Lancet
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To assess the effects of tin (Sn)-protoporphyrin (a synthetic haem analogue) in conjunction with long wave length ultraviolet light (UVA) radiation in psoriasis 10 patients, 9 of whom were substantially or completely unresponsive to other forms of therapy, received 2.0 mumol/kg bodyweight of Sn-protoporphyrin for 1 day followed by UVA light treatment for 21 days. The average starting UVA dose was 5.6 (SD 2.0) J/cm2, and the average cumulative UVA dose was 98.3 (35.1) J/cm2. Severity of psoriatic plaques, scored clinically on a scale of 0-3 for erythema, scaling, and induration, fell from a mean score of 7.9 at the start of the study to 3.6 at the end. ⋯ The responses lasted throughout the three weeks of the study and no deleterious side-effects of the treatment were noted. Clinical follow-up for three months showed no rebound in disease activity. Sn-protoporphyrin with conventional UVA light may be useful in the treatment of psoriasis.
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Letter Case Reports
Treatment of membranous nephropathy with prednisolone and chlorambucil.