On October 28, 2020 NRG Oncology reported A genetic analysis of non-small cell lung cancer (NSCLC) patients on the phase III RTOG 0617 clinical trial assessing radiation dose discovered that high dose radiation therapy is associated with shorter survival times among patients with a radiation-sensitive genotype in DNA repair pathway (Press release, NRG Oncology, OCT 28, 2020, View Source [SID1234569285]). These findings were presented at the virtual edition of the American Society for Radiation Oncology’s (ASTRO) Annual Meeting in October 2020.

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The NRG-RTOG 0617 analysis reviewed blood and DNA samples from the 321 eligible patients who participated in the study. The primary focus was to externally validate blood cell ERCC1 and ERCC2 genetic signatures as a radiosensitivity biomarker for tumor and normal tissues. Previous findings in stage I and IV NSCLC patients indicate that high dose radiotherapy typically leads to improved survival, better tumor control, and better survival in inoperable NSCLC.

"Single nucleotide polymorphisms (SNPs) signature in DNA repair pathway and its interaction with radiation dose could provide personalized radiation prescriptions to patients depending on their genotypic signature, and this could improve survival outcomes," stated Feng-Ming (Spring) Kong, MD, PhD, FACR, FASTRO of the Clinical Oncology Center, the University of Hong Kong – Shenzhen Hospital; and Li Ka Shing Faculty of Medicine, The University of Hong Kong; Department of Radiation Oncology, Case Western Reserve University, and the lead author of the NRG-RTOG 0617 abstract. "Previously, the data that indicated the potential for ERCC1 and ERCC2 genes to be biomarkers for normal and tumor tissue in NSCLC patients had only been performed in single institution trials. It was imperative to validate these findings in a multi-institutional clinical setting."

Patients who participated on the initial NRG-RTOG 0617 trial were randomly assigned to receive either standard radiation (RT) dose (60 Gy) or high RT dose (74 Gy). Among the 321 eligible patients, 275 patients had both ERCC1 and ERCC2 SPNs signatures conducted. The median follow up time for the trial was 68 months. Of the 163 patients assigned to 60 Gy arm, 67 patients carried the resistant genotype signature and had a median survival time (MST) of 22 months compared to the radio-sensitive genotype’s MST of 31 months (P=0.076, HR= 1.4 [95%CI: 0.96-2.01]). There were 112 patients assigned to the 74 Gy arm and 36 of these patients were carrying the resistant genotype signature and had a MST of 31 months (95% CI, 20-52). This was significantly better than the MST of 20 months for the sensitive signature type patients on the 74 Gy arm (p=0.025, HR= 0.59 [95% CI: 0.37-0.94]). These results confirm the hypothesis that patients with the radio-sensitive genotype have better survival with 60 Gy, whereas patients with the radiation-resistant genotype fair better in the 74 Gy arm with regard to survival. Interestingly, 63% patients from this study were classified as radiation sensitive according to this signature, and this at least partially explains the result of better survival in patients in the 60 Gy arm.

These findings could benefit from further prospective validation through a study with a larger sample size, and suggest the need of future study on personalized radiation prescription in treating patients with lung cancer.

This project was supported by grants U10CA180868 (NRG Oncology Operations), U10CA180822 (NRG Oncology SDMC), U24CA196067 (NRG Biospecimen Bank) from the National Cancer Institute (NCI), part of the National Institutes of Health, and Eli Lilly, in parts by R01CA142820 and KQTD20180411185028798.

Citation

Kong FMS, Jin JY, Hu C, Wang W, Bogart J, Garces YI, Narayan S, Robinson CG, Kavadi VS, Rothman J, Koprowski CD, Gore E, Welsh J, Gaur R, MacRae RM, Cannon G, Machtay M, Bradley JD, Lu B. (2020, October). RTOG0617 to externally validate blood cell ERCC1/2 genotypic signature as a radiosensitivity biomarker for both tumor and normal tissue for individualized dose prescription. Paper presented at the annual meeting of the American Society for Radiation Oncology. Virtual meeting platform.

On October 28, 2020 XOMA Corporation (Nasdaq: XOMA) reported NIS793, an anti-TGFb monoclonal antibody licensed from XOMA, has advanced to the Phase 2 development stage, triggering a $25 million milestone payment from Novartis (Press release, Xoma, OCT 28, 2020, View Source [SID1234569228]). The Phase 2 trial (NCT04390763) is designed to assess the efficacy and safety of NIS793 in first-line metastatic pancreatic ductal adenocarcinoma (mPDAC).

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"We applaud Novartis for initiating its first Phase 2 study with NIS793 to focus on patients who have one of the highest needs for new treatment options – pancreatic cancer. We are grateful to the patients and their families who have agreed to participate in the NIS793 clinical trials," stated Jim Neal, Chief Executive Officer of XOMA. "This milestone payment further strengthens XOMA’s financial resources as we pursue our royalty aggregation strategy and reduces our Novartis debt obligation to less than $10 million. Importantly, this marks a meaningful clinical advancement of this important asset in our overall portfolio of potential milestones and royalties."

More information about the NIS793 Phase 2 clinical study, officially titled "A Phase II, Open Label, Randomized, Parallel Arm Study of NIS793 (With and Without Spartalizumab) in Combination With SOC Chemotherapy Gemcitabine/Nab-paclitaxel, and Gemcitabine/Nab-paclitaxel Alone in First-line Metastatic Pancreatic Ductal Adenocarcinoma (mPDAC)," can be found at ClinicalTrials.gov.

As specified under the terms the agreements between XOMA and Novartis, approximately 30 percent of the NIS793 milestone will be applied as a partial payment towards XOMA’s debt obligation to Novartis, and the remaining balance will be paid in cash to XOMA.

Under the terms of the 2015 anti-TGFb development and commercialization agreement with Novartis, XOMA has the potential to earn up to $445 million in additional milestone payments. Upon receipt of regulatory approval to commercialize NIS793, XOMA will receive tiered royalties on any net product sales that range from the mid-single digits to the low double digits.

NIS793 is an investigational compound. Efficacy and safety have not been established. There is no guarantee that NIS793 will become commercially available.

On October 28, 2020 PeproMene Bio Inc. reported it has submitted an Investigational New Drug (IND) application to the U.S. Food and Drug Administration (FDA) to study a novel chimeric antigen receptor (CAR) T cell therapy, PMB-101, the first CAR T cell therapy targeting the B cell-activating factor receptor (BAFF-R) on cancerous cells, for the potential treatment of refractory or relapsed B cell acute lymphoblastic leukemia (r/r B-ALL) (Press release, PeproMene Bio, OCT 28, 2020, View Source [SID1234569274]).

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City of Hope, a world-renowned independent research and treatment center for cancer, diabetes and other life-threatening diseases, has licensed intellectual property relating to PMB-101 under a Licensing and Collaboration agreement with PeproMene. City of Hope will also conduct the proposed first in-human, Phase 1 clinical trial.

The proposed trial is a single-center, open-label trial and will examine the safety and preliminary efficacy of BAFF-R-CAR T cells in cancer patients with r/r/ B-ALL who are ineligible for or have failed CD19-targeted immunotherapy in the U.S.

PMB-101 is a novel CAR T cell therapy which has shown synergistic activity in CD-19 resistant or relapsed animal models in preclinical trials. Animal models with CD19 therapy-resistant human-tumors (including Burkitt, mantel cell, and other non-Hodgkin’s lymphoma subtypes and acute lymphoblastic leukemia) received BAFF-R CAR T therapy. Remarkable tumor regression and prolonged survival were observed after treatment with these CAR T cells. In animal models with human Burkitt lymphoma, BAFF-R CAR T therapy achieved complete tumor regression with 100% long-term survival. The research was published in Science Translational Medicine.

"City of Hope is excited to leverage the numerous and very promising pre-clinical model outcomes of our investigational CAR-T project and to explore its effect in cancer patients for whom few treatments are currently available," said Larry W. Kwak, M.D., Ph.D., vice president and deputy director of City of Hope’s comprehensive cancer center, who along with Hong Qin, Ph.D., are inventors on the licensed intellectual property and Scientific Advisory Board members of PeproMene.

Bryan HW Kim, CEO of PeproMene added: "We are very pleased to announce this important milestone after only three years of the company’s existence; we are grateful to the scientific founders for advancing our project and to our shareholders for their support. We look forward to collaborating closely with leading clinical investigators at City of Hope and the FDA to validate the safety of PMB-101 in humans in a controlled clinical setting."

About PeproMene’s PMB-101
BAFF (B cell activating factor), a soluble cytokine expressed by B cells, is known for its proliferation and differentiation. In particular, BAFF-R (B cell activating factor receptor) is an excellent potential target for B-cell cancers not only because of its specificity to BAFF, but also for its expression level by lympho-proliferative as well as leukemia-proliferative disorders. Successful discovery of anti-BAFF-R humanized monoclonal antibodies (humAbs) C55 and C90 demonstrate high binding affinity to various Non-Hodgkin’s Lymphomas (NHLs). The PeproMene BAFF-R CAR-T was constructed based on the single-chain fragment variable (scFv) antibodies using 2nd generation signaling domains. Research has found that BAFF-R CAR-T cells kill lymphomas and leukemias in vitro and kill established lymphomas as well as leukemias in vivo. During the completion of the IND enabling studies, the company’s scientific and medical founders made key publications:

"Antitumor efficacy of BAFF-R targeting CAR T cells manufactured under clinic-ready conditions" (25. May 2020: View Source

and

"CAR-T cells targeting BAFF-R can overcome antigen loss in B cell malignancies" (Sep 2019: View Source)

On October 28, 2020 M.S.Q. Ventures ("MSQ") reported that its client, BioInvent International, AB ("BioInvent"), has successfully entered into a licensing agreement with CASI Pharmaceuticals, Inc. ("CASI") for the development and commercialization of BI-1206 in the Greater China region (Press release, BioInvent, OCT 28, 2020, https://www.prnewswire.com/in/news-releases/bioinvent-completes-first-licensing-agreement-in-greater-china-advised-by-msq-ventures-887248266.html [SID1234569273]). BI-1206 is BioInvent’s proprietary clinical stage anti-FcγRllB antibody developed to treat a variety of cancers including Non-Hodgkin’s lymphoma and advanced solid tumors.

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Martin Welschof, Ph.D., CEO of BioInvent, stated, "The agreement is a further validation of BioInvent’s robust discovery platform and innovative clinical program, where we welcome new opportunities to develop therapeutics for patients in additional regions, as we did here for Greater China in partnership with CASI." Dr. Welschof said, "MSQ team has been working seamlessly as our external team focused on developing and executing China strategy and diligently helped us identify, evaluate and advise on current and future strategic opportunities to continue to expand BioInvent’s capability to deliver for cancer patients in the region. We appreciated MSQ’s help so that we can complete this transaction smoothly and expediently in mostly virtual fashion during this challenging time."

Wei-Wu He, Ph.D., Chairman and CEO of CASI, said, "Our goal at CASI is to pursue innovative drugs to complement our core pipeline and therapeutic areas. BI-1206’s potential to be used in combination with leading immunotherapy agents fits very well with our strategic thinking and is what attracted us to this opportunity. We are impressed with BioInvent team’s accomplishments to date and we look forward to greater success together."

"BioInvent’s lead asset BI-1206 is complementary to CASI’s pipeline. The two teams have a good cultural fit which is important for global clinical development and commercialization of BI-1206. Clinical development in China will accelerate BI-1206’s overall global development timeline, creating significant value," said Echo Hindle-Yang, CEO of MSQ. "We congratulate Martin, Wei-Wu and the team of BioInvent and CASI on this remarkable achievement."

On October 28, 2020 Lannett Company, Inc. (NYSE: LCI) reported that it will report financial results for its fiscal 2021 first quarter on Wednesday, November 4, 2020, after the market closes (Press release, Lannett, OCT 28, 2020, https://www.prnewswire.com/news-releases/lannett-to-report-fiscal-2021-first-quarter-financial-results-host-conference-call-on-wednesday-november-4-301161500.html [SID1234569270]). Lannett management will host a conference call that same afternoon at 4:30 p.m. Eastern Time to review the company’s performance and answer questions.

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The conference call will be available to interested parties by dialing 800-447-0521 from the U.S. or Canada, or 847-413-3238 from international locations, passcode 49992942. The call will be broadcast via the Internet at www.Lannett.com. Listeners are encouraged to visit the website at least 10 minutes prior to the start of the scheduled presentation to register, download and install any necessary audio software. A playback of the call will be archived and accessible on the same website for at least three months.