Intervention to Reduce Post-Operative Pain and Anxiety in Patients Undergoing Cardiothoracic Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Anxiety Postoperative",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Virtual Realty using a Microsoft Hololens, Empatica HR wristband, and EEG",
          "type": "DEVICE"
        },
        {
          "name": "Essence Olfactory Necklace",
          "type": "DEVICE"
        },
        {
          "name": "Bedside Olfaction Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2022-10-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-09-25T02:41:48.294Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04912531"
    }
  ]
}