LosartanAngiotensin Receptor AntagonistsAngiotensin II Type 1 Receptor BlockersAntihypertensive AgentsBiphenyl CompoundsReceptor, Angiotensin, Type 1Angiotensin IITetrazolesImidazolesReceptor, Angiotensin, Type 2Receptors, AngiotensinEnalaprilAngiotensin-Converting Enzyme InhibitorsRenin-Angiotensin SystemBlood PressureHypertensionAngiotensin IHydrochlorothiazideAngiotensin II Type 2 Receptor BlockersAmlodipineAtenololReninRats, Sprague-DawleyCaptoprilKidneyLisinoprilRats, Inbred SHRRats, WistarPyridinesProteinuriaHypertrophy, Left VentricularAngiotensins1-Sarcosine-8-Isoleucine Angiotensin IIVasoconstrictor AgentsDouble-Blind MethodBenzimidazolesDiabetic NephropathiesDose-Response Relationship, DrugPeptidyl-Dipeptidase A