PubMed Journals Articles About "Chugai Pharma Emicizumab Receives Priority Review Designation Hemophilia" RSS

13:02 EST 10th December 2018 | BioPortfolio

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Showing "Chugai Pharma Emicizumab Receives Priority Review Designation Hemophilia" PubMed Articles 1–25 of 17,000+

Emicizumab for routine prophylaxis to prevent bleeding episodes in patients with hemophilia A.

Hemophilia A is an X-linked bleeding disorder caused by defects in the gene encoding factor VIII (FVIII). Routine prophylaxis with exogenous FVIII requires frequent intravenous injections. One of the most challenging issues in the treatment of hemophilia A is the development of alloantibodies against infused FVIII. Presence of inhibitors results in an ineffective factor replacement therapy and increases the risk of morbidity and mortality in these patients. Therefore, there is growing interest in the develo...

Evaluating the safety of emicizumab in patients with hemophilia A.

Patients affected by Hemophilia A often require frequent prophylactic and therapeutic self-infusion. For those who develop inhibitors, treatment options are limited and mortality is increased. Emicizumab, a bispecific antibody to Factors IXa and X that carries out the function of Factor VIII (FVIII), represents a novel therapeutic approach. Areas covered: We review the clinical trials and key laboratory assay research for emicizumab. Emicizumab reduced the annualized bleeding rate by 87% compared to placebo...

Emicizumab Prophylaxis in Patients Who Have Hemophilia A without Inhibitors.

Emicizumab is a bispecific monoclonal antibody that bridges activated factor IX and factor X to replace the function of missing activated factor VIII, thereby restoring hemostasis. In a phase 3, multicenter trial, we investigated its use as prophylaxis in persons who have hemophilia A without factor VIII inhibitors.

The effect of emicizumab prophylaxis on health-related outcomes in persons with haemophilia A with inhibitors: HAVEN 1 Study.

Persons with haemophilia A (PwHA) with inhibitors to factor VIII often experience decreased health-related outcomes. In HAVEN 1 (NCT02622321), there was a statistically significant reduction in bleeding with emicizumab prophylaxis versus no prophylaxis.

Relative and Absolute Bioavailability Study of Emicizumab to Bridge Drug Products and Subcutaneous Injection Sites in Healthy Volunteers.

Emicizumab (ACE910) is a bispecific antibody that is a novel, subcutaneously injectable treatment for patients with hemophilia A. This study assessed the relative bioavailability of emicizumab between old and new drug products (DPs) and among 3 commonly used subcutaneous injection sites (abdomen, upper arm, and thigh), together with its absolute bioavailability in healthy volunteers. Forty-eight healthy volunteers were randomized into 4 groups to receive a single subcutaneous injection of 1 mg/kg with the o...

Emicizumab-mediated haemostatic function in patients with haemophilia A is down-regulated by activated protein C through inactivation of activated factor V.

Activated protein C (APC) inactivates activated factor V (FVa) and moderates FVIIIa by restricting FV cofactor function. Emicizumab is a humanized anti-FIXa/FX bispecific monoclonal antibody that mimicks FVIIIa cofactor function. In recent clinical trials in haemophilia A patients, once-weekly subcutaneous administration of emicizumab was remarkably effective in preventing bleeding events, but the mechanisms controlling the regulation of emicizumab-mediated haemostasis remain to be explored. We investigated...

Shifting Landscape of Hemophilia Therapy: Implications for Current Clinical Laboratory Coagulation Assays.

Clinical coagulation assays are an integral part of diagnosing and managing patients with hemophilia; however, in this new era of bioengineered factor products and non-factor therapeutics, problems have arisen with use of traditional coagulation tests for the quantification of several of these new products. Discussion over the use of one-stage clotting assays versus chromogenic substrate assays for clinical decision making and potency labeling has been ongoing for many years. Emerging factor concentrates ha...

Cardiovascular comorbidities in a United States patient population with hemophilia A: A comprehensive chart review.

Previous retrospective claims database analyses reported increased prevalence and earlier onset of cardiovascular comorbidities in patients with versus without hemophilia A. A comprehensive chart review was designed to further investigate previous findings.

Nano-evidence for Joint Microbleeds in Hemophilia Patients.

The concept of joint microbleeding in hemophilia patients was first proposed over 10 years ago. This was based on unexpected abnormalities found in medical imaging studies of asymptomatic joints. Since then, there have been no published studies confirming the presence of joint microbleeds. This critique will review the evidence for and against joint microbleeding in hemophilia patients and the potential implications. This article is protected by copyright. All rights reserved.

FDA Expectations for Demonstrating Interchangeability.

There is a great interest from global companies who are developing biosimilars to pursue interchangeability designation for commercialization of their products in the US. An interchangeability designation will not only allow the substitutability at the pharmacy level without the intervention of a health care provider but the first sponsor who is able to garner interchangeability designation will also receive 12 months of marketing exclusivity. This paper will highlight our current understanding of FDA expec...

Inhibitors in Hemophilia B.

Hemophilia B (HB) is an X-linked bleeding disorder caused by deficiency of factor IX (FIX). Patients with the severe form (FIX

rFIXFc for Immune Tolerance Induction in a Severe Hemophilia B Patient with an Inhibitor and Prior History of ITI Related Nephrotic Syndrome.

Inhibitor Formation in Congenital Hemophilia A: an Immunological Perspective.

The immunogenicity of therapeutic factor VIII (FVIII) in patients with hemophilia A has been puzzling scientific and clinical communities for more than 3 decades. Indeed, the development of inhibitory antibodies to FVIII remains a major clinical challenge and is associated with enormous societal costs. Thus, the reasons for which a presumably innocuous, short-lived, intravenously administered glycoprotein triggers such a deleterious, long-lasting neutralizing immune response is an enigma. This review does n...

A Retrospective Analysis of Intracranial Hemorrhage in Children with Hemophilia A.

To investigate the incidence, risk factors, clinical manifestations and prognosis of intracranial hemorrhage (ICH) in children with hemophilia A in a center of China, we conducted a retrospective analysis of 126 children with hemophilia A at our hospital in recent 4 years. Thirty-six children with hemophilia A (including 19 severe cases, and 17 moderate cases complicated with joint diseases) received low dose factor VIII (FVIII) prophylaxis, and none of them had ICH. However, 13 cases of hemophilia A not gi...

Prevalence of factor VIII inhibitors among Afghan patients with hemophilia A: a first report.

: Prevalence of inhibitors in Afghan hemophilia patients has not been reported previously. Our aim was to determine the prevalence of factor VIII inhibitors among hemophilia A patients from the Kabul province of Afghanistan to identify and characterize the pattern of inhibitor formation. Clinical information and blood samples were collected from three hemophilia centers in Kabul, Afghanistan. Plasma samples were obtained from 62 patients with severe (80.5%) and 15 patients with moderate hemophilia A (19.5%)...

Reliability and Validity of Patient-Reported Outcome Instruments in US Adults with Hemophilia B and Caregivers in the B-HERO-S Study.

To assess the reliability and validity of 6 patient-reported outcomes (PRO) instruments for evaluating health-related quality of life in adults with mild-severe hemophilia B and caregivers of children with hemophilia B, including affected women/girls.

Value of prophylaxis vs on-demand treatment: Application of a value framework in hemophilia.

Therapeutic advances over the past 30 years have led to longer life expectancy and improved quality of life (QOL) for persons with hemophilia. Access to innovative therapy may be compromised if treatment decisions are driven solely by cost. New strategies are needed to assess true therapeutic values, along with financial cost, as physicians, policymakers, payers and manufacturers work together to improve patient care.

Assay challenges (and opportunities) with non-factor VIII therapies for Hemophilia A.

Impact of Exercise/Sport on Well-being in Congenital Bleeding Disorders.

Physical activity provides many benefits in patients with congenital bleeding disorders. Patients with hemophilia are encouraged to participate in exercise and sports, especially those patients receiving prophylaxis. Several publications and guidelines have explored this issue in hemophilia patients, evaluating in particular the impact of physical activity on patients' well-being and quality of life. The other rare congenital bleeding disorders are less studied; they are heterogeneous in terms of clinical b...

Joint Mobility and Physical Function of Danish Hemophilia Patients: A Three-Wave Panel Study Spanning 24 Years.

The positive effects of factor treatment of hemophilia are well established, but the long-term outcomes are not well documented. This panel study evaluated changes in bleeding frequency, joint mobility, physical function, and symptoms in Danish patients with moderate to severe hemophilia A or B over 24 years.

Acquired hemophilia A: case report.

Case report of a 74-year-old male with acquired hemophilia A, whose etiology was not found, confirmed by hemocoagulation examinations, with clinical manifestation of protracted macroscopic hematuria, spontaneous skin and intramuscular bleedings. Treatment comprised conservative therapy administration of hemostyptics, red blood cells transfusions application of recombinant human factor VII (rFVII) and immunosuppression. Finally, patient died due to nosocomial infection caused by multidrug-resistant pulmonary...

Preventing or Eradicating Factor VIII Antibody Formation in Patients with Hemophilia A: What Can We Learn from Other Disorders?

Eradication of factor VIII (FVIII) specific neutralizing antibodies (also known as inhibitors) by the traditional method of immune tolerance induction (ITI) is costly and unsuccessful in one out of three patients. Furthermore, effective inhibitor prevention strategies are presently lacking. An overview is given in this narrative review of antidrug antibody prevention or eradication strategies that have been used in disorders beyond hemophilia A, with the aim of analyzing what we can learn from these strateg...

The effect of unmeasurable endogenous plasma factor activity levels on factor VIII dosing in patients with severe hemophilia A.

Patients with hemophilia A are defined as "severe" if they present

Miracle of haemophilia drugs: Personal views about a few main players.

In the second decade of the third millennium there have been dramatic developments pertaining to the availability of highly innovative drugs for hemophilia care, notwithstanding a satisfactory previous scenario.

Is the priority review voucher program stimulating new drug development for tropical diseases?

Congress created the tropical disease priority review voucher program to stimulate new drug development for tropical diseases. An analysis of the pharmaceutical pipeline indicates that the development of drugs for these tropical diseases has increased. However, the effects of the program are not uniform across all diseases, as malaria and tuberculosis have seen significant new drug development, while other diseases have not.

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