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Consumption Of Sutherlandia Frutescens By Hiv-Seropositive South African Adults: An Adaptive Double-Blind Randomized Placebo Controlled Trial., Douglas Wilson, Kathy Goggin, Karen Williams, Mary M. Gerkovich, Nceba Gqaleni, James Syce, Patricia Bartman, Quinton Johnson, William R. Folk
Consumption Of Sutherlandia Frutescens By Hiv-Seropositive South African Adults: An Adaptive Double-Blind Randomized Placebo Controlled Trial., Douglas Wilson, Kathy Goggin, Karen Williams, Mary M. Gerkovich, Nceba Gqaleni, James Syce, Patricia Bartman, Quinton Johnson, William R. Folk
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BACKGROUND: Sutherlandia frutescens (L.) R. Br. is widely used as an over the counter complementary medicine and in traditional medications by HIV seropositive adults living in South Africa; however the plant's safety has not been objectively studied. An adaptive two-stage randomized double-blind placebo controlled study was used to evaluate the safety of consuming dried S. frutescens by HIV seropositive adults with CD4 T-lymphocyte count of >350 cells/μL.
METHODS: In Stage 1 56 participants were randomized to S. frutescens 400, 800 or 1,200 mg twice daily or matching placebo for 24 weeks. In Stage 2 77 additional participants were randomized to …