Nephrology Dialysis Transplantation, Vol 12, Issue 11 2389-2392, Copyright © 1997 by Oxford University Press
D Ducloux, V Schuller, C Bresson-Vautrin and J Chalopin
Few data are available about the muscle status in renal transplant
recipients. Moreover, the list of myotoxic drugs is growing longer and some
of them are likely to be prescribed in renal transplant patients. These
conditions may act as confounding factors in case reports of both
cyclosporin and colchicine myopathies. Moreover no study has evaluated the
frequency of myopathy in patients on both colchicine and cyclosporin. We
conducted a retrospective study including all renal transplant recipients
followed in our unit in whom colchicine was prescribed since January 1994.
Clinical and biological data of patients on both colchicine and cyclosporin
were analysed. Secondly case subjects were compared with matched controls
not receiving colchicine but cyclosporin. Ten patients received colchicine
in association with cyclosporin. Five patients (50%) experienced muscular
symptoms and when performed, muscular histology showed vacuolar myopathy.
All five patients improved after colchicine withdrawal. Cases with and
without muscular symptoms did not differ in age, transplant duration, and
serum creatinine level. Mean duration of colchicine therapy was
12.2±4.4 months in cases with muscular symptoms and
6.8±5.6 months in cases without muscular symptoms (P
<0.05). No control complained of either muscular pain nor weakness
(P <0.0005). Only one patient (3.3%) had elevated serum creatine
phosphokinase concentration (P <0.0005). We conclude that myopathy
is very frequent in patient on both colchicine and cyclosporin. Muscular
symptoms improve in all patients after colchicine withdrawal. Key
words: biological data; colchicine; cyclosporin; drug effects;
muscle; myopathy
ORIGINAL ARTICLES
Colchicine myopathy in renal transplant recipients on cyclosporin
Department of Nephrology and Renal Transplantation, Hopital saint Jacques, Besancon, France; Corresponding author
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