Tiziana Life Sci PLC (TILS.L) Trial Initiation in a SPMS Patient with Foralumab

Tiziana Life Sciences Announces Initiation of Clinical Trial in a Secondary Progressive Multiple Sclerosis (SPMS) Patient with Nasal Administration of Foralumab, a Fully Human Anti-CD3 Monoclonal Antibody, Under an Individual Patient Expanded Access Program

· The first patient with SPMS was dosed on May 24, 2021 with nasally administered Foralumab. The treatment regimen will continue for six months to examine long-term safety, tolerability and clinical responses.

· Previous clinical studies in healthy volunteers and COVID-19 patients showed that nasally administered Foralumab is well-tolerated with no apparent severe adverse events (SAEs) when dosed for up to 10 consecutive days. Results from these studies showed strong anti-inflammatory effects of the treatment regimen.

New York/London, 25 May 2021 – Tiziana Life Sciences plc (NASDAQ: TLSA, LSE: TILS) (“Tiziana” or the “Company”), a biotechnology company focused on innovative therapeutics for inflammatory diseases and cancers, is pleased to announce that the first patient with secondary progressive multiple sclerosis (SPMS) was dosed with nasally administered Foralumab, a fully human anti-CD3 monoclonal antibody, at the Brigham and Women’s Hospital (BWH), Harvard Medical School, Boston, MA. Nasal Foralumab 50 mcg (25 mcg/nostril) will be administered in 3-week cycles, with 3 times/week dosing for the first 2 weeks followed by 1 week of rest period. This first-ever clinical study in SPMS patients, under an Individual Patient Expanded Access IND, will continue for six months to evaluate routine safety, tolerability, and neurological behaviors. The study will also examine microglial activation, by positron emission tomography (PET), immunological and neurodegenerative markers to assess clinical responses following the treatment regimen.

Previously, Tiziana completed a Phase 1 trial of a single-site, double-blind, placebo-controlled, multiple ascending dose (MAD) once a day dosing for 5 consecutive days with nasally administered Foralumab in healthy subjects. The treatment was well-tolerated with no drug-related safety issues reported at doses of up to 250 mcg. ( https://www.tizianalifesciences.com/news-item?s=2019-09-10-tiziana-reports-phase-1-clinical-data-demonstrating-nasal-treatment-with-foralumab-was-well-tolerated-and-produced-positive-trend-in-biomarkers-of-immunomodulation-and-anti-inflammation-in-healthy-volunteers )
Subsequently, Tiziana reported positive data from a clinical study with nasally administered Foralumab in COVID-19 patients in Brazil. Results from this clinical study demonstrated that nasally administered Foralumab at 100 mcg/day for consecutive 10 days was well-tolerated and there were no apparent severe adverse events. The clinical results demonstrated that the treatment provided significant reduction of lung inflammation together with a reduction in interleukin-6 (IL-6) and C-reactive protein (CRP), biomarkers of inflammation, in the blood samples taken from patients ( https://www.tizianalifesciences.com/news-item?s=2021-02-02-tiziana-reports-positive-data-from-the-clinical-study-of-nasal-administration-with-foralumab-its-proprietary-fully-human-anti-cd3-monoclonal-antibody-in-covid-19-patients-in-brazil )

Dr. Howard Weiner, Robert Kroc Professor of Neurology at Harvard Medical School said, “Nasally administered anti-CD3 is an exciting, novel approach that has the ability to provide safe treatment for a form of MS that currently has no effective treatment. We are excited to examine this first-in-class approach to treat patients with SPMS for whom no effective treatment option is currently available.”

Dr. Tanuja Chitnis, Professor of Neurology at Harvard Medical School and senior neurologist at the BWH, adds, “Effective and targeted treatments for progressive MS are urgently needed. Nasal Foralumab could revolutionize treatment for this disabling form of disease.”

The person who arranged for the release of this announcement on behalf of the Company was Dr Kunwar Shailubhai, Chief Executive Officer and Chief Scientific Officer of the Company.

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 and improves the overall safety profile of Foralumab. In a humanized mouse model (NOD/SCID IL2γc-/-), it was shown that whilst 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 LSE: 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 2 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 COVID-19 patients.

Forward-Looking Statements
Certain statements made in this announcement are forward-looking statements. These forward-looking statements are not historical facts but rather are based on the Company’s current expectations, estimates, and projections about its industry; its beliefs; and assumptions. Words such as ‘anticipates,’ ‘expects,’ ‘intends,’ ‘plans,’ ‘believes,’ ‘seeks,’ ‘estimates,’ and similar expressions are intended to identify forward-looking statements. These statements are not guarantees of future performance and are subject to known and unknown risks, uncertainties, and other factors, some of which are beyond the Company’s control, are difficult to predict, and could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements. The Company cautions security holders and prospective security holders not to place undue reliance on these forward-looking statements, which reflect the view of the Company only as of the date of this announcement. The forward-looking statements made in this announcement relate only to events as of the date on which the statements are made. The Company will not undertake any obligation to release publicly any revisions or updates to these forward-looking statements to reflect events, circumstances, or unanticipated events occurring after the date of this announcement except as required by law or by any appropriate regulatory authority.

For further enquiries:

United Kingdom:

Tiziana Life Sciences plc

Gabriele Cerrone, Chairman and founder

+44 (0)20 7495 2379

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