Upcoming FDA Expert Panel on Testosterone Replacement Therapy for Men

@Nelson Vergel

We need you here!





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Location: FDA White Oak Campus, 10903 New Hampshire Ave., Building 31, Great Room, Silver Spring, MD 20993-0002. There will be limited seating for the public.

Registration: Registration is only required for in-person listen-in attendance. Space is limited. Please plan to arrive at least 30 minutes prior to the start time to be checked in.

How to Virtually Attend: This FDA Expert Panel will be live streamed over the FDA’s YouTube channelExternal Link Disclaimer.

FDA plans to provide a free of charge live webcast of the Expert Panel. If there are instances where the webcast transmission is not successful, staff will work to re-establish the transmission as soon as possible.
 
 
@Nelson Vergel

We need you here!





View attachment 54158

Location: FDA White Oak Campus, 10903 New Hampshire Ave., Building 31, Great Room, Silver Spring, MD 20993-0002. There will be limited seating for the public.

Registration: Registration is only required for in-person listen-in attendance. Space is limited. Please plan to arrive at least 30 minutes prior to the start time to be checked in.

How to Virtually Attend: This FDA Expert Panel will be live streamed over the FDA’s YouTube channelExternal Link Disclaimer.

FDA plans to provide a free of charge live webcast of the Expert Panel. If there are instances where the webcast transmission is not successful, staff will work to re-establish the transmission as soon as possible.
Thanks for letting me know. Too bad I would have to fly from Portugal. Hopefully, we can see progress in the labeling.
 
One of my comments:

The current labeling for injectable testosterone cypionate and enanthate, which recommends dosing intervals of 50–400 mg every two to four weeks, warrants reconsideration in light of contemporary pharmacokinetic and clinical evidence. Emerging data suggest that more frequent dosing regimens, specifically 100–150 mg administered weekly, produce more stable serum testosterone concentrations and may reduce the incidence of adverse effects, particularly erythrocytosis and HDL cholesterol reduction. The present labeling may contribute to suboptimal dosing practices and clinical outcomes due to variability in provider familiarity with testosterone replacement therapy pharmacology. We respectfully request that the panel consider this topic during the roundtable discussion.


As a long-standing advocate and author with extensive experience in testosterone replacement therapy education and community engagement, I have observed the clinical implications of current labeling practices firsthand.


Respectfully submitted,

Nelson Vergel
 
One of my comments:

The current labeling for injectable testosterone cypionate and enanthate, which recommends dosing intervals of 50–400 mg every two to four weeks, warrants reconsideration in light of contemporary pharmacokinetic and clinical evidence. Emerging data suggest that more frequent dosing regimens, specifically 100–150 mg administered weekly, produce more stable serum testosterone concentrations and may reduce the incidence of adverse effects, particularly erythrocytosis and HDL cholesterol reduction. The present labeling may contribute to suboptimal dosing practices and clinical outcomes due to variability in provider familiarity with testosterone replacement therapy pharmacology. We respectfully request that the panel consider this topic during the roundtable discussion.


As a long-standing advocate and author with extensive experience in testosterone replacement therapy education and community engagement, I have observed the clinical implications of current labeling practices firsthand.


Respectfully submitted,

Nelson Vergel

Big Pharma package insert revised 2025!

LOL!




* For replacement in the hypogonadal male, 50-400 mg should be administered every two to four weeks.
 

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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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