AngeloFoca, Pfizer had Troxyca, an extended-release oxycodone. It was formerly called ALO-02. Pfizer filed Troxyca NDA a couple of months after giving up on Remoxy. Timeline was:
Oct 27, 2014 Pfizer discontinued Remoxy Agreement. Feb 13, 2015 Pfizer's Troxyca NDA Accepted for Review. So probably filed NDA in December 2014. Aug 19, 2016 FDA Approves Troxyca ER.