tˈuː jˈɪɹz lˈeɪɾɚ, hiː kˈɑːmɛntᵻd ɪn ɐn ˌɛdɪtˈoːɹɪəl fɔːɹ plˈoʊz mˈɛdəsən ðæt ˈæktɪvˌɪst ɡɹˈuːps hæv dᵻɹˈeɪld sˈɛvɹəl pɹˈiːɛkspˈoʊʒɚ pɹˌɑːfɪlˈæksɪs pɹˈɛp klˈɪnɪkəl tɹˈaɪəlz.
Two years later, he commented in an editorial for PLOS Medicine that activist groups have derailed several pre-exposure prophylaxis (PREP) clinical trials.