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Eprotirome in patie...
Eprotirome in patients with familial hypercholesterolaemia (the AKKA trial): a randomised, double-blind, placebo-controlled phase 3 study
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- Sjouke, Barbara (författare)
- Academic Medical Centre, Netherlands
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- Langslet, Gisle (författare)
- Oslo University Hospital, Norway
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- Ceska, Richard (författare)
- Charles University of Prague, Czech Republic Charles University of Prague, Czech Republic
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- Nicholls, Stephen J. (författare)
- Cleveland Clin, OH 44106 USA University of Adelaide, Australia University of Adelaide, Australia
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- Nissen, Steven E. (författare)
- Cleveland Clin, OH 44106 USA
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- Ohlander, Maria (författare)
- Karolinska Institute, Sweden
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- Ladenson, Paul W. (författare)
- Johns Hopkins Medical Institute, MD 21205 USA
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- Olsson, Anders (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kardiovaskulär medicin,Hälsouniversitetet,Endokrinmedicinska kliniken
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- Hovingh, G. Kees (författare)
- Academic Medical Centre, Netherlands
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- Kastelein, John J. P. (författare)
- Academic Medical Centre, Netherlands
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(creator_code:org_t)
- Elsevier: Lancet, 2014
- 2014
- Engelska.
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Ingår i: LANCET DIABETES and ENDOCRINOLOGY. - : Elsevier: Lancet. - 2213-8587 .- 2213-8595. ; 2:6, s. 455-463
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
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- Background Eprotirome is a liver-selective thyroid hormone receptor agonist that has been shown to lower plasma LDL cholesterol concentrations in previous phase 1 and 2 studies of patients with dyslipidaemia. We aimed to assess the long-term safety and efficacy of 50 mu g and 100 mu g eprotirome in patients with familial hypercholesterolaemia. Methods For this randomised, double-blind, placebo-controlled, parallel-group, phase 3 clinical trial, we enrolled patients between Oct 3, 2011, and Feb 14, 2012, at 53 sites in 11 countries in Europe, Africa, and south Asia. Patients were eligible for enrolment if they were aged 18 years or older, diagnosed with heterozygous familial hypercholesterolaemia, and had not reached target LDL cholesterol concentrations after at least 8 weeks of statin therapy with or without ezetimibe. We used a computer-generated randomisation sequence to allocate patients to one of three groups: 50 mu g eprotirome, 100 mu g eprotirome, or placebo. This trial was planned for 52-76 weeks, with primary efficacy analysis at 12 weeks, but it was prematurely terminated when another study found that eprotirome causes cartilage damage in dogs. Although it was impossible to meet the predefined study outcomes, we analysed changes in the concentrations of LDL cholesterol and other lipids, liver parameters, thyroid hormone concentrations, and adverse effects of treatment with eprotirome versus placebo at 6 weeks of treatment. Analysis was done in all patients who received 6 weeks of treatment. This study is registered with ClinicalTrials.gov, number NCT01410383. Findings We enrolled 236 patients, randomly allocating 80 to receive placebo, 79 to receive 50 mu g eprotirome, and 77 to receive 100 mu g eprotirome. 69 patients reached the 6 week timepoint (23 given placebo, 24 given 50 mu g eprotirome, and 22 given 100 mu g eprotirome). Mean LDL cholesterol concentrations increased by 9% (95% CI -2 to 20) in the placebo group, decreased by 12% (-28 to 4%; p=0.0677 vs placebo) in the 50 mu g eprotirome group, and decreased by 22% (-32 to -13%; p=0.0045 vs placebo) in the 100 mu g eprotirome group. We noted statistically significant increases between both eprotirome groups and placebo in aspartate aminotransferase (AST; pless than0.0001), alanine aminotransferase (ALT; pless than0.0001), conjugated bilirubin (p=0.0006), and gamma-glutamyltranspeptidase (pless than0.0001). Four patients had to discontinue or interrupt study treatment before trial termination due to AST increases between the upper limit of normal (ULN) and six times ULN, and ALT concentrations between three and seven times ULN. Although we detected no changes in serum concentrations of thyroid-stimulating hormone or free tri-iodothyronine, free tetra-iodothyronine decreased by 19% (23 to 16) in the 50 mu g eprotirome group and 27% (30 to 23) in the 100 mu g eprotirome group (pless than0.0001 vs placebo for both groups). Interpretation Our findings show that eprotirome can lower LDL cholesterol concentrations in patients with familial hypercholesterolaemia when added to conventional statin treatment with or without ezetimibe, but that it has the potential to induce liver injury. These findings, along with findings of cartilage damage in dogs, raise serious doubts about selective thyroid hormone mimetics as a therapeutic approach to lower LDL cholesterol concentrations.
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- MEDICIN
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Sjouke, Barbara
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Langslet, Gisle
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Ceska, Richard
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Nicholls, Stephe ...
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Nissen, Steven E ...
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Ohlander, Maria
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Ladenson, Paul W ...
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Olsson, Anders
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Hovingh, G. Kees
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Kastelein, John ...
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LANCET DIABETES ...
- Av lärosätet
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Linköpings universitet
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Karolinska Institutet