But such speculation needs to be tested  we cant just rely on an educated guess. Get CNN Health's weekly newsletter Sign up here to get The Results Are In with Dr. Sanjay Gupta every Tuesday from the CNN Health team. However, data were still being collected in randomized controlled trials  the gold standard  to study the safety and effectiveness of the treatment. Additionally, more research is needed to determine whether similar findings would emerge among a larger group of patients in other parts of the world. The PLACID trial was able to show a small effect on the rate at which patients were able rid themselves of the virus, but this was not enough to improve their recovery from the disease, he added.
Convenasingly, studies have power to improve the disease but not this much.
( z0 contrast :ARG1 ( z1 power :ARG1 ( z2 study ) :ARG2 ( z3 improve :ARG0 z2 :ARG1 ( z4 disease ) ) ) :ARG1-of ( z5 convince ) :ARG2 ( z6 much :mod ( z7 this ) :polarity - ) )
(z0 / contrast-01
    :ARG1 (z1 / power-01
              :ARG1 (z2 / study-01)
              :ARG2 (z3 / improve-01
                        :ARG0 z2
                        :ARG1 (z4 / disease)))
    :ARG1-of (z5 / convince-01)
    :ARG2 (z6 / much
              :mod (z7 / this)
              :polarity -))
Convenasingly , studies have power to improve the disease but not this much .
z1 :ARG1 z2
z1 :ARG2 z3
z3 :ARG0 z2
z3 :ARG1 z4
z0 :ARG1 z1
z0 :ARG1-of z5
z6 :mod z7
z6 :polarity 0
z0 :ARG2 z6