CANCER Everyday something new is discovered that explains cancer behavior, including proliferation, response to treatment, resistance to treatment, metastasis, recurrence, etc. Today we have several news, including one that might have cleared a puzzle regarding a continuous growth of colon cancer after oncologists block a well known signaling molecule recognized as playing a major role in making, not breaking the cancer. We also have news …

Underestimating the Value of Drugs that Disrupt the DNA Repair Mechanisms in Cancer Cells. AstraZeneca’s (AZN) Chief Executive Pascal Soriot said that while DNA damage response was under-recognized by investors, oncologists were already “very excited” by its potential of the drugs targeting DNA repair mechanisms inside cancer cells. According to AstraZeneca, drugs that disrupt the DNA repair mechanisms inside cancer cells are showing tangible promise for …

Prohost Letter #395 On the Road TO DEFEATING CANCER - Results of cancer treatment with novel immunotherapy drugs suggest that the hope of conquering cancer has improved from doubtful to conceivable. Immunotherapy treatments are scoring unprecedented successes against a wide variety of malignancies, including liquid cancers, solid cancers, cancers with DNA mutations caused by viruses and other cancer-causing agents. The two Immunotherapy approaches are currently occupying …

Prohost Letter #393 IMMUNOTHERAPY - PROHOST PORTFOLIO - NEW PICKS? - A Brief Reminder of the CAR T –TCR Immunotherapy Approaches In this issue we continue our journey inside the territory of cancer immunotherapy. We remind that in the Prohost Letter issue #391, we dealt with the immunotherapy based on genetically engineered T Cells, enabling them to seek out, attack and neutralize cancer cells. The immune system’s T …

Prohost Letter #388 TOPICS - 1. AN INDISPENSABLE SHORT INTRODUCTION 2. GENE EDITING 3. GENE THERAPY 4. CANCER IMMUNOTHERAPY 1. GENE EDITING Exon Skipping: Biomarin (BMRN); Sarepta (SRPT); These firms are waiting FDA approvals for Duchenne Muscular Dystrophy (DMD) Gene Editing Technology Competitors: Cellectis S.A. (CLLS); CRISPR; PTC Therapeutics (PTCT) Firms Using Different Approaches For DMD Treatment (see Below) Zink Finger Tech: Sangamo (SGMO); RNAi …

Stories from Yesterday’s Market We are not claiming that the market volatility has subsided and the leadership has shown and is in full control of the chaos. But yesterday biotech stock performance made us feel that investors are regaining their common sense and trying to benefit from the catastrophic plummeting of the member firms stock prices. Today’s trading seems negative for the biotech stocks, but …

Prohost Letter #378 Part 2 2015 ASCO ANNUAL MEETING What a Big Revolution in Oncology! The ASCO meeting projected the huge advancement in the understanding, diagnosing and treating cancer. What looked as if a sudden explosion has brought in the big change, the change was, in fact a slow, deep-rooted evolution, built up over a long period of trial and error with the failures constituting …

Prohost Letter #375 Part 1 BIOTECHNOLOGY: THE BEGINNING OF A NEW ERA STATE- OF-THE-ART APPROACHES FOR THE MANAGEMENT OF CHRONIC AND DEADLY DISEASES ARE IN HUMAN CLINICAL TRIALS We are encouraged by some novel treatments for chronic diseases and cancer and we are optimistic about results coming from their early- and late-phase trials. Picking advanced therapeutics is the magic word Sesame in the formula “Open Sesame”, which, …