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  • Title: Combined 12-month WHO/MDT MB regimen and Mycobacterium w. vaccine in multibacillary leprosy: a follow-up of 136 patients.
    Author: Kaur I, Dogra S, Kumar B, Radotra BD.
    Journal: Int J Lepr Other Mycobact Dis; 2002 Sep; 70(3):174-81. PubMed ID: 12483965.
    Abstract:
    A total of 136 patients with BI > or = 2 having been followed up for at least 2 years or more were included in the analyses. Seventy-seven out of 136 patients had completed three years follow up. All patients were given WHO/MDT MB regimen for 12 months and additionally 4 doses of Mycobacterium w. vaccine at 3-month intervals. The age of the patients varied from 6 to 77 years (mean 34 +/- 11.3 years) and they had the disease varying from 3 months to 7 years (mean = 1.9 +/- 1.4 years). The mean of the BI before starting treatment was 3.6 +/- 1.3. At the end of 2 years follow-up, a total of 54 patients out of the 136 (39.7%) had become smear-negative. A larger proportion of patients, 39/46 (84.8%) with BI of < or = 3 had become smear-negative, whereas, only 10/32 (31.3%) patients with BI between 3.1 to 4 and 5/58 (8.6%) highly bacillated patients having initial BI > 4 had become smear-negative at the end of 2 years. Out of the 77 patients who were available for follow up at 3 years, 30/33 (90.9%) patients with BI of < or = 3, 15/20 (75%) patients with BI between 3.1 to 4 and 13/24 (54.2%) patients having initial BI > 4, respectively, had attained smear negativity. Reactions occurred more frequently after 6 months of therapy and over a period of time their frequency gradually decreased, however, they continued to occur even two years after RFT. During the course of MDT and thereafter in follow up 4.6% and 1.3% of the patients developed new deformities or an increase in the existing grade of deformities, respectively. Three relapses (2 in LL and 1 in BL) occurred in patients having initial BI of > 4. One patient relapsed in the second year and the other two relapsed in the third year of follow up and were successfully treated with reintroduction of the same MDT MB regimen. Local ulceration healing with scar formation and regional lymphadenopathy were the only local reactions to the vaccine seen in 47/136 (34.5%) patients. All the patients showed histopathological improvement in the form of a gradual reduction of granuloma fraction. Although the results of this limited period follow up are satisfactory, a long-term follow-up in larger number of patients will settle the issue of safety and efficacy of shortened MDT MB regimen and the place of immunotherapy with M. w. vaccine in multibacillary patients.
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