The British Journal of Rheumatology, Vol 37, 659-664, Copyright © 1998 by British Society for Rheumatology
W Koldingsnes, JT Gran, R Omdal and G Husby
Treatment with daily oral cyclophosphamide (CY) has improved survival in
Wegener's granulomatosis (WG), but is associated with severe and
potentially lethal adverse effects. Less toxic treatment regimens, such as
pulse CY, have been used, but the effect has been questioned. We have
treated 11 patients with WG with pulse CY (15 mg/kg initially every second
week, gradually increasing the pulse interval). After 4.5 yr follow-up and
a total of 501 pulses of CY, one patient died and eight patients (73%) were
in complete remission. Remission was induced in 91% of the patients after a
median period of 3.5 months and relapses were seen in 60%. With the same
treatment protocol, a new complete remission was induced in 75% of those
relapsing. Except for one patient who died, no patient developed end-stage
renal failure. Haemorrhagic cystitis was not observed and no malignancies
recorded. Severe infections were seen in 36%, but none caused by
Pneumocystis carinii. Nausea was the most frequent side-effect, seen in 64%
of the patients. We conclude that treatment with pulse CY every second week
is safe and effective in inducing remission and treating relapses in WG.
The relapse rate seems to be higher than with low-dose oral CY, but the
cumulative dose of CY is less.
ORIGINAL PAPERS
Wegener's granulomatosis: long-term follow-up of patients treated with pulse cyclophosphamide
Department of Rheumatology, University Hospital, Tromso, Norway.
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