Tiziana Announces Submission of Amendment to Investigational New Drug Application to Advance Oral Foralumab, a Fully Human Anti-CD3 Monoclonal Antibody, in Patients with Crohn’s Disease
- Tiziana is Developing the First Oral Form of Foralumab in a Convenient Capsule to be Evaluated in Phase 1b Clinical Study
The currently planned Phase 1b study with an amended protocol is designed as a placebo-controlled, randomized and dose-escalating trial, in mild-to-moderate patients with Crohn’s Disease. The patients will be dosed up to 5 mg once daily for five consecutive days and safety of patients will be monitored throughout the treatment period in the hospital or clinical research unit (CRU). The primary objective of this study is to determine safety and tolerability. The study will also evaluate the pharmacodynamic (PD) effects on modulation of immunobiomarkers, including calprotectin, a widely used biomarker for gut inflammation, in stools, as a secondary endpoint. Data from an earlier Phase 1a, single-ascending dose (SAD) study with orally administered foralumab in healthy volunteers determined that the treatment was well-tolerated up to 5 mg, which was the highest dose tested.
This amendment would allow for the investigation of a broader patient population as well as a shorter dosing period. Previously, Tiziana had submitted an IND to conduct a Phase 1b study in moderate-to-severe active Crohn’s Disease patients to evaluate safety of enteric-coated foralumab capsules administered orally once daily for 14 days as an inpatient study in the hospital or CRU with safety monitoring, for which the FDA issued a ‘Study May Proceed letter’. However, initial feasibility findings indicated that enrollment of patients in this initial safety study, requiring 14-day hospitalization, was highly challenging due to the COVID-19 pandemic. Thus, the clinical protocol has been amended to expedite patient enrollment and study completion.
The clinical findings from this Phase 1b study could support moving foralumab into a Phase 2 clinical trial in patients with mild-to-moderate Crohn’s Disease. Tiziana is awaiting FDA’s comments on the amended
Foralumab (formerly NI-0401), the only entirely human anti-CD3 mAb, shows reduced release of cytokines after IV administration in healthy volunteers and in patients with Crohn's disease. 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 and 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. Clin Immunol.183:240-246). Once a day treatment for 10 consecutive days with intranasal foralumab was not only well tolerated but it also produced strong clinical responses in COVID-19 patients (Moreira et al., 2021. Front Immunol. 2021; 12: 709861). Based on these studies, the intranasal and oral administration of Foralumab offers the potential to become a well-tolerated immunotherapy for autoimmune and inflammatory diseases by the induction of Tregs.
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.
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Source: Tiziana Life Sciences Ltd.