Yingli Pharma Announces Successful End-of-Phase 2 Meeting with FDA and Clearance of Global Multi-center Phase 3 Registration Study Design of Linperlisib for the Treatment of Relapsed and/or Refractory Peripheral T-cell Lymphoma

Excerpt from the Press Release:

SAN FRANCISCO, April 1, 2025 /PRNewswire/ — Shanghai Yingli Pharmaceutical Co., Ltd. (Yingli Pharma), a clinical stage biotechnology company developing oral small molecule drugs for cancer, metabolic, and immune diseases, announced today that it has received clearance from the US Food and Drug Administration (FDA) to initiate a global registration Phase 3 study of linperlisib versus physicians’ choice of standard of care for the treatment of relapsed/refractory (R/R) peripheral T-cell lymphoma (PTCL).  FDA’s approval of the pivotal Phase 3 protocol follows a successful Type B End-of-Phase 2 meeting, during which Yingli Pharma discussed the overall development program and regulatory path. The Phase 3 study is planned to commence during the second quarter of 2025. Linperlisib is a potent oral small molecule inhibitor of the delta isoform of PI3 kinase (PI3Kδ) developed by Yingli Pharma.

“This is a major milestone for linperlisib.”, said Michael Hui, Chairman and Chief Executive Officer of Yingli Pharma, “We are very excited that linperlisib has entered the global pivotal study stage with the agreement from FDA. We will continue our mission to address patient unmet clinical needs globally and to accelerate the linperlisib clinical development program to bring more treatment options for patients with R/R PTCL.”

In this Phase 3 study, linperlisib will be evaluated versus physicians’ choice of standard of care in R/R PTCL patients who have received one or more prior systemic therapies. The Phase 3 study will open enrollment in the U.S. and other countries

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