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MarketScreener Homepage  >  Equities  >  London Stock Exchange  >  Shire    SHP   JE00B2QKY057

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Kamada Announces Additional Interim Results from Phase 2 Proof of Concept Clinical Trial of Intravenous Alpha-1 Antitrypsin

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02/08/2019 | 08:26am EDT

Rehovot - Kamada Ltd. (NASDAQ & TASE: KMDA), a plasma-derived protein therapeutics company focused on orphan indications, today announced interim results from the Company's Phase 2 trial of intravenous Alpha-1 Antitrypsin (IV-AAT) for the prevention of lung transplant rejection following one year of treatment for all patients.

The study is being conducted at the Rabin Medical Center - Beilinson Hospital in Israel, under the leadership of Professor Mordechai R. Kramer, M.D., Director of the Institute of Pulmonary Medicine at the Center. The study is being conducted in collaboration with Shire plc, now owned by Takeda.

The Phase 2 proof-of-concept trial is a randomized, open-label study of 30 lung transplant patients to evaluate the safety and efficacy of IV-AAT to prevent lung transplant rejection and assess impact on pulmonary function measured by FEV1 compared with standard-of-care treatment (SOC). Patients were randomized 2:1, with 20 patients assigned to the treatment group receiving IV-AAT in combination with SOC (AAT+SOC), and 10 patients assigned to the control group receiving only SOC. This is a two-year study, with one year of treatment and one year of follow-up.

In January 2018, Kamada announced interim data summarizing the first six-months of treatment. These interim data were accepted for presentation at the International Society for Heart and Lung Transplantation 2019 Annual Meeting and Scientific Sessions, which will take place from April 3-6, 2019, in Orlando, Florida.

In May 2018, the last patient enrolled in the study completed one year of treatment and began the one-year follow-up period. This most recent interim report summarizes data from the one year treatment period for all patients in the study.

None of the adverse events (AEs) or serious adverse events (SAEs) observed to date were considered to be related to treatment with IV-AAT.

Acute rejection rates and pulmonary infections were similar in both study groups; 5 events of acute rejection were observed in 5 AAT+SOC patients (26%) vs. 4 events in 3 SOC patients (30%), and pulmonary infections were observed in 10 AAT+SOC patients (53%) vs. 5 SOC patients (50%).

Pulmonary function showed a trend towards improved FEV1% of predicted value in the AAT+SOC group at week 4 and week 48 post-transplantation compared to the SOC group (at week 4: 59.4 +/- 3.8 for AAT+SOC vs. 45.6 +/- 3.3 for SOC; At week 48: 58.0 +/- 13.0 for AAT+SOC vs. 52.1 +/- 3.9 for SOC).

When compared to SOC, treatment with AAT+SOC demonstrated a trend towards a lower percentage of patients with Primary Graft Dysfunction (PGD) grade 3 on day 3 (15% of the patients with AAT+SOC vs. 30% of the patients with SOC treatment), and a shorter mechanical ventilation time post-surgery (median of 1 day with AAT+SOC vs. 4.5 days with SOC treatment).

In addition, the AAT+SOC group demonstrated a trend towards improved Six Minute Walk Test (6MWT) results at the end of week 48 as compared to the SOC group (445+/-115 meters for AAT+SOC vs. 371+/-144 meters for SOC).

Throughout the one-year treatment period, 44 adverse events (AEs) were reported in the SOC group, while a total of 107 AEs were reported in the AAT+SOC group. This represents a rate of 1.5 and 1.8 AEs per 100 treatment days in the SOC and AAT+SOC groups, respectively. Out of the 44 AEs in the SOC group, 12 were serious adverse events (SAEs), while out of the 107 AEs in the AAT+SOC group, 31 were SAEs. This represents a rate of 0.4 and 0.5 SAEs per 100 treatment days in the SOC and AAT+SOC groups, respectively.

During the one-year treatment period of the study, five patients in the AAT+SOC group and two patients in the SOC group, died. During the follow-up period, to date, three additional patients from the AAT+SOC group have died. All deaths were considered as resulting from common transplant-related complications and unrelated to treatment with IV-AAT.

'Decreasing post-transplantation mechanical ventilation duration of lung-transplanted patients and reducing proportion of PGD are meaningful clinical targets that may also reduce long-term complications, such as chronic rejection,' said Prof. Kramer. 'Lung transplant recipients suffer from numerous post-operative complications, prolonged hospitalization duration and high mortality rates. I am encouraged by the interim results of this study and believe that further advanced powered studies are warranted to validate these meaningful signals of improvement.'

'We are pleased by these interim results and look forward to top-line data from this study, which are expected in the second half of 2019,' said Amir London, Chief Executive Officer of Kamada. 'This study is a reflection of Kamada's dedication to the lung transplant community, a patient group with a significant unmet medical need. Moreover, our complementary ongoing AAT research programs in Graft vs. Host Disease (GvHD) and Organ Preservation demonstrate the broad potential utility and scalability of our drug and its unique mechanism of action. We believe that this franchise of transplantation-related AAT treatments represents a significant market opportunity for Kamada.'

Shire, now owned by Takeda, has distribution rights and an exclusive license to Kamada's IV-AAT product for all IV indications in the U.S., Canada, Australia, and New Zealand, while Kamada maintains rights in all other territories and all other AAT routes of administration.

About FEV1

FEV1 indicates the volume of air forcefully exhaled within the first second of exhalation. FEV1 expressed as percent of the value predicted based on gender, age and height. Low FEV1 values indicates the presence of breathing disorder and correlates with the severity of the disease.

About PGD

Primary graft dysfunction (PGD) is a syndrome of acute lung injury up to 72 hours after lung transplantation. PGD develops in approximately 20-30% of all lung transplant recipients. According to the International Society for Heart and Lung Transplantation (ISHLT), PGD is associated with higher rate of complications such as chronic rejection and higher mortality rate.

About Mechanical Ventilation

Mechanical ventilation assists or replaces patients' spontaneous breathing during and post transplantation. Prolonged mechanical ventilation is associated with higher rates of morbidity and mortality.

About 6MWT

The six-minute walk test (6MWT) measures the distance an individual is able to walk over a total of six minutes on a hard, flat surface. The goal is for the individual to walk as far as possible in six minutes where an increase of more than 40 meters is clinically meaningful.

About Kamada

Kamada Ltd. is focused on plasma-derived protein therapeutics for orphan indications, and has a commercial product portfolio and a late-stage product pipeline. The Company uses its proprietary platform technology and know-how for the extraction and purification of proteins from human plasma to produce Alpha-1 Antitrypsin (AAT) in a highly-purified, liquid form, as well as other plasma-derived Immune globulins. AAT is a protein derived from human plasma with known and newly-discovered therapeutic roles given its immunomodulatory, anti-inflammatory, tissue-protective and antimicrobial properties. The Company's flagship product is GLASSIA, the first liquid, ready-to-use, intravenous plasma-derived AAT product approved by the U.S. Food and Drug Administration. Kamada markets GLASSIA in the U.S. through a strategic partnership with Shire plc (now owned by Takeda) and in other counties through local distributors. In addition to GLASSIA, Kamada has a product line of six other plasma-derived pharmaceutical products administered by injection or infusion, that are marketed through distributors in more than 15 countries, including Israel, Russia, Brazil, India and other countries in Latin America and Asia. Kamada has late-stage products in development, including an inhaled formulation of AAT for the treatment of AAT deficiency, and in addition, it's intravenous AAT is in development for other indications, such as type-1 diabetes, GvHD and prevention of lung transplant rejection. Kamada's rabies immune globulin (Human) product received FDA approval for Post-Exposure Prophylaxis against rabies infection in August 2017 and was launched in the US during Q1-2018. Kamada also leverages its expertise and presence in the plasma-derived protein therapeutics market by distributing more than 10 complementary products in Israel that are manufactured by third parties.

Cautionary Note Regarding Forward-Looking Statements

This release includes forward-looking statements within the meaning of Section 21E of the U.S. Securities Exchange Act of 1934, as amended, and the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that are not historical facts, such as (without limitation) statements regarding optimism related to study results and continued development program, timing of top line results publications and participation and presentation in medical conferences. Forward-looking statements are based on Kamada's current knowledge and its present beliefs and expectations regarding possible future events and are subject to risks, uncertainties and assumptions. Actual results and the timing of events could differ materially from those anticipated in these forward-looking statements as a result of several factors including, but not limited to, unexpected results of ongoing clinical studies, delays with the studies, additional competition in the markets that Kamada competes, including AAT, regulatory delays, prevailing market conditions, and the impact of general economic, industry or political conditions in the U.S., Israel or otherwise. The forward-looking statements made herein speak only as of the date of this announcement and Kamada undertakes no obligation to update publicly such forward-looking statements to reflect subsequent events or circumstances, except as otherwise required by law.

Contact:

Bob Yedid

Tel: 646-597-6989

Email: Bob@LifeSciAdvisors.com

(C) 2019 Electronic News Publishing, source ENP Newswire

Stocks mentioned in the article
ChangeLast1st jan.
SHIRE 2.42% 4690 End-of-day quote.0.00%
TAKEDA PHARMACEUTICAL CO LTD -1.18% 3778 End-of-day quote.4.36%
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