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Displaying 1 - 15 of 15

Ultra-Processed Food Effect on Weight Change

Condition: Obesity
Investigator: Faris Zuraikat, PhD
Status: Currently Recruiting
The purpose of this study is to assess energy balance during two different diet periods.
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RECOVER-Understanding the Impact of Long COVID on Children and Families

Condition: COVID-19 (Coronavirus)
Investigator: Melissa Stockwell, MD, MPH
Status: Currently Recruiting
Help us to better understand the long term effects of COVID. If you or your child has had COVID, or is feeling the long term effects of COVID, you might be able to help us understand more about it and treat it. Even if you or your child has never had COVID, you might be able to help. We are seeking volunteers who are under 25 to join the NIH RECOVER…
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POWERS - Understanding Body Changes After Weight Loss

Condition: Obesity
Investigator: Rudolph Leibel, MD
Status: Currently Recruiting
The Physiology of the Weight Reduced State (POWERS) is a national research study designed to discover and learn what happens to the human body after weight loss and to learn why some people regain their lost weight. Understanding why this happens could help health professionals improve strategies for successful weight loss maintenance after weight loss.…
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Investigating How Weight-Loss Surgery Affects Mouth and Gut Bacteria in Children

Condition: Obesity
Investigator: Ilene Fennoy, MD
Status: Currently Recruiting
This study is being done to learn more about how weight-loss surgery or a medicine called glucagon-like peptide-1 receptor agonist (GLP-1RA) affects the bacteria in your mouth and stool. We are also trying to understand how these changes might be connected to your liver health and cholesterol levels. This information could help doctors take better care of…
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ARMOR Study: A Study to Follow COVID-19 Antibodies Over Time

Condition: COVID-19 (Coronavirus)
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
We want to assess the baseline and cumulative seroprevalence of SARS-CoV-2 using serological and molecular assays. We will also administer a survey. Findings from this study will inform; 1) our understanding of changing epidemiology of COVID-19; 2) use of serological assays and testing algorithms, and 3) approaches to managing psychosocial stress in the…
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Weight Loss Study: Genetic Variations and Response to Naltrexone/Bupropion

Condition: Obesity
Investigator: Judith Korner, MD
Status: Currently Recruiting
The purpose of this study is to evaluate if genetic variations are associated with the amount of weight loss with diet and while taking an FDA-approved medication for weight loss. The participation lasts ten months and includes six in-person visits at CUIMC with blood sampling and questionnaires, virtual nutritional counseling, and taking an oral weight…
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Effect of lowering insulin levels on blood sugar

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes. Participants will undergo a…
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Temporary Insulin Resistance

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are recruiting volunteers, aged 18-70, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to temporarily induce or accentuate insulin resistance in 14…
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Biobank of Blood Samples from Overweight or Obese Patients

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are seeking adult volunteers with body mass index in the obesity range (30-45 kg/m2) to come in for a single study visit where they answer some health questions and have a small volume of blood drawn (25 cc/1.7 tbsp). We will measure levels of the blood sugar-lowering hormone insulin as well as glucose (sugar), certain fats, and other molecules related…
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Study of Learning Mindfulness Meditation to Improve Symptoms in Patients with Long COVID

Condition: COVID-19 (Coronavirus)
Investigator: Deborah Theodore, MD
Status: Currently Recruiting
This is a study for people with symptoms of long COVID. We are looking for people over the age of 18 who are interested in participating in a study to understand whether a mindfulness meditation intervention can help improve symptoms of long COVID. Study participation lasts 6 months and is fully remote.
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COVID-19 Persistence: Understanding the SARS-CoV-2 Virus and Host Factors in People Who Are Recovering From Their Illness (C-PIC)

Condition: COVID-19 (Coronavirus)
Investigator: Michael Yin, MD
Status: Currently Recruiting
We are seeking volunteers who have been diagnosed with COVID-19 by a healthcare provider or by lab testing. We are also looking for volunteers who have never tested positive for COVID-19 and have not received a COVID-19 vaccine. The study, also known as C-PIC, will be looking at antibody levels and how long the virus remains in the body. We are also…
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COVID CT Registry (COVID Cohort)

Condition: COVID-19 (Coronavirus)
Investigator: Andrew Einstein, MD
Status: Currently Recruiting
We are seeking patients that have had a pre-COVID heart CT scan (Coronary Computed Tomography Angiography) that was performed at Columbia University Irving Medical Center/NewYork-Presbyterian Hospital before March of 2020. For this study, half of patients will be required to have had COVID-19 symptoms (e.g., fever, cough, shortness of breath) and would have…
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IMPROVE 2 - Well-Being in Emergency Medicine After COVID 19

Condition: COVID-19 (Coronavirus)
Investigator: Ari Shechter, PhD
Status: Currently Recruiting
The purpose of this study to examine the long-term general psychological symptoms, and identify the predictors of these psychological symptoms. The sustained psychological toll of working in a high-stress environment can have downstream impacts on health. It is therefore important to also consider how psychological factors influence physical health, for…
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Smell and Taste Disturbances in COVID-19

Condition: COVID-19 (Coronavirus)
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…
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Screening for COVID-19 Vaccine, Prevention and Treatment Research Studies

Condition: COVID-19 (Coronavirus)
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
We are looking for individuals over 18 years old who are interested in learning more about COVID-19 prevention research studies. We will ask you to complete a brief questionnaire to find out if you may be eligible for one of our studies. We can then schedule a phone call, teleconference, or in-person education visit so you can learn about the research we do…
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