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Showing 1–24 of 154 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 2 Interventional Results available

Smell in Covid-19 and Efficacy of Nasal Theophylline

NCT04789499
Conditions
Covid19, Anosmia, Olfactory Disorder, Covid-19 Pandemic, SARS-CoV-2 Infection, Hyposmia, Ageusia, Hypogeusia
Interventions
Theophylline Powder, Placebo Comparator
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Subjective Cognitive Concerns, Mild Cognitive Impairment, Mild Behavioral Impairment, Healthy Aging
Interventions
AROMHA Brain Health Test
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Results available

Smell Changes & Efficacy of Nasal Theophylline

NCT03990766
Conditions
Olfactory Disorder, Anosmia, Viral Infection, Theophylline Causing Adverse Effects in Therapeutic Use, Smell Disorder
Interventions
Theophylline, Saline Nasal
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
COVID-19 Lower Respiratory Infection, SARS-CoV2 Infection
Interventions
Osteopathic Manipulative Therapy
Other
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Dublin, Ohio
Completed Phase 2 Interventional Accepts healthy volunteers

Study of CYR-064 Versus Placebo in Patients.

NCT06019000
Conditions
Hyposmia
Interventions
CYR-064
Combination Product
Lead sponsor
Cyrano Therapeutics, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
14
States / cities
Colorado Springs, Colorado • Boca Raton, Florida • Plantation, Florida + 11 more
Conditions
Olfactory Dysfunction, Smell Loss, Anosmia, Hyposmia
Interventions
Sudoku Puzzles, ScentCare (Olfactory Training Device)
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Impact of Smell Testing on Health Outcomes

NCT07222891
Conditions
Olfactory Dysfunction, Wellbeing
Interventions
Patient-centered information and education
Behavioral
Lead sponsor
Monell Chemical Senses Center
Other
Eligibility
7 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Long COVID, Long Covid19, Post-COVID-19 Syndrome, Post Acute COVID-19 Syndrome, Dysautonomia, Anosmia, Dysgeusia, Brain Fog, Muscle Pain, Shortness of Breath, Dizziness, Fatigue Post Viral, Cough, Menstrual Cycle Abnormal, Pain
Interventions
Stellate Ganglion Block
Procedure
Lead sponsor
Metamorphosis LTD
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Cañon City, Colorado
Conditions
Adenoid Cystic Carcinoma, Squamous Cell Carcinoma, Sinonasal Carcinoma, Sinonasal Undifferentiated Carcinoma, Mucoepidermoid Carcinoma, Schneiderian Carcinoma, Myoepithelial Carcinoma, Esthesioneuroblastoma, Melanoma
Interventions
Proton radiation therapy, Intensity-modulated radiotherapy
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, Minnesota
Recruiting Not applicable Interventional

Olfactory Biopsies

NCT07021040
Conditions
Alzheimer Disease, Smell Loss, Smell Dysfunction
Interventions
olfactory testing, Odor stimulation, Olfactory biopsy
Diagnostic Test · Other · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Epilepsy
Interventions
diazepam nasal spray
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
12 Years to 65 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
33
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 26 more
Conditions
Colorectal Cancer, Endometrial Cancer, Head and Neck Cancer, Liver Cancer, Lung Cancer, Melanoma (Skin), Pancreatic Cancer, Testicular Germ Cell Tumor, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
aldesleukin, ras peptide cancer vaccine, sargramostim, DetoxPC
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

Nasal Obstruction and Olfactory Losses

NCT05920330
Conditions
Nasal Obstruction
Interventions
Nasal Plug
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Breast Cancer, Colorectal Cancer, Head and Neck Cancer, Lung Cancer, Prostate Cancer
Interventions
venipuncture, radiation therapy
Procedure · Radiation
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
3
States / cities
Nashville, Tennessee
Conditions
Sinonasal Neuroendocrine Carcinoma, Nasopharyngeal Carcinoma, Esthesioneuroblastoma, Olfactory Neuroblastoma, Somatostatin Receptor Positive, Small Cell Lung Cancers, Pheochromocytoma/Paragangliomas, Kidney Cancers, Head and Neck Tumors, Gastrointestinal Neuroendocrine Tumors
Interventions
68Ga-DOTATATE, [203Pb]VMT-alpha-NET, [212Pb]VMT-alpha-NET
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Head and Neck Cancer, Oral Complications, Radiation Toxicity
Interventions
cevimeline hydrochloride
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
71
States / cities
Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 61 more
Conditions
Kidney Failure, Chronic, Olfaction Disorders, Taste Disorders, Malnutrition
Interventions
Worsening of olfaction from enrollment visit to 6 months, Worsening of taste from enrollment visit to 6 months, Serum Zinc, Chronic rhinosinusitis, Dialysis adequacy, Decayed missing filled teeth index (DMFT)
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma, Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Colon Cancer, Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Metastatic Squamous Neck Cancer With Occult Primary, Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Non-small Cell Lung Cancer, Recurrent Pancreatic Cancer, Recurrent Rectal Cancer, Recurrent Salivary Gland Cancer, Recurrent Squamous Cell Carcinoma of the Hypopharynx, Recurrent Squamous Cell Carcinoma of the Larynx, Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity, Recurrent Squamous Cell Carcinoma of the Nasopharynx, Recurrent Squamous Cell Carcinoma of the Oropharynx, Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Recurrent Verrucous Carcinoma of the Larynx, Recurrent Verrucous Carcinoma of the Oral Cavity, Stage III Adenoid Cystic Carcinoma of the Oral Cavity, Stage III Basal Cell Carcinoma of the Lip, Stage III Colon Cancer, Stage III Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage III Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage III Lymphoepithelioma of the Nasopharynx, Stage III Lymphoepithelioma of the Oropharynx, Stage III Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage III Mucoepidermoid Carcinoma of the Oral Cavity, Stage III Pancreatic Cancer, Stage III Rectal Cancer, Stage III Salivary Gland Cancer, Stage III Squamous Cell Carcinoma of the Hypopharynx, Stage III Squamous Cell Carcinoma of the Larynx, Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage III Squamous Cell Carcinoma of the Nasopharynx, Stage III Squamous Cell Carcinoma of the Oropharynx, Stage III Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage III Verrucous Carcinoma of the Larynx, Stage III Verrucous Carcinoma of the Oral Cavity, Stage IIIB Non-small Cell Lung Cancer, Stage IV Adenoid Cystic Carcinoma of the Oral Cavity, Stage IV Basal Cell Carcinoma of the Lip, Stage IV Colon Cancer, Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage IV Lymphoepithelioma of the Nasopharynx, Stage IV Lymphoepithelioma of the Oropharynx, Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage IV Mucoepidermoid Carcinoma of the Oral Cavity, Stage IV Non-small Cell Lung Cancer, Stage IV Pancreatic Cancer, Stage IV Rectal Cancer, Stage IV Renal Cell Cancer, Stage IV Salivary Gland Cancer, Stage IV Squamous Cell Carcinoma of the Hypopharynx, Stage IV Squamous Cell Carcinoma of the Larynx, Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IV Squamous Cell Carcinoma of the Nasopharynx, Stage IV Squamous Cell Carcinoma of the Oropharynx, Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IV Verrucous Carcinoma of the Larynx, Stage IV Verrucous Carcinoma of the Oral Cavity, Untreated Metastatic Squamous Neck Cancer With Occult Primary
Interventions
erlotinib hydrochloride, cetuximab, bevacizumab, laboratory biomarker analysis
Drug · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
San Antonio, Texas
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
Conditions
COVID-19-Induced Parosmia
Interventions
Stellate Ganglion Block, Placebo Sham Injection
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
COVID-19
Interventions
theophylline, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Delirium, Dementia, Amnestic, Cognitive Disorders
Interventions
Donepezil
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Metastatic Squamous Neck Cancer With Occult Primary, Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Salivary Gland Cancer, Recurrent Squamous Cell Carcinoma of the Hypopharynx, Recurrent Squamous Cell Carcinoma of the Larynx, Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity, Recurrent Squamous Cell Carcinoma of the Nasopharynx, Recurrent Squamous Cell Carcinoma of the Oropharynx, Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Recurrent Thyroid Cancer, Recurrent Verrucous Carcinoma of the Larynx, Recurrent Verrucous Carcinoma of the Oral Cavity, Stage I Adenoid Cystic Carcinoma of the Oral Cavity, Stage I Basal Cell Carcinoma of the Lip, Stage I Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage I Follicular Thyroid Cancer, Stage I Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage I Lymphoepithelioma of the Nasopharynx, Stage I Lymphoepithelioma of the Oropharynx, Stage I Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage I Mucoepidermoid Carcinoma of the Oral Cavity, Stage I Papillary Thyroid Cancer, Stage I Salivary Gland Cancer, Stage I Squamous Cell Carcinoma of the Hypopharynx, Stage I Squamous Cell Carcinoma of the Larynx, Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage I Squamous Cell Carcinoma of the Oropharynx, Stage I Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage I Verrucous Carcinoma of the Larynx, Stage I Verrucous Carcinoma of the Oral Cavity, Stage II Adenoid Cystic Carcinoma of the Oral Cavity, Stage II Basal Cell Carcinoma of the Lip, Stage II Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage II Follicular Thyroid Cancer, Stage II Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage II Lymphoepithelioma of the Nasopharynx, Stage II Lymphoepithelioma of the Oropharynx, Stage II Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage II Mucoepidermoid Carcinoma of the Oral Cavity, Stage II Papillary Thyroid Cancer, Stage II Salivary Gland Cancer, Stage II Squamous Cell Carcinoma of the Hypopharynx, Stage II Squamous Cell Carcinoma of the Larynx, Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage II Squamous Cell Carcinoma of the Oropharynx, Stage II Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage II Verrucous Carcinoma of the Larynx, Stage II Verrucous Carcinoma of the Oral Cavity
Interventions
HPPH, photodynamic therapy, conventional surgery
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Completed No phase listed Observational

Legionnaires' Effect on Smell

NCT03321786
Conditions
Legionnaires' Disease
Interventions
The University of Pennsylvania Smell Identification Test (UPSIT)
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
10 participants
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Male Breast Cancer, Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma, Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Adult Brain Tumor, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Colon Cancer, Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Recurrent Hypopharyngeal Cancer, Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Recurrent Laryngeal Cancer, Recurrent Lip and Oral Cavity Cancer, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Metastatic Squamous Neck Cancer With Occult Primary, Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Nasopharyngeal Cancer, Recurrent Non-small Cell Lung Cancer, Recurrent Oropharyngeal Cancer, Recurrent Pancreatic Cancer, Recurrent Paranasal Sinus and Nasal Cavity Cancer, Recurrent Rectal Cancer, Recurrent Renal Cell Cancer, Recurrent Salivary Gland Cancer, Stage IIIA Breast Cancer, Stage IIIA Non-small Cell Lung Cancer, Stage IIIB Breast Cancer, Stage IIIB Non-small Cell Lung Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Stage IV Non-small Cell Lung Cancer, Stage IV Pancreatic Cancer, Stage IV Renal Cell Cancer, Stage IVA Colon Cancer, Stage IVA Rectal Cancer, Stage IVA Salivary Gland Cancer, Stage IVB Colon Cancer, Stage IVB Salivary Gland Cancer, Stage IVC Salivary Gland Cancer, Tongue Cancer, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
18F-fludeoxyglucose (18F-FDG), 18F-FPPRGD2
Drug
Lead sponsor
Sanjiv Sam Gambhir
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Stanford, California