Verapamil, tamoxifen, carnitine - options?

One resource for potential medical treatment of Dupuytren's is the literature on medicines which work for related conditions such as Peyronie's. This review examines the rationale and results of propionyl-L-carnitine, acetyl-L-carnitine, verapamil and tamoxifen in treating Peyronie's disease. Is there a role for these in Dupuytren's? http://www.dupuytrenfoundation.org/DupPDFs/2002_Cavallini.pdf