Completed PHASE4 INTERVENTIONAL 2-arm NCT01964079

Comparision of Blood Pressure Variability Between Amlodipine and Losartan

The COMPAriSon of Systolic Blood Pressure Variability and Central Blood Pressure of Calcium Channel Blocker (Amlodipine) in Comparison With Angiotensin Receptor Blocker (Losartan) in Patients With Essential Hypertension

Sponsor: Pfizer

Conditions Hypertension

Interventions Amlodipine Losartan

Updated 7 times since 2017 Last updated: May 11, 2017 Started: Apr 30, 2013 Primary completion: Apr 30, 2017 Completion: May 31, 2017

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Hypertension and is currently completed. Pfizer leads this study, which shows 7 recorded versions since 2013 — indicating limited longitudinal coverage. Heart and vascular conditions benefit from the kind of long-term tracking this trial provides.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4

▶ Show 2 earlier versions

Jun 2017 — Jun 2018 [monthly]

Completed PHASE4

Status: Recruiting → Completed
Jan 2017 — Jun 2017 [monthly]

Recruiting PHASE4

First recorded

Apr 2013

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Pfizer
Wonju Severance Christian Hospital

Data source: Wonju Severance Christian Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Wŏnju, South Korea