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Alexion Commences Dosing In AEGIS Registration Study Of Soliris(R) (eculizumab) In Patients With PNH In Japan
Alexion
Pharmaceuticals, Inc. (the "Company," Nasdaq: ALXN) announced that it
has commenced dosing in the AEGIS study, a single registration study to
evaluate the safety, efficacy, and pharmacology of Soliris(R) (eculizumab)
as a treatment for Japanese patients with paroxysmal nocturnal
hemoglobinuria (PNH). When fully enrolled, the open-label study, authorized
by Japan's Pharmaceutical and Medical Device Administration (PMDA), is
expected to include approximately 25 patients with PNH at clinical sites
throughout Japan. Each PNH patient in the AEGIS study will be dosed with
Soliris for 12 weeks after enrollment.
PNH is a rare acquired genetic blood disorder defined by hemolysis, in
which patients' red blood cells are destroyed by complement, a component of
the body's immune system. The primary efficacy endpoint of the study is
reduction of hemolysis from baseline. The study will also measure the
effect of Soliris on other clinical manifestations of PNH, including blood
transfusion requirements, thromboses (blood clots), and kidney function.
Patients' overall quality of life, including fatigue, will also be
assessed.
The inclusion and exclusion criteria for the AEGIS study are similar to
those used in one of Alexion's previous Phase 3 studies of Soliris as a
treatment for PNH, the SHEPHERD study. SHEPHERD examined the safety and
efficacy of eculizumab in a broad and diverse population of patients with
PNH, including enrollment of patients with minimal transfusion requirements
and/or evidence of thrombocytopenia. (1) Based on the SHEPHERD study and
the TRIUMPH Phase 3 study, (2) Soliris was approved as the first treatment
for patients with PNH by the U.S. Food and Drug Administration in March
2007 and by the European Commission in June 2007.
"Commencing patient dosing with eculizumab in the Japanese registration
study represents an important step toward providing patients with PNH in
Japan the same innovative therapy that is already available to patients in
the U.S. and Europe," said Dr. Yuzuru Kanakura, M.D. Ph.D., Professor and
Chairman Department of Hematology and Oncology, Osaka University Graduate
School of Medicine. "We are excited to be participating in such an
important study and look forward to the Soliris program progressing to
registration in Japan."
"After consultation with the leading PNH clinical investigators in
Japan and with the PMDA, we are pleased to have commenced dosing with
Soliris in the AEGIS study, our single Japanese registration trial," said
Leonard Bell, M.D., Chief Executive Officer of Alexion. "After completing
enrollment and dosing, and comparing these results in Japanese patients to
our earlier PNH studies, we expect to submit a licensing application for
Soliris in PNH to the Japanese regulatory authority. Initiating this
Japanese registration study is an important component of reaching our
global goal that every PNH patient who can benefit from Soliris will have
access to it."
About PNH
PNH is a rare blood disease that affects an estimated 8,000 to 10,000
people in North America and Europe and, using similar prevalence estimates,
potentially 1,000 - 2,000 patients in Japan. (3) PNH often strikes people
in the prime of their lives, with an average age of onset in the early
30's. (4) Approximately ten percent of all patients first develop symptoms
at 21 years of age or younger. (5) PNH develops without warning and can
occur in men and women of all races, backgrounds and ages. PNH often goes
unrecognized, with delays in diagnosis often ranging from one to more than
10 years. (6) The estimated median survival for PNH patients is between 10
and 15 years from the time of diagnosis. (4,6)
PNH has been identified more commonly among patients with disorders of
the bone marrow, including aplastic anemia (AA) and myelodysplastic
syndrome (MDS). (7,8,9,10) In patients with thrombosis of unknown origin,
PNH may be an underlying cause. (5,11)
Prior to approval of Soliris, there were no therapies specifically
available for the treatment of PNH. PNH treatment was limited to symptom
management through periodic blood transfusions, non-specific
immunosuppressive therapy and, infrequently, bone marrow transplantations
-- a procedure that carries considerable mortality risk. (5,11)
About Soliris
Soliris was approved in March 2007 by the U.S. Food and Drug
Administration (FDA) as the first treatment for PNH, a rare, debilitating
and life-threatening blood disorder defined by hemolysis, or the
destruction of red blood cells. In June 2007, the European Commission (EC)
also approved the use of Soliris for the treatment of patients with PNH.
Soliris is the first therapy approved in Europe for the treatment of PNH
and was the first medicinal product to receive EC approval under the EMEA
Accelerated Assessment Procedure.
Important Safety Information
Soliris is generally well tolerated. The most frequent adverse events
observed in clinical studies were headache, nasopharyngitis (a runny nose),
back pain and nausea. Treatment with Soliris should not alter anticoagulant
management because the effect of withdrawal of anticoagulant therapy during
Soliris treatment has not been established.
The U.S. product label for Soliris also includes a boxed warning:
"Soliris increases the risk of meningococcal infections. Vaccinate patients
with a meningococcal vaccine at least two weeks prior to receiving the
first dose of Soliris; revaccinate according to current medical guidelines
for vaccine use. Monitor patients for early signs of meningococcal
infections, evaluate immediately if infection is suspected, and treat with
antibiotics if necessary." During clinical studies, two out of 196
vaccinated PNH patients treated with Soliris experienced a serious
meningococcal infection.
Prior to beginning Soliris therapy, all patients and their prescribing
physicians are enrolled in the Soliris Safety Registry which is part of a
special risk management program that involves initial and continuing
education and long-term monitoring for detection of new safety findings.
Please see full prescribing information at http://www.soliris.net.
About Alexion
Alexion Pharmaceuticals, Inc. is a biopharmaceutical company working to
develop and deliver life-changing drug therapies for patients with serious
and life-threatening medical conditions. Alexion is engaged in the
discovery, development and commercialization of therapeutic products aimed
at treating patients with a wide array of severe disease states, including
hematologic diseases, cancer, and autoimmune disorders. In March 2007, the
FDA granted marketing approval for Alexion's first product, Soliris, for
all patients with PNH and Alexion began commercial sale of Soliris in the
U.S. during April 2007. In June 2007, the EC granted marketing approval for
Soliris in the European Union for all patients with PNH. Alexion is
evaluating other potential indications for Soliris as well as other
formulations of eculizumab for additional clinical indications, and is
pursuing development of other antibody product candidates in early stages
of development. This press release and further information about Alexion
Pharmaceuticals, Inc. can be found at: http://www.alexionpharm.com.
Safe Harbor Statement
This news release contains forward-looking statements, including
statements related to potential health and medical benefits from Soliris.
Forward-looking statements are subject to factors that may cause Alexion's
results and plans to differ from those expected, including for example,
decisions of regulatory authorities regarding marketing approval or
material limitations on the marketing of Soliris, delays in arranging
satisfactory manufacturing capability and establishing commercial
infrastructure, delays in developing or adverse changes in commercial
relationships, the possibility that results of clinical trials are not
predictive of safety and efficacy results of Soliris in broader patient
populations (including the possibility that earlier clinical trials may not
be representative of future results in the AEGIS study, the current
Japanese registration trial), the possibility that initial results of
commercialization are not predictive of future rates of adoption of
Soliris, the risk that third parties won't agree to license any necessary
intellectual property to us on reasonable terms or at all, the risk that
third party payors will not reimburse for the use of Soliris at acceptable
rates or at all, the risk that estimates regarding the number of PNH
patients are inaccurate, the risk that pending litigation may be resolved
adversely, and a variety of other risks set forth from time to time in
Alexion's filings with the Securities and Exchange Commission, including
but not limited to the risks discussed in Alexion's Quarterly Report on
Form 10-Q for the period ended September 30, 2007 and in our other filings
with the Securities and Exchange Commission. Alexion does not intend to
update any of these forward-looking statements to reflect events or
circumstances after the date hereof, except when a duty arises under law.
(1) Brodsky RA, Young, NS, Antonioli E., et al. Multicenter phase III
study of the complement inhibitor eculizumab for the treatment of
patients with paroxysmal nocturnal hemoglobinuria. Blood First
Edition. 11/30/2007; DOI 10.1182/blood-2007-06-094136 The
publication may be viewed online at
http://bloodjournal.hematologylibrary.org/cgi/content/abstract/blood-
2007-06-094136v1. (Due to length of URL, please copy and paste into
browser window.)
(2) Hillmen P, Young NS, Schubert J, et al. The complement inhibitor
eculizumab in paroxysmal nocturnal hemoglobinuria. N Engl J Med.
2006;355:1233-1243.
(3) Hill A, Platts PJ, Smith A et al. The incidence and prevalence of
paroxysmal nocturnal hemoglobinuria (PNH) and survival of patients in
Yorkshire [abstract]. Blood. 2006;108(11):985.
(4) Socie G, Mary J Yves, de Gramont A, et al. Paroxysmal nocturnal
haemoglobinuria: long-term follow-up and prognostic factors. Lancet
1996; 348:573-577.
(5) Parker C, Omine M, Richards S, et al. Diagnosis and management of
paroxysmal nocturnal hemoglobinuria. Blood. 2005;106:3699-3709.
(6) Hillmen P. Lewis SM, Bessler M, Luzzatto L, Dacie JV. Natural history
of paroxysmal nocturnal hemoglobinuria. N Engl J Med 1995; 333:1253-
1258.
(7) Johnson RJ, Hillmen P. Paroxysmal nocturnal hemoglobinemia: Nature's
gene therapy? J Clin Path: Mol Pathol. 2002;55:145-152.
(8) Wang, et al. Clinical significance of a minor population of
paroxysmal nocturnal hemoglobinuria-type cells in bone marrow failure
syndrome. Blood 2002;100:3897-3902.
(9) Iwanga, et al. Paroxysmal nocturnal haemoglobinuria clones in
patients with myelodysplastic syndromes. Brit J Haem. 1998; 102:465-
474.
(10) Maciejewski, et al. Relationship between bone marrow failure
syndromes and the presence of glycophosphatidyl inositol-anchored
protein-deficient clones. Brit J Haem. 2001;115:1015-1022.
(11) Hill A, Richards S, Hillmen P. Recent developments in the
understanding and management of paroxysmal nocturnal haemoglobinuria.
British Journal of Haematology 2007; 137:3, 181-192.
Alexion Pharmaceuticals, Inc.
http://www.alexionpharm.com
View drug information on Soliris.
Alexion Commences Dozarea În AEGIS de inregistrare Studierea Soliris (R) (eculizumab) la pacienþii cu PNH În Japonia - Alexion Commences Dosing In AEGIS Registration Study Of Soliris(R) (eculizumab) In Patients With PNH In Japan - articole medicale engleza - startsanatate