On August 19, 2018 Harbour BioMed reported it has entered into an exclusive strategic partnership with Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (Kelun-Biotech) to develop and commercialize A167, an anti-PD-L1 antibody in Phase 2 clinical development, worldwide outside of the Greater China region (Press release, Harbour BioMed, AUG 19, 2018, View Source [SID1234528980]). The companies will also collaborate in developing combination therapies of A167 with other agents for commercialization in their respective territories. The potential value of the partnership exceeds $350 million in addition to royalties.

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"Anti-PD-L1 therapy has been validated in many clinical trials in the Immuno-Oncology area. A167 has significant potential as a single agent and as the foundation for combination therapy with other innovative drugs. We are delighted to advance A167 globally and work closely with Kelun-Biotech to achieve its therapeutic potential," said Dr. Jingsong Wang, Harbour BioMed’s founder, Chairman and Chief Executive Officer. "We plan to conduct A167-based combination trials globally by ourselves, including with innovative compounds we are developing, or in collaboration with our partners, to find better therapeutic options against a wide range of tumor types." Dr. Wang noted that the partnership with Kelun-Biotech, Harbour’s first global development alliance, is an important step that accelerates our plan to build a highly innovative, clinical-stage portfolio for worldwide markets.

"A167 is one of the important compounds in our portfolio," said Dr. Tongtong Xue, Chief Executive Officer of Kelun-Biotech. "We are glad to enter this collaboration with Harbour BioMed which is based on trust in our partner’s capabilities and expertise. The Harbour team brings extensive global clinical development experience that will accelerate clinical trials with A167, especially in the area of combinational therapies." Dr. Xue noted that the collaboration is the second alliance Kelun-Biotech entered with Harbour this year. "We entered a strategic partnership with Harbour to co-discover, co-develop and commercialize antibodies against innovative targets, based on Harbour’s leading fully human antibody discovery platforms. We have made significant progress in our joint discovery programs against multiple targets in oncology and immunological diseases."

A167 is an immune-oncology investigational antibody developed by Kelun-Biotech. It binds to immune checkpoint protein PD-L1 and reactivate T cells in the body against cancer cells. The antibody has potential usage in a broad range of solid tumor and hematological malignancies in monotherapy and in combination with other agents. A167 is currently in multiple Phase 1 and Phase 2 clinical trials in China targeting lymphoma and solid tumors.

Under the agreement, Kelun-Biotech will receive upfront, development and regulatory milestones, and commercial milestones based on preset goals, with a potential value of more than $350 million, in addition to royalties based on annual net sales. Harbour will have exclusive rights to develop, manufacture and commercialize A167 in regions outside of Greater China. Both companies will share data generated from their own research and clinical trials to support mono and combination therapies of A167 with other agents for both parties’ development and registration.

On August 19, 2018 Lion TCR Pte. Ltd., a Singapore-based Biotech company reported that it has receives approval from Health Sciences Authority (HSA), Singapore, for its Phase I/II multicentre clinical study of its product candidate (LioCyx) for treatment of relapsed liver cancer post-liver transplantation (Press release, Lion TCR, AUG 19, 2018, View Source [SID1234528981]). The first such trial in Singapore and for the region that uses precision T cell receptor (TCR) immune cell therapy to target Hepatitis B virus (HBV)-related liver cancer, which forms at least 80% of liver cancers in Asia. 80% of the 800,000 new liver cancer cases in the world yearly are diagnosed in Asia Pacific, including China, Vietnam, Thailand, Indonesia, South Korea and Singapore. Liver cancer is the world’s third most deadly cancer with very limited treatment options and poor treatment outcome. There is currently no effective treatment available for liver cancer relapsed patients post-liver transplantation.

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LioCyx is developed by Lion TCR’s scientific founder, Prof. Antonio Bertoletti, a world-renowned HBV-liver cancer clinician scientist. Several Investigator-sponsored trials of LioCyx in Singapore and China have showed results of good safety profile and encouraging signs of efficacy. "We are very delighted with the approval of Phase I/II clinical trial of our LioCyx, the first engineered TCR-T cell therapy for treatment of liver cancer in Singapore. It is an utmost encouragement on the recognition of innovative therapy for patients in need. Singapore HSA has been very efficient, transparent and professional in reviewing our application for the clinical trial of this innovative immunotherapy", said Dr. Victor Li Lietao, founder and CEO of Lion TCR.

Patients recruitment for the Phase I/II clinical trial will begin with National University Hospital (NUH), Singapore. Lion TCR is in the midst of including more medical centres in Singapore and China into the trial.

On August 17, 2018 Akari Therapeutics, Plc (NASDAQ:AKTX), a biopharmaceutical company focused on the development and commercialization of innovative therapeutics to treat orphan autoimmune and inflammatory diseases, reported its financial results for the first quarter ended March 31, 2018 and highlights its pipeline of Phase II and Phase III clinical trials (Press release, Akari Therapeutics, AUG 17, 2018, View Source [SID1234529061]).

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"We are excited by the range of clinical opportunities that we are currently exploring. We look forward to providing initial clinical data from these trials starting in the fourth quarter of 2018," commented Clive Richardson, acting Chief Executive Officer of Akari Therapeutics. "Akari does not intend to develop all of these programs through to commercialization on its own but rather, intends to partner one or more of its programs. To that end, a robust business development program has been in progress since early 2018 led by Mike Grissinger, an Akari non-executive director and pharmaceutical industry veteran who spent 22 years at Johnson & Johnson in business development leadership roles."

Clinical Development Programs Highlights

Akari’s clinical program is divided into two separate workstreams targeting two different sets of clinical conditions. One group of diseases is where the combined inhibition of the complement and leukotriene pathways provides a potential new treatment solution for a wide range of currently poorly treated orphan inflammatory conditions. The second group of diseases are those where complement dysregulation is the primary driver.

Dual C5 and Leukotriene B4 Program

The increasing recognition that LTB4 may combine with complement dysregulation in the etiology of many autoimmune and autoinflammatory conditions has focused Akari’s clinical development on a number of poorly treated conditions where Coversin’s dual C5 and LTB4 binding provides a potential novel therapeutic solution. These programs include bullous pemphigoid (BP), an inflammatory skin disease in which current treatment is limited to steroids, and immunosuppressants and atopic keratoconjunctivitis (AKC), an eye surface inflammatory disease which can lead to permanent vision loss and for which there are few effective treatment options. Both are rare conditions for which Akari is seeking orphan designation.

Complement Program

Patient treatment in CAPSTONE, the Phase III trial in naïve PNH patients, has commenced. We anticipate introducing a new pen injector in 2019 to facilitate patient use which will accommodate a week’s supply of medication. Within the program to treat patients with a polymorphism that makes them resistant to treatment with Soliris, Akari recently began treating a second PNH patient under an investigational new drug application (IND) in the U.S. This patient has responded well (LDH <1.5xULN at day 28). In all, three Soliris resistant patients have now been treated with Coversin; two with PNH and a third with a thrombotic microangiopathy (TMA). All PNH patients remaining on treatment have the option of entering into the Akari long term safety program. Nine PNH patients have been treated in aggregate for over 11 patient years with no drug related SAEs to date.

Akari has also opened a clinical program targeting thrombotic microangiopathies (TMA) including atypical haemolytic syndrome (aHUS). We expect to provide an update on Akari’s TMA program in Q4 2018.

First Quarter 2018 Financial Results

As of March 31, 2018, the Company had cash of $23.8 million, as compared to cash of $28.1 million as of December 31, 2017.
Operating expenses, which include research and development (R&D) expenses and general and administrative (G&A) expenses, were $4.3 million in the first quarter of 2018, as compared to $8.3 million in the same quarter the prior year.
R&D expenses in the first quarter of 2018 were $1.0 million, as compared to $6.0 million in the same quarter the prior year. The decrease was due primarily to an R&D tax credit of approximately $3.8 million received in the first quarter of 2018 and lower manufacturing costs of $1.4 million associated with Coversin clinical trial material, offset by an increase in clinical trial expenses.
G&A expenses in the first quarter of 2018 were $3.3 million, as compared to $2.3 million in the same quarter last year. This increase was due primarily to higher legal, accounting and other professional service fees.
Total other income for the first quarter of 2018 was $3.0 million, as compared to total other expense of $4.3 million in the first quarter of 2017. This change was primarily attributed to $2.9 million of other income in the first quarter of 2018 compared to $4.3 million of other expense in the same period in 2017 related in both instances to the change in fair value of the stock option and warrant liabilities.
Net loss for the first quarter of 2018 was $1.3 million, compared to a net loss of $12.6 million for the same period in 2017. This year over year decrease in net loss was due primarily to lower R&D expenses in the first quarter of 2018 when compared to the same period in 2017.

On August 17, 2018 Endocyte, Inc. (Nasdaq:ECYT), a biopharmaceutical company developing targeted therapeutics for personalized cancer treatment, reported that two posters will be presented by Endocyte scientists at the ACS National Meeting & Exposition being held in Boston, MA from Aug. 19 – 23, 2018 (Press release, Endocyte, AUG 17, 2018, View Source [SID1234528962]).

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Presentations are as follows:

Abstract # MEDI 425
Title: Pro-Pyrrolobenzodiazepine (pro-PBD) bioconjugates, part 3: Design and synthesis of pro-PBD conjugates containing a self-immolative substituted disulfide linkers
When: August 22, 2018, from 7:00 pm to 9:00 pm
Session ID: General Poster Session
Location: Galleria, Westin Boston Waterfront

Abstract # MEDI 426
Title: Pro-Pyrrolobenzodiazepine (pro-PBD) bioconjugates, part 4: Design of novel oxime-based pro-PBD conjugates that release active drug via intramolecular diazepine-ring-closure
When: August 22, 2018, from 7:00 pm to 9:00 pm.
Session ID: General Poster Session
Location: Galleria, Westin Boston Waterfront

Website Information

Endocyte routinely posts important information for investors on its website, www.endocyte.com, in the "Investors & News" section. Endocyte uses this website as a means of disclosing material information in compliance with its disclosure obligations under Regulation FD. Accordingly, investors should monitor the "Investors & News" section of Endocyte’s website, in addition to following its press releases, SEC filings, public conference calls, presentations and webcasts. The information contained on, or that may be accessed through, Endocyte’s website is not incorporated by reference into, and is not a part of, this document.

On August 17, 2018 Mateon Therapeutics, Inc. (OTCQB:MATN), a biopharmaceutical company developing investigational drugs for the treatment of orphan oncology indications, reported that the U.S. Food and Drug Administration (FDA) placed a partial clinical hold on Study OX1222 during a telephone conversation held with the Company on August 16, 2018 (Press release, Mateon Therapeutics, AUG 17, 2018, View Source [SID1234528963]). OX1222 is the Company’s clinical trial of OXi4503 in combination with cytarabine for the treatment of relapsed/refractory acute myeloid leukemia and myelodysplastic syndromes. The partial clinical hold applies to the 12.2 mg/m2 dose of OXi4503. The FDA is allowing the study to continue to treat and enroll patients using a dose of 9.76 mg/m2 of OXi4503, which the Company previously tested in cohort 5 of Study OX1222.

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The partial clinical hold follows two potential dose-limiting toxicities (DLTs) observed at the 12.2 mg/m2 dose level that was being evaluated in cohort 6 of Study OX1222. These DLTs consist of one patient experiencing hypotension shortly following initial treatment with OXi4503, and another patient experiencing acute hypoxic respiratory failure approximately two weeks after receiving OXi4503 and cytarabine. Both events were deemed "possibly-related" to OXi4503, and both patients recovered following treatment. The protocol for Study OX1222 generally defines a DLT as any grade 3 serious adverse event (SAE) where a relationship to OXi4503 cannot be ruled out. The FDA has indicated that additional data on patients receiving 9.76 mg/m2 of OXi4503 must be evaluated before the Company resumes dosing at 12.2 mg/m2.

"Although it is disappointing that we are not currently continuing with the higher dose of OXi4503, we look forward to gathering more safety and efficacy data at the previous dose level, where we observed two complete remissions in the four patients that we treated," said William D. Schwieterman, M.D., Chief Executive Officer of Mateon.