Repros Therapeutics, Inc. (RPRX)

[exwannabe]

This 30 days seemed strange to me,

but going to the FDA website you are correct.
http://www.fda.gov/cder/regulatory/applications/ind_page_1.htm#Introduction

From the IND FAQ here -

"When can I start clinical trials?

Unless you are contacted, you may begin trials thirty days after FDA receives your IND application."