Shire committed to advancing treatment and raising standards of care for hemophilia patients around the world
Lexington, Mass. – July 26, 2016 – Shire plc (LSE: SHP, NASDAQ: SHPG) will present additional data on the clinical experience of ADYNOVATE [Antihemophilic Factor (Recombinant), PEGylated], an extended half-life recombinant Factor VIII (rFVIII) replacement for hemophilia A, during the International Congress of the World Federation of Hemophilia (WFH) in Orlando, Florida. Throughout the Congress, Shire will present more than a dozen scientific updates on the company’s broad portfolio of treatments for bleeding disorders, including ADYNOVATE.
“Treatment options that offer the potential of minimizing the impact of this disorder on hemophilia A pediatric patients and their caregivers are needed,” said Michael Tarantino, M.D., medical director of the Bleeding & Clotting Disorders Institute. “These data reinforce that ADYNOVATE – a factor replacement treatment with an extended-half life - may help by providing them with a treatment option of twice-weekly dosing.”
Hemophilia A is a challenging chronic disease; treatment regimens require regular infusions to reduce the risk of bleeding. Today, hemophilia A affects more than 400,000 people globally and WFH estimates 45 percent of hemophilia A patients in the United States are under the age of 18.
With ADYNOVATE, Shire has expanded its leading hemophilia portfolio with a wide variety of options, helping to further personalize hemophilia A care for pediatric patients. ADYNOVATE is the first extended half-life rFVIII treatment built on a proven protein, ADVATE [Antihemophilic Factor (Recombinant)]. Designed to extend the time FVIII circulates in the body, ADYNOVATE provides dosing flexibility to help achieve personalized treatment goals.
“ADYNOVATE is a great example of building on the proven concept of direct factor replacement and meeting the treatment standards set for hemophilia patients,” said Leonard Valentino, M.D., global head, Hematology Medical Affairs, Shire. “We are committed to reducing the burden of hemophilia A for patients of all ages worldwide and look forward to expanding availability of this treatment option to patients who can benefit from its demonstrated safety and efficacy profile.”
ADYNOVATE Presentations Illustrate Clinical Profile in Children
Safety and Efficacy of Pegylated Full-Length Recombinant Factor VIII with Extended Half-Life in Previous Treated Children with Hemophilia A. Poster #: T-P-89
Data will be presented from a global, open-label Phase 3 study designed to assess the safety and efficacy of a twice-weekly prophylactic ADYNOVATE regimen to control bleeding in previously-treated children under the age of 12. ADYNOVATE met its primary endpoint in the study, as no patients developed inhibitory antibodies to ADYNOVATE. Nearly 40 percent (37.9 percent) of patients experienced no bleeding episodes and more than 70 percent (72.7 percent) of patients had no joint bleeds. Of the bleeding episodes that did occur, none were considered major. The study also assessed the median annualized bleeding rate (ABR), which was 2.0 [mean ABR 3.0 (2.2 - 4.2)]. These comprehensive results reinforce initial data reported from this study in December 2015.
Further analyses from the study to be presented this week investigated characteristics of patients who achieved zero bleeds during the study, as well as an evaluation of reductions in both frequency of dosing (compared to pre-study regimen) and ABRs in patients (<12 years) treated with ADYNOVATE. Following is a synopsis of the analyses to be presented:
An Integrated Analysis of Long Term Safety of An extended Half-Life, Pegylated, Full-length Recombinant Factor VIII (BAX 855) in the Treatment of Hemophilia A in 234 Pediatric, Adolescent and Adult Patients. Poster #: T-P-106
A separate, integrated safety analysis assessed five clinical studies of ADYNOVATE for prophylaxis, bleeding, perioperative management or PK evaluation. Of 234 previously treated hemophilia A pediatric, adolescent and adult patients, the overall rate of AEs/infusion was 2.5 percent (652/25,724), for non-serious AEs 2.4 percent (618/25,724), and for serious AEs 0.1 percent (34/25,724). These data are consistent with the safety profile of ADVATE.
Additional clinical programs supporting ADYNOVATE are underway with the goal of expanding access to this treatment for more patients around the world. Currently, ADYNOVATE is being studied in previously-untreated patients (PUPs) with severe hemophilia A. In parallel, the PROPEL study is in progress to evaluate additional dosing regimens with ADYNOVATE, using pharmacokinetic (PK)-guided prophylaxis among adults with severe hemophilia A. This study is designed to compare outcomes of PK-guided treatment with ADYNOVATE targeting FVIII trough levels of 1-3 percent vs. approximately 10 percent (8-12 percent). Please visit clinicaltrials.gov for more information.
ADYNOVATE was approved in the U.S. in November 2015 and in Japan in March 2016 for use in hemophilia A patients 12 years and older for on-demand treatment and control of bleeding and prophylaxis to reduce the frequency of bleeding episodes. In early 2016, Baxalta, now part of Shire, filed for use in pediatric and surgical settings in the United States. ADYNOVATE is currently under regulatory review in Canada, Switzerland and Europe.
For more information on ADYNOVATE, please visit ADYNOVATE.com.
ADYNOVATE, [Antihemophilic Factor (Recombinant), PEGylated], is a human antihemophilic factor indicated in adolescent and adult patients (12 years and older) with hemophilia A (congenital factor VIII deficiency) for:
ADYNOVATE is not indicated for the treatment of von Willebrand disease.
DETAILED IMPORTANT RISK INFORMATION
ADYNOVATE is contraindicated in patients who have had prior anaphylactic reaction to ADYNOVATE, to the parent molecule (ADVATE), mouse or hamster protein, or excipients of ADYNOVATE (e.g. Tris, mannitol, trehalose, glutathione, and/or polysorbate 80).
WARNINGS & PRECAUTIONS
Hypersensitivity reactions are possible with ADYNOVATE. Allergic-type hypersensitivity reactions, including anaphylaxis, have been reported with other recombinant antihemophilic factor VIII products, including the parent molecule, ADVATE. Early signs of hypersensitivity reactions that can progress to anaphylaxis may include angioedema, chest tightness, dyspnea, wheezing, urticaria, and pruritus. Immediately discontinue administration and initiate appropriate treatment if hypersensitivity reactions occur.
Formation of neutralizing antibodies (inhibitors) to factor VIII can occur following administration of ADYNOVATE. Monitor patients regularly for the development of factor VIII inhibitors by appropriate clinical observations and laboratory tests. Perform an assay that measures factor VIII inhibitor concentration if the plasma factor VIII level fails to increase as expected, or if bleeding is not controlled with expected dose.
Common adverse reactions (≥1% of subjects) reported in the clinical studies were headache and nausea.
For Full Prescribing Information, visit http://baxalta.com/assets/documents/ADYNOVATE_PI.pdf
ADVATE [Antihemophilic Factor (Recombinant)] is a recombinant antihemophilic factor indicated for use in children and adults with hemophilia A (congenital factor VIII deficiency) for:
ADVATE is not indicated for the treatment of von Willebrand disease.
DETAILED IMPORTANT RISK INFORMATION
ADVATE is contraindicated in patients who have life-threatening hypersensitivity reactions, including anaphylaxis, to mouse or hamster protein or other constituents of the product.
WARNINGS & PRECAUTIONS
Allergic-type hypersensitivity reactions, including anaphylaxis, have been reported with ADVATE. Symptoms include dizziness, paresthesia, rash, flushing, facial swelling, urticaria, dyspnea, pruritus, and vomiting.
Discontinue ADVATE if hypersensitivity symptoms occur and administer appropriate emergency treatment.
Neutralizing antibodies (inhibitors) have been reported following administration of ADVATE predominantly in previously untreated patients (PUPs) and previously minimally treated patients (MTPs). Monitor all patients for the development of factor VIII inhibitors by appropriate clinical observation and laboratory testing. If expected plasma factor VIII activity levels are not attained, or if bleeding is not controlled with an expected dose, perform an assay that measures factor VIII inhibitor concentration.
Serious adverse reactions seen with ADVATE are hypersensitivity reactions, including anaphylaxis, and the development of high-titer inhibitors necessitating alternative treatments to factor VIII.
The most common adverse reactions observed in clinical trials (frequency ≥5% of subjects) were pyrexia, headache, cough, nasopharyngitis, arthralgia, vomiting, upper respiratory tract infection, limb injury, nasal congestion, and diarrhea.
Please see full prescribing information for ADVATE at: http://www.baxalta.com/assets/documents/ADVATE_PI.pdf
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