Testosterone Intervention for the Prevention of Diabete Mellitus in High Risk Men

Are you male? Aged 50-74? Sign up for T4DM today!

What is the T4DM study?

The aim of T4DM is diabetes prevention. The study looks into whether testosterone treatment combined with lifestyle change can prevent type 2 diabetes in men who have prediabetes and low testosterone.

Participants receive free access to Weight Watchers and treatment with either testosterone or placebo.


The study has now closed to recruitment.


Like to meet one of our guys?

Keith joined the study in 2013. Hear how he is getting along.