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Patisiran

Patisiran, sold under the brand name Onpattro, is a medication used for the treatment of polyneuropathy in people with hereditary transthyretin-mediated amyloidosis,[7] a fatal rare disease that is estimated to affect 50,000 people worldwide.[8][9]

Patisiran
Clinical data
Trade namesOnpattro
Other namesALN-18328
AHFS/Drugs.comMonograph
License data
Pregnancy
category
Routes of
administration		Intravenous
ATC code
Legal status
Legal status
Identifiers
CAS Number
DrugBank
UNII
KEGG
Chemical and physical data
FormulaC412H520N148O290P40
Molar mass13424.388 g·mol−1

It is the first small interfering RNA-based drug approved by the U.S. Food and Drug Administration (FDA) and the first drug approved by the FDA to treat this condition.[8] It is a gene silencing drug that interferes with the production of an abnormal form of transthyretin.[10] Patisiran utilizes a novel approach to target and reduce production of the TTR protein in the liver via the RNAi pathway.[11]

Patisiran was developed and is marketed by Alnylam.[12] The FDA considers it to be a first-in-class medication.[13]

History

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Patisiran was granted orphan drug status, fast track designation, priority review and breakthrough therapy designation due to its novel mechanism and the rarity of the condition it treats.[14][15] It was approved for medical use in the United States and in the European Union in August 2018.[16][17] The per-patient cost is between US$451,430 and US$677,145 per year, depending on the number of vials needed.[18]

[19][20]

Formulation

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The siRNA active component of Patisiran is formulated into lipid nanoparticles, which protect the RNA and facilitate its delivery to target tissues. The lipid nanoparticle formulation includes buffer components, as well as the lipid components DLin-MC3-DMA, Distearoylphosphatidylcholine, cholesterol, and the PEGylated lipid DMG-PEG 2000.[21]

Society and culture

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Economics

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As of 2020, there were 1050 people globally receiving patisiran, generating $65.5M in net-revenues for Alnylam Pharmaceuticals.[22][23]

References

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  1. ^ a b "Onpattro". Therapeutic Goods Administration (TGA). 2 December 2022. Archived from the original on 5 February 2023. Retrieved 28 April 2023.
  2. ^ "Updates to the Prescribing Medicines in Pregnancy database". Therapeutic Goods Administration (TGA). 21 December 2022. Archived from the original on 3 April 2022. Retrieved 2 January 2023.
  3. ^ "Onpattro patisiran 10 mg/5 mL concentrated injection for infusion vial (380813)". Therapeutic Goods Administration (TGA). 22 November 2022. Archived from the original on 18 December 2022. Retrieved 28 April 2023.
  4. ^ "Onpattro (Alnylam Australia Pty Ltd)". Therapeutic Goods Administration (TGA). 5 December 2022. Archived from the original on 27 March 2023. Retrieved 28 April 2023.
  5. ^ "Onpattro PI" (PDF). Archived from the original (PDF) on 30 May 2022.
  6. ^ "Summary Basis of Decision (SBD) for Onpattro". Health Canada. 23 October 2014. Archived from the original on 31 May 2022. Retrieved 29 May 2022.
  7. ^ a b "Onpattro- patisiran injection, lipid complex". DailyMed. U.S. National Library of Medicine. 10 May 2021. Archived from the original on 4 May 2022. Retrieved 9 June 2022.
  8. ^ a b Loftus P (10 August 2018). "New Kind of Drug, Silencing Genes, Gets FDA Approval". The Wall Street Journal. Archived from the original on 10 August 2018. Retrieved 10 August 2018.
  9. ^ Elafros MA, Kvalsund MP, Callaghan BC (June 2022). "The Global Burden of Polyneuropathy-In Need of an Accurate Assessment". JAMA Neurology. 79 (6): 537–538. doi:10.1001/jamaneurol.2022.0565. PMC 9197927. PMID 35404377. S2CID 248083689.
  10. ^ Kristen AV, Ajroud-Driss S, Conceição I, Gorevic P, Kyriakides T, Obici L (February 2019). "Patisiran, an RNAi therapeutic for the treatment of hereditary transthyretin-mediated amyloidosis". Neurodegenerative Disease Management. 9 (1): 5–23. doi:10.2217/nmt-2018-0033. PMID 30480471.
  11. ^ "Onpattro (patisiran)". www.centerwatch.com. Archived from the original on 24 June 2021. Retrieved 18 June 2021.
  12. ^ Reidy C (22 October 2012). "Alnylam, Genzyme Form Alliance". The Boston Globe. Archived from the original on 7 May 2021. Retrieved 5 May 2021.
  13. ^ New Drug Therapy Approvals 2018 (PDF). U.S. Food and Drug Administration (FDA) (Report). January 2019. Archived from the original on 17 September 2020. Retrieved 16 September 2020.
  14. ^ "FDA approves first-of-its kind targeted RNA-based therapy to treat a rare disease" (Press release). U.S. Food and Drug Administration (FDA). 10 August 2018. Archived from the original on 7 September 2018. Retrieved 11 August 2018.
  15. ^ Brooks M (10 August 2018). "FDA OKs Patisiran (Onpattro) for Polyneuropathy in hAATR". Medscape. WebMD. Archived from the original on 4 July 2019. Retrieved 10 August 2018.
  16. ^ "Drug Approval Package: Onpattro (patisiran)". U.S. Food and Drug Administration (FDA). 7 September 2018. Archived from the original on 12 April 2021. Retrieved 2 September 2020.
  17. ^ "Onpattro EPAR". European Medicines Agency (EMA). 17 September 2018. Archived from the original on 8 November 2020. Retrieved 2 September 2020.
  18. ^ "Executive Summary". Pharmacoeconomic Review Report: Patisiran (Onpattro) (Alnylam Netherlands B.V.): Indication: Treatment of polyneuropathy in adult patients with hereditary transthyretin-mediated amyloidosis [Internet]. Ottawa (ON): Canadian Agency for Drugs and Technologies in Health. August 2019. Archived from the original on 20 October 2021. Retrieved 3 April 2021 – via National Center for Biotechnology Information.{{cite book}}: CS1 maint: location missing publisher (link)
  19. ^ Lipschultz B, Cortez M (10 August 2018). "Rare-Disease Treatment From Alnylam to Cost $450,000 a Year". Bloomberg. Archived from the original on 14 November 2019. Retrieved 11 August 2018.
  20. ^ "Onpattro Prices, Coupons & Patient Assistance Programs". Drugs.com. Archived from the original on 24 June 2021. Retrieved 23 June 2021.
  21. ^ Akinc A, Maier MA, Manoharan M, Fitzgerald K, Jayaraman M, Barros S, et al. (December 2019). "The Onpattro story and the clinical translation of nanomedicines containing nucleic acid-based drugs" (PDF). Nature Nanotechnology. 14 (12): 1084–1087. Bibcode:2019NatNa..14.1084A. doi:10.1038/s41565-019-0591-y. PMID 31802031. S2CID 208621038. Archived (PDF) from the original on 19 February 2024. Retrieved 10 March 2024.
  22. ^ "Patisiran and Vutrisiran, in development for the Treatment of Transthyretin-Mediated Amyloidosis" (PDF). Alnylam Pharmaceuticals. Archived (PDF) from the original on 9 October 2021.
  23. ^ "Alnylam Pharmaceuticals Reports Fourth Quarter and Full Year 2020 Financial Results and Highlights Recent Period Activity" (Press release). Alnylam. 11 February 2021. Archived from the original on 24 June 2021. Retrieved 23 June 2021 – via Business Wire.
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