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A Randomized, Controlled, Phase II Clinical Trial of β-D-Mannuronic Acid (M2000) in Pre-surgical Breast Cancer Patients at Early Stage (T1-T2).
Clinical and Experimental Pharmacology & Physiology 2019 March 19
Following the potent efficacy of β-D-Mannuronic acid in breast cancer murine model, we evaluated the efficacy of this novel non-steroidal anti-inflammatory drug in breast cancer patients in this present clinical trial. The Study was an 8 weeks randomized, controlled, phase II clinical trial (IRCT: 2017012213739N7 (in 48 pre-surgical breast cancer patients. Patients who had breast cancer at early stage, with invasive ductal carcinoma, were placed on a waiting-list for surgery and were allocated. β-D-Mannuronic was administrated at a dose of two capsules (1000 mg/day) orally during a period of 8 weeks. The end point of this study was when the patients were admitted for surgery. Moreover, the patients' well-being status was followed up on for safety. There were no statistically significant differences between treatment and non-treatment groups at baseline. β-D-Mannuronic acid therapy, from 20 patients, showed that in one patient (5%) tumor size was decreased; in five patients (25%) tumor growth was stopped; and in 14 patients (70%) the growth rate in the treatment group did not show significant change, compared to the non-treatment group. Evaluation of two tumor markers (carcinoembryonic antigen and cancer antigen 15-3) showed that there was no significant difference between before and after treatment. Although the use of some non-steroidal anti-inflammatory drugs in a long time period has shown a prophylactic effect in breast cancer, their therapeutic efficacy in a short time period is unknown, whereas treatment with β-D-Mannuronic acid during 8 weeks could show 30% therapeutic effects in pre-surgical breast cancer patients. This article is protected by copyright. All rights reserved.
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