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ESMO 2018: Athenex Presented Encouraging Clinical Trial Efficacy and Safety Results of Oraxol in the Treatment of Metastatic Breast Cancer | ||
By: Nasdaq / GlobeNewswire - 22 Oct 2018 | Back to overview list |
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BUFFALO, N.Y., Oct. 22, 2018 (GLOBE NEWSWIRE) -- Athenex (Nasdaq: ATNX), a global biopharmaceutical company dedicated to the discovery, development and commercialization of novel therapies for the treatment of cancer and related conditions, today announced the presentation of encouraging efficacy and safety data of Oraxol in the treatment of metastatic breast cancer patients who failed previous chemotherapies in a pharmacokinetics (PK) and phase II clinical trial conducted in Taiwan. The data were presented at the European Society for Medical Oncology (ESMO) Congress on October 21, 2018 in Munich, Germany. Oraxol is an innovative oral formulation of paclitaxel, a very effective and commonly used anti-cancer chemotherapy, combined with HM30181A (a novel gastrointestinal tract specific P-glycoprotein pump inhibitor). Results from twenty four patients with metastatic breast cancer were reported. Common metastatic sites included bone (n=12), liver (n=9), lungs (n=9), lymph nodes (n=9) and 6 patients had > 3 metastasis. These patients failed a median of two previous chemotherapies. Eleven patients (45.8%) achieved partial remission (PR), 10 patients (41.7%) had stable disease (SD) (two patients with SD will have their last CT scans conducted in early November and therefore, the overall PR rate may be higher), and 3 patients had progressive disease (PD), as shown in the waterfall plot of tumor responses below: A photo accompanying this announcement is available at http://www.globenewswire.com/NewsRoom/AttachmentNg/521a46c8-3a45-470b-8107-4827cf9f7aab Note that two patients with PD showed small tumor size changes of <30% but were classified as PD because new metastatic lesions were identified by CT scans (* indicates the two patients). Two SD patients are expected to complete their last CT scans in early November and the overall PR rate may be higher in the final analysis. Drug-related serious adverse events consisting of Grade 4 neutropenia were observed in 3 patients and all recovered completely. There was no dose-limiting neuropathy observed. The Oraxol pharmacokinetic profiles at week 1 were reproducible at week 4, and the plasma AUC exposure is similar to those reported for intravenous paclitaxel at 80mg/kg weekly. Dr. Rudolf Kwan, Chief Medical Officer of Athenex, stated, “The encouraging pharmacokinetic profile and the positive Phase II clinical efficacy and safety data showed the excellent potential of Oraxol. We are advancing our Phase III program rapidly.” Dr. Ko-Chung Lin, Chief Executive Officer of PharmaEssentia, the licensee of Oraxol for Taiwan, Singapore and Vietnam, commented, “Athenex has been an excellent partner to PharmaEssentia. We have been working closely together on the clinical studies and on our discussions with the regulatory authorities. We are delighted to see such a wonderful set of encouraging results and we are fully committed to support the development of Oraxol in the territory we have licensed from Athenex.” The Orascovery program was initially discovered by Hanmi Pharmaceuticals and licensed to Athenex. PharmaEssentia Corporation (Taiwan Stock Exchange: 6446), licensed the Taiwan, Singapore and Vietnam commercialization rights of Oraxol from Athenex and is a close partner, particularly in the clinical developments of Oraxol in Taiwan. About Athenex, Inc. Forward-Looking Statement CONTACTS Athenex, Inc.: |
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Copyright 2018 Nasdaq / GlobeNewswire | Back to overview list |