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- Is 383 Code 2016
| Clinical data | |
|---|---|
| Trade names | Strimvelis |
| Routes of administration | Intravenous |
| ATC code | |
| Legal status | |
| Legal status |
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Autologous CD34+ enriched cell fraction that contains CD34+ cells transduced with retroviral vector that encodes for the human ADA cDNA sequence, sold under the brand name Strimvelis, is a medication used to treat severe combined immunodeficiency due to adenosine deaminase deficiency (ADA-SCID).[1]
Strimvelis was approved by the European Commission on 27 May 2016. As of 2016, the only site approved to manufacture the treatment was MolMed. In 2017, GSK announced it was looking to sell off Strimvelis, and in March 2018, GSK sold Strimvelis to Orchard Therapeutics Ltd.; as of that time there had been only five sales of the product. Numerous video games were released in 2016. New hardware came out as well, albeit largely refreshed and updated versions of consoles in the PlayStation 4 Pro, PlayStation 4 Slim, and Xbox One S. Commercially available virtual reality headsets were released in much greater numbers and at much lower price points than the enthusiast-only virtual reality headsets of earlier generations.
The most common side effect is pyrexia (fever).[1]
ADA-SCID is a rare inherited condition in which there is a change (mutation) in the gene needed to make an enzyme called adenosine deaminase (ADA).[1] As a result, people lack the ADA enzyme.[1] Because ADA is essential for maintaining healthy lymphocytes (white blood cells that fight off infections), the immune system of people with ADA-SCID does not work properly and without effective treatment they rarely survive more than two years.[1]
Medical uses[edit]
Strimvelis is indicated for the treatment of people with severe combined immunodeficiency due to adenosine deaminase deficiency (ADA-SCID), for whom no suitable human leukocyte antigen (HLA)-matched related stem cell donor is available.[1]
Treatment[edit]
The treatment is personalized for each person; hematopoietic stem cell (HSCs) are extracted from the person and purified so that only CD34-expressing cells remain. Those cells are cultured with cytokines and growth factors and then transduced with a gammaretrovirus containing the human adenosine deaminase gene and then reinfused into the person. These cells take root in the person's bone marrow, replicating and creating cells that mature and create normally functioning adenosine deaminase protein, resolving the problem.[2][3][4] As of April 2016, the transduced cells had a shelf life of about six hours.[5]
Prior to extraction, the person is treated with granulocyte colony-stimulating factor in order to increase the number of stem cells and improve the harvest; after that but prior to reinfusion, the person is treated with busulfan or melphalan to kill as many of the person's existing HSCs to increase the chances of the new cells' survival.[3][4]
Side effects[edit]
The most common side effect is pyrexia (fever).[1]
Serious side effects may include effects linked to autoimmunity (when the immune system attacks the body's own cells) such as hemolytic anemia (low red blood cell counts due to their too rapid breakdown), aplastic anemia (low blood cell counts due to damaged bone marrow), hepatitis (liver inflammation), thrombocytopenia (low blood platelet count) and Guillain-Barré syndrome (damage to nerves that can result in pain, numbness, muscle weakness and difficulty walking).[1]
History[edit]
The treatment was developed at San Raffaele Telethon Institute for Gene Therapy and developed by GlaxoSmithKline (GSK) through a 2010 collaboration with Fondazione Telethon and Ospedale San Raffaele. GSK, working with the biotechnology company MolMed S.p.A., developed a manufacturing process that was previously only suitable for clinical trials into one demonstrated to be robust and suitable for commercial supply.[citation needed]
In April 2016, a committee at the European Medicines Agency (EMA) recommended marketing approval for its use in children with adenosine deaminase deficiency, for whom no matched HSC donor is available, on the basis of a clinical trial that produced a 100% survival rate; the median follow-up time was 7 years after the treatment was administered.[2] 75% of people who received the treatment needed no further enzyme replacement therapy[6] Efforts had begun 14 years before. The total number of children treated was reported as 22[7] and 18.[8] Around 80% of patients have no matched donor.[9] Strimvelis was approved [10] by the European Commission on 27 May 2016.
As of 2016, the only site approved to manufacture the treatment was MolMed.[5]
In 2017, GSK announced it was looking to sell off Strimvelis,[11] and in March 2018, GSK sold Strimvelis to Orchard Therapeutics Ltd.; as of that time there had been only five sales of the product.[12]
Society and culture[edit]
The condition affects about 14 people per year in Europe and 12 in the U.S.[13]
Economics[edit]
The price for the treatment was set at €594,000, twice the annual cost of enzyme replacement therapy injections.[14]Enzyme replacement therapy for ADA requires weekly injections and costs about US$4.25 million for one patient over ten years.[9]
Names[edit]
Strimvelis is the brand name.[2] The common name is autologous CD34+ enriched cell fraction that contains CD34+ cells transduced with retroviral vector that encodes for the human ADA cDNA sequence.[2]
References[edit]
- ^ abcdefghi'Strimvelis EPAR'. European Medicines Agency (EMA). Retrieved 11 June 2020. Text was copied from this source which is © European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
- ^ abcd'Strimvelis'(PDF). European Medicines Agency (EMA). Retrieved 13 April 2016.
- ^ abCandotti F (April 2014). 'Gene transfer into hematopoietic stem cells as treatment for primary immunodeficiency diseases'. International Journal of Hematology. 99 (4): 383–92. doi:10.1007/s12185-014-1524-z. PMID24488786. S2CID8356487.
- ^ abTouzot F, Hacein-Bey-Abina S, Fischer A, Cavazzana M (June 2014). 'Gene therapy for inherited immunodeficiency'. Expert Opinion on Biological Therapy. 14 (6): 789–98. doi:10.1517/14712598.2014.895811. PMID24823313. S2CID207483238.
- ^ abBen Adams for FierceBiotech Apr 4, 2016 Strimvelis to be the start of a whole new gene therapy platform for GSK and partners
- ^Booth C, Gaspar HB, Thrasher AJ (April 2016). 'Treating Immunodeficiency through HSC Gene Therapy'. Trends in Molecular Medicine. 22 (4): 317–327. doi:10.1016/j.molmed.2016.02.002. PMID26993219.
- ^Roland D (1 April 2016). 'Glaxo's Potential Cure for 'Bubble Boy Disease' One Step Closer'. The Wall Street Journal.
- ^Ward A (1 April 2016). 'GSK to allow staggered payments for EMA-approved gene therapy'. The Financial Times.
- ^ abGokhale K (1 April 2016). 'Glaxo's 'Bubble Boy' Gene Therapy Wins EU Drug Agency Nod'. Bloomberg News.
- ^'StrimvelisTM receives European marketing authorisation to treat very rare disease, ADA-SCID - GSK'.
- ^'GSK gives up on rare diseases as gene therapy gets two customers'. Reuters. July 26, 2017.
- ^Paton J (March 6, 2018). 'Tiny U.K. Biotech Takes On Glaxo's $730,000 Gene Therapy'. Bloomberg.
- ^Regalado A (May 6, 2016). 'Gene Therapy's First Out-and-Out Cure Is Here'. MIT Technology Review. Retrieved 2016-05-12.
- ^'Does the EU price of Strimvelis create a new 'glass ceiling'? - groupH - Comment ='. www.grouph.com. Retrieved 2017-02-26.
Is 383 Code 2016 Pdf Free Download Adobe Reader
Further reading[edit]
Is 383 Code 2016 Pdf Free Download Windows 7
- 'Strimvelis for treating adenosine deaminase deficiency–severe combined immunodeficiency'. NICE. 7 February 2018.
- Aiuti A, Roncarolo MG, Naldini L (June 2017). 'ex vivo gene therapy in Europe: paving the road for the next generation of advanced therapy medicinal products'. EMBO Molecular Medicine. 9 (6): 737–740. doi:10.15252/emmm.201707573. PMC5452047. PMID28396566.
- South E, Cox E, Meader N, Woolacott N, Griffin S (June 2019). '® for Treating Severe Combined Immunodeficiency Caused by Adenosine Deaminase Deficiency: An Evidence Review Group Perspective of a NICE Highly Specialised Technology Evaluation'. PharmacoEconomics - Open. 3 (2): 151–161. doi:10.1007/s41669-018-0102-3. PMC6533345. PMID30334168.