Familial amyloidosis medical therapy: Difference between revisions
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*The need for better therapies has resulted in the development of a number of novel strategies, and some of these have been assessed in clinical trials. These therapies may slow or halt progression of familial ATTR amyloidosis. | *The need for better therapies has resulted in the development of a number of novel strategies, and some of these have been assessed in clinical trials. These therapies may slow or halt progression of familial ATTR amyloidosis. | ||
**Tafamidis | **Tafamidis | ||
***2-(3,5–dichloro–phenyl)-benzox-azole-6-carboxylic acid is an orally administered drug that acts to stabilize the TTR tetramer through its affinity for the T4-binding site, and it does not carry the risks associated with nonsteroidal anti-inflammatory drug use. | ***2-(3,5–dichloro–phenyl)-benzox-azole-6-carboxylic acid is an orally administered drug that acts to stabilize the TTR tetramer through its affinity for the T4-binding site, and it does not carry the risks associated with nonsteroidal anti-inflammatory drug use.<ref name="pmid22645360">{{cite journal| author=Bulawa CE, Connelly S, Devit M, Wang L, Weigel C, Fleming JA et al.| title=Tafamidis, a potent and selective transthyretin kinetic stabilizer that inhibits the amyloid cascade. | journal=Proc Natl Acad Sci U S A | year= 2012 | volume= 109 | issue= 24 | pages= 9629-34 | pmid=22645360 | doi=10.1073/pnas.1121005109 | pmc=3386102 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22645360 }}</ref> | ||
*** | ***Recently approved for familial amyloid polyneuropathy (FAP) in Europe.<ref name="pmid301459292">{{cite journal| author=Maurer MS, Schwartz JH, Gundapaneni B, Elliott PM, Merlini G, Waddington-Cruz M et al.| title=Tafamidis Treatment for Patients with Transthyretin Amyloid Cardiomyopathy. | journal=N Engl J Med | year= 2018 | volume= 379 | issue= 11 | pages= 1007-1016 | pmid=30145929 | doi=10.1056/NEJMoa1805689 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30145929 }}</ref> | ||
***This agent is being tested in ongoing trials for other forms of ATTR. | ***This agent is being tested in ongoing trials for other forms of ATTR. | ||
**Patisiran and Inoteresen are TTR gene silencers. Recently FDA approved their use for ATTRm amyloidosis with peripheral neuropathy.<ref name="pmid29972757">{{cite journal| author=Benson MD, Waddington-Cruz M, Berk JL, Polydefkis M, Dyck PJ, Wang AK et al.| title=Inotersen Treatment for Patients with Hereditary Transthyretin Amyloidosis. | journal=N Engl J Med | year= 2018 | volume= 379 | issue= 1 | pages= 22-31 | pmid=29972757 | doi=10.1056/NEJMoa1716793 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29972757 }}</ref> | **Patisiran and Inoteresen are TTR gene silencers. Recently FDA approved their use for ATTRm amyloidosis with peripheral neuropathy.<ref name="pmid29972757">{{cite journal| author=Benson MD, Waddington-Cruz M, Berk JL, Polydefkis M, Dyck PJ, Wang AK et al.| title=Inotersen Treatment for Patients with Hereditary Transthyretin Amyloidosis. | journal=N Engl J Med | year= 2018 | volume= 379 | issue= 1 | pages= 22-31 | pmid=29972757 | doi=10.1056/NEJMoa1716793 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29972757 }}</ref> |
Revision as of 14:46, 30 October 2019
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Roukoz A. Karam, M.D.[2]
Overview
Medical Therapy
- The optimal therapy for familial amyloidosis is removal of the source of abnormal TTR production.
- The liver is the dominant source of transthyretin; hence, in patients with less advanced disease, liver transplant may be performed.
- Patients with severe heart involvement may benefit from a heart transplant.
- The need for better therapies has resulted in the development of a number of novel strategies, and some of these have been assessed in clinical trials. These therapies may slow or halt progression of familial ATTR amyloidosis.
- Tafamidis
- 2-(3,5–dichloro–phenyl)-benzox-azole-6-carboxylic acid is an orally administered drug that acts to stabilize the TTR tetramer through its affinity for the T4-binding site, and it does not carry the risks associated with nonsteroidal anti-inflammatory drug use.[1]
- Recently approved for familial amyloid polyneuropathy (FAP) in Europe.[2]
- This agent is being tested in ongoing trials for other forms of ATTR.
- Patisiran and Inoteresen are TTR gene silencers. Recently FDA approved their use for ATTRm amyloidosis with peripheral neuropathy.[3]
- Diflunisal is a nonsteroidal anti-inflammatory drug that stabilizes tetrameric TTR in vitro by binding via the thyroid hormone receptor sites
- Tafamidis
- Genetic counseling is recommended for individuals with hereditary amyloidosis and their family members.
References
- ↑ Bulawa CE, Connelly S, Devit M, Wang L, Weigel C, Fleming JA; et al. (2012). "Tafamidis, a potent and selective transthyretin kinetic stabilizer that inhibits the amyloid cascade". Proc Natl Acad Sci U S A. 109 (24): 9629–34. doi:10.1073/pnas.1121005109. PMC 3386102. PMID 22645360.
- ↑ Maurer MS, Schwartz JH, Gundapaneni B, Elliott PM, Merlini G, Waddington-Cruz M; et al. (2018). "Tafamidis Treatment for Patients with Transthyretin Amyloid Cardiomyopathy". N Engl J Med. 379 (11): 1007–1016. doi:10.1056/NEJMoa1805689. PMID 30145929.
- ↑ Benson MD, Waddington-Cruz M, Berk JL, Polydefkis M, Dyck PJ, Wang AK; et al. (2018). "Inotersen Treatment for Patients with Hereditary Transthyretin Amyloidosis". N Engl J Med. 379 (1): 22–31. doi:10.1056/NEJMoa1716793. PMID 29972757.