Four major American horror sites and one from Canada is reporting about the film's release on August 9 in North America.
Bloody Disgusting, Dread Central, Fangoria, Shock Till You Drop and HorrorMovies.ca all have some nice things to say about The Clinic, and BD has a review from last year's Screamfest, with some spoilers.
Image Entertainment is releasing the film in the US and Canada, you can read about both the Rated and the Un-Rated version on their site. The first one is 2 minutes shorter, both have English and Spanish subtitles, still no news about bonus content.
Two more sites reported about the film's US release: Big Daddy Horror Reviews and Hong Kong and Cult Film News.
You can find the new trailer here, but if don't watch it if you haven't seen the film yet, it contains huge spoilers.