On May 25, in Prohost Letter Issue #421, we wrote about RegenxBio (RGNX), which from behind the scenes it created several gene therapy products that are being used by AveXis, a firm that was recently acquired by Novartis based on its successful pipeline products. In the article (please read it if you missed it and read it again if you forgot it, or were not …

CRISPR Therapeutics, Intellia Therapeutics, and Caribou Biosciences, Inc., announced the news about the granted U.S. Patent No. 10,000,772 (“the ‘772 patent”) by the U.S. Patent and Trademark Office (USPTO). This patent covers methods of using optimized guide RNA formats (including single guide and dual guide formats) in certain environments, including eukaryotic cells (such as human, animal and plant cells). The optimized formats modify the part of …

The U.S. Food and Drug Administration (FDA) has approved Agilent Technologies’ (NYSE: A) Dako PD-L1 IHC 22C3 pharmDx assay for an expanded use. The expended use is expected to help physicians to identify cervical cancer patients who are most likely to benefit from treatment with Merck’s (MRK) checkpoint inhibitor lmmuno-oncology product Keytruda PD-L1 IHC 22C3 pharmDx assay was FDA approved for non-small cell lung cancer and subsequently expanded approval for gastric …

Slashing of the CRISPR gene editing companies’ stocks, including CRISPR Therapeutics (CRSP), Editas (EDIT) and Intellia (NTLA) is caused by two studies published in Nature Medicine, which revealed that cells whose genes are edited by CRISPR/ Cas9 could develop tumors in treated patients. Nobody could blame those who sold the CRSPR gene editing stocks’ because, although many scientists believe that the cited cause can be overcome and others stated that …

Array BioPharma (ARRY) announced updated results from the Phase 3 COLUMBUS trial in BRAF-mutant advanced melanoma. The results showed that the median overall survival (mOS) was 33.6 months for patients treated with the combination of encorafenib and binimetinib compared to 16.9 months for patients treated with vemurafenib as a monotherapy. The combination reduced the risk of death compared to treatment with vemurafenib alone. The results, which was presented at the American Society …

The real news coming from the presentation at ASCO related to the combination of Nektar Therapeutics (NKTR) and Bristol-Myers Squibb (BMY) was viewed as positive by many analysts and investor until a sell-side negative article led to an unwarranted giant selloff of the stock. Last Week Nektar Stock gained $10 dollars over news that the firm has already submitted a New Drug Application (NDA) to the FDA for NKTR-181, which is …

CRISPR Therapeutics (CRSP) and Vertex Pharmaceuticals (VRTX) announced that The U.S. Food and Drug Administration (FDA) has placed a clinical hold on the Investigational New Drug Application (IND) for CTX001 for the treatment of sickle cell disease pending the resolution of certain questions that will be provided by the FDA as part of its review of the IND. The IND was submitted to the FDA in April to support the planned initiation of a Phase …

The U.S. Food and Drug Administration (FDA) has accepted for filing Exelixis’ (EXEL) supplemental New Drug Application (sNDA) for Cabometyx® (cabozantinib) tablets for patients with previously treated advanced hepatocellular carcinoma (HCC). The FDA has determined that the application is sufficiently complete to permit a substantive review. The filing has been assigned a Prescription Drug User Fee Act (PDUFA) action date of January 14, 2019. Commenting on the news, Gisela Schwab, M.D., President, Product Development and …

Cidara Therapeutics (CDTX), a biotechnology company developing novel anti-infective products, including immunotherapies, announced that the U.S. National Institute of Allergy and Infectious Diseases (NIAID) of the National Institutes of Health (NIH), awarded it and Rutgers University a five-year, $5.5 million partnership grant.     The grant aimed at funding the continued research and development of Cidara’s innovative Cloudbreak™antibody-drug conjugate (ADC) platform to identify novel immunotherapy agents for the treatment and prevention of serious and life-threatening multi-drug resistant (MDR) Gram …

Based in Boston, MA, Rhythm Pharmaceuticals (RYTM) – is a company focused on discovering and developing treatments for rare genetic disorders of obesity. It is currently evaluating the efficacy and safety of setmelanotide, its first-in-class melanocortin-4 receptor (MC4R) agonist, in Phase 3 studies in patients with pro-opiomelanocortin (POMC) deficiency obesity (which includes deficiencies in both the POMC and PCSK1 genes) and Leptin receptor (LEPR) deficiency obesity. Observing Rhythm’s research and trials …

SPARK THERAPEUTICS, SANGAMO THERAPEUTICS AND SALK INSTITUTE CURING HEMOPHILIA?   Hemophilia is an inherited bleeding disorder that causes abnormal or exaggerated bleeding and poor blood clotting. Hemophilia A and Hemophilia B are inherited in an X-linked recessive genetic pattern, so males are commonly affected while females are usually carriers of the disease. Hemophilia A is caused by clotting Factor VIII deficiency and hemophilia B (Christmas disease) is caused by Factor IX deficiency. A …

Following the news announcing that Amgen’s (AMGN) drug KYPROLIS® (carfilzomib) extended the lives of patients with relapsed or refractory multiple myeloma in combination with lenalidomide + dexamethasone, we got news from a small company called Karyopharm Therapeutics (KPTI) announcing positive news from a trial with its product selinexor in multiple myeloma. The news announced that Karyopharm’s oral selective inhibitor of nuclear export (SINE) compound selinexor demonstrated positive results from the Phase 2b STORM study …

A couple of days following the news that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has adopted a positive opinion on Amgen’s (AMGN) product Prolia® (denosumab) for the treatment of bone loss associated with long-term systemic glucocorticoid therapy, the same Committee recommended a label variation for KYPROLIS® (carfilzomib) with an addition that includes the final overall survival (OS) data from the Phase 3 ASPIRE trial. In the ASPIRE trial, KYPROLIS …

NEKTAR Nektar Therapeutics (NKTR) and Takeda Pharmaceutical (TKPYY) are collaborating to evaluate Nektar’s investigational medicine, NKTR-214, with Takeda’s investigational medicine, TAK-659, as a potential combination for multiple cancer settings.  NKTR-214 is an experimental immuno-stimulatory recognized to expand specific cancer-fighting T cells and natural killer (NK) cells directly into the cancer micro-environment. The drug also increases the expression of PD-1 on these immune cells. TAK-659 inhibits both spleen tyrosine kinase (SYK), which is involved in . . . …

When we reiterated that Illumina (ILMN) is the engine of the biotechnology evolution we meant it. We have to add, though, that the evolution made possible by Illumina’s sequencers and next-generation sequencing (NGS) engine is tremendously improving research and medical practice.  Regarding medical practice, the most recent news announced a global strategic partnership between Illumina and Loxo Oncology (LOXO) to co-develop and commercialize a multi-gene panel for broad tumor …

NOVARTIS TO ACQUIRE AVEXIS A few months ago, Novartis (NVS) CEO agreed to cash out of the company’s consumer health joint venture with GlaxoSmithKline (GSK), which brought in cash intended to further improve and expand Novartis’ pipeline. Here we are. Yesterday, Novartis announced its intention to acquire the gene therapy firm AveXis (AVXS) at $8.7 billion, paying $218 for each share of this firm. In a conference call on Monday, …

THE BIOTECH EVOLUTION: AN UNPARALLELED SPEED The Tremendous Regret Investors Will Feel If They Sell the Best of the Best Biotechnology Firms Only Because the Market Is Weird   Even if one is scared and feels he should sell shares, he must be wise enough to select those stocks whose prices are closer to reaching the targets he estimated as representing their fair values. Biotech investors who lend their ears to …

Alnylam (ALN) is probably experiencing a stock selloff following the announcement of successful results from Pfizer’s (PFE) drug tafamidis.    Indeed, results from Phase 3 ATT-ACT clinical trial demonstrate that tafamidis succeeded in treating Transthyretin Cardiomyopathy, a subtype of TTR amyloidosis caused by the destabilization of the protein transthyretin. Tafamidis demonstrated a statistically significant reduction in all-cause mortality and frequency of cardiovascular-related hospitalizations compared to placebo at 30 months. The drug was …

IN THE NEWS PTC THERAPEUTICS  PTC Therapeutics (PTCT) stock, which dipped yesterday, probably on news announcing a public offering of 4,000,000 shares of its common stock at a public offering price of $27.04 per share. Yesterday, in a crazy market that looked as if the bull and bear are boxers knocking each other down every 10 minutes, PTCT lost around $5. The stock seems to rebound in today’s premarket …

Exelixis: Delightful Overseas Cabozantinib News Ipsen (EPA:IPN) announced that the Committee for Medicinal Products for Human Use (CHMP), the scientific committee of the European Medicines Agency (EMA) provided a positive opinion for Exelixis’ (EXEL) product Cabometyx® (cabozantinib) 20, 40, 60 mg regarding the first-line treatment of adults with intermediate- or poor- risk advanced renal cell carcinoma (aRCC). The CHMP positive opinion will be reviewed by the European Commission (EC), which has the …