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…
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…
RESEARCH VOLUNTEERS: Healthy male and female (age 21-60) MARIJUANA SMOKERS needed to study effects of marijuana on brain activity and decision-making. The study involves 2-3 outpatient visits and a 5-day/5-night stay at the NYS Psychiatric Institute and includes Magnetic Resonance Imaging (MRI) scans. Compensation for time could be between $870-$1230 (…
The study is an outpatient treatment study of the safety and benefit of extended-release mixed amphetamine salt (Adderall-XR) in the treatment of individuals with cannabis use disorder and Attention Deficit/Hyperactivity Disorder (ADHD). The study is a 13-week trial and requires participants to come twice per week. The primary objective of the study is to…
The purpose of this study is to find out how doctors describe hepatic encephalopathy episodes in patients medical records in the course of their regular practice. The aim of the study is simply to collect information from their medical records about how their episodes of overt hepatic encephalopathy are described. There is nothing that will be required of…
The purpose of this study is to compare the time to onset of an episode of overt HE, in subjects with previously demonstrated overt HE after treatment with rifaximin 550 mg BID and lactulose, or rifaximin 550 mg BID. Subjects will be screened to confirm eligibility into the study. Once confirmed, subjects will begin the treatment phase and will be randomly…