Table 4. Qualitative summary of effect of pharmacologic agents studied for diabetes prevention [22]

Pharmacologic agent

Diabetes incidence

Cardiovascular disease

Cancer

Fracture

Other

Metformin   

-

GI Events

Acarbose   

-

-

GI Events

Rosiglitazone    

-

↑Non-fatal congestive heart failure, weight gain and edema

Nateglinide

No effect

No effect

-

-

 

Ramipril 

No effect

No effect

-

 

Valsartan  

No effect

-

 

Insulin 

No effect

No effect

No effect

↑Hypoglycaemia ↑ Body weight