Tiziana Life Sci PLC (LON:TILS) Phase 2a Clinical Data

Tiziana Life Sciences Reports Positive Phase 2a Clinical Data Exhibiting Positive Clinical Activity with Milciclib Monotherapy in Advanced Sorafenib-refractory or -intolerant Patients with Unresectable or Metastatic Hepatocellular Carcinoma

New York/London, 4 September 2019 – Tiziana Life Sciences plc (NASDAQ: TLSA / AIM: TILS), a biotechnology company focusing on the discovery and development of innovative therapeutics for inflammation and oncology indications, today announced additional positive Phase 2a clinical data exhibiting impressive clinical activity of Milciclib monotherapy in patients with advanced Sorafenib-resistant or -intolerant patients with unresectable or metastatic hepatocellular carcinoma (HCC).

This Phase 2a multi-center, single-arm, repeated-dose (100 mg once daily; 4 days on/3 days off for 4 weeks; defining each cycle) and 6-month duration study was conducted to evaluate the safety, tolerability and anti-tumor activity of Milciclib in Sorafenib-resistant patients with unresectable or metastatic advanced HCC. The trial enrolled 31 patients in Italy, Greece and Israel, of which 28 patients were evaluable. While the primary endpoint of this study was overall safety, secondary endpoints were also evaluated.

As previously announced on 22 July 2019, the clinical data from the Phase 2a trial indicated that Milciclib was well tolerated with manageable toxicities and no recorded drug related deaths, thereby meeting the trial’s primary endpoint. The Company now announces all the major highlights of the clinical data from the trial, which also indicate positive clinical activity relating to the secondary endpoints including progression-free survival (“PFS”) and time to progression (“TTP”).

MAJOR HIGHLIGHTS OF THE CLINICAL DATA

As per the study protocol, data collection was limited to 6-months. Thus, clinical data were not collected from patients under compassionate use treatment. The clinical activity assessment in evaluable patients was based on the investigators’ review using the modified Response Evaluation Criteria in Solid Tumors (mRECIST).

· 14 out of 28 (50%) evaluable patients completed 6-month duration of the trial.

· 9 out of 14 patients (64.2%) were approved by their respective ethical committees to continue the treatment.

· 5 of the 9 patients on compassionate use had received Milciclib for a total of 9, 9, 11, 13 and 16 months.

· As of 1 September 2019, the remaining 4 patients continuing the treatment are in their 10th, 11th, 11th and 12th months.

· Both median TTP and PFS were 5.9 months (95% Confidence Interval (“CI”) 1.5-6.7 months) out of the 6-months duration of the trial.

· 17 of 28 (60.7%) evaluable patients showed ‘Stable Disease’ (SD; met at least once in an 8-week interval).

· One patient (3.6%) showed ‘Partial Response’ (PR).

· 18 of 28 (64.3%) evaluable patients showed ‘Clinical Benefit Rate’ defined as CBR=CR+PR+SD (with CR representing Complete Remission).

Sorafenib® (Bayer) was approved, based on the clinical data from the pivotal Phase 3 (SHARP) clinical trial1, as the first line therapy for naive HCC patients. The clinical data from that study showed median TTP of 5.5 months (95% CI 4.1-6.9 months), CBR of 43% and 71% SD by RECIST criteria1. Conversely, the clinical data from a phase 2 trial with Sorafenib in patients with advanced HCC, showed SD (33.6%), TTP of 4.2 months and median OS of 9.2 months2.

Regorafenib was approved, based on the clinical data from the pivotal Phase 3 (RESORCE) clinical trial3, as the second line therapy for sorafenib-resistant HCC patients. In this study, Regorafenib showed median PFS of 3.1 months (95% CI 2.8-4.2 months), median TTP of 3.2 months (95% CI 2.9-4.2 months) and disease control rate (DCR, similar to CBR) of 65% by mRECIST. On the other hand, the clinical data from a Phase 2 study in patients with intermediate and advanced HCC, Regorafenib showed median TTP of 4.3 months (95% CI 2.9-13.1 months), SD (69%) and PR was 3%4.

“The current therapies for HCC are often associated with severe toxicities, resulting in poor patient compliance. Hence, there is an immediate need for efficacious therapies that will not compromise patients’ quality of life. We believe that the overall safety profile of Milciclib is an important competitive advantage over existing therapies currently used for treating HCC” said Gabriele Cerrone, Chairman and founder of Tiziana Life Sciences.

“The positive clinical activity and tolerability data of Milciclib in Sorafenib-resistant and advanced HCC patients are very encouraging and provides affirmation for continued development of Milciclib, either as monotherapy or combination therapy” said Dr. Kunwar Shailubhai, CEO & CSO of Tiziana. “We reported last year at AASLD that Milciclib produced pronounced synergistic anti-HCC activity in combination with any one of the FDA approved tyrosine kinase inhibitor (TKI) class of drugs, including Sorafenib (Nexavar®), Regorafenib (Stivarga®), and Lenvatinib (Lenvima®)5. Thus, we believe that Milciclib in combination with any one of the TKI drugs has good potential to expand the Clinical Benefit Rate in HCC patients.”

Full RNS Update HERE 

 

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