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The purpose of this study is to determine the effect of slowing heart rate upon both central and peripheral blood pressures using a medication called Ivabradine which slows heart rate without affecting heart contraction, and to compare the effects of ivabradine to a traditional blood pressure lowering medication called metoprolol (which is a beta-blocker).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ivabradine | Experimental |
| |
| metoprolol | Experimental |
| |
| placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ivabradine | Drug |
| ||
| metoprolol |
| Measure | Description | Time Frame |
|---|---|---|
| central and peripheral arterial and pulse wave velocity | baseline, and 4 hours following the administration of placebo, metoprolol or ivabradine. |
| Measure | Description | Time Frame |
|---|---|---|
| Central pulse pressure | Baseline measurements of central and peripheral arterial and pulse wave velocity will be made at baseline, and 4 hours following the administration of either placebo, metoprolol or ivabradine. |
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Inclusion Criteria:
Exclusion Criteria
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| ID | Term |
|---|---|
| D000077550 | Ivabradine |
| D008790 | Metoprolol |
| ID | Term |
|---|---|
| D001552 | Benzazepines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
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|
| placebo | Drug |
|
| D050198 | Phenoxypropanolamines |
| D011412 | Propanolamines |
| D000605 | Amino Alcohols |
| D000438 | Alcohols |
| D009930 | Organic Chemicals |
| D020005 | Propanols |
| D000588 | Amines |