SAPPORO study to Prove the Effects of telmisartan and valsartan on Early morning blood pressure based on amlodipine treatment

SAPPORO study to Prove the Effects of telmisartan and valsartan on Early morning blood pressure based on amlodipine treatment - SPEED study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003922

Enrollment

250

Registered

2010-07-20

Start date

2010-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

patients with essential hypertension

Interventions

amlodipine and telmisartan amlodipine and valsartan

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: outcome patients treated with amlodipine 5 mg/day home BP >135/85 mmHg in the early morning

Exclusion criteria

Exclusion criteria: allergy with ARB or amlodipine pregnancy severe liver dysfunction severe kidney dysfunction taking another antihypertensive agents patients who are not recomended Ca channel blocker as the first choice

Design outcomes

Primary

Measure	Time frame
primary outcome: home blood pressure in the early morning	—

Countries

Japan

Contacts

Public ContactShigeyuki Saitoh

Sapporo Medical University Second Department of Internal Medicine

ssaitoh@sapmed.ac.jp

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026