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  • Coelho, Teresa (author)

Long-term effects of tafamidis for the treatment of transthyretin familial amyloid polyneuropathy

  • Article/chapterEnglish2013

Publisher, publication year, extent ...

  • 2013-08-22
  • Springer Berlin/Heidelberg,2013
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-83702
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-83702URI
  • https://doi.org/10.1007/s00415-013-7051-7DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Tafamidis, a transthyretin (TTR) kinetic stabilizer, delayed neuropathic progression in patients with Val30Met TTR familial amyloid polyneuropathy (TTR-FAP) in an 18-month randomized controlled trial (study Fx-005). This 12-month, open-label extension study evaluated the long-term safety, tolerability, and efficacy of tafamidis 20 mg once daily in 86 patients who earlier received blinded treatment with tafamidis or placebo. Efficacy measures included the Neuropathy Impairment Score in the Lower Limbs (NIS-LL), Norfolk Quality of Life-Diabetic Neuropathy total quality of life (TQOL) score, and changes in neurologic function and nutritional status. We quantified the monthly rates of change in efficacy measures, and TTR stabilization, and monitored adverse events (AEs). Patients who continued on tafamidis had stable rates of change in NIS-LL (from 0.08 to 0.11/month; p = 0.60) and TQOL (from -0.03 to 0.25; p = 0.16). In patients switched from placebo, the monthly rate of change in NIS-LL declined (from 0.34 to 0.16/month; p = 0.01), as did TQOL score (from 0.61 to -0.16; p < 0.001). Patients treated with tafamidis for 30 months had 55.9 % greater preservation of neurologic function as measured by the NIS-LL than patients in whom tafamidis was initiated later. Plasma TTR was stabilized in 94.1 % of patients treated with tafamidis for 30 months. AEs were similar between groups; no patients discontinued because of an AE. Long-term tafamidis was well tolerated, with the reduced rate of neurologic deterioration sustained over 30 months. Tafamidis also slowed neurologic impairment in patients previously given placebo, but treatment benefits were greater when tafamidis was begun earlier.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Maia, Luis F (author)
  • da Silva, Ana Martins (author)
  • Cruz, Márcia W (author)
  • Planté-Bordeneuve, Violaine (author)
  • Suhr, Ole BUmeå universitet,Medicin(Swepub:umu)olsu0002 (author)
  • Conceiçao, Isabel (author)
  • Schmidt, Hartmut H-J (author)
  • Trigo, Pedro (author)
  • Kelly, Jeffery W (author)
  • Labaudinière, Richard (author)
  • Chan, Jason (author)
  • Packman, Jeff (author)
  • Grogan, Donna R (author)
  • Umeå universitetMedicin (creator_code:org_t)

Related titles

  • In:Journal of Neurology: Springer Berlin/Heidelberg260:11, s. 2802-28140340-53541432-1459

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