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Trial · NCT00558428

Telmisartan/Amlodipine (80/5) vs. Telmisartan/Amlodipine (40/5) vs. Amlodipine 10 or 5 in Resistant Hypertension

NCT00558428, Phase 3, Completed, Boehringer Ingelheim; results first posted 2009-12-15

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Telmisartan/Amlodipine (80/5) vs. Telmisartan/Amlodipine (40/5) vs. Amlodipine 10 or 5 in Resistant Hypertension. Trials, record NCT00558428. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00558428

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Telmisartan/Amlodipine (80/5) vs. Telmisartan/Amlodipine (40/5) vs. Amlodipine 10 or 5 in Resistant Hypertension
NCT number
NCT00558428
Status
Completed
Phases
Phase 3
Enrollment
1,098 participants, actual
Lead sponsor
Boehringer Ingelheim
Conditions
Hypertension
Interventions
fixed dose combination of telmisartan+amlodipine, amlodipine
First posted
2007-11-15
Last updated
2014-06-27
Other registries' IDs
eudract:2007-002409-36
Results first posted
2009-12-15

Source ClinicalTrials.gov

Registered outcomes8

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange From Baseline in Trough Seated Diastolic Blood Pressure (DBP)End of study (8 weeks or last value on treatment)Change from baseline to the end of study in trough DBP
PrimaryNumber of Patients With OedemaDuring randomised treatment period (8 weeks was the planned end of treatment, some of the measurements analysed as end of study can be at 4 weeks or at any point on randomised treatment)Patients from the treated set who experienced at least one case of general oedema.
SecondaryChange From Baseline in Trough Seated Systolic Blood Pressure (SBP)End of study (8 weeks or last value on treatment)Change from baseline to the end of study in trough SBP
SecondaryTrough Seated Diastolic Blood Pressure ControlEnd of study (8 weeks or last value on treatment)The number of patients who reach the target DBP of \<90mmHg
SecondaryTrough Seated DBP ResponseEnd of study (8 weeks or last value on treatment)The number of patients who reach the target DBP of \<90mmHg or had a reduction in DBP \>= 10mmHg
SecondaryTrough Seated SBP ControlEnd of study (8 weeks or last value on treatment)The number of patients who reach the target SBP of \<140mmHg
SecondaryTrough Seated SBP ResponseEnd of study (8 weeks or last value on treatment)The number of patients who reach the target SBP of \<140mmHg or had a reduction in SBP \>= 15 mmHg
SecondaryTrough Seated Blood Pressure (BP) Normality ClassesEnd of study (8 weeks or last value on treatment)
The number of patients who reach predefined BP categories: * Optimal - SBP\<120 and DBP\<80 mmHg * Normal - SBP\<130 and DBP\<85 mmHg * High-normal - SBP\<140 DBP\<90 mmHg * Stage 1 hypertension - SBP\<160 and DBP\<100 * Stage 2 hypertension SBP\>=160 and DBP\>=100 mmHg

Outcomes8

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange From Baseline in Trough Seated Diastolic Blood Pressure (DBP)End of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
mmHgLEAST_SQUARES_MEAN
SECONDARYChange From Baseline in Trough Seated Systolic Blood Pressure (SBP)End of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
mmHgLEAST_SQUARES_MEAN
SECONDARYTrough Seated Diastolic Blood Pressure ControlEnd of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
patientsNUMBER
SECONDARYTrough Seated DBP ResponseEnd of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
patientsNUMBER
SECONDARYTrough Seated SBP ControlEnd of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
patientsNUMBER
SECONDARYTrough Seated SBP ResponseEnd of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
patientsNUMBER
SECONDARYTrough Seated Blood Pressure (BP) Normality ClassesEnd of study (8 weeks or last value on treatment)
Full analysis set of patients who had a baseline trough blood pressure measurement and at least one post baseline trough blood pressure measurement using last observation carried forward. The full analysis set included patients who had baseline and at least one post baseline trough measure of blood pressure
patientsNUMBER
PRIMARYNumber of Patients With OedemaDuring randomised treatment period (8 weeks was the planned end of treatment, some of the measurements analysed as end of study can be at 4 weeks or at any point on randomised treatment)The treated set (TS) consisted of all patients that took at least one dose of the double-blind treatment (n=1097)patientsNUMBER

Results by group68

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Change From Baseline in Trough Seated Diastolic Blood Pressure (DBP)Amlodipine 5mg-5.71Standard Error 0.49mmHg
Change From Baseline in Trough Seated Diastolic Blood Pressure (DBP)Amlodipine 10mg-7.95Standard Error 0.49mmHg
Change From Baseline in Trough Seated Diastolic Blood Pressure (DBP)Telmisartan 40mg and Amlodipine 5mg-9.35Standard Error 0.48mmHg
Change From Baseline in Trough Seated Diastolic Blood Pressure (DBP)Telmisartan 80mg and Amlodipine 5mg-10.63Standard Error 0.48mmHg
Change From Baseline in Trough Seated Systolic Blood Pressure (SBP)Amlodipine 5mg-6.18Standard Error 0.73mmHg
Change From Baseline in Trough Seated Systolic Blood Pressure (SBP)Amlodipine 10mg-11.11Standard Error 0.72mmHg
Change From Baseline in Trough Seated Systolic Blood Pressure (SBP)Telmisartan 40mg and Amlodipine 5mg-13.56Standard Error 0.71mmHg
Change From Baseline in Trough Seated Systolic Blood Pressure (SBP)Telmisartan 80mg and Amlodipine 5mg-14.99Standard Error 0.71mmHg
Trough Seated Diastolic Blood Pressure ControlAmlodipine 5mgYes (DBP<90 mmHg)107patients
Trough Seated Diastolic Blood Pressure ControlAmlodipine 10mgYes (DBP<90 mmHg)148patients

Participant flow12

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAmlodipine 5mg267
Overall StudySTARTEDAmlodipine 10mg276
Overall StudySTARTEDTelmisartan 40mg and Amlodipine 5mg277
Overall StudySTARTEDTelmisartan 80mg and Amlodipine 5mg277
Overall StudyCOMPLETEDAmlodipine 5mg255
Overall StudyCOMPLETEDAmlodipine 10mg252
Overall StudyCOMPLETEDTelmisartan 40mg and Amlodipine 5mg273
Overall StudyCOMPLETEDTelmisartan 80mg and Amlodipine 5mg266
Overall StudyNOT COMPLETEDAmlodipine 5mg12
Overall StudyNOT COMPLETEDAmlodipine 10mg24

Adverse events28

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherOedema peripheralGeneral disordersAmlodipine 5mg22267
otherOedema peripheralGeneral disordersAmlodipine 10mg74276
otherOedema peripheralGeneral disordersTelmisartan 40mg and Amlodipine 5mg14277
otherOedema peripheralGeneral disordersTelmisartan 80mg and Amlodipine 5mg10277
seriousAtrial fibrilationCardiac disordersAmlodipine 5mg1267
seriousAtrial fibrilationCardiac disordersAmlodipine 10mg0276
seriousAtrial fibrilationCardiac disordersTelmisartan 40mg and Amlodipine 5mg0277
seriousAtrial fibrilationCardiac disordersTelmisartan 80mg and Amlodipine 5mg0277
seriousChest discomfortGeneral disordersAmlodipine 5mg0267
seriousChest discomfortGeneral disordersAmlodipine 10mg0276

Adverse event totals12

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityAmlodipine 5mg
Total, all-cause mortalityAmlodipine 10mg
Total, all-cause mortalityTelmisartan 40mg and Amlodipine 5mg
Total, all-cause mortalityTelmisartan 80mg and Amlodipine 5mg
Total, other adverse eventsAmlodipine 5mg22267
Total, other adverse eventsAmlodipine 10mg74276
Total, other adverse eventsTelmisartan 40mg and Amlodipine 5mg14277
Total, other adverse eventsTelmisartan 80mg and Amlodipine 5mg10277
Total, serious adverse eventsAmlodipine 5mg2267
Total, serious adverse eventsAmlodipine 10mg1276

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT00558428

GET https://conductscience.org/api/trials/v1/NCT00558428/results?page=2