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Biologics/ Biosimilars

Laura Martelli, Laurent Peyrin-Biroulet
BACKGROUND: Anti-tumor necrosis factor (anti-TNF) monoclonal antibodies have revolutionized the treatment of inflammatory bowel diseases (IBD). However, because of their complexity, their production is expensive contributing to their high price. As the patent protection of these therapies has expired in several countries, biosimilars have been developed to reduce the healthcare costs. The aim of this article is to review the literature on the safety, efficacy and immunogenicity of biosimilars in IBD...
October 14, 2016: Current Medicinal Chemistry
Joachim R Kalden
Diverse strategies to develop novel treatments for rheumatoid arthritis which specifically target those patients who do not respond to available medications, including biologics, are currently being explored. New potential therapeutic approaches which may become available as part of standard therapeutic regimens include the propagation of regulatory T cells and-in the future-of regulatory B cells. New biologic disease-modifying antirheumatic drugs (b-DMARDs) against interleukin-17 and -6, granulocyte-macrophage colony-stimulating factor, and complement component 5 are now standard components of clinical treatment programs...
June 2016: Rheumatol Ther
Kunal Thakur, Anna Biberger, Alexandra Handrich, Mourad Farouk Rezk
INTRODUCTION: Enbrel(®) (etanercept: manufactured by Immunex Corporation, Newbury Park, Thousand Oaks, CA 91320, USA) was the first biological disease-modifying anti-rheumatic drug approved for the treatment of rheumatoid arthritis (RA) in Europe. More recently, an etanercept biosimilar (Benepali(®): manufactured by Biogen Inc, Cambridge, MA 02124, USA) was approved in the European Union. The perceptions and preferences of the Benepali autoinjector versus Enbrel MYCLIC autoinjector were evaluated by nurses from Europe...
June 2016: Rheumatol Ther
Valderilio Azevedo, Brian Hassett, João Eurico Fonseca, Tatsuya Atsumi, Javier Coindreau, Ira Jacobs, Ehab Mahgoub, Julie O'Brien, Ena Singh, Steven Vicik, Brian Fitzpatrick
The manufacture of biologics is a complex process involving numerous steps. Over time, differences may arise as a result of planned changes to the manufacturing processes of a biologic from the same manufacturer. Comparability is the regulatory process that outlines the scope of an assessment required of an already licensed biologic after a manufacturing process change made by the same manufacturer. The aim of a comparability assessment is to demonstrate that any pre-manufacturing and post-manufacturing changes have no adverse impact on quality, safety, and efficacy of the biologic...
October 12, 2016: Clinical Rheumatology
Linda K S Leung, Kevin Mok, Calvin Liu, Stephen L Chan
Many biologic products have improved the outcomes of cancer patients, but the costs can substantially burden healthcare systems. Biosimilar products can potentially reduce drug costs and increase patient access to beneficial treatments. Approval of a biosimilar product relies on the demonstration of "comparability" or "no clinically meaningful differences" as compared to its reference biologic product. Biosimilar products for erythropoietin, granulocyte colony-stimulating factor, trastuzumab, and rituximab are already available, and the regulatory processes in various countries are constantly evolving...
October 13, 2016: Chinese Journal of Cancer
Steven Jarrett, Theodor Dingermann
BACKGROUND: Pharmacists are the recognized experts in pharmacotherapy. With the recent introduction of biosimilar agents into the US market, pharmacists are poised to play a pivotal role in evaluating their risks versus benefits within the framework of cost containment. PURPOSE: This article provides hospital pharmacists with the necessary information on the principles surrounding the development, approval process, and use of biosimilars. METHODS: Information contained in this article enables hospital pharmacists to identify concerns relating to biosimilars, implement educational components, and successfully evaluate biosimilars for the addition to the formulary...
November 2015: Hospital Pharmacy
Silvio Danese, Stefanos Bonovas, Laurent Peyrin-Biroulet
Biologic agents have revolutionized the care management of many life-threatening and debilitating diseases. As patents for older biologic therapies have begun to expire, the market has opened to copy versions of the originators - commonly referred to as biosimilars, follow-on biologic agents or subsequent-entry biologic agents - which are expected to gain a portion of the market, reduce health-care spending and increase treatment access worldwide. Importantly for patients with IBD, CT-P13 was the first biosimilar to infliximab that obtained regulatory approval by the European Medicines Agency in September 2013 and by the FDA in April 2016...
October 12, 2016: Nature Reviews. Gastroenterology & Hepatology
W D Ludwig, S Dicheva
Biosimilar medicinal products (biosimilars) have been available in Europe for 10 years, allowing a wide use particularly in oncology. Biosimilars are being developed and approved by means of scientifically sound principles to assure close similarity with the reference products with regard to quality, efficacy, and safety. The scientific principles for establishing biosimilarity are the same as those for demonstrating comparability after a change in the manufacturing process of an already licensed biological...
October 10, 2016: Zeitschrift Für Gastroenterologie
S Lam
Pfizer's Xeljanz (tofacitinib citrate) was the first Janus kinase (JAK) inhibitor to reach the market for rheumatoid arthritis (RA) following its U.S. approval in November 2012, and it has since gained approval in more than 45 countries as a second-line therapy for RA after failure of disease-modifying antirheumatic drugs (DMARDs). This emerging category has heralded an attractive new class of oral treatment options in RA, with a notable opportunity in patients who stop responding to DMARDs, but they are facing a challenging market...
August 2016: Drugs of Today
Amit Lakhanpal, Ernest Brahn
Biologics as therapeutic interventions for human disease represent both a distinctly modern novelty and an echo of ancient, or at least old, medical practice. The similarity lies in the sense that in both the synthetic effort occurs in living organisms (an extract of a plant, animal tissue, or a cell culture) while the difference is apparent in the bioengineering required in modern methods and the corresponding flexibility to customize the therapeutic product. Although the concept of looking to living systems as a source of medically useful compounds either for research or for actual patient care has never vanished, the development of biochemistry and advances in medicinal chemistry made production by total synthesis the standard for a safe, reliable, and commercial drug production at sufficient scale...
October 6, 2016: Clinical Rheumatology
M Weise, E Wolff-Holz
Although biosimilars approved in the European Union have proved to be safe and efficacious, their licensing requirements continue to be disputed by medical professionals. In particular, extrapolation to indications of the originator without one's own clinical data of the biosimilar is controversial. Conceptually, the development of biosimilars is derived from that of generics. However, due to their complexity and inherent variability, considerably more data are necessary for biosimilars to demonstrate comparability with the originator (the reference product) than for the usually low-molecular generics...
October 6, 2016: Zeitschrift Für Gastroenterologie
Konstantinos H Katsanos, Efstratios Koutroumpakis, Eftychia Giagkou, Zikos Malakos, Eleni Almpani, Alexandros Skamnelos, Dimitrios K Christodoulou
Fast-track drug designation of safe regimens represents an emerging method of development and approval of new medications targeting debilitating diseases including inflammatory bowel diseases (IBD). The goal of accelerated drug approval pathways is to shorten the time between application and approval of therapies that treat diseases with significant morbidity and mortality. Recently, fast-track drug approval approaches were supported by data deriving from central reading of images, a method of clinical data interpretation that has significantly benefited patients with gastrointestinal disorders...
October 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
Alessandra Vultaggio, Giulia Petroni, Sara Pratesi, Francesca Nencini, Daniele Cammelli, Andrea Ferraro, Enrico Maggi, Andrea Matucci
Biological agents target disease mechanisms and have modified the natural history of several immune-mediated disorders. Biological agents are structurally immunogenic, and therefore usually elicit a minor, subclinical and transient phenomenon. Occasionally, however, these drugs induce complete cellular and humoral immune responses, with the main clinical consequences being hypersensitivity reactions or loss of treatment response. This article considers the relative pathogenic mechanisms influencing immunogenicity in biological agents and discusses mechanisms of tolerance and adaptive immune response, including adaptive T-regulatory cell induction and immune response induction...
September 2016: Journal of International Medical Research
(no author information available yet)
The drugs included in this review were approved by the US Food and Drug Administration (FDA) in 2015 and are grouped into the following categories: New Pharmaceuticals: New Molecular Entities and New Biologic License ApplicationsNew Combinations and New IndicationsNew Dosage Forms and New FormulationsNew Biosimilars, Vaccines, Viral Therapies, and Blood Products.
March 2016: American Health & Drug Benefits
Freddy Faccin, Paul Tebbey, Emily Alexander, Xin Wang, Lu Cui, Teotonio Albuquerque
INTRODUCTION: Loss of exclusivity for biological therapeutics opens the door for biosimilar development. Biosimilars must demonstrate structural, functional, and clinical similarity with a currently approved biological originator product. A therapeutic alternative for biologic-naive patients, a single switch from an originator to biosimilar has also been studied in clinically stable patients; further, switching therapy multiple times (alternating) between an originator and a biosimilar has been investigated...
September 27, 2016: Expert Opinion on Biological Therapy
Kathryn Ribay, Marlene T Kim, Wenyi Wang, Daniel Pinolini, Hao Zhu
Estrogen receptors (ERα) are a critical target for drug design as well as a potential source of toxicity when activated unintentionally. Thus, evaluating potential ERα binding agents is critical in both drug discovery and chemical toxicity areas. Using computational tools, e.g., Quantitative Structure-Activity Relationship (QSAR) models, can predict potential ERα binding agents before chemical synthesis. The purpose of this project was to develop enhanced predictive models of ERα binding agents by utilizing advanced cheminformatics tools that can integrate publicly available bioassay data...
March 2016: Front Environ Sci
A Blauvelt, L Puig, S Chimenti, R Vender, M Rajagopalan, R Romiti, L Skov, C Zachariae, H Young, E Prens, A Cohen, J van der Walt, J J Wu
Biosimilars are drugs that are similar, but not identical, to originator biologics. Pre-clinical analytical studies are required to show similarity on a molecular and structural level, but efficacy and safety studies in humans are essential to ultimately determine biosimilarity. In this review written by members of the International Psoriasis Council, we discuss how biosimilars are evaluated in a clinical setting, with emphasis on extrapolation of indication, interchangeability, and optimal clinical trial design...
September 17, 2016: British Journal of Dermatology
Krisztina B Gecse, Péter L Lakatos
Biosimilars are biologic medicines that enter the market after a patent for an original reference product expires. The European Medicines Agency (EMA) developed a stringent legislation process for biosimilar monoclonal antibodies, whereby similarity to the reference medicinal product in terms of quality characteristics, biological activity, clinical safety and efficacy must be demonstrated. Biosimilar infliximab CT-P13 was the first biosimilar monoclonal antibody to receive EMA marketing authorization, and further biosimilar molecules are being developed...
October 2016: Drugs
William Simonson
No abstract text is available yet for this article.
September 13, 2016: Geriatric Nursing
Jay B Wish, Chaim Charytan, Glenn M Chertow, Kamyar Kalantar-Zadeh, Alan S Kliger, Robert J Rubin, Jerry Yee, Steven Fishbane
Biosimilars are biologic medicines highly similar to the reference product with no meaningful clinical differences in terms of safety, purity, and potency. All biologic medicines are produced by living cells, resulting in an inherent heterogeneity in their higher order structures and post-translational modifications. In 2010, the US Congress enacted legislation to streamline the approval process for biosimilars of products losing patent protection, with the goal of decreasing costs and improving patient access to therapeutically important but expensive biologic agents...
September 3, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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