Intranasal Retinoic Acid Treatment for Patients With OlfactoryLOSS: A RANDOMIZED CONTROLLED TRIAL

NCT03574701 · clinicaltrials.gov ↗

NA

Phase

UNKNOWN

Status

120

Enrollment

OTHER

Sponsor class

Conditions

Olfactory Disorder

Interventions

DIETARY_SUPPLEMENT: Vitamin A

Sponsor

St. Paul's Hospital, Canada