0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
ARTICLE |

The Effects of Thiazides Plus Calcium Channel Blockers-Reply

James F. Burris, MD; Matthew R. Weir, MD; Suzanne Oparil, MD; William J. Cady, PharmD; William H. Stewart, PhD
JAMA. 1990;264(8):972-973. doi:10.1001/jama.1990.03450080057024.
Text Size: A A A
Published online

In Reply.—  We appreciate the opportunity to respond to the comments of Cappuccio et al. The measurement of blood pressure at 12 ± 2 hours after receiving a dose was not an SD but a commonly used protocol requirement that all blood pressure measurements be made within 12 ± 2 hours after dosing, and, in fact, 100% of the patients had these measurements at 10 to 14 hours after taking a dose, just before the next dose.Because these measurements were obtained at trough, the data demonstrate that the antihypertensive activity of the diltiazem sustained-release and hydrochlorothiazide formulations lasts for at least 12 hours. The diltiazem sustained-release preparation used in our study is the standard commercial preparation marketed in the United States (Cardizem SR, Marion Laboratories Inc, Kansas City, Mo). This product has been shown to have a consistent blood pressure—lowering effect throughout the dosing interval, with a duration of

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Figures

Tables

References

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();