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Lixte Biotechnology announces publication in Nature journal on LB100 trials

LIXTE Biotechnology (LIXT) Holdings announced that the medical journal Nature has published findings by a team of physician-scientists that validate LIXTE’s ongoing clinical trials with its proprietary compound LB100 for Ovarian and Colorectal cancers. A team led by principal investigator Amir Jazaeri, professor of Gynecologic Oncology and Reproductive Medicine at The University of Texas MD Anderson Cancer Center, studied survival outcomes of Ovarian Clear Cell Carcinoma patients treated with immune checkpoint blockade therapy. The ;study showed that patients having tumors with inactivating mutations in PPP2R1A – the major scaffold subunit of protein phosphatase 2A – had significantly better overall survival, compared with patients who did not have this mutation in their tumors. Inactivating mutations in PPP2R1A are known to reduce the enzymatic activity of PP2A, which is the target of LIXTE’s lead compound LB-100. Tumors with mutations in PPP2R1A were found to have increased the interferon gamma response pathway, which is known to be associated with improved immune checkpoint responses. LIXTE is currently investigating the activity of LB-100 in combination with checkpoint immunotherapy in two clinical trials.

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