Table 2.

Feasibility outcomes

Measure	Target	Observed	Description
Recruitment rate	24 patients in 11 months	24 patients in 21 months	Challenges in recruitment, due to comorbidities, illness severity, no full-time research assistant, COVID-19
Refusal rate	< 40%	37%	37 of 100 eligible patients declined to participate
Retention rate	> 80%	92%	2 of 24 patients dropped out for personal reasons
Adherence rate	> 90%	92.5%	Participants were adherent to the medication in 37 of 40 study periods. We excluded those who died or dropped out before taking the study drug.