Regenxbio Positive Results Regenxbio (RGNX) announced positive results from the Phase I/II/III CAMPSIITE® trial of RGX-121 for patients with Mucopolysaccharidosis Type 2 (MPS II), also known as Hunter syndrome. The results were presented at the Society for the Study of Inborn Errors of Metabolism (SSIEM) Annual Symposium 2024. The totality of evidence from the CAMPSIITE trial continues to . . . This content is for …

RegenxBio Today RegenxBio (RGNX) announced it completed a successful Pre-Biologics License Application (BLA) meeting with the FDA for the RGX-121 treatment of Mucopolysaccharidosis Type II (MPS II).  The FDA continues to be aligned with RegenxBio's plan to use cerebrospinal fluid (CSF) levels of heparan sulfate (HS) D2S6, a key biomarker of brain disease activity, as a . . . This content is for paid subscribers. …

Regenxbio Product RGX-121 Achieves Primary Endpoint From Regenxbio (RGNX) we learned that results from the Phase I/II/III CAMPSIITE® trial of the firm’s product RGX-121 for the treatment of 5 years old patients diagnosed with Mucopolysaccharidosis Type II (MPS II), also known as Hunter syndrome, demonstrated that the pivotal phase of the trial met its primary . . . This content is for paid subscribers. Please …

Regenxbio in the NEWS Today, the U.S. FDA granted Fast Track designation for Regenxbio (RGNX) Gene therapy RGX-202 a potential one-time gene therapy for the treatment of Duchenne muscular dystrophy (Duchenne). Therapies granted Fast Track designation are given the opportunity for more frequent interactions with the FDA and may qualify for priority review. The FDA has granted RGX-202 . . . This content is for paid …

Prohost's Beliefs About the Status of the Market That the market is still volatile and Bear. Investors in the biotech sector who intend to bet on clinical stage firms must restrict their choices to companies that already have proof of concept regarding safety and efficacy in some midterm and pre-term clinical trial results. Caution is still important for clinical-stage firms’ stocks that have encouraging clinical …

Regenxbio to Present Important Data  Regenxbio (RGNX) will present important material at the Society for the Study of Inborn Errors of Metabolism Annual Symposium, taking place in Germany from August 30 through September 2, 2022. The presentations are meant to highlight new data from the Phase I/II/III CAMPSIITE™ trial of RGX-121, an investigational one-time AAV Therapeutic . . . This content is for paid subscribers. …

Regenxbio in the NEWS  Regenxbio (RGNX) announced, on August 3, 2022, its intention to file a Biologics License Application (BLA) in 2024 using the FDA's accelerated approval pathway for RGX-121 for the treatment of Mucopolysaccharidosis Type II (MPS II), also known as Hunter Syndrome.   The Company has also announced that a pivotal program for RGX-121 is . . . This content is for paid …

Prohost Comprehensive Letter #451 Shorting Biotech Firms with Solid Fundamentals Unfair shorting of promising stocks seems to have become the norm during the harsh circumstances that not only the United States but several other countries have been living under for more than two years. The bad circumstances in the United States seem to be motivating unfair short-sellers to take advantage of bad news and cause …

Comprehensive Prohost Letter Issues Reality The Best of words in informative texts are the smallest in number and the most truthful in contents. That’s what Prohost believes, especially in the presence of the cruel circumstances our entire planet is currently living. Last Friday, the three indexes of the stock market had their best performances since the 4th quarter of 2020. Why? We don’t know, but …

Some Gains in Biotech Stocks During the War in Europe On Tuesday, Mar 8,2022 the United States’ government decided to ban the importation of Russian oil, liquefied natural gas and coal. This decision was made to further deprive Russia from the resources that enable it to continue with the unwarranted war against Ukraine. This resolution has come at a time when the price of oil …

Regenxbio Good News for wet AMD On January 10, 2022,  Regenxbio Inc. (RGNX) announced the initiation of ASCENT, the second of two Phase 3 pivotal trials to evaluate the efficacy and safety of subretinal delivery of RGX-314 in patients with wet age-related macular degeneration (wet AMD). RGX-314 is being investigated as a potential one-time gene therapy for . . . This content is for paid subscribers. …

Regenxbio Granted Orphan Drug Designation for RGX-202 Regenxbio (RGNX) announced the U.S. FDA granted Orphan Drug Designation for RGX-202 - a potential one-time gene therapy for the treatment of Duchenne muscular dystrophy. RGX-202 is designed to deliver a novel, optimized microdystrophin transgene with a unique C-terminal domain and a . . . This content is for paid subscribers. Please click here to subscribe or here to log …

Regenxbio and AbbVie Inc Agreement Regenxbio (RGNX) announced the successful closure of the collaboration and license agreement with AbbVie Inc (

Regenxbio Announced Data from Phase 2 ALTITUDE Trial of RGX-314 for DR Regenxbio (RGNX) announced initial data from the ongoing Phase 2 ALTITUDE™ trial of RGX-314 for the treatment of diabetic retinopathy (DR) without center-involved diabetic macular edema (CI-DME) using in-office suprachoroidal delivery. Regenxbio is a clinical-stage biotechnology company seeking to improve lives . . . This content is for paid subscribers. Please click here to …

The Comprehensive Prohost Letter Issues The Comprehensive Prohost Letter Issues will constitute a chain of 7 issues. Today’s issue will include the following: Pinpointing and selecting the biotech firms that demonstrate readiness to treat untreatable, devastating diseases. Presenting an important antibody cocktail for the treatment of COVID-19. Stating our position regarding the Alzheimer’s disease firm Cassava Sciences. Pinpointing Prohost’s . . . This content is …

Regenxbio and AbbVie in the NEWS Regenxbio (RGNX) stock soared today. The Company, along with AbbVie (ABBV

Roche Group and Spark Therapeutics Gene Therapy Showing Promising Results Looking for gene therapy treatments for chronic debilitating life-threatening diseases we fell on news from Spark Therapeutics, a member of the Roche Group (RHHBY); the firm announced preliminary data from part one of the ongoing Phase 1/2 open-label, non-randomized, dose-finding study of the investigational SPK-8016 . . . This content is for paid subscribers. Please click here …

Regenxbio Regenxbio (RGNX) announced that it is selling a portion of its royalty rights from the net sales of Zolgensma® by Novartis to entities managed by Healthcare Royalty Management, LLC (HCR) for $200 million. This transaction provides immediate, non-dilutive capital to Regenxbio in order continue the development of its gene therapy pipeline products and complete its internal manufacturing capabilities. Morgan Stanley & Co. LLC served …

Prohost Letter #443 The Biotechnology Industry The Biotechnology Industry revolutionized the arts of life sciences with accomplishments promising a tremendous improvement in the treatment of chronic, debilitating, progressive and life-threatening diseases. The improved approaches have been game changers in the treatment of cancers and genetic-derived hereditary and non-hereditary chronic diseases. The out-performance was made possible through the biotech industry’s creativity, innovation and remarkable productivity. The …

Regenxbio Dosed First Patient with RGX-111 for MPS I Regenxbio (RGNX) has dosed the first patient with RGX-111 in the Phase I/II trial for the treatment of Mucopolysaccharidosis Type I (MPS I). About Regenxbio Product RGX-111 RGX-111 is an investigational one-time gene therapy designed to deliver the α-l-iduronidase (IDUA) gene directly to the central nervous system (CNS) using the NAV AAV9 vector. RGX-111 is a …

Regenxbio Conference Call Information Regenxbio will host a conference call today, at 4:30 pm est today, November 4, 2020, to discuss its financial results for the quarter, ended September 30, 2020, and recent operational highlights. To access the live call by phone dial (855) 422-8964 (domestic) or (210) 229-8819 (international) and enter the passcode 4107819. To access a live or recorded webcast of the call …

Compugen Compugen (CGEN) announced the presentation of new research data that further support PVRIG as a potentially promising target for cancer immunotherapy. These data suggest that PVRIG inhibition may enhance T cell priming and infiltration into tumors and provide further evidence supporting the potential advantages of targeting PVRIG alone and in combination with TIGIT and PD-1 inhibitors, in tumors . . . This content is for …

President Trump, the First Lady and COVID-19 Indeed, the complicated, nasty SARS-CoV-2 virus managed to infect President Trump and the First Lady when we were expecting a vaccine to soon be ready to protect the country and the world from COVID-19. The president’s physicians did not treat the him with any of the investigational vaccines in late-phase trials; vaccines being developed by: Moderna (

Recent Gene Therapy News On August 20, 2020 Audentes Therapeutics, which was taken over by Astellas (ALPMY) for over $3 billion, announced that a third patient has passed away in a clinical trial evaluating its gene therapy product AT132 for the treatment of the life-threatening neuromuscular X-linked Myotubular Myopathy (XLMTM). The neuromuscular disease is . . . This content is for paid subscribers. Please click here …

Regenxbio Positive Data for RGX-314 Regenxbio (RGNX) reported positive one-year data from patients in Cohorts 4 and 5 from Phase I/IIa trial of RGX-314 for wet age-related macular degeneration (wet AMD). Regenxbio plans to initiate a pivotal program for the subretinal delivery of the gene therapy RGX-314 in patients . . . This content is for paid subscribers. Please click here to subscribe or here to log …

Beyond the firms that are speeding towards bringing prophylactic vaccines against the COVID-19 infection into the clinic we have to consider the other firms that have been negatively affected by the virus pandemic; we expect them to rebound and surge when the virus loses its ability to kill. We decided to start with gene therapy companies that we believe have suffered from the delays of …

Exelixis, Takeda and Japanese RCC Patients Today we learned from Exelixis (EXEL) that Takeda Pharmaceutical Company Limited, which is responsible for the clinical development and commercialization of Exelixis' oncology drug  CABOMETYX® (cabozantinib . . . This content is for paid subscribers. Please click here to subscribe or here to log in.

Regenxbio, Moderna and Others Regenxbio (RGNX) announced several poster presentations including interim data from its Phase I/II trial of RGX-121 for the treatment of Mucopolysaccharidosis Type II (MPS II

Regenxbio Results from RGX-121 for MPSII Regenxbio (RGNX) announced interim data from Phase I/II trial of RGX-121 for Mucopolysaccharidosis Type II (MPS II). RGX-121 is designed to deliver the gene that encodes iduronate-2-sulfatase (I2S) enzyme directly to the central nervous system (CNS) using the AAV9 vector. About Mucopolysaccharidosis Type . . . This content is for paid subscribers. Please click here to subscribe or here to log in.

The Market May be Plummeting But Prohost Picks are Not Biotech stocks had a strong start, but the gains disappeared in many stocks as the market demonstrated bearishness following a long-lasting rally. Currently, during the strong economic conditions, commentators attribute the reasons for the market’s upside and downside moves to China’s positive, or negative ongoing negotiations rather than to fair correction of overbought or oversold …

Regenxbio Misleading Selloff A selloff of Regenxbio (RGNX) stock, following the FDA’s partial hold on the intrathecal administration of AVXS-101, is unwarranted and totally misleading.   Why? Because the selloff of RGNX gave the impression that the gene therapy Zolgensma, using the adeno-associated virus (AAV) vector , developed by Regenxbio, has failed, which is not true. The partial hold was put only on the product …

RegenxBio Rebounding RegenxBio (RGNX) has the viral vectors which could safely deliver genes into the cells. The firm has improved the adeno-associated viruses making them safe and effective gene delivery vehicles. One of the three currently approved gene therapy products, Zolgensma® for pediatric spinal muscular atrophy (SMA), marketed by Novartis, used RegenxBio’s adeno-associated . . . This content is for paid subscribers. Please click here to …

RegenxBio Interim Data from Phase I/IIa Trial of RGX-314 for Wet AMD RegenxBio (RGNX) announced interim data from the ongoing Phase I/IIa trial of RGX-314 for the treatment of wet age-related macular degeneration (wet AMD). Here are the results as presented by the Company. The results were presented by Jeffrey S. Heier, M.D., Co-President and Director . . . This content is for paid subscribers. Please …

Prohost Letter #436 What Are We Experiencing Now? The bizarre market underperformance progressing rather than regressing and the good economy and the employment gains are the least utilized factors after being the most influential on the stock market performance. We are witnessing the most bullish analysts being confused, hesitating to give their followers a crystal clear explanation about the market’s skepticism, anger and volatility. The …

Migraine's Really Effective Treatments The years 2018 and 2019 could be called the years of migraine’s really effective treatments. Three Calcitonin-gene-related peptide (CGRP) monoclonal antibody drugs have been approved in 2018 and 2019. They are: Aimovig for Amgen (AMGN . . . This content is for paid subscribers. Please click here to subscribe or here to log in.

Diseases of the Back of the Eye Diseases of the back of the eye, such as: age-related wet macular degeneration, diabetic retinopathy and diabetic macular edema, are currently managed with injections of anti-vascular endothelial growth factor (anti-VEGF) drugs into the gel-like substance (the vitreous humor) that fills the eye between the lens and the retina. The currently used age-related wet macular degeneration injections are: Lucentis, which belongs …

RegenxBio License Agreement with Pfizer RegenxBio (RGNX) announced a license agreement with Pfizer (PFE). Under the terms of the agreement RegenxBio has granted Pfizer a non-exclusive worldwide license, with rights to sublicense, to RegenxBio’s NAV AAV9 vector for the development and commercialization of gene therapies for Friedreich’s ataxia (FA). The most common hereditary ataxia (neurological lack of muscle coordination). RegenxBio will receive an upfront payment and has …

Small Biotech Firms That Can Become Top-Tier Biotech Giants We Start With... Abeona Therapeutics Abeona Therapeutics (ABEO) is a clinical-stage biopharmaceutical gene and cell therapy company. In September 2016 Abeona acquired an exclusive worldwide license of a next-generation gene therapy AAV capsid portfolio from University of North Carolina at Chapel Hill.  The AIM™ vector system . . . This content is for paid subscribers. Please click here to subscribe …

Zolgensma Findings The FDA submission of the gene therapy product Zolgensma was based on positive findings from a trial of 15 babies treated with it. Recently; however, at the Orlando meeting of the Muscular Dystrophy Association Novartis (NVS) presented interim results for 22 babies with Type 1 SMA which is considered the . . . This content is for paid subscribers. Please click here to subscribe …

The Week in Review #39 During the Departed Week Three Prohost Portfolio Picks Hit Their 52-Week Highs The three picks referred to in the above title are, Novartis (NVS), Array (AARY) and Ionis (IONS). Previous Prohost Letters discussed Novartis and Array and continued to remind that they are Prohost favorites. The time has come to take a deeper look at Ionis; starting with the reasons …

We love to read news about gene therapy as it is the only possibility for curing diseases that no known treatment can halt or delay their progression. The attempts to use gene therapy failed ambitious researchers for several decades before the revolution that led to understanding the genome and even decades  more after the publishing of the genomic map that actually started the real revolution. …

RegenxBio (RGNX), a clinical-stage gene therapy firm with a proprietary NAV® Technology Platform, will host an analyst and investor event focused on its ophthalmology program; including its lead product candidate RGX-314, on Thursday, February 21, 2019, from 9:00 a.m. to 12:00 p.m. EST in New York City. A live webcast will be available on the company’s website. The agenda will include discussion on RegenxBio’s NAV® Technology Platform; a review of the market landscape and unmet …

The United States FDA granted Breakthrough Therapy Designation to AMT-061. The European Medicines Agency gave it access to the Priority Medicine (PRIME) regulatory initiative. Gene therapy firm, uniQure (QURE), announced updated clinical data in patients treated in the ongoing Phase 2b study of AMT-061; an investigational AAV5-based gene therapy containing a patent-protected  FIX9-Padua (Factor 9) for the treatment of patients with severe and moderately severe hemophilia B. The announced data, which …

FDA Granted Rare Pediatric Disease Designation for RegenxBio’s Product RGX-181 for CLN2 RegenxBio RegenxBio (RGNX), a development-stage firm that focuses on designing and developing gene therapy based on its proprietary NAV® Technology Platform, announced that the U.S. FDA granted Rare Pediatric Disease Designation to its RGX-181 therapy. RegenxBio is a leading clinical-stage biotechnology company that promises to cure genetic-derived diseases with its gene therapy. RegenxBio’s NAV Technology Platform is …

Now You See it, Now You Don’t Deliberate Omissions of Real Facts Real facts might be displayed or concealed depending on the news announcers’ or bloggers’ self-interests. The following contains cases of deliberate or unintentional omission of facts that led to the decline of fundamentally sound biotech and biopharmaceutical firms in bullish market during the departed trading week . . . This content is for paid subscribers. Please …

The Week in Review #35 Politics and the Market The market tumbled today as Theresa May, the Prime Minister of England, delayed the Brexit vote!  The question becomes, what will be put forth next as a legitimate reason for bringing the market down and eroding investors’ gains? The weather? A war among gangs in a fourth-world country? Maybe the resignation of the chairman of a …

Today, the market took another beating as a result of either an intentional or an unintentional lack of clearance by professionals in describing correctly the standing of employment and other current economic realities. They pinpointed irrelevant reasons in an effort to justify the Stock Market's tumbling.  One big headline was that 150,000 added jobs did not meet expectations. They never explained whether those jobs were all …

Prohost Letter #425 When Common Sense Fails to Explain the Market Performance It is not unusual for the stock market to be in a selloff mood for a few days. However, in the last couple of months, the market unexpectedly plunged deep into the ocean of the unknown. The exaggerated volatility was nerve-wracking for professional analysts. This is especially true for candid analysts who base …

We hope you all took advantage of the Thanksgiving holiday to rest and relax. We did. In Today’s NEWS RegenxBio Offers Rocket Pharmaceuticals exclusive, worldwide, rights to adenoviral vector NAV AAV9 for the development of treatments for Danon Disease RegenxBio (RGNX) announced that it awarded an exclusive, worldwide, license agreement to Rocket Pharmaceuticals (RCKT) so it can develop gene therapy for Danon disease. The exclusive license …

Yesterday, the Stock Market skyrocketed and with it a significant number of Prohost Picks that we keep reminding ourselves are undervalued. The outperformance unveiled the interred strength of firms such as: Illumina (ILMN), Amgen (AMGN) and Vertex (VRTX), the gene therapy firms: RegenxBio (RGNX) and Spark (ONCE), and the gene editing firms: Crispr (CRSP), Intellia (NTLA) and Editas (EDIT), as well as others in the Prohost Portfolio. The rebounding in the …

RegenxBio (RGNX) has granted Abeona Therapeutics (ABEO) an exclusive worldwide license to its NAV AAV9 viral vector (subject to certain non-exclusive rights previously granted for MPS IIIA) for the treatment of four diseases: Sanfilippo syndrome type A (MPS IIIA) and type B (MPS IIIB), Infantile Batten Disease, also known as neuronal ceroid lipofuscinosis type 1 (CLN1 Disease) and Juvenile Batten Disease, also known as neuronal ceroid lipofuscinosis type 3 …

The Week in Review #33 WE CALL IT THE BAD MARKET The Federal Reserve’s raising of the interest rate does not and should not mean a demise of the companies trading on the NASDAQ and other stock exchanges. The biotech group of firms with strong scientific fundamentals will not stop innovating and bringing breakthroughs to millions of people who are desperate for them if an …

Prohost Letter #424 Following the Stars Less Science and More Logic We reiterate that while a human star is born every once in a while on Earth, several stars born daily in research labs may be designated every other day by the FDA and other health regulatory agencies around the world. These agencies call these potential stars’ breakthrough drugs, but not all the molecules designated …

The Week in Review #29 PROHOST AGGRESSIVE PORTFOLIO  - The aggressive portfolio hosts biotech firms with solid scientific fundamentals and prominent scientists whose stocks have plummeted following some setbacks. A setback could be a failure of an investigational product to meet the endpoints of its clinical trial or that the small biotech firm has taken long to achieve its goals . . . This content …

The Week in Review #28 The approval of revolutionary products created by biotech firms with solid scientific fundamentals, superior scientists and advanced technologies is what motivates us to pick for investment biotech and biopharmaceutical firms. So, let’s see what has been approved in the parting week  from firms that we picked for investment.       IMPORTANT APPROVALS       Prohost Picked Firm     …

We reiterate that undeniably outstanding news about gene therapy is taking time to penetrate investors’ ears. They are still falling victim to bad rules of thumb and critics’ magnifications of the negative impact of some stocks’ dilution when companies with superior programs try to finance through a public offering. The stocks’ punishments following financing is not a rule to apply to all firms, especially those …

WE ARE LIVING AN HISTORIC BIOLOGICAL REVOLUTION. Unfortunately, the undeniably outstanding news has not yet penetrated the ears of many investors. They are still falling victim to the stock market traders’ games and to critics’ and bloggers’ magnifications or fabrications of negative news. Many investors end up selling their thoughtfully chosen highly scientific biotech firms to regret later on what they have done when their …

Regeneron Pharmaceuticals (REGN) and bluebird bio, Inc. (BLUE) announced a collaboration to apply their respective technology platforms to the discovery, development, and commercialization of novel immune cell therapies for cancer. The collaborators will specifically leverage Regeneron’s VelociSuite® platform technologies for the discovery of human antibodies as well as T cell receptors (TCRs) directed against tumor-specific proteins and peptides, and bluebird bio will contribute its field-leading expertise in gene transfer and …

ProhostLetter #423 TOMORROW’S THERAPEUTICS TODAY For a more or less fair evaluation of biotechnology and pharmaceutical firms, analysts currently rely for their assessment on criteria that include quarterly financial results, products’ sales revenues, and year over year growth of each and every marketed therapeutic. When it comes to clinical-stage firms, the logic implies that these criteria cannot be relied on for evaluation, as most of …

Novartis’ (NVS) financials results exceeded analysts’ expectations. The firm’s research institutions’ strategy, well-designed structure, plans for innovation and accurate execution led to a wealthy and competitive pipeline with more than 200 projects in clinical development. Novartis is flying into the future finding its way to more effective treatments and possible cures. As a matter of fact, Novartis is at the end of the road towards …

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 …

Prohost Letter #422 SUMMARY OF THE PAST ISSUE ARTICLE - REVISITING PROMISING FIRMS (PART1) - The firms we tackled in the past issue comprised: 1. Firms we liked and added to our portfolio. 2. Firms we posted their good news, but did not select... 

Prohost Letter #421 PRIVATE  LESSONS - Stock prices of publicly-­traded biotech companies oscillate for the same reasons other industries’ stock prices swing all day long. The fluctuations are the outcome of investors’ and daily traders’ unrelenting buying and selling . . . This content is for paid subscribers. Please click here to subscribe or here to log in.

Prohost Letter #416 Part 2 2017 - A YEAR OF BREAKTHROUGH TECHNOLOGIES, BREAKTHROUGH PRODUCTS, IMPROVEMENTS ON PROMISING BREAKTHROUGH TREATMENTS, DECIPHERING IMPORTANT LIFE SCIENCE MYSTERIES, PINPOINTING BIOLOGICAL PATHWAYS FOR TREATMENT RESISTANCE, MIRACLE CURES, AND… A LOT OF DISTORTED NEGATIVE INTERPRETATIONS - Prioritizing our choices of breakthroughs has been a dilemma . . . This content is for paid subscribers. Please click here to subscribe or here to log …

COLLABORATIONS Preparing for the Future, Biogen Signs a Lucrative Collaborative Agreements While Highlighting the Small Firm REGENXBIO Pursuing gene therapy, Biogen (BIIB) announced collaborations with two gene therapy experts from the University of Pennsylvania as well as a gene therapy technology licensing deal with THE small gene therapy firm RegenxBio (RGNX). The deal will allow Biogen to license RegenxBio proprietary NAV Technology Platform for the …