Comparing DCP and DAP for Pemphigus Vulgaris

Consenting patients presenting with pemphigus vulgaris visiting Outpatient Department of Dermatology, Jinnah Postgraduate Medical Centre, Karachi, were enrolled in this study who fulfilled the inclusion criteria. Permission from the institutional ethical review committee were taken prior to conduction of study. Brief history was taken about the duration of pemphigus vulgaris, demographic data (age, gender and residence status) and written informed consent in local language (Urdu) was taken from each patient. Patients were randomly allocated using sealed opaque envelop bearing A= Dexamethasone cyclophosphamide pulse (DCP) therapy and B= and dexamethasone azathioprine pulse (DAP) therapy. Patients in group A received monthly doses of 100 mg of dexamethasone dissolved in 500 ml of 5% dextrose by slow intravenous infusion over 2 h on 3 consecutive days along with 500 mg of cyclophosphamide in the infusion on day 2. In between the pulses, patients received 50 mg of oral cyclophosphamide daily. Patients in group B, cyclophosphamide bolus dose on day 2 omitted, and a daily dose of 50 mg of azathioprine will be given throughout the pulses. Patient's blood pressure, pulse rate, heart rate was monitored every 15 min during the period of infusion. Serum electrolytes and electrocardiography was repeated after completion of each pulse. The cycles was repeated at 28-day interval starting from day 1 of the previous cycle. Response to both treatment regimens was evaluated after 3 cycle and successful treatment outcome was labeled as per operational definition. The findings of quantitative variable (age, mean PDAI score in group A and B, and duration of pemphigus vulgaris) and qualitative variables (gender, residence status, smoking status, family monthly income, occupational status and successful treatment outcome) was entered in a form.

Data was analyzed on Statistical Package for the Social Sciences software Version 22.

Inclusion criteria

• Patients with Pemphigus Vulgaris for more than one month
• Either gender
• Pemphigus Disease Area Index (PDAI) ≥ 15 points
• Age 20-60 years

Exclusion criteria

• History of Hepatitis C, B, or HIV infection
• History of connective tissue disorders, malignancy, diabetes mellitus, hypo/hyperthyroidism
• Pregnant patients
• History of congestive cardiac failure, chronic liver disease, asthma, chronic obstructive pulmonary disease and stroke