RADARS System Experts
Richard C. Dart
Richard C. Dart MD, PhD

Richard C. Dart, MD, PhD
Executive Director of the RADARS System – Denver Health and Hospital Authority

Richard C. Dart, MD, PhD, is the Director of the Rocky Mountain Poison & Drug Center, Denver Health and Hospital Authority. He is the Executive Director of Researched Abuse, Diversion, and Addiction- Related Surveillance (RADARS®) System. He is also Professor of Emergency Medicine at the University of Colorado School of Medicine. He is past-president of the American Association of Poison Control Centers (AAPCC) and is Fellow of the American Academy of Clinical Toxicology (FAACT), American College of Medical Toxicology (FACMT) and the American College of Emergency Physicians (FACEP).

Raised in Michigan, Dr. Dart earned his bachelor’s degree in biology at Albion College and his medical degree at Wayne State University in Detroit, Michigan. He completed residency training in emergency medicine at the University of Arizona and then completed a fellowship in Medical Toxicology as well as a doctorate of Pharmacology and Toxicology at the University of Arizona. He is board certified by the American Board of Medical Toxicology.

Dr. Dart has earned numerous awards for his teaching, research and leadership endeavors. He was selected as an inaugural member of the Medical Toxicology Subboard of the American Board of Emergency Medicine. In 2002 he was recognized with a special citation from the Commissioner of the U.S. Food and Drug Administration for his work on snake antivenom. He was the 2004 recipient of the American College of Medical Toxicology Matthew J. Ellenhorn Award for Excellence in Medical Toxicology. He is the 2017 recipient of the AACT Career Achievement Award. His research interests include the postmarketing surveillance of opioid analgesics, development of orphan antidotes (antivenoms, metal chelators and others), the stocking of antidotes, various aspects of OTC analgesic toxicity and their treatments, and adverse drug event reporting.

In 2000, Dr. Dart edited the first edition of The 5-Minute Toxicology Consult and is the editor of Medical Toxicology 3rd edition, a well-known text for toxicologists. He has published more than 250 scientific publications and is frequently invited to lecture to health care and regulatory audiences. He is also a Deputy Editor of the medical journal Annals of Emergency Medicine.

Nabarun Dasgupta
Nabarun Dasgupta MPH, PhD

Nabarun Dasgupta, MPH, PhD
Senior Scientist, RADARS System – Denver Health and Hospital Authority

Dr. Dasgupta is a quantitative epidemiologist studying the medical and nonmedical use of prescription opioids and heroin. He has worked with and consults for diverse groups in public health involved in reducing the adverse consequences of opioid use (e.g., clinical practices, nonprofit organizations, state and local health departments, and the pharmaceutical industry).

He is a Senior Scientist at the RADARS® System and on the research faculty at the University of North Carolina in Chapel Hill. Dr. Dasgupta began working for the RADARS® System in 2002 as a field investigator, serves on the Scientific Advisory Board (SAB), and is the Principal Investigator for the StreetRx program, an internet crowdsourcing site for black market prices for controlled substances.

Dr. Dasgupta's areas of academic research are in pharmacoepidemiology, opioid overdose, and injection drug use. At the University of North Carolina in Chapel Hill, he has academic appointments at the Eshelman School of Pharmacy and the Injury Prevention Research Center. He is involved in designing and evaluating interventions for reducing prescription opioid overdose. He is the co-founder of Project Lazarus (www.projectlazarus.org), a community-based pain management and overdose prevention nonprofit organization in North Carolina. He is also experienced in public health informatics, having co-founded Epidemico in 2007, a successful tech startup, that he left in 2016.

 Dr. Dasgupta holds degrees from Princeton University (molecular biology), Yale School of Public Health (epidemiology of microbial diseases), and the University of North Carolina at Chapel Hill (epidemiology).

Janetta L. Iwanicki
Janetta L. Iwanicki MD

Janetta L. Iwanicki, MD
Associate Medical Director, Rocky Mountain Poison & Drug Center – Denver Health and Hospital Authority

Dr. Janetta Iwanicki is the Associate Medical Director at the Rocky Mountain Poison & Drug Center—Denver Health and Hospital Authority in Denver, Colorado. She is an Assistant Professor of Emergency Medicine at the University of Colorado School of Medicine. Dr. Iwanicki is board-certified by both the American Board of Emergency Medicine and the American Board of Medical Toxicology, and teaches as an attending physician in both fields.

Dr. Iwanicki received her undergraduate education at Pomona College in Claremont, California where she was named the Achievement Rewards for College Scientists (ARCS) Nadine and Edward Carson Scholar and was awarded the 15-month Beckman Foundation Beckman Scholar Grant prior to graduating with her bachelor’s degree with experimental thesis in Biology. She attended medical school at University of California—San Francisco, and during her training was awarded the year-long Pathways to Careers in Clinical and Translational Research (PACCTR) fellowship prior to earning her degree as Doctor of Medicine with Thesis. She completed her residency in Emergency Medicine at Denver Health, followed by her fellowship in Medical Toxicology at the Rocky Mountain Poison & Drug Center.

Dr. Iwanicki conducts her clinical research with the RADARS® System, focusing on innovative ways to understand the interaction between the treatment of pain and the benefits and risks associated with opioids and other pharmaceutical and nonpharmaceutical therapies. She has published more than twenty manuscripts and abstracts to better describe the patterns of drug abuse as well as the theoretical constructs vital for understanding these patterns, and has presented at multiple national and international meetings on these topics. She has authored or co-authored seven book chapters in the fields of Medical Toxicology and Emergency Medicine.