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CompletedNCT01355367Updated Jan 29, 2014

High Dose BAYA1040 CR: a Long Term Extension Study

A Phase 3 interventional study of Nifedipine (Adalat, BAYA1040) in Hypertension, sponsored by Bayer. Completed at 22 sites in Japan. Open to participants aged 20 Years and older. Per ClinicalTrials.gov, last updated 2014-01-29.

Sponsored by Bayer · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
120
Allocation
Non-randomized
Ages
20 Years and older
Sex
All
01

Study summary

This is a clinical study evaluating the safety and efficacy of long term administration of oral BAYA1040 CR 80 mg/day (40 mg twice daily) in patients with essential hypertension for whom the test drug is tolerable during the 8 week double blind treatment phase of Study 13176.

02

Conditions studied

  • Hypertension

Keywords

  • BAYA1040 CR
  • Nifedipine
  • Essential hypertension
  • Japanese Patients
  • Phase III
  • Extension study
03

In context

Hypertension

6,689 studies on the registry are indexed under Hypertension; 964 are open to participants now.

This study's enrollment of 120 is above the median of 90 across 4,994 interventional studies indexed under Hypertension.

Browse Hypertension studies →

Lead sponsor

Bayer is the lead sponsor of 1,643 studies on the registry; 57 are open to participants now.

Of its 209 completed or terminated interventional studies of FDA-regulated products, 129 (62%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
20 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patients who complete the 8 week double blind treatment phase of Study 13176 and for whom the test drug is tolerable

Exclusion criteria

Exclusion Criteria:

  • Patients with expected difficulties for the continuous 1 year follow up
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
120 participants (actual)

Study arms

  • Experimental
    Arm 1

    Drug: Nifedipine (Adalat, BAYA1040)

Interventions

  • DrugNifedipine (Adalat, BAYA1040)

    BAYA1040 CR 40mg BID

06

What researchers measure

Primary outcomes

  1. Safety variables will be summarized using descriptive statistics based on adverse events collection

    Time frame: Week 52

Secondary outcomes

  1. Changes from baseline in diastolic blood pressure (DBP) while sitting

    Time frame: Baseline, week 10, 12, 16, 24, 28, 32, 36, 40, 44, 48 and 52

  2. Changes from baseline in systolic blood pressure (SBP) while sitting

    Time frame: Baseline, week 10, 12, 16, 24, 28, 32, 36, 40, 44, 48 and 52

  3. Proportion of subjects achieving a target BP based on the Japanese Society of Hypertension (JSH) 2009 guidelines

    Time frame: Baseline, week 10, 12, 16, 24, 28, 32, 36, 40, 44, 48 and 52

  4. Proportion of subjects achieving a target DBP and SBP based on JSH 2009 guidelines or a >10 mmHg reduction of DBP

    Time frame: Baseline, week 10, 12, 16, 24, 28, 32, 36, 40, 44, 48 and 52

07

Study locations

22 sites
  • Hirosaki, Aomori 036-8082, Japan
  • Kamagaya, Chiba 273-0100, Japan
  • Asahikawa, Hokkaido 070-0061, Japan
  • Asahikawa, Hokkaido 078-8214, Japan
  • Sapporo, Hokkaido 003-0026, Japan
  • Sapporo, Hokkaido 003-0825, Japan
  • Sapporo, Hokkaido 004-0004, Japan
  • Sapporo, Hokkaido 007-0841, Japan
  • Sapporo, Hokkaido 062-0053, Japan
  • Sapporo, Hokkaido 063-0841, Japan
  • Sapporo, Hokkaido 064-0803, Japan
  • Sapporo, Hokkaido 064-0807, Japan
  • Kawasaki, Kanagawa 210-0852, Japan
  • Daito, Osaka 574-0074, Japan
  • Kishiwada, Osaka 596-8522, Japan
  • Yao, Osaka 581-0011, Japan
  • Tokorozawa, Saitama 359-1141, Japan
  • Hachioji, Tokyo 192-0046, Japan
  • Meguro, Tokyo 152-0031, Japan
  • Minato, Tokyo 105-7390, Japan
  • Minato, Tokyo 108-0075, Japan
  • Shizuoka, 421-0193, Japan
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 29, 2014, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT01355367
Lead sponsor
Bayer
Responsible party
Sponsor
First posted
May 18, 2011
Start date
Jan 2011
Primary completion
Sep 2011
Completion
Apr 2012
Last update
Jan 29, 2014

Study contacts

Bayer Study Director
study director · Bayer

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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