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Diffusion Pharmaceuticals Receives Final FDA Protocol Guidance for Phase 3 Clinical Trial

Friday, October 20, 2017  
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Diffusion Pharmaceuticals Inc., a clinical-stage biotechnology company focused on extending the life expectancy of cancer patients, has received final protocol guidance from the U.S. Food and Drug Administration (FDA) for a Phase 3 clinical trial with the Company’s lead compound trans sodium crocetinate (TSC) in patients newly diagnosed with inoperable glioblastoma multiforme (GBM), a type of brain cancer.

Diffusion has responded to all outstanding points raised by the FDA and plans to begin the trial under the protocol agreed to by the FDA by the end of 2017. The trial will compare survival at two years of patients receiving TSC concurrent with chemotherapy and radiation (standard of care, or SOC), with patients receiving SOC alone.

“Following a series of interactions with the FDA, we are gratified to have an agreed-upon protocol and to be preparing to start our TSC Phase 3 trial in patients newly diagnosed with inoperable GBM,” said David Kalergis, Chief Executive Officer of Diffusion Pharmaceuticals. “As previously announced, we have engaged the contract research organization to oversee this trial and have completed the Phase 3 TSC drug production run to FDA standards. On our way to opening an anticipated total of 100 sites across the U.S. and Europe, we have 17 initial sites selected in the U.S., all under one Institutional Review Board, and first patients are expected to be enrolled this year.”

Mr. Kalergis continued, “This Phase 3 study will focus on treating newly diagnosed GBM patients who have been judged by their medical team to be inoperable because of the size or location of the tumor. In Diffusion’s Phase 2 proof-of-concept trial, the inoperable GBM patients who were treated with TSC plus standard of care showed a nearly four-fold increase in survival at two years compared with standard of care patients only. Due to their poor prognoses, inoperable patients are often excluded from GBM clinical trials and have usually been treated with radiation and chemotherapy only. We are excited to bring a new treatment possibility to patients with inoperable GBM, and look forward to beginning the trial.”

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