On April 3, 2018 Bio-Path Holdings, Inc., (NASDAQ:BPTH), a biotechnology company leveraging its proprietary DNAbilize antisense RNAi nanoparticle technology to develop a portfolio of targeted nucleic acid cancer drugs, reported its financial results for the full year ended December 31, 2017 and provided an update on recent corporate developments (Press release, Bio-Path Holdings, APR 3, 2018, View Source [SID1234525156]).

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"During 2017 we made meaningful progress advancing both our clinical and corporate objectives, which has positioned us for continued growth throughout 2018 and beyond," stated Peter Nielsen, President and Chief Executive Officer of Bio-Path. "As we move into 2018, we expect to implement the protocol amendments to our Phase 2 clinical trial of prexigebersen for the treatment of acute myeloid leukemia, to prepare for a Phase 1 clinical trial of BP1002 in lymphoma, to begin enrollment of a Phase 1 clinical trial of prexigebersen in solid tumors potentially by year-end, and to start a series of IND-enabling studies for BP1003 in pancreatic cancer. We continue to have confidence in the performance and potential of our DNAbilize platform technology to produce exciting drug candidates to help patients with high unmet medical need."

Recent Corporate Highlights

·Reported Pre-Specified Interim Results from Phase 2 Study of Prexigebersen in Combination with LDAC to Treat AML. Of the 17 evaluable patients, four patients achieved complete responses, one patient achieved a leukemia free, one patient had significantly reduced bone marrow blasts and three patients achieved stable disease. In total, 47% of the evaluable patients showed some form of response to the combination treatment, including four patients with complete remission (23%) and four patients with stable disease.

·Published Data in The Lancet Haematology. In March 2018, the Company announced that data from its Phase 1/1b study of prexigebersen (BP1001) as a treatment for hematological malignancies was published in The Lancet Haematology in an article titled, "Liposomal Grb2 antisense oligodeoxynucleotide (BP1001) in patients with refractory or relapsed haematological malignancies: a single-centre, open-label, dose-escalation, phase 1/1b trial."

·Announced Third Drug Candidate, BP1003, for Treatment of Pancreatic Cancer. In November 2017, Bio-Path announced its third drug candidate, BP1003, entered into preclinical development for the treatment of pancreatic cancer. BP1003 targets the Stat3 protein and is currently being studied in patient-derived tumor models. Previous ex vivo tumor studies have shown BP1003 to successfully penetrate pancreatic tumors and enhance the efficacy of standard frontline treatments. Bio-Path expects to initiate IND-enabling studies for BP1003 in 2018.

Upcoming Events

·Presentation at the 2018 AACR (Free AACR Whitepaper) Annual Meeting. Bio-Path will present preclinical animal model data at the upcoming AACR (Free AACR Whitepaper) Annual Meeting on Wednesday, April 18, 2018, at the Experimental and Molecular Therapeutics Session, Section 36, from 8:00 a.m. – 12:00 p.m. ET in Chicago. The abstract (#5786) is titled: "Grabbing GRB2: The use of liposome-incorporated Grb2 antisense oligonucleotides as a novel therapy in gynecologic malignancies."

Financial Results for the Full Year Ended December 31, 2017

The Company reported a net loss attributable to common stockholders of $8.1 million, or $0.80 per share, for the year ended December 31, 2017, compared to a net loss attributable to common stockholders of $6.8 million, or $0.73 per share, for the year ended December 31, 2016. The increase was primarily due to the deemed dividend related to the warrant conversion in 2017. The per share amounts above have been adjusted to give effect to the 1-for-10 reverse stock split that occurred on February 8, 2018.

Research and development expenses were $5.5 million for both the years ended December 31, 2017 and December 31, 2016.

General and administrative expenses for the year ended December 31, 2017 increased to $3.5 million, compared to $3.0 million for the year ended December 31, 2016. The increase was primarily due to increased legal and audit fees.

As of December 31, 2017, the Company had cash of $6.0 million, compared to $9.4 million at December 31, 2016. Net cash used in operating activities for the year ended December 31, 2017 was $8.0 million compared to $8.1 million for the comparable period in 2016. Net cash used in investing activities for the year ended December 31, 2017 was $0.5 million. Net cash provided by financing activities for the year ended December 31, 2017 was $5.1 million.

Conference Call and Webcast Information

Bio-Path Holdings will host a conference call and webcast today at 8:30 a.m. ET to review these full year 2017 financial results and to provide a general update on the Company. To access the conference call please dial 844-815-4963 (domestic) or 210-229-8838 (international) and refer to the conference ID number 5195559. A live audio webcast of the call and the archived webcast will be available in the Media section of the Company’s website at www.biopathholdings.com.

On April 3, 2018 H3 Biomedicine Inc., a clinical stage biopharmaceutical company specializing in the discovery and development of next-generation cancer medicines using its data science and precision chemistry product engine, reported the publication of a comprehensive genomic landscape analysis illuminating the breadth, frequency and potential disease-driving significance of somatic mutations in RNA splicing factor genes in human cancers (Press release, H3 Biomedicine, APR 3, 2018, View Source [SID1234525375]). The findings demonstrate that splicing factor mutations, which lead to RNA splicing dysregulation, are highly prevalent in many hematologic and solid tumor cancers, suggestive of their role as a hallmark of tumor formation and growth and, thus, opportunities for therapeutic intervention. RNA splicing is the biological process by which pre-cursor messenger RNA (pre-mRNA) is edited into a mature messenger RNA (mRNA). Splicing factors carry out the editing process which is catalyzed by the core spliceosome complex. H3 Biomedicine scientists’ research and findings were published in the most recent online version of Cell Reports. (Seiler M. et al, "Somatic mutational landscape of splicing factor genes and their functional consequences across 33 cancer types"). This manuscript is part of The Cancer Genome Atlas (TCGA) Program, a joint effort of the National Cancer Institute (NCI) and the National Human Genome Research Institute (NHGRI).

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"In recent years, somatic mutations in core splicing factors have been described in certain hematologic malignancies but the breadth of splicing factor mutations has been largely underappreciated. The findings published today give us for the first time a comprehensive understanding of just how common splicing factor mutations are across many types of cancer and of the role they may play in promoting tumor formation and progression," said Markus Warmuth, M.D., President and Chief Executive Officer of H3 Biomedicine Inc. "This knowledge further validates the therapeutic approach of modulating spliceosome dysregulation to control tumor formation and growth, one of our core focus areas at H3 Biomedicine as evidenced by H3B-8800, our small molecule modulator of the SF3b complex, which is currently being evaluated in a Phase 1 clinical trial for patients with hematologic cancers and splicing factor mutations. In addition, the research findings open up an expansive, actionable trove of spliceosome targets that could be explored with novel therapeutic strategies."

Using whole exome and RNA sequencing data in TCGA, H3 data scientists analyzed over 10,000 patient samples across 33 tumor types to identify somatic mutations in RNA splicing factors. The analysis of over 400 splicing factor genes identified 119 genes as having putative driver mutations, including over-representation, recurrent loss-of-function or recurrent hotspot (oncogene-like) mutations.

Mutations in splicing factor genes were found in all 33 tumor
types with the frequency of mutations in multiple splicing factor genes as high as 60% in patient samples of the same tumor types, representing a much larger occurrence than previously reported. In addition, H3 scientists, as exemplified in case studies of five genes, showed that mutations in splicing factor genes led to dysregulated or altered splicing in mutated cells.
"This research and analysis exemplifies our differentiated drug discovery approach. We have the computational power and know-how to mine vast amounts of genomic data and reveal critical insights that we in turn utilize to develop and investigate highly targeted, precision approaches to cancer," said Lihua Yu, Ph.D., Chief Data Science Officer of H3 Biomedicine Inc. "We’re particularly proud of this work because, beyond informing our own drug discovery efforts, it will help advance the entire field’s understanding of the role dysregulated RNA splicing plays in cancer."
H3 Biomedicine is advancing novel cancer therapies that target core splicing factor mutations. A Phase 1 trial is underway in patients with hematologic malignancies for the company’s first spliceosome pathway-targeting cancer therapeutic, H3B-8800, a potent, selective and orally bioavailable small molecule modulator of wild-type and mutant SF3b complex, a splicing factor gene. The study is evaluating the safety and preliminary efficacy of H3B-8800 in patients with myelodysplastic syndromes, acute myeloid leukemia, and chronic myelomonocytic leukemia who carry mutations in splicing factor genes. Preclinical data demonstrate that H3B-8800 modulates RNA splicing and shows preferential antitumor activity in a range of spliceosome-mutant cancer models.

Splicing modulation is one of several research focus areas of H3 Biomedicine. H3 Biomedicine has two additional investigational therapies in Phase 1 clinical trials, including:

H3B-6545, an oral, first-in-class ESR1 covalent antagonist targeting wild-type and mutant estrogen receptor α in endocrine-therapy resistant metastatic breast cancer patients; and

H3B-6527, an oral, potent and highly selective small molecule covalent inhibitor of FGFR4 for treatment of hepatocellular carcinoma (HCC) patients with overexpression of FGF19.

BeyondSpring Pharmaceuticals has filed a 20-F – Annual and transition report of foreign private issuers [Sections 13 or 15(d)] with the U.S. Securities and Exchange Commission (Filing, 20-F, BeyondSpring Pharmaceuticals, 2018, APR 3, 2018, View Source [SID1234527561]).

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On April 3, 2018 Cellectis (Euronext Growth: ALCLS – Nasdaq: CLLS), a clinical-stage biopharmaceutical company focused on developing immunotherapies based on gene-edited allogeneic CAR T-cells (UCART), and Allogene Therapeutics, Inc. (Allogene), a biotechnology company focused on the rapid advancement of allogeneic CAR T therapies targeting blood cancers and solid tumors, reported that Allogene intends to assume from Pfizer the global strategic collaboration to develop "off-the-shelf" CAR T immunotherapies for oncology (Press release, Cellectis, APR 3, 2018, View Source [SID1234525157]). This agreement was initially formed with Cellectis in June 2014.

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Earlier today, Allogene and Pfizer announced that the two companies have entered into an asset contribution agreement for Pfizer’s allogeneic CAR T-cell therapy portfolio, which includes 16 preclinical assets and UCART19. Subject to certain closing conditions, Allogene will assume the strategic collaboration and license agreement with Cellectis, with exclusive rights to develop and commercialize previously defined allogeneic UCART programs directed at select targets. Cellectis will remain eligible to receive clinical and commercial milestone payments of up to $2.8 billion, or $185 million per target for 15 targets and tiered royalties in the high single digits on net sales of any products that are commercialized by Allogene under the agreement. This new alliance, with Allogene’s dedicated team, is expected to lead to a strong acceleration of CAR T therapies.

Allogene, co-founded and led by former executives of Kite Pharma, is well-positioned to catalyze the next revolution in cell therapy with its leaders’ unrivaled experience in the clinical development of autologous CAR T therapy. Arie Belldegrun M.D., FACS, Founder and former Chairman, President and Chief Executive Officer of Kite, will serve as Executive Chairman of Allogene, and David Chang, M.D., Ph.D., former Executive Vice President, Research and Development and Chief Medical Officer of Kite, will serve as President and Chief Executive Officer of Allogene.

Cellectis’ CAR T platform provides a proprietary, allogeneic approach that uses engineered T-cells from a healthy donor for use in multiple patients. This is distinct from autologous approaches that use a patient’s own T-cells to target tumor cells.

"Allogeneic represents the next transformative step in medicine, as it will potentially allow patients all over the world to quickly receive these potentially life-saving therapies in the most efficient and cost-effective way possible. The last four years of partnership with Pfizer have been very rewarding and productive. Pfizer was among the early adopters of the allogeneic approach, seeing that gene-edited CART programs are the future of immunotherapy to treat cancer. We sincerely thank everyone involved in this collaboration, from the top management to the scientists, for their foresight and their belief in our common portfolio," said Dr. André Choulika, Ph.D., Cellectis’ Chairman & Chief Executive Officer. "We strongly believe Allogene, together with Cellectis, will from the best possible team to continue this collaboration. Our expertise in allogeneic CART and gene-editing combined with the leadership of Drs. Arie Belldegrun and David Chang and their exemplary track record and execution in cell therapy paves the way for the future in off-the-shelf products enhanced by gene editing."

"We have built mutual trust and respect over the years in the CAR T industry and this collaboration will be the starting point for a long-term partnership," said David Chang, M.D., Ph.D., President and Chief Executive Officer of Allogene. "Our mission at Allogene is to catalyze the next revolution in cancer treatment through the development of allogeneic CAR T therapies directed at blood cancers as well as solid tumors. We believe this collaboration fuels our mission and we look forward to partnering with Cellectis to accelerate the development of allogeneic cell therapies."

On April 3, 2018 Eleven Biotherapeutics, Inc. (NASDAQ: EBIO), a late-stage clinical company developing next-generation antibody-drug conjugate (ADC) therapies for the treatment of cancer, reported that preliminary efficacy and safety data from its ongoing Phase 3 VISTA trial of Vicinium in patients with non-muscle invasive bladder cancer (NMIBC) who have been previously treated with bacillus Calmette-Guérin (BCG) have been selected for presentation during a plenary session currently scheduled for Monday, May 21, 2018 at 11:00 a.m. PT at the American Urological Association Annual Meeting taking place in San Francisco (Press release, Eleven Biotherapeutics, APR 3, 2018, View Source [SID1234525376]). Vicinium is a fusion protein, designed to be a next-generation ADC, that targets the epithelial cell adhesion molecule (EpCAM) antigens on the surface of bladder cancer cells to deliver a potent cytotoxin into those cells.

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Data, as reported in the abstract published online today, are from a subgroup of the first 75 evaluable carcinoma in situ patients. Within these patients, preliminary findings show that greater than 95 percent expressed EpCAM on the surface of tumor cells, the target of Vicinium. Efficacy data as measured by complete response rates at three-months will be reported during the plenary session. Vicinium has been well-tolerated. Treatment-related adverse events (AEs) were reported in 46 percent of patients, the majority of which were Grade 1 or 2. The most common of these were dysuria (12%), UTI or pollakiuria (10%) and hematuria (7%), which are often associated with catheter-delivered treatments into the bladder and bladder cancer itself. As of the December 2017 data cut off, three treatment-related serious AEs were reported, including renal failure (CTCAE Grade 5) with cholestatic hepatitis (Grade 4) in one patient and acute kidney injury (Grade 3) in a second patient who recovered.

In March 2018, recruitment was completed in the VISTA trial, a single-arm registration study designed in accordance with U.S. Food and Drug Administration’s final guidance for developing treatments for BCG-unresponsive NMIBC.
"When treatment with today’s standard of care, BCG, is no longer an option, the next treatment option is typically removal of the patient’s bladder, a challenging, life-altering procedure that many patients elect not to undergo," said Stephen Hurly, president and chief executive officer of Eleven Biotherapeutics. "Vicinium has demonstrated that it is a well-tolerated and active agent in patients with BCG unresponsive NMIBC in studies to-date. We are excited to be presenting the first preliminary data from our Phase 3 VISTA trial of Vicinium for patients with NMIBC at this year’s AUA meeting. During our plenary presentation, we will share initial efficacy findings and data supporting the favorable safety we have observed so far with Vicinium. We believe Vicinium holds tremendous potential as a treatment for bladder cancer, and we look forward to sharing these and additional data later in the year."
The company plans to host a conference call in conjunction with the data presentation, with details to follow.
About the VISTA Clinical Trial
The VISTA trial is an open-label, multicenter, single-arm Phase 3 clinical trial evaluating the efficacy and tolerability of Vicinium in patients with high-risk non-muscle invasive bladder cancer (NMIBC) that is carcinoma in situ (CIS, cancer found on the inner lining of the bladder that has not spread into muscle or other tissue) or papillary (cancer that has grown from the bladder lining out into the bladder but has not spread into muscle or other tissue), who have been previously treated with bacillus Calmette-Guérin (BCG). The primary endpoint of the trial is the complete response rate in patients with CIS with or without papillary disease and durability of that response. Patients in the study receive locally administered Vicinium twice a week for six weeks, followed by once-weekly treatment for another six weeks, then treatment every other week for up to two years. Topline data assessing responses and durability of responses at three-months on treatment are expected in mid-2018, with 12-month data anticipated in mid-2019.

About Vicinium
Vicinium, Eleven Biotherapeutics’ lead product candidate, is a next-generation antibody-drug conjugate developed using the company’s proprietary Targeted Protein Therapeutics platform. Vicinium is comprised of a recombinant fusion protein that targets epithelial cell adhesion molecule (EpCAM) antigens on the surface of tumor cells to deliver a potent protein payload, Pseudomonas Exotoxin A (ETA). Vicinium is constructed with a stable, genetically engineered linker to ensure the payload remains attached until it is internalized by the cancer cell, which is believed to decrease the risk of toxicity to healthy tissues, thereby improving its safety. In prior clinical studies conducted by Eleven Biotherapeutics, EpCAM has been shown to be overexpressed in non-muscle invasive bladder cancer (NMIBC) cells with minimal to no EpCAM expression observed on normal bladder cells. Eleven Biotherapeutics is currently conducting the Phase 3 VISTA trial, designed to support the registration of Vicinium for the treatment of NMIBC in patients who have previously received two courses of bacillus Calmette-Guérin (BCG) and whose disease is now BCG-unresponsive. Topline, three-month data from the trial are expected in mid-2018. Additionally, Eleven Biotherapeutics believes that Vicinium’s cancer cell-killing properties promote an anti-tumor immune response that may potentially combine well with immuno-oncology drugs, such as checkpoint inhibitors. The activity of Vicinium in BCG-unresponsive NMIBC is also being explored at the US National Cancer Institute in combination with AstraZeneca’s immune checkpoint inhibitor durvalumab.