236 Studies Now Enrolling
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Displaying 1 - 32 of 32
Condition: Ear, Nose and Throat / Loss of Smell
Investigator: Jonathan Overdevest, MD, PhD
Status: Currently Recruiting
The Columbia University Department of Otolaryngology is interested in understanding altered flavor perception through the Cognitive Flavor Assessment Protocol (CFAP), a novel multisensory diagnostic and training framework that links smell and taste function to cognitive and emotional health. You can participate in this study if you are an adult between 18…
Condition: Ear, Nose and Throat / Hearing Loss
Investigator: Justin Golub, MD, MS
Status: Currently Recruiting
Early Age-Related Hearing Loss Investigation (EARHLI) is a study to obtain information on how a hearing aid-based intervention can prevent cognitive decline in those at risk for Alzheimer's Disease and Alzheimer's Disease Related Dementias (AD/ADRD). Age-related hearing loss (ARHL) is the third most common chronic condition in older adults. The…
Condition: Ear, Nose and Throat
Investigator: Yi Cai, Md
Status: Currently Recruiting
We are currently looking for adult patients who have undergone successful treatment of their obstructive sleep apnea with a hypoglossal nerve stimulator implant (i.e. Inspire therapy). Participants should be willing to participate in at-home sleep studies and come to Columbia University Irving Medical Center for at least 2 study visits. Participants will…
Condition: Ear, Nose and Throat
Investigator: Jonathan Overdevest, MD, PhD
Status: Currently Recruiting
The Columbia Otolaryngology Department is interested in understanding how sense of smell relates to memory and neurocognition. Participation will involve answering a series of questionnaires, completing a formal evaluation of your smell with standardized measurements, and complete short smell and memory games. You can participate in this study if you are…
Condition: Ear, Nose and Throat
Investigator: Jonathan Overdevest, MD, PhD
Status: Currently Recruiting
The Columbia Otolaryngology Department is interested in understanding the intersection of vaping, smell, and taste and their impact on individuals' preferences for certain flavors. Participation will involve answering a series of questionnaires in addition to completing a formal evaluation of your smell and taste with standardized measurements. You can…
Condition: Ear, Nose and Throat / Loss of Smell
Investigator: Jonathan Overdevest, MD, PhD
Status: Currently Recruiting
Our research team at Columbia University is trying to understand the impact of COVID-19 on smell and taste (chemosensory) dysfunction among adult patients from the Greater New York City area. Current areas of study include: 1) Investigation of smell and taste recovery patterns among patients with COVID-19; 2) Studies on how recovery of smell and taste after…
Condition: Ear, Nose and Throat / Hearing Loss
Investigator: Nima Mesgarani, PhD
Status: Currently Recruiting
The purpose of this study is to learn more about the mechanisms of hearing loss, specifically to learn how abnormalities in the brain may produce certain experiences that are common in patients with hearing loss. Individuals with hearing loss will be compared to individuals with normal hearing.
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The TARGET-HBV study engages an observational research design to conduct a comprehensive review of therapeutic outcomes for patients with chronic hepatitis B (HBV) who are currently taking tenofovir alafenamide (TAF) relative to those patients following other treatment regimens. The study will address important clinical questions regarding the management of…
Condition: Transplant / Stem Cell Transplant
Investigator: Prakash Satwani, MD
Status: Closed
Are you undergoing a stem cell transplant? You may be at high risk for infections after the transplant. This study is looking at the safety and effectiveness of an investigational medication for those who have undergone a stem cell transplant. Recovery after a stem cell transplant can already be challenging without the added worry of life-threatening viral…
Study of GDC-8264 in Stem Cell Transplant Patients with Acute Graft-Versus-Host-Disease (acute GVHD)
Condition: Transplant / Stem Cell Transplant
Investigator: Ran Reshef, MD
Status: Closed
This study is testing a drug called GDC-8264, which is being developed to treat acute graft-versus-host-disease (acute GVHD). GDC-8264 is an experimental drug, which means health authorities have not approved GDC-8264 in combination with standard medications for the treatment of acute GVHD. The purpose of this study is to evaluate the effects, good or bad,…
Condition: Transplant / Stem Cell Transplant
Investigator: Ran Reshef, MD
Status: Closed
This is a research study of a new drug for the treatment of new onset chronic graft versus host disease (cGVHD). Chronic GVHD is a complication that can occur after a stem cell or bone marrow transplant in which the newly transplanted donor cells attack the transplant recipient's body. The current way to treat cGVHD is to use prednisone (a type of…
Condition: Ear, Nose and Throat / Hearing Loss
Investigator: Anil Lalwani, MD
Status: Closed
Acute inner ear hearing loss is the sudden onset of hearing loss, usually in one ear, without any known cause. Acute hearing loss can permanently destroy some of the hair cells (that govern the sense of hearing) and / or hearing nerve in the inner ear.The drug AM-111 has been developed to protect the hearing cells and nerve following sudden inner ear…
Condition: Transplant / Stem Cell Transplant
Investigator: Prakash Satwani, MD
Status: Closed
The main purpose of the study is to find out about whether the study drug is safe in humans and aneffective treatment in pediatric patients with acute Graft versus Host Disease (GVHD). GVHD mayoccur after a bone marrow or stem cell transplant in which someone receives bone marrow tissue orcells from a donor (called an allogeneic transplant). The new,…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to determine how safe and effective using three medications (pegylated-interferon, ribavirin and boceprevir) are in curing HCV in patients with end stage kidney disease on hemodialysis. Participants will be prescribed these three medications and will be followed closely through treatment, then for 6 months afterwards. During…
Condition: Transplant / Stem Cell Transplant
Investigator: Monica Bhatia, MD
Status: Closed
The purpose of this study is to test a new medicine to prevent liver venoocclusive disease (VOD) in patients undergoing hematopoietic stem cell transplant (HSCT) who are at high risk or very high risk for liver VOD following HSCT. Liver VOD can be a complication of bone marrow and/or stem cell transplant,which may be life threatening. The condition is a…
Condition: Ear, Nose and Throat / Hearing Loss
Investigator: Lawrence Lustig, MD
Status: Closed
The purpose of this research is to find out whether it is safe to use a virus to deliver a new gene to the inner ear of people with hearing loss. This is a kind of gene therapy which involves gene transfer. Once the genetic material and vector are surgically administered to you, it is not possible to remove these agents. The study is designed to evaluate…
Condition: Liver Disease / Hepatitis
Investigator: Robert Brown, MD, MPH
Status: Closed
The purpose of this study is to see if study drug Sofosbuvir/Ledipasvir fixed-dose combination + Ribavirin (SOF/LDV FDC + RBV) are effective in treating people infected with the hepatitis C virus with genotypes 1 and 4, who have advanced liver disease with permanent liver damage (cirrhosis) and may be showing signs of liver failure or who have undergone…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare two experimental drugs, named Sofosbuvir/Velpatasvir/GS-9857 Fixed-Dose Combination (SOF/VEL/GS-9857 FDC) and Sofosbuvir/Velpatasvir (SOF/VEL FDC) for 12 weeks for the treatment of chronic hepatitis C virus (HCV) infection in subjects who have previously been unsuccessfully treated for chronic HCV.. An experimental drug is one that…
Condition: Liver Disease / Hepatitis
Investigator: Jennifer Elliott, PhD
Status: Closed
NOTE: YOU MUST HAVE HIV AND HAVE EVER HAD HEPATITIS C TO BE ELIGIBLE FOR THIS STUDY!! ............... For individuals who have both HIV and Hepatitis C virus (HCV), heavy drinking poses serious risks to their health. We do not yet know which interventions are effective at helping individuals with HIV and HCV drink less. The goal of the study is to compare…
Condition: Ear, Nose and Throat
Investigator: Eli Grunstein, MD
Status: Closed
The objective of the study is to evaluate the safety and effectiveness of the TULA System for the placement of tympanostomy tubes (ear tubes) under local anesthesia in an office/clinic setting.
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare two experimental drugs, named Sofosbuvir/Velpatasvir/GS-9857 Fixed-Dose Combination (SOF/VEL/GS-9857 FDC) and Sofosbuvir/Velpatasvir (SOF/VEL) FDC for the treatment ofchronic genotype 3 hepatitis C virus (HCV) infection in patients who have cirrhosis, or scarring of the liver. The purpose of this study is to determine the efficacy,…
Condition: Transplant / Stem Cell Transplant
Investigator: Ran Reshef, MD
Status: Closed
The purpose of this study is to see which study drug is the better treatment for CMV infection. The study also wants to see how safe the study drugs are. The study drugs are Maribavir and Valganciclovir. Those who participate in the study will not know which drug they are taking. The study team will not know either.
Condition: Ear, Nose and Throat
Investigator: Ana Kim, MD
Status: Closed
Acute unilateral vestibulopathy (AUV) (previously called acute vestibular neuritis) is the third most frequent cause of peripheral vestibular vertigo, after benign paroxysmal positional vertigo and Menires disease.The goal of this study is to look at the effects of a new drug (SENS-111) in controlling the acute vertigo and other symptoms related to AUV more…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to evaluate the effectiveness, safety, and tolerability of study drugs Sofosbuvir, Velpatasvir and GS-9857 in comparison to Sofosbuvir and Velpatasvir in patients infected with HCV. Information about any side effects that may occur will also be collected.
Condition: Transplant / Stem Cell Transplant
Investigator: Prakash Satwani, MD
Status: Closed
In this trial, we will evaluate whether partially-HLA matched allogeneic multivirus-specific VSTs, will be safe and produce anti-viral effects in immunodeficient recipients infected with one of more of the targeted viruses that are persistent despite conventional anti-viral therapy. This will be in patients who have received a hematopoietic stem cell…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This study will compare the effectiveness of three different FDA approved medicines for Hepatitis C Genotype 1 patients: HARVONI , Viekira Pak and Zepatier and will observe subject experiences before, during, and after HCV treatment. Subjects will be asked to respond to several survey questionnaires and if they would allow their leftover blood collected for…
Condition: Ear, Nose and Throat / Hearing Loss
Investigator: Alice Lee, MD
Status: Closed
Cisplatin is a chemotherapy medicine that is used to treat a variety of cancers. At high total (cumulative) doses it can be associated with progressive and irreversible hearing loss. The purpose of this study is see if injections of OTO-104 can protect against hearing loss associated with cisplatin therapy in the treatment of cancer. OTO-104 contains an…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
The purpose of this study is to evaluate the efficacy, safety, and tolerability of SOF/VEL/GS- 9857 FDC in patients infected with Hepatitis C (HCV), and previously treated unsuccessfully. Information about any side effects that may occur will also be collected.
Condition: Transplant / Stem Cell Transplant
Investigator: Monica Bhatia, MD
Status: Closed
The primary objectives of this study are to measure the safety and effectiveness of bone marrow transplant (BMT) using specific chemotherapy in children with less severe SCD and to understand the long term effects of bone marrow transplant in children with SCD, by evaluating ovarian reserve, sickle cell related brain problems, sickle cell related kidney…
Condition: Liver Disease / Hepatitis
Investigator: Elizabeth Verna, MD
Status: Closed
This research trial is being conducted to determine the safety and efficacy of HARVONI (an FDA-approved Hepatitis C Virus medication) in HCV (genotype 1, 4, 5, an 6) infected patients who also have advanced heart failure or chronic lung disease. HARVONI has not been tested in patients with HCV and heart failure or chronic lunch disease. Subjects will take…
Condition: Transplant / Stem Cell Transplant
Investigator: Monica Bhatia, MD
Status: Closed
The purpose of this study is to see whether or not the medicine, Abatacept, when given after hematopoietic stem cell transplantation (HSCT) is effective in treating GVHD in children and adolescents with sickle cell disease (SCD). We are also planning to gather additional information about the safety of treating sickle cell disease with a hematopoietic stem…
Condition: Liver Disease / Hepatitis
Investigator: Steven Lobritto, MD
Status: Closed
The purpose of this study is to learn more about the effects of the combination of telaprevir peginterferon alfa2b (Peg-IFN) and ribavirin (RBV) in children with chronic hepatitis C. Investigators will look at how these study drugs may affect childrens bodies and how children break down and eliminate telaprevir. Participants of this study will receive Peg-…