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  • Lithium in patients with amyotrophic lateral sclerosis (LiCALS): A phase 3 multicentre, randomised, double-blind,placebo-controlled trial

    Author(s)
    Al-Chalabi, A
    Allen, C
    Counsell, C
    Farrin, A
    Dickie, B
    Kelly, J
    Leigh, PN
    Murphy, CL
    Payan, C
    Reynolds, G
    Shaw, P
    Steen, IN
    Thornhill, M
    Waters, J
    Zajicek, J
    Leigh, PN
    Shaw, PJ
    Young, CA
    Thornhill, M
    Steen, IN
    Murphy, CL
    Morrison, KE
    Dhariwal, S
    Hornabrook, R
    Savage, L
    Burn, DJ
    Khoo, TK
    J Kelly
    C L Murphy
    Dougherty, A
    Leigh, PN
    Wijesekera, L
    Thornhill, M
    Ellis, CM
    O'Hanlon, K
    Panicker, J
    Pate, L
    Ray, P
    Wyatt, L
    Young, CA
    Copeland, L
    Ealing, J
    Hamdalla, H
    Leroi, I
    Murphy, C
    O'Keeffe, F
    Oughton, E
    Partington, L
    Paterson, P
    Rog, D
    Sathish, A
    Sexton, D
    Smith, J
    Vanek, H
    Dodds, S
    Williams, TL
    Steen, IN
    Clarke, J
    Eziefula, C
    Howard, R
    Orrell, R
    Sidle, K
    Sylvester, R
    Barrett, W
    Merritt, C
    Talbot, K
    Turner, MR
    Whatley, C
    Williams, C
    Williams, J
    Cosby, C
    Hanemann, CO
    Imam, I
    Phillips, C
    Timings, L
    Crawford, SE
    Hewamadduma, C
    Hibberd, R
    Hollinger, H
    McDermott, C
    Mills, G
    Rafiq, M
    Shaw, PJ
    Taylor, A
    Waines, E
    Walsh, T
    Addison-Jones, R
    Birt, J
    Hare, M
    Majid, T
    Griffith University Author(s)
    Khoo, Tien Kheng
    Year published
    2013
    Metadata
    Show full item record
    Abstract
    Background Lithium has neuroprotective eff ects in cell and animal models of amyotrophic lateral sclerosis (ALS), and a small pilot study in patients with ALS showed a signifi cant eff ect of lithium on survival. We aimed to assess whether lithium improves survival in patients with ALS. Methods The lithium carbonate in amyotrophic lateral sclerosis (LiCALS) trial is a randomised, double-blind, placebocontrolled trial of oral lithium taken daily for 18 months in patients with ALS. Patients aged at least 18 years who had ALS according to the revised El Escorial criteria, had disease duration between 6 and 36 months, and were ...
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    Background Lithium has neuroprotective eff ects in cell and animal models of amyotrophic lateral sclerosis (ALS), and a small pilot study in patients with ALS showed a signifi cant eff ect of lithium on survival. We aimed to assess whether lithium improves survival in patients with ALS. Methods The lithium carbonate in amyotrophic lateral sclerosis (LiCALS) trial is a randomised, double-blind, placebocontrolled trial of oral lithium taken daily for 18 months in patients with ALS. Patients aged at least 18 years who had ALS according to the revised El Escorial criteria, had disease duration between 6 and 36 months, and were taking riluzole were recruited from ten centres in the UK. Patients were randomly assigned (1:1) to receive either lithium or matched placebo tablets. Randomisation was via an online system done at the level of the individual by block randomisation with randomly varying block sizes, stratified by study centre and site of disease onset (limb or bulbar). All patients and assessing study personnel were masked to treatment assignment. The primary endpoint was the rate of survival at 18 months and was analysed by intention to treat. This study is registered with Eudract, number 2008-006891-31. Findings Between May 26, 2009, and Nov 10, 2011, 243 patients were screened, 214 of whom were randomly assigned to receive lithium (107 patients) or placebo (107 patients). Two patients discontinued treatment and one died before the target therapeutic lithium concentration could be achieved. 63 (59%) of 107 patients in the placebo group and 54 (50%) of 107 patients in the lithium group were alive at 18 months. The survival functions did not diff er signifi cantly between groups (Mantel-Cox log-rank χ2 on 1 df=1·64; p=0·20). After adjusting for study centre and site of onset using logistic regression, the relative odds of survival at 18 months (lithium vs placebo) was 0·71 (95% CI 0·40–1·24). 56 patients in the placebo group and 61 in the lithium group had at least one serious adverse event. Interpretation We found no evidence of benefit of lithium on survival in patients with ALS, but nor were there safety concerns, which had been identified in previous studies with less conventional designs. This finding emphasises the importance of pursuing adequately powered trials with clear endpoints when testing new treatments. Funding The Motor Neurone Disease Association of Great Britain and Northern Ireland.
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    Journal Title
    The Lancet Neurology
    Volume
    12
    Issue
    4
    DOI
    https://doi.org/10.1016/S1474-4422(13)70037-1
    Subject
    Clinical sciences
    Neurosciences
    Publication URI
    http://hdl.handle.net/10072/55874
    Collection
    • Journal articles

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