Author
Prof. Daniel Merenstein, MD
Dr. Daniel Merenstein, MD, is a Professor with tenure of Family Medicine at Georgetown University, where he also directs Family Medicine research. Dr. Merenstein has a secondary appointment in the undergraduate Department of Human Science, in the School of Health. Dr. Merenstein teaches two undergraduate classes, a research capstone and a seminar class on evaluating evidence based medical decisions. He has been funded by PCORI, NIH, USDA, foundations and industry. The primary goal of Dr. Merenstein’s research is to provide answers to common clinical questions that lack evidence and improve patient care. Dr. Merenstein is a clinical trialist who has recruited over 2,000 participants for 10 probiotic trials since 2006. He is an expert on probiotics, on antibiotic stewardship in outpatient settings, and also conducts HIV research in a large women’s cohort. He sees patients in clinic one day a week. Dan was nominated into the National Academy of Medicine (NAM) in 2024.
Articles written by Prof. Daniel Merenstein, MD
1-10 of 11 articles
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The Promise of Personalized Medicine
While the existence of responders and non-responders are evident in any clinical trial, today’s forward thinkers envision the next logical… -
Should everyone take a probiotic? Assessment of evidence of probiotics for healthy people
By Prof. Daniel Merenstein MD and Dr. Mary Ellen Sanders PhD During the ISAPP 2024 meeting, an article titled, “Is… -
Why responders and non-responders may not be the holy grail for biotics
In September the New York Times published an article titled “What Obesity Drugs and Antidepressants Have in Common“. It was… -
Can Probiotics Cause Harm? The example of pregnancy
Co-authored by Dr. Maria Carmen Collado, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Valencia, Spain Limiting excessive weight… -
The American College of Gastroenterology recommends against use of probiotics for primary or secondary prevention of C. difficile
By Prof. Daniel Merenstein MD, Georgetown University School of Medicine and Prof. Eamonn Quigley MD FRCP FACP MACG FRCPI, Houston… -
Designing Probiotic Clinical Trials: What Placebo Should I Use?
By Daniel J. Merenstein, MD, Professor, Department of Family Medicine and Director of Research Programs, Georgetown University Medical Center, Washington… -
A Miracle Treatment! Or Not?
Here’s a scenario for a physician: A drug rep walks into your office. She has a new product she wants… -
Lactobacillus bacteremia in critically ill patients does not raise questions about safety for general consumers
By Dan Merenstein MD, Professor of Family Medicine, Georgetown University Medical Center, Washington DC, USA; Eamonn Quigley MD, Professor of… -
Probiotics in the Year 2018
Prof. Daniel Merenstein MD, Georgetown University School of Medicine Messages about probiotics seem to be everywhere. It is difficult for… -
The Times They Are A-Changin’ With Probiotics
I had a surprising encounter a few weeks ago in the clinic. I was caught off guard, had to take…