Clinical validation of sublingual formulations of Immunoxel (Dzherelo) as an adjuvant immunotherapy in treatment of TB patients

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Immunoxel (Dzherelo) is a water–alcohol extract of medicinal plants used in Ukraine as an adjunct immunotherapy to TB and HIV therapy. Four types of solid sublingual formulations of Immunoxel were made: sugar dragées, sugar-coated pills, gelatin pastilles and dried-honey lozenges. They were administered once-daily along with TB drugs. After 1 month, 84.1% of TB patients became sputum-negative with rates in individual groups of 89.5, 70, 76.9 and 100%, respectively. The conversion rate was independent of bodyweight, age, gender, differences in chemotherapy regimens or whether subjects had newly diagnosed TB, re-treated TB, multidrug-resistant TB or TB with HIV coinfection. Patients experienced earlier clinical improvement, faster defervescence, weight gain, a higher hemoglobin content and reduced inflammation as evidenced by lower leukocyte counts and erythrocyte sedimentation rate. By contrast, in the placebo group, only 19% of patients had converted. These findings imply that mucosal delivery of solid Immunoxel is equivalent to the original liquid formula given per os twice-daily for 2–4 months.

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