Calithera Biosciences Initiates Phase 1/2 Trial of Telaglenastat in Combination with the PARP Inhibitor Talazoparib

On March 26, 2019 Calithera Biosciences, Inc. (Nasdaq: CALA), a clinical-stage biotechnology company focused on discovering and developing novel small molecule drugs for the treatment of cancer and other life-threatening diseases, reported that the first patient has been treated in the Phase 1/2 open-label clinical trial of the glutaminase inhibitor telaglenastat (CB-839) in combination with Pfizer’s poly adenosine diphosphate ribose polymerase (PARP) inhibitor talazoparib, also known as Talzenna , in patients with advanced or metastatic solid tumors (Press release, Calithera Biosciences, MAR 26, 2019, View Source [SID1234535225]).

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"The initiation of this clinical trial of telaglenastat in combination with talazoparib marks the first of two clinical trials that will evaluate telaglenastat with approved Pfizer therapeutics as part of this collaboration," said Susan Molineaux, PhD, president and chief executive officer of Calithera. "We believe these new combination trials have the potential to broaden the opportunities for telaglenastat to improve patient outcomes."

Preclinical studies have shown that telaglenastat synergizes with PARP inhibitors to impair DNA synthesis, enhance DNA damage and block cancer cell proliferation. The combination of telaglenastat with PARP inhibitors has demonstrated synergistic activity in a number of preclinical cancer models, including renal cell carcinoma (RCC), triple negative breast cancer (TNBC), colorectal cancer (CRC), non-small cell lung cancer (NSCLC), ovarian cancer and prostate cancer. In October 2018, Calithera entered into a clinical trial collaboration agreement with Pfizer to evaluate telaglenastat in two clinical trials. The first trial is a combination of telaglenastat with talazoparib and the second trial is a combination of telaglenastat with palbociclib, also known as Ibrance. As part of this agreement, Pfizer will provide palbociclib and talazoparib, as well as financial support.

The Phase 1/2 trial (NCT03875313) will evaluate the safety and efficacy of the combination of telaglenastat plus talazoparib in patients with locally advanced/metastatic RCC, TNBC and CRC that are refractory or intolerant to standard therapies. The trial will evaluate the potential of telaglenastat to sensitize tumors to talazoparib in patients regardless of mutations in the BRCA gene.

Telaglenastat is an investigational, novel glutaminase inhibitor specifically designed to block glutamine consumption in tumor cells. Tumors commonly exhibit metabolic alterations that increase their dependence on glutamine. In preclinical studies, telaglenastat produced synergistic antitumor effects when used in combination with standard-of-care therapies.

Nanobiotix announces its clinical registration plan in Head and Neck cancers for
the United States following FDA feedback

On March 26, 2019 NANOBIOTIX (Euronext: NANO – ISIN: FR0011341205 – the ‘‘Company’’), a clinical-stage nanomedicine company pioneering new approaches to the treatment of cancer, reported that the Company has clarity on its regulatory pathway in the treatment of Head and Neck cancers for first-in-class radioenhancer NBTXR3 (Press release, Nanobiotix, MAR 26, 2019, View Source [SID1234534630]).
The announcement follows pre-IND feedback from the US FDA received on March 18, 2019.

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Stage III and IV Head and Neck cancers include large primary tumors which may invade underlying structures and/or spread to regional nodes. Treatment of these locally advanced forms of the disease—which makes up more than 50% of all Head and Neck cancers—requires aggressive, concerted measures that often remain a clinical challenge with an estimated 5-year survival rate of 50% with the current standard of care.

Within the Stage III and IV Head and Neck cancers patient population, the Company targets a subpopulation of patients, who have a higher risk of recurrence, or a poorer prognosis as they have an inability to receive cisplatin, the frontline chemotherapy drug for advanced Head and Neck cancers. Additionally, the localization of the tumor focuses on oropharynx, hypopharynx, and oral cavity – representing the majority of Head and Neck cancers.

Based on US FDA feedback, the Company plans to design an Overall Survival (OS)-based, randomized, event-driven Phase II/III clinical trial. 50% of patients will receive standard of care radiotherapy combined with NBTXR3 while the other 50% will receive radiotherapy in combination with cetuximab. The expected total number of patients to participate in this global clinical trial is approximately 600, and an efficacy interim analysis is planned.

Notably, the US FDA has not objected to the use of the data from the dose-escalation phase of the Company’s European Phase I clinical trial in elderly and frail patients with locally advanced Head and Neck cancers as well as the Company’s current CMC (chemical, manufacturing and control) development plan.

The Company plans to initiate its global clinical trial authorization process with US FDA in 2H2019.-Ends

About NBTXR3

NBTXR3 is a first-in-class product candidate designed to destroy tumors and metastasis when activated by radiotherapy. NBTXR3 has a high degree of biocompatibility and requires one single administration before the whole radiotherapy treatment. Nanobiotix believes NBTXR3 has the ability to fit into current worldwide standards of radiation care. Nanobiotix’s broad clinical program includes 7 clinical trials. In June 2018, Nanobiotix established human proof of concept for this first-in-class product candidate in its Soft Tissue Sarcoma (STS) Phase III clinical trial. 2 NBTXR3 is actively being studied in head and neck cancer with locally advanced squamous cell carcinoma of the oral cavity or oropharynx in elderly and frail patients who are unable to receive chemotherapy or cetuximab and have very limited therapeutic options. Promising results from these clinical studies have been observed from the ongoing Phase I/II trial regarding the local control of tumors. Nanobiotix is also running an Immuno-Oncology development program. In the United States, Nanobiotix has received approval from the US FDA to launch a clinical study of NBTXR3 activated by radiotherapy in combination with anti-PD1 antibodies in lung, and head and neck cancer patients (head and neck squamous cell carcinoma and non-small cell lung cancer). The other ongoing NBTXR3 trials are treating patients with liver cancers (hepatocellular carcinoma and liver metastasis), locally advanced or unresectable rectal cancer in combination with chemotherapy, head and neck cancer in combination with concurrent chemotherapy, and prostate adenocarcinoma. The first market authorization process (CE Marking) is ongoing in Europe in the STS indication.

Abcuro Announces Pre-Clinical Data on New Immuno-Oncology Target

On March 26, 2019 Abcuro, Inc., a biopharmaceutical company developing first-in-class immunomodulatory therapeutics, reported the publication of proof-of-concept data describing KLRG1 as a promising new target for cancer immunotherapy (Press release, Abcuro, MAR 26, 2019, View Source [SID1234534646]). The article, published in Oncotarget ( link ), reports the anticancer activity of KLRG1 antibody blockade in syngeneic mouse models of breast cancer, colon cancer and melanoma. The study also highlights the expression of KLRG1 in human tumor infiltrating lymphocytes (TILs) and its role in adaptive resistance to immunotherapies.

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KLRG1 was identified as a critical immune inhibitory receptor by datamining expression profile databases with the aim of finding immune checkpoint receptors that align with the state of T cell differentiation. This analysis showed that KLRG1 is, genome wide, the immune inhibitory receptor that best aligns with degree of T cell differentiation. Compared to other clinical targets that are active in early and intermediate stages of T cell differentiation (such as CTLA-4 and PD-1), KLRG1 functions as the ultimate break on the most differentiated and cytotoxic T cells. Furthermore, KLRG1 expression on a differentiated subset of T cells and the high cytotoxic potential of these cells strongly suggests a beneficial therapeutic combination with existing treatments.

The results presented in the publication show in vivo proof-of-concept for the anti-cancer action resulting from KLRG1 blockade in mouse syngeneic models and highlight KLRG1 as an important driver of adaptive resistance to immunotherapy in humans. Abcuro has discovered KLRG1 blocking antibodies and is developing first-in-class new immunotherapy agents for treatment of cancer.

Curis Reports Fourth Quarter and Year-End 2018 Financial Results

On March 26, 2019 Curis, Inc. (NASDAQ: CRIS), a biotechnology company focused on the development of innovative therapeutics for the treatment of cancer, reported its financial results for the fourth quarter and year ended December 31, 2018 (Press release, Curis, MAR 26, 2019, View Source [SID1234534631]).

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"2018 was a pivotal year for Curis as we transitioned from a company broadly engaged in discovery research and pipeline expansion into a company singularly focused on clinical execution," said James Dentzer, President and Chief Executive Officer of Curis. "We now have three novel programs in the clinic, all potential blockbusters and all with significant data catalysts expected in 2019."

Dentzer continued, "With our recently announced agreement with Oberland Capital, we secured the financial flexibility needed to ensure we can continue to move forward aggressively in our clinical execution on all three programs and produce the data readouts everyone is so excited to see.

"As we move through 2019, we are focused on the development of first-in-class and best-in-class precision medicines that we hope will transform the lives of patients," he concluded.

Full Year and Fourth Quarter 2018 Financial Results

For the year ended December 31, 2018, Curis reported a net loss of $32.6 million, or $0.98 per share on both a basic and diluted basis, as compared to a net loss of $53.3 million, or $1.79 per share on both a basic and diluted basis in 2017. For the fourth quarter of 2018, Curis reported a net loss of $5.9 million or $0.18 per share on both a basic and diluted basis, as compared to a net loss of $8.0 million, or $0.24 per share on both a basic and diluted basis for the same period in 2017.

Revenues for the year ended December 31, 2018, were $10.4 million as compared to $9.9 million for the same period in 2017. Revenues for both periods comprise primarily royalty revenues recorded on Genentech and Roche’s net sales of Erivedge. Revenues for the fourth quarters of 2018 and 2017 were $2.8 million and $3.3 million, respectively.

Operating expenses for the year ended December 31, 2018 were $39.8 million as compared to $59.7 million for the same period in 2017. Operating expenses for the fourth quarter of 2018 were $7.9 million, as compared to $10.4 million for the same period in 2017, and comprised the following:

Costs of Royalty Revenues. Costs of royalty revenues, primarily amounts due to third-party university patent licensors in connection with Genentech and Roche’s Erivedge net sales, were $0.6 million for the year ended December 31, 2018 as compared to $0.5 million for the same period in 2017. Cost of royalty revenues were $0.1 million for the fourth quarter of 2018, as compared to $0.2 million for the same period in 2017.

Research and Development Expenses. Research and development expenses were $24.4 million for the year ended December 31, 2018, as compared to $45.1 million for the same period in 2017. The decrease was primarily due to aggregate payments to Aurigene of $7.5 million, for an exclusivity option that was paid in 2017 as well as decreased costs related to ongoing clinical activities for CA-170. These costs included decreased clinical site, patient, clinical research organization, formulation and manufacturing and consulting costs for our ongoing Phase 1 clinical trial. Employee-related expenses decreased over the prior year period primarily due to a reduction in headcount that occurred in the fourth quarter of 2018. Research and development expenses were $4.7 million for the fourth quarter of 2018 as compared to $6.9 million for the same period in 2017.

General and Administrative Expenses. General and administrative expenses were $14.8 million for the year ended December 31, 2018 as compared to $14.1 million for the same period in 2017. The increase in general and administrative expenses was driven primarily by higher legal, professional and consulting services and other administrative expenses, partially offset by lower stock-based compensation for the period. General and administrative expenses were $3.0 million for the fourth quarter of 2018, as compared to $3.3 million for the same period in prior 2017.

Other expense, net, was $3.2 million for the year ended December 31, 2018, as compared to $3.6 million for the same period in 2017. Other expense, net primarily consisted of interest expense related to the debt obligations of Curis Royalty (a wholly owned subsidiary of Curis). The decrease in interest expense in the current year was related to a lower principal balance on Curis Royalty’s outstanding debt with HealthCare Royalty, which was refinanced in the first quarter of 2017. Other expense, net was $0.8 million and $0.9 million for the fourth quarter of 2018 and 2017, respectively.

As of December 31, 2018, Curis’ cash, cash equivalents, marketable securities and investments totaled $24.3 million and there were approximately 33.2 million shares of common stock outstanding. The previously announced sale of a portion of Erivedge royalties to Oberland Capital Management will provide net proceeds of approximately $30 million before closing costs and transaction fees.

Full Year 2018 and Recent Operational Highlights

Precision oncology, fimepinostat (HDAC/PI3K inhibitor):

Curis initiated its study of fimepinostat (a MYC inhibitor) with venetoclax (a BCL-2 inhibitor) combination regimen in diffuse large B-cell lymphoma (DLBCL), including patients with Double-Hit/Double-Expressor Lymphoma. In preclinical models, fimepinostat administered in combination with venetoclax resulted in an enhanced benefit relative to each agent alone.
In December 2018 at the American Society of Hematology (ASH) (Free ASH Whitepaper)’s (ASH) (Free ASH Whitepaper) annual meeting, Curis presented a pooled analysis of patients with relapsed/refractory DLBCL treated with fimepinostat, including individuals with MYC-alterations that demonstrated the treatment’s safety and durable benefit in this patient population.
Precision oncology, CA-4948 (IRAK4 Inhibitor; Aurigene collaboration):

In 2018, Curis initiated and continued to enroll patients with relapsed or refractory non-Hodgkin lymphoma in a Phase 1 dose escalation study. CA-4948 is designed to target cancers with MYD88 mutations present in various tumor cell lines including DLBCL, Waldenström’s macroglobulinemia (WM), and acute myeloid leukemia.
In December 2018, at the ASH (Free ASH Whitepaper) annual meeting, Curis presented preclinical results showing potent anti-tumor in vivo activity for CA-4948 as a single agent as well as an enhanced effect when combined with other agents supporting the potential for IRAK4-based combination regimens.
Immuno-oncology, CA-170 (VISTA / PDL1 antagonist; Aurigene collaboration):

In November 2018, at the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper)’s Annual Meeting, Curis presented three posters providing an update to the ongoing CA-170 Phase 1 trial and preclinical support of VISTA’s role as an oncology target of interest. At the same conference, collaborator Aurigene presented a poster detailing key findings from its ongoing Phase 2 trial of CA-170 in patients with advanced solid tumors and Hodgkin lymphoma who are immunotherapy treatment-naïve.
In January 2019, Curis announced the first mesothelioma patient dosed in its ongoing Phase 1 CA-170 trial, which recently started to enroll patients with mesothelioma, following evidence supporting high levels of VISTA expression in mesothelioma tumor samples. Recent publications have identified VISTA as a possible resistance mechanism to treatment with anti-PD1 antibodies in several cancer indications.
Full Year 2018 and Recent Corporate Highlights

Curis announced a 1-for-5 reverse stock split that came into effect on May 29, 2018.
In May 2018, Curis appointed Robert Martell, M.D., Ph.D., a practicing oncologist, experienced drug developer and former CMO of Tesaro, as Head of Research and Development.
In September 2018, Curis announced the appointment of James Dentzer to the position of President and Chief Executive Officer.
In October 2018, Curis implemented a 27% reduction in headcount and a re-allocation of pre-clinical resources to strengthen focus on clinical development. The result of these changes reduced the forecasted cash burn from approximately $11 million to $8 million per quarter going forward.
In March 2019, Curis announced that it sold a portion of its Erivedge royalties to Oberland Capital for up to $135.7 million, including $65 million upfront and $70.7 million in future milestones.
2019 Data Catalysts

Curis expects to report initial data on the combination of fimepinostat and venetoclax regimen in patients with R/R DLBCL, including patients with DH/DE Lymphoma, in the second half of 2019.
Curis expects to report initial efficacy data from its CA-4948 dose escalation study in patients with D/DE DLBCL in mid-year 2019.
Curis expects to report initial efficacy data from its CA-170 Phase 1 trial in patients with mesothelioma (high VISTA expressors) in the second half of 2019.
Conference Call Information

Curis management will host a conference call today, March 26, 2019, at 4:30 p.m. ET, to discuss these financial results, as well as provide a corporate update.

To access the live conference call, please dial 1-888-346-6389 (from the United States) or 1-412-317-5252 from other locations, shortly before 4:30 p.m. ET. The conference call can also be accessed in the Investors section on the Curis website at www.curis.com.

Moleculin Announces Proposed Underwritten Public Offering

On March 26, 2019 Moleculin Biotech, Inc., (Nasdaq: MBRX) ("Moleculin" or the "Company"), a clinical stage pharmaceutical company with a broad portfolio of drug candidates targeting highly resistant tumors, reported that it intends to offer and sell units consisting of shares of common stock and warrants in an underwritten public offering (Press release, Moleculin, MAR 26, 2019, View Source [SID1234534647]). All units in the offering will be sold by Moleculin. The proposed offering is subject to market and other conditions. There can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

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Oppenheimer & Co. Inc. is acting as the sole book-running manager for the proposed offering.

The Company intends to use the net proceeds of the offering to fund its planned clinical trials, preclinical programs, for other research and development activities and for general corporate purposes.

The securities described above are being offered by the Company pursuant to a shelf registration statement on Form S-3 (No. 333-219434) previously filed with and declared effective by the Securities and Exchange Commission (SEC). A preliminary prospectus supplement and the accompanying prospectus relating to and describing the terms of the offering will be filed with the SEC and will be available on the SEC’s website at View Source Copies of the preliminary prospectus supplement and the accompanying prospectus may be obtained, when available, from Oppenheimer & Co. Inc., Attention: Syndicate Prospectus Department, 85 Broad Street, 26th Floor, New York, New York 10004, by telephone at (212) 667-8055, or by email at [email protected]. The final terms of the offering will be disclosed in a final prospectus supplement to be filed with the SEC.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.