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…
The use of electronic cigarettes, also known as e-cigs or vaping, has increased among former smokers and young adults who have never smoked. Relatively little is known, however, about their health effects (whether they are adverse, have no effect, or are beneficial). The purpose of this research study is to evaluate (1) the association of e-cig use with…
This is a four-session study in which we will be recruiting existing cigarette smokers to explore the competitive dynamics between memory encoding and memory retrieval. To participate, you will first go through a phone screening to determine eligibility and learn about the study. Then you will be asked to visit our facility at the Morningside Campus of…
We are currently enrolling individuals with post-traumatic stress disorder (PTSD) to participate in this research study. The purpose of this research study is to evaluate the effectiveness of an investigational medication, brexpiprazole, for PTSD. Eligible participants will be randomly assigned to receive either brexpiprazole, sertraline (also known as…
Emerging research has demonstrated a relationship between visual attention patterns and anxiety disorders, including PTSD. This study is designed to examine these visual attention patterns using eye-tracking A simple device that monitors eye-movements. The study included two sessions conducted approximately 1 week apart, each no longer than 1 hour. In both…
The Sponsor is conducting this study to find out how safe and effective the investigational drug (alsocalled a study drug) obeticholic acid (also known as OCA) may be in improving compensated cirrhosis caused by NASH. Currently, there are no therapies approved for the treatment of NASH. OCA (the brand name is Ocaliva) has been approved in several…
This is a 5-year, longitudinal, observational study of patients with NAFL or NASH designed to specifically address important clinical questions that remain incompletely answered from registration trials. The main purpose of this research study is to collect and study information on patients with NAFLD/NASH.The goal of this study is to observe any treatment…
Patients who have been diagnosed with decompensated nonalcoholic steatohepatitis (NASH) cirrhosis may be eligible to participate in this clinical trial. NASH is liver inflammation and damage caused by a buildup of fat in the liver. The main purpose of the study is to test the safety and efficacy of a drug called Emricasan (IDN-6556) in reducing the risk…
Approximately half of the individuals with Post-traumatic Stress Disorder (PTSD) present with major depressive disorder (MDD). Compared to PTSD alone, patients with comorbid PTSD-MDD demonstrate greater distress and poorer treatment outcome. The goal of this pilot study is to collect preliminary data on the feasibility, safety, and initial efficacy of an…