ED - Evidence Based Causes and Treatments

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Super Moderator

Arthur L. Burnett II, MD, MBA, FACS​

Johns Hopkins University School of Medicine​

Baltimore, Maryland​

Arthur L. Burnett II, MD, MBA, FACS, is a Professor in the Department of Urology and Director of the Basic Science Laboratory in Neuro-Urology at Johns Hopkins University School of Medicine. His professional appointments at the Johns Hopkins Hospital include Director of the Male Consultation Clinic and Clinician-Scientist at the James Buchanan Brady Urological Institute. Dr. Burnett earned his undergraduate degree in biology from Princeton University and his medical degree at Johns Hopkins University School of Medicine. He completed his internship and residency in surgery and, subsequently, residency and fellowship in urology at the Johns Hopkins Hospital. After completing his urology residency, Dr. Burnett received an American Foundation of Urologic Disease New Investigator Award to continue research into the regulatory mechanisms of penile erection. Since then, he has maintained an active laboratory in neuro-urology. Dr. Burnett is recognized as a world authority in the science and medicine of male erectile dysfunction. He has contributed original discoveries about the nitric oxide biochemical mechanisms in erectile tissue that have paved the way for the clinical development of oral medications to treat erectile dysfunction. He has also done pioneering work developing therapies to protect the penile nerve function required for improved erectile function recovery after radical prostatectomy. Dr. Burnett has written more than 150 original peer-reviewed articles, along with numerous additional articles, editorials, and book chapters, relating to his biomedical research and clinical activities. His work has appeared in many major journals including Science, Nature Medicine, Proceedings of the National Academy of Sciences, Journal of Urology, Urology, and Journal of Andrology. He is a Fellow of the American College of Surgeons, as well as a member of the American Urological Association, the Sexual Medicine Society of North America, the International Society for Sexual Medicine, the Society of Genitourinary Reconstructive Surgeons, the Society for Urodynamics and Female Urology, and the Society of Black Academic Surgeons. He has sat on various advisory committees, including the Urology Study Section, the National Institutes of Health Center for Scientific Review, and the FDA Advisory Committee for Reproductive Health Drugs.




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hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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