Figure 2 |. Clinical trials performed since 2002 in fragile X syndrome.
Trial duration and primary outcome measures are displayed for each trial. On the far right, the size of the circles is proportional to the number of participants enrolled in the study. mGluR5, metabotropic glutamate receptor 5. Adapted with permission from Nicolas Rapp, Spectrum (https://spectrumnews.org/news/despite-setbacks-fragile-x-drugs-file-clinical-trials/).