Nonsurgical Treatments

Oral Medication: Vitamin E, Potaba (potassium aminobenzoate), tamoxifen, camitine, colchicine, pentoxifylline, and l-arginine

Efficacy and Safety of Omega-3 for Treatment of Early-Stage Peyronie's Disease: A Prospective, Randomized, Double-Blind Placebo-Controlled Study.
Safarinejad MR.
J Sex Med.. 2009;6(6):1743-1754.

Conservative treatment of Peyronie's disease: colchicine vs. colchicine plus vitamin E [in Spanish].
Cortés-González JR, Glina S.
Actas Urol Esp. 2010;34(5):444-449.