Table 1.

Characteristics of eligible gray literature studies, or those pending publication due to ongoing recruitment or recent completion.

Database	Study ID/ sponsor		Number of patients	Intervention arms	Current status	Year of completion
	Record source/ award ID	UI
NICHSR	RePorter/K23AR053856	20113190	Not reported	Educational and telephone counseling	Completed	2012
Clinicaltrials.gov	NCT02741700		300	Narrative/ storytelling	Recruiting	2020
Clinicaltrials.gov	NCT02790463*		1250	Behavioral: pharmacist-led intervention automated telephone IVR and direct telephone contact	Active, not recruiting	2018

^*Same as the study reported as Mikuls and colleagues²⁶ as an abstract.

IVR, interactive voice recognition; NCT, ClinicalTrials.gov identifier; UI, unique identifier.