Table. Pharmacotherapy studies for hoarding.

Study	Population	Intervention	Outcome
Saxena, et al37	OCD (n=32 with hoarding, n=47 without)	Paroxetine (open label, titrated to target dose of 40 mg/day), no other treatment	Both groups improved with no significant differences between groups. Hoarding symptoms improved as much as other OCD symptoms.
Saxena and Sumner38	Hoarding disorder (n=24)	Venlafaxine (open label, titrated to 150–300 mg/day), no other treatment	36% decrease in UCLA Hoarding Severity Scale score, 70% classified as ‘responders’
Rodriguez, et al39	Hoarding disorder (n=4), one with comorbid OCD	Methylphenidate (open label, 18–72 mg/day), usual medicines continued	2 of the 4 subjects had a modest reduction in hoarding symptoms
Grassi, et al40	Hoarding disorder (n=12)	Atomoxetine (open label, flexible dose of 40–80 mg/day)	Statistically significant reduction on UCLA Hoarding Severity Scale for the group, 6 classified as ‘responders’ and 3 ‘partial responders’

OCD obsessive compulsive disorder