On September 30, 2018 Tocagen Inc. (Nasdaq: TOCA), a clinical-stage, cancer-selective gene therapy company, today is presenting data describing the tumor microenvironment and immunogenicity of Toca 511 (vocimagene amiretrorepvec) & Toca FC (flucytosine, extended-release) in patients with solid tumor malignancies at the International Cancer Immunotherapy Conference (CIMT) (Free CIMT Whitepaper) hosted by The Cancer Research Institute (CRI), the Association for Cancer Immunotherapy (CIMT) (Free CIMT Whitepaper), the European Academy of Tumor Immunology (EATI), and the American Association for Cancer Research (AACR) (Free AACR Whitepaper) in New York City (Press release, Tocagen, SEP 30, 2018, View Source;p=RssLanding&cat=news&id=2369481 [SID1234529699]). The lead author is Jaime Merchan, M.D., director, Phase 1 clinical trials program at Sylvester Comprehensive Cancer Center; associate professor of medicine at the University of Miami Miller School of Medicine.

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The poster describes data available as of August 31st for 20 patients with advanced solid tumors, including colorectal, sarcoma, pancreas and non-small cell lung cancer, treated with intravenous Toca 511 followed by oral Toca FC in the Phase 1b Toca 6 clinical trial. Among these patients, 15 also received Toca 511 via intratumoral administration.

In this preliminary analysis of immune activation in patients with advanced solid tumors, analysis of peripheral blood shows immune cell modulation that is consistent with what has been observed in preclinical studies and in patients with recurrent high grade glioma treated with Toca 511 & Toca FC in previous clinical trials. In addition, available tumor samples from three patients show Toca 511 infected both "hot" (T cells present) and "cold" (T cells low or absent) areas of metastatic tumor, suggesting Toca 511 can penetrate multiple tumor microenvironments. Toca 511 & Toca FC treatment was well tolerated.

"The encouraging preliminary immune activity data from the Toca 6 trial continue to support the proposed mechanism of action for Toca 511 & Toca FC and its potentbiial in the treatment of multiple cancers," said Asha Das, M.D., chief medical officer of Tocagen. "We look forward to advancing expansion opportunities for our lead product in patients with solid tumors."

CRI-CIMT-EATI-AACR Abstract/Poster Number: A018
Abstract Title: Effects of Toca 511 & Toca FC on tumor microenvironment and peripheral blood populations in patients with advanced malignancies
Date: Sunday, September 30, 2018
Time: 11:45 a.m. – 2:15 p.m. ET
The poster is available on Tocagen’s website.

About Toca 6
Toca 6 is a multi-center, open-label Phase 1b study evaluating Toca 511 & Toca FC in patients with advanced solid tumors. The study will evaluate the safety and presence of Toca 511 genes in tumors of patients with widely disseminated disease, immunologic activity in blood and tumor, and clinical activity such as tumor response and clinical benefit. More information can be found at www.tocagen.com/toca6 or by searching clinicaltrials.gov using the clinical trial identifier NCT02576665.

About Toca 511 & Toca FC
Tocagen’s lead product candidate is a two-part cancer-selective immunotherapy comprising an investigational biologic, Toca 511, and an investigational small molecule, Toca FC. Toca 511 is a retroviral replicating vector (RRV) that selectively infects cancer cells and delivers a gene for the enzyme, cytosine deaminase (CD). Through this targeted delivery, only infected cancer cells carry the CD gene and produce CD. Toca FC is an orally administered prodrug, 5-fluorocytosine (5-FC), which is converted into an anti-cancer drug, 5-fluorouracil (5-FU), when it encounters CD. 5-FU kills cancer cells and immune-suppressive myeloid cells resulting in anti-cancer immune activation and subsequent tumor killing.

On October 29, 2018 Euronext Paris: FR0010331421 – IPH), reported new data from the Phase I clinical trial of IPH4102 in patients with relapsed/refractory cutaneous T-cell lymphomas (CTCL) (Press release, Innate Pharma, SEP 29, 2018, View Source [SID1234530303]). The data, including longer follow up for patients treated in the dose-escalation and observations from an additional patient cohort, will be presented today at the EORTC Cutaneous Lymphoma Group meeting in St. Gallen, Switzerland, by Pr Martine Bagot, Principal Investigator and Head of the Dermatology Department at the Saint-Louis Hospital, Paris. IPH4102 is Innate Pharma’s wholly-owned first-in-class anti-KIR3DL2 antibody, designed for treatment of T-cell lymphoma.

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"These data support the positive trends observed in the dose-escalation part of the trial and demonstrated a high response rate and long progression-free survival for these heavily pretreated CTCL patients, a majority being Sézary syndrome," commented Pierre Dodion, Chief Medical Officer of Innate Pharma. "Additionally, these data will serve as a basis for the initiation of a broader Phase II clinical program in Sézary syndrome and other subtypes of T-cell lymphomas. We look forward to providing more insight into the data and subsequent clinical development plans in the near future."

As of June 28, 2018, a total of 44 patients with relapsed/refractory CTCL were evaluable for safety and clinical activity. The study consisted of two parts: a dose-escalation (n=25) and a cohort expansion (n=19). Patients received a median of 3 prior systemic therapies. IPH4102 demonstrated a favorable safety profile and was well-tolerated. The study showed clinical activity that was demonstrated by a high response rate and long progression free survival.

In the total study population, the objective response rate (ORR) was 36% and median duration of response (DOR) and progression free survival (PFS) were 13.8 and 8.2 months, respectively. Sézary syndrome (SS) subset patients treated in the dose-escalation part (n=20) now show median PFS of close to 1 year. At the cut-off date of June 28, 2018, median follow-up was 12.7 months and nine patients were still ongoing treatment.

Better outcomes were observed in patients without evidence of histologic large cell transformation (LCT) (n=29); these patients achieved an ORR of 51.7% and PFS of 12.8 months. LCT is present in approximatively 10% of all Mycosis fungoides/Sézary syndrome patients* and is associated with poorer prognosis and shorter survival using currently available therapies.

"This patient population remains a high unmet medical need as they continue to progress through several lines of treatments," commented Pr Martine Bagot, Principal Investigator. "The patients with complete response, partial response and even those with stable disease showed an improvement in quality of life parameters overtime including pruritus. IPH4102’s encouraging clinical activity provides substantial support to explore its potential therapeutic benefits not only in SS patients but also in other T cell lymphoma patient populations. Together with a favorable safety profile, IPH4102 could emerge as a key therapeutic option in aggressive T-cell lymphomas."

On September 28, 2018 Oncolytics Biotech Inc. (NASDAQ: ONCY), (TSX: ONC), currently developing pelareorep, an intravenously delivered immuno-oncolytic virus turning cold tumors hot, reported the execution of a Common Stock Purchase Agreement ("Agreement") for up to US$26.0 million with Lincoln Park Capital Fund, LLC ("LPC"), an institutional investor (Press release, Oncolytics Biotech, SEP 28, 2018, View Source [SID1234532280]).

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Upon signing of the Agreement, dated September 27, 2018, LPC initially purchased 248,762 shares for $1,000,000, representing a purchase price of approximately $4.02 per share. Thereafter and subject to the terms and conditions of the Agreement, Oncolytics has the right to sell and LPC is obligated to purchase, up to $25 million worth of common stock over a 30-month period at prices that are based on the market price at the time of each sale to LPC. Oncolytics, in its sole discretion, controls the timing and amount of all sales of common stock and there are no warrants, derivatives, or other share classes associated with this Agreement.

"We are pleased to enter this agreement with Lincoln Park Capital, an existing investor, which provides Oncolytics with additional access to capital and financial flexibility, if needed, as we conduct our clinical programs and approach multiple milestones over the next twelve to eighteen months," said Kirk Look, CFO at Oncolytics Biotech. "Importantly, this facility is completely at our discretion and supports our strategy in negotiating future collaborations and, or, a potential partnership."

Oncolytics has the right to terminate the Agreement at any time, at no cost or penalty. Additionally, LPC has covenanted not to cause or engage in any manner whatsoever, any direct or indirect short selling or hedging of the Company’s common stock. As consideration for LPC’s obligation under this Agreement, Oncolytics has and may issue additional shares as a commitment fee. Proceeds are intended to be used for general corporate purposes and working capital requirements.

The Company has filed a prospectus supplement, dated September 28, 2018, with respect to its U.S. registration statement on Form F-10 (333-224432) (the "Registration Statement") and Canadian final base shelf prospectus (the "Base Shelf Prospectus"), each dated May 4, 2018, pursuant to which the Company may issue up to US$26,910,000 of common shares pursuant to the terms of the Agreement (representing an aggregate market value of not more than 10% of the market value of the Company’s outstanding common shares based on the determination date under applicable securities laws). Pursuant to the Agreement, the Company may file additional prospectus supplements in the United States and in Canada in the future to qualify the sale of additional common shares to LPC that would result in aggregate gross proceeds to the Company of up to US$26,000,000. No offers or sales of any common shares will be made in Canada or on the Toronto Stock Exchange pursuant to the Agreement or the prospectus supplement. Electronic copies of the prospectus supplement and accompanying prospectus are available on the SEC’s website at View Source or by contacting the Company’s Investor Relations Department at (403) 670-7377.

The common shares to be issued in the Financing have been approved for listing on the NASDAQ and on the Toronto Stock Exchange.

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

On September 28, 2018 Tusk Therapeutics Ltd ("Tusk") reported that acquired by Roche (Press release, Tusk Therapeutics, SEP 28, 2018, View Source [SID1234533243]). Tusk has developed an antibody with a novel mode of action aimed at depleting regulatory T-cells (Tregs). Tregs suppress immune responses, including those against cancer cells. Preclinical data has shown that depleting Tregs from the tumor microenvironment can enhance and/or restore anti-tumor immunity. Tusk’s antibody has been designed to deplete these harmful Tregs, while not interfering with other immune cells acting against the tumor. Tusk’s program is expected to start clinical trials in cancer patients towards the end of 2019.

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Tusk was founded in 2014 by Droia Oncology Ventures, Tusk’s majority shareholder. Under the terms of the agreement, Tusk’s shareholders will receive an upfront cash payment of Euro 70 million, plus additional contingent payments of up to Euro 585 million based on achievements of certain predetermined milestones.

Luc Dochez, Chief Executive Officer of Tusk Therapeutics, said: "We are delighted that Roche will further develop this novel antibody and drive the development ahead. The remaining portfolio of our immune-oncology targets will be further developed by Black Belt Therapeutics, a newly formed company spun out of Tusk Therapeutics."

On September 28, 2018 Trillium Therapeutics Inc. (NASDAQ/TSX: TRIL), a clinical stage immuno-oncology company developing innovative therapies for the treatment of cancer, reported that it will be providing updates on its two clinical trials with TTI-621, a dual function SIRPaFc IgG1 decoy receptor that targets CD47, at two upcoming scientific conferences (Press release, Trillium Therapeutics, SEP 28, 2018, View Source [SID1234529681]). As previously announced, the presentations will be made on September 28 at the European Organisation for Research and Treatment of Cancer, Cutaneous Lymphoma Task Force (EORTC CLTF) meeting in St. Gallen, Switzerland and the 16th Annual Discovery on Target conference in Boston, MA. The presentations will be available on the Company’s website after the presentations have been delivered.

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The presentation at the EORTC CLTF meeting will provide an update on the safety and efficacy of the ongoing multicenter, open-label phase 1 intratumoral trial of TTI-621 in 23 patients with relapsed/refractory mycosis fungoides/Sézary syndrome, 20 of whom only received induction therapy consisting of 1-6 injections over 2 weeks. Local delivery of TTI-621 was well tolerated, with no treatment-related > Grade 3 adverse events or dose-limiting toxicity observed. Reductions in CAILS scores, which measure local lesion responses, were observed in 89% of patients, with 42% exhibiting reductions of 50% or greater. These responses occurred rapidly within the 2- week induction period. Similar

CAILS scores changes were seen in adjacent non-injected lesions, suggesting locoregional effects that were not confined to the site of injection. Evidence of a systemic (abscopal) effect was observed in 1 of 2 patients receiving continuation monotherapy beyond the 2-week induction therapy. In addition, data suggest a combination effect with pegylated IFN-alpha-2a.

"These data expand on the observations first presented at ASH (Free ASH Whitepaper) 2017, and highlight the potential value of localized delivery of TTI-621 in heavily pre-treated mycosis fungoides/ Sézary syndrome patients," said Dr. Yaping Shou, Trillium’s Chief Medical Officer. "We are particularly encouraged to see reductions in CAILS scores after such a short course of therapy, and the abscopal effect seen in one of the two patients receiving continuation treatment suggest that a longer duration of dosing may offer further opportunity to induce systemic responses."

"The ability to induce rapid anti-tumor responses through local administration with our potent IgG1-containing Fc fusion protein opens up numerous possibilities, not only in mycosis fungoides but also in many solid tumors. As is the case with other agents targeting the innate immune system, such as STING and TLR agonists, local administration is the route of choice to ensure instant high local drug concentrations at the site of the tumor," said Dr. Niclas Stiernholm, Trillium’s President and Chief Executive Officer. "We intend to expand the intratumoral program both with respect to additional indications and combination therapies with complementary immunostimulatory therapies, especially those acting downstream of CD47."

The presentation at the Discovery on Target conference will provide a high level update of the safety and efficacy of the ongoing multicenter, open-label phase 1a/b intravenous trial of TTI-621 in patients with relapsed/refractory hematologic malignancies. Based on an expanded data set of 163 patients, weekly infusions of TTI-621 were shown to be well tolerated. Thrombocytopenia was the most frequent grade 3 or higher treatment-emergent adverse event, occurring in 20% of patients. Platelet reductions, however, were shown to be transient and pre-dose platelet levels remained steady during the course of the study. Notably, the reversible thrombocytopenia did not lead to an increased risk of bleeding and had no impact on drug delivery, nor was there a significant impact of TTI-621 on hemoglobin levels. Monotherapy efficacy was observed in patients with mycosis fungoides (19% ORR, n=21), peripheral T-cell lymphoma, or PTCL (25% ORR, n=12), and diffuse large B-cell lymphoma, or DLBCL (25% ORR, n=8), and in DLBCL patients when combined with rituximab (25% ORR, n=24). This clinical activity was observed in patients receiving relatively low doses of drug (0.2 mg/kg for monotherapy or 0.1 mg/kg in combination with rituximab). Dose intensification beyond 0.2 mg/kg is currently ongoing, and doses of 0.5 mg/kg have been well tolerated for up to 27 weeks.

"These data reinforce our prior observations that thrombocytopenia, which we believe to be an on-target pharmacodynamic effect, does not appear to be clinically consequential. Based on the data in hand, the transient decrease in platelets is not associated with bleeding events or premature treatment discontinuations, and has not impacted our ability to dose intensify patients beyond 0.2 mg/kg," commented Dr. Shou. "The monotherapy

anti-tumor activity we have observed in multiple disease indications is particularly intriguing given that patients have received relatively low doses of drug. Characterizing the efficacy of TTI-621 at higher doses, which is currently ongoing, remains a top priority in the intravenous trial."

"Having concluded this exploratory phase in a wide variety of hematologic malignancies and having gained increased clarity with respect to potential registration paths, we plan to move forward with three distinct clinical programs: intratumoral mono- and combination-therapy in CTCL, intravenous monotherapy in both CTCL and PTCL, as well as intravenous combination therapy in DLBCL," said Dr. Stiernholm. "While we are gratified to have observed meaningful clinical responses with monotherapy at low doses, we are equally excited about how well tolerated TTI-621 appears to be, allowing us to incorporate dose intensification as a major component of our clinical efforts moving forward."