BOUDRY, Switzerland--(BUSINESS WIRE)--Celgene International Sàrl, a subsidiary of Celgene Corporation (NASDAQ: CELG) today announced that statistical significance for the primary endpoint of ACR20 at week 16 was achieved for patients receiving apremilast 20 mg and 30 mg BID in both the PALACE-2 & 3 phase III studies. Positive PALACE-1 data was previously reported. PALACE-2 & 3 are the second and third of three pivotal phase III, randomized, placebo-controlled studies evaluating the Company’s novel, oral small-molecule inhibitor of phosphodiesterase 4 (PDE4) in patients with psoriatic arthritis who had received or failed oral disease-modifying antirheumatic drugs (DMARDs), and/or an anti-tumor necrosis factor (TNF) agent. In each of these studies, apremilast was used alone or in combination with oral DMARDs.