Tiziana Life Sciences (TILS.TLSA.L) Granted First-Ever Patent on a Transformational Technology

Technology for Oral Delivery of all Anti-CD3 Monoclonal Antibodies for Treatment of Human Diseases


First-ever granted patent on oral administration of anti-CD3 monoclonal antibodies for immunotherapies
Transformational oral formulation technologies applicable to other antibodies

NEW YORK and LONDON, June 19, 2020 (GLOBE NEWSWIRE) — Tiziana Life Sciences plc (Nasdaq: TLSA; AIM: TILS) (“Tiziana” or the “Company”), a biotechnology company focused on innovative therapeutics for oncology, inflammation and infectious diseases, announces that the United States Patent and Trademark Office (“USPTO”) has granted a patent covering its proprietary platform technology for the oral administration of Foralumab, its proprietary fully human monoclonal antibody, and all other anti-CD3 monoclonal antibodies (mAb). The CD3 (cluster of differentiation 3) is a protein complex on T-cells, which is important for regulation of immune system. The patent will be issued by the USPTO on 23 June 2020.

“The issuance of this first-ever patent on formulation for oral administration of mAbs is a very exciting and timely development, as it facilitates a transformational avenue for immunotherapies,” commented Dr. Howard L. Weiner, Chairman of Tiziana’s Scientific Advisory Board, Robert L. Kroc Professor of Neurology at the Harvard Medical School, Director and Founder of the Partners Multiple Sclerosis Center and Co-Director of the Ann Romney Center for Neurologic Diseases at the Brigham and Women’s Hospital.

“We also recently successfully demonstrated that nasally-administered Foralumab is not only well tolerated but also produced desirable immunological responses. In addition, both oral and nasal administration routes are physiologic approaches to stimulate the mucosal immune system to induce disease modifying benefits, while minimizing the severe toxicities commonly associated with the traditional intravenous administration of anti-CD3 mAbs.”

“The granting of this patent on first-in-class formulation technology allows us to work on bringing patients the first non-intravenous or subcutaneous treatment with antibodies to treat major gastrointestinal and neurodegenerative diseases such as Crohn’s Disease, pro-MS and Alzheimer’s disease. We believe development of the alternative administration routes of antibodies such as oral, nasal and inhalation could potentially be transformational for immunotherapies,” added Gabriele Cerrone, chairman and founder of Tiziana.

The patent titled “Anti-CD3 formulations; patent No. 10,688,186, Inventor: Kunwar Shailubhai”, is the first-ever to be granted on anti-CD3 formulations and covers oral administration with lyophilized and stabilized free-flowing powder of Foralumab or any other anti-CD3 mAb, encapsulated in enteric-coated capsules, for treatment of human diseases. In addition, the stabilized liquid formulation of Foralumab and other anti-CD3 mAbs for nasal administration is also covered in this patent. These formulation technologies have the potential to transform immunotherapies, which currently can only be administered through intravenously or subcutaneously.

Tiziana previously reported the successful completion of a Phase 1 trial utilizing oral administration of Foralumab, which was designed to evaluate its safety and tolerability in healthy subjects. The trial was conducted at Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass., and indicated that oral administration of Foralumab was well tolerated up to a 5 mg dose (https://www.tizianalifesciences.com/news-item?s=2020-01-09-tiziana-reports-phase-1-clinical-data-demonstrating-oral-treatment-with-foralumab-a-fully-human-anti-cd3-monoclonal-antibody-is-well-tolerated-in-healthy-volunteers). The Company plans to move forward with further development of orally administered Foralumab for evaluation in moderate-to-severe patients with Crohn’s Disease. Additionally, Tiziana previously reported the successful completion of a Phase 1 study evaluating safety and analysis of biomarkers for clinical activity of nasally administered stabilized solution of Foralumab (https://www.tizianalifesciences.com/news-item?s=2018-11-28-tiziana-announces-initiation-of-phase-1-clinical-trial-with-nasal-administration-of-foralumab-a-fully-human-anti-cluster-definition-3-monoclonal-antibody-anti-cd3-mab-in-healthy-volunteers). A Phase 2 trial in patients with progressive multiple sclerosis will commence shortly. Importantly, in both clinical studies, the severe toxicities commonly associated with intravenous administration of anti-CD3 mAbs were not observed with oral or nasal administration of Foralumab.

The person who arranged for the release of this announcement on behalf of the Company was Dr Kunwar Shailubhai, CEO & CSO of Tiziana.

About Foralumab
Foralumab (formerly NI-0401), the only entirely human anti-CD3 mAb, shows reduced release of cytokines after IV administration in patients with Crohn’s disease with decreases in the classic side effects of cytokine release syndrome (CRS) and improves the overall safety profile of Foralumab. In a humanized mouse model (NOD/SCID IL2γc-/-), it was shown that while targeting the T cell receptor, orally administered Foralumab modulates immune responses of the T cells, enhances regulatory T-cells (Tregs) and thus provides therapeutic benefit in treating inflammatory and autoimmune diseases without the occurrence of potential adverse events usually associated with parenteral mAb therapy (Ogura M. et al., 2017). Based on animal studies, the nasal and oral administration of Foralumab offers the potential for the immunotherapy of autoimmune and inflammatory diseases in a safe manner by the induction of Tregs.

About Tiziana Life Sciences
Tiziana Life Sciences plc is a dual listed (NASDAQ: TLSA & UK AIM: TILS) biotechnology company that focuses on the discovery and development of novel molecules to treat human diseases in oncology, inflammation and infectious diseases. In addition to milciclib, the Company will be shortly initiating phase 2 studies with orally administered foralumab for Crohn’s disease and nasally administered foralumab for progressive multiple sclerosis. Foralumab is the only fully human anti-CD3 monoclonal antibody (mAb) in clinical development in the world. This phase II compound has potential application in a wide range of autoimmune and inflammatory diseases, such as Crohn’s disease, multiple sclerosis, type-1 diabetes (T1D), inflammatory bowel disease (IBD), psoriasis and rheumatoid arthritis, where modulation of a T-cell response is desirable. The Company is accelerating development of anti-Interleukin 6 receptor (IL6R) mAb, a fully human monoclonal antibody for treatment of IL6-induced inflammation, especially for treatment of hospitalized COVID-19 patients with severe respiratory symptoms.


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