A series of N-of-1 trials to assess the therapeutic interchangeability of two enalapril formulations in the treatment of hypertension in Addis Ababa, Ethiopia: study protocol for a randomized controlled trial

Table 1 Identity of investigational products

Description	Test product	Reference product
Name	Envas	Ena-Denk
Drug substance	Enalapril	Enalapril
Administration	Per oral	Per oral
Formulation	Tablet	Tablet
Dose	5–20 mg	5–20 mg
Manufactured by	Cadila Pharmaceuticals Ltd., Ethiopia	Denk Pharma, German

ISSN: 1745-6215