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Biomedical subjects

D Parsad

Publications and source records attributed to D Parsad.

24 records · Page 2Linked to original sources
PubMedDate not supplied

Calcipotriol in vitiligo: a preliminary study.

A large variety of therapeutic agents have been tried for the treatment of vitiligo, but psoralens continue to be the main treatment. Twenty-one patients age 5 to 17 years with vitiligo were enrolled in this study. The children were advised to apply calcipotriol 50 microg/g in the evening and expose themselves to sunlight the next day for 10 to 15 minutes. The patients were followed at 3-week intervals. Initial repigmentation occurred in the majority of children after 6 to 12 weeks of treatment. Marked to complete repigmentation was seen in 10 of 18 patients. Four patients showed moderate improvement while the remaining four patients showed minimal or no improvement. No patient developed new lesions. The repigmentation was cosmetically excellent in the majority of children. All patients tolerated the calcipotriol well except for three patients who complained of mild irritation on application. All of the laboratory investigations, including serum calcium levels remained normal. The rationale for this study originated from recent advances in the understanding of vitiligo at the molecular level. Furthermore, development of hyperpigmentation in patients with psoriasis receiving treatment with PUVA and calcipotriol has been observed. Our results are encouraging and offer a new and potentially efficacious treatment for this pigmentation disorder in children.

Administration, Cutaneous↗
PubMedDate not supplied

Cimetidine and levamisole versus cimetidine alone for recalcitrant warts in children.

Various immunomodulating agents have been used in the treatment of recalcitrant warts, but none is uniformly effective. Aggressive surgical therapy of warts in children is painful and may require general anesthesia. Drugs such as cimetidine and levamisole have been tried with varying success rates. Given the different target of activities of immunomodulation by cimetidine and levamisole, we questioned whether the combination might be more effective and conducted a double-blind comparative trial of a combination of cimetidine and levamisole versus cimetidine alone. Forty-four patients with multiple recalcitrant warts were assigned to one of two treatment groups (groups A and B) in double-blind fashion. Of the 44 patients, 19 in group A and 20 in group B could be evaluated. At the end of therapy, cure rates (complete clearance) obtained were 31.5% of those in group A and 65% of those in group B (combination treatment). A statistically significant improvement was seen in patients treated with the combination of levamisole and cimetidine (p=0.0150). The rate of regression was faster in group B (average regression period of 7.8 weeks compared with 11 weeks in group A). The present study demonstrated that the combination of cimetidine with levamisole is more effective than cimetidine alone and is a highly effective therapy for the treatment of recalcitrant warts.

Child↗