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ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:04 PM EDT

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Showing 1–24 of 137 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Olfactory Nerve Diseases Clear all
Recruiting No phase listed Observational

A Natural History Study of Children and Adults With Olfactory Neuroblastoma

NCT04755205
View directory record Official record
Conditions
Olfactory Neuroblastoma, Esthesioneuroblastoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years to 120 Years
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 1:04 PM EDT
Completed No phase listed Observational

Growth Factor Levels in the Blood of Patients Undergoing Radiation Therapy for Epithelial Cancer

NCT00897793
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 12, 2013 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 20, 2026, 1:04 PM EDT
Withdrawn No phase listed Observational

Taste And Smell TEsting in End Stage Renal Disease

NCT03043144
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Oct 20, 2026, 1:04 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Treatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19

NCT04964414
View directory record Official record
Conditions
Dysosmia, Anosmia, Covid19
Interventions
Smell Retraining, Budesonide
Other · Drug
Lead sponsor
Amanda Stapleton
Other
Eligibility
6 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Results available

GM-CSF Mouthwash for Preventing and Treating Mucositis in Patients Undergoing Radiation Therapy for Head and Neck Cancer

NCT00293462
View directory record Official record
Conditions
Head and Neck Cancer, Mucositis Oral, Radiation Toxicity, Tongue Cancer
Interventions
sargramostim, oral salt and soda mouthwash
Biological · Other
Lead sponsor
Marilyn Dodd
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2021 · Synced Oct 20, 2026, 1:04 PM EDT
Completed No phase listed Observational

MRI Mapping in Planning Radiation Therapy to the Base of Skull and Brain in Patients With Nonmetastatic Head and Neck Cancer

NCT00984074
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
blood-oxygen-level-dependent functional magnetic resonance imaging, diffusion tensor imaging, dynamic contrast-enhanced magnetic resonance imaging, functional magnetic resonance imaging, intensity-modulated radiation therapy, radiation therapy treatment planning/simulation
Procedure · Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 120 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 20, 2026, 1:04 PM EDT
Recruiting No phase listed Observational

NIDCD Otolaryngology Clinical Protocol Biospecimen Bank

NCT06303180
View directory record Official record
Conditions
Hearing Loss, Head and Neck Neoplasms, Hearing Disorders, Laryngeal Disease
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
3 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Bevacizumab, Fluorouracil, and Hydroxyurea Plus Radiation Therapy in Treating Patients With Advanced Head and Neck Cancer

NCT00023959
View directory record Official record
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 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 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 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 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 IV Adenoid Cystic Carcinoma of the Oral Cavity, Stage IV Basal Cell Carcinoma of the Lip, 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 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
hydroxyurea, fluorouracil, bevacizumab, radiation therapy, filgrastim, laboratory biomarker analysis
Drug · Biological · Radiation + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Not applicable Interventional

Physician-Initiated Stop-Smoking Program for Patients Receiving Treatment for Early-Stage Cancer

NCT00002520
View directory record Official record
Conditions
Bladder Cancer, Breast Cancer, Colorectal Cancer, Head and Neck Cancer, Lung Cancer, Lymphoma, Prostate Cancer, Testicular Germ Cell Tumor, Tobacco Use Disorder, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
nicotine, Usual Care
Drug · Behavioral
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
19 Years to 120 Years
Enrollment
434 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1990
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Vaccine Therapy in Treating Patients With Advanced or Recurrent Cancer

NCT00019110
View directory record Official record
Conditions
Anal Cancer, Cervical Cancer, Esophageal Cancer, Head and Neck Cancer, Penile Cancer, Vulvar Cancer
Interventions
human papillomavirus 16 E7 peptide, synthetic human papillomavirus 16 E6 peptide
Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1995
U.S. locations
6
States / cities
Bethesda, Maryland • Boston, Massachusetts • Morristown, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional

Chemotherapy in Treating Patients With Solid Tumors

NCT00003103
View directory record Official record
Conditions
Bladder Cancer, Breast Cancer, Colorectal Cancer, Esophageal Cancer, Head and Neck Cancer, Kidney Cancer, Lung Cancer, Ovarian Cancer, Prostate Cancer, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
oblimersen sodium, docetaxel
Biological · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 3, 2013 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

MS-275 in Treating Patients With Advanced Solid Tumors or Lymphoma

NCT00020579
View directory record Official record
Conditions
Cancer
Interventions
entinostat
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
3
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2012 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Gemcitabine and Doxorubicin in Treating Patients With Recurrent or Progressive Head and Neck Cancer

NCT00509665
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
doxorubicin hydrochloride, gemcitabine hydrochloride
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 120 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Not applicable Interventional

Intranasal Injection of PRP Versus Saline for Treatment of Olfactory Dysfunction

NCT04406584
View directory record Official record
Conditions
Olfactory Disorder, Olfaction Disorders, Olfactory Nerve Injuries, Olfactory Nerve Disorder, Olfactory Nerve Diseases, Covid19, Post-Viral Disorder
Interventions
Injection into olfactory cleft
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
San Diego, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 20, 2026, 1:04 PM EDT
Withdrawn Phase 2 Interventional

Fluvoxamine to Augment Olfactory Recovery For Long COVID-19 Parosmia

NCT05216614
View directory record Official record
Conditions
COVID-19, Olfactory Disorder, Parosmia
Interventions
Fluvoxamine, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 20, 2026, 1:04 PM EDT
Completed No phase listed Observational

Collecting and Storing Tissue Samples From Patients With Head and Neck Cancer

NCT00898300
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
biologic sample preservation procedure, biopsy
Other · Procedure
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
97
States / cities
Birmingham, Alabama • Sacramento, California • Colorado Springs, Colorado + 68 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2015 · Synced Oct 20, 2026, 1:04 PM EDT
Not listed Not applicable Interventional

"Platelet Rich Plasma for the Management of Post-Viral Olfactory Dysfunction.

NCT05666492
View directory record Official record
Conditions
Olfactory Disorder, Olfaction Disorders
Interventions
Platelet rich plasma, Saline
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

COVID-19 Anosmia Study

NCT04495816
View directory record Official record
Conditions
Anosmia, Covid19
Interventions
Omega-3 Fatty Acid Supplement, Placebo/Control
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 20, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Olfactory Transcranial Focused Ultrasound

NCT07658365
View directory record Official record
Conditions
Healthy, Olfaction
Interventions
transcranial focused ultrasound (tFUS)
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 20, 2026, 1:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Olfactory Deficits in Neurologic Disease

NCT05019014
View directory record Official record
Conditions
Alzheimer Disease, Traumatic Brain Injury, Amyotrophic Lateral Sclerosis, Frontotemporal Dementia, Lewy Body Disease, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 24, 2021 · Synced Oct 20, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Steroid Nasal Irrigation for Flavor Evaluation and Detection Study

NCT02985515
View directory record Official record
Conditions
Olfactory Disorder
Interventions
Smell training
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 20, 2026, 1:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Expectation on Natural and Drug -Induced Rewards

NCT01036230
View directory record Official record
Conditions
Drug Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 20, 2026, 1:04 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Tissue Sample Collection From Patients With Head and Neck Cancer and From Healthy Participants

NCT00898638
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
biologic sample preservation procedure, medical chart review
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2050
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Oct 20, 2026, 1:04 PM EDT