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In patients who are on the regular drug, the four-times-a-day drug (cystagon), they have tremendous amounts of family disruption because you have to give the drug every six hours around the clock, and if you think about it, for a lot of families that just can’t happen— if there’s a single-parent family or [they have] a lot of kids, or if the family isn’t very well off, or if mom and dad both work.