ClinicalTrials.gov
ClinicalTrials.gov Menu

Retrospective Survey for Patients With Hypertension and Diabetes Mellitus (CRYSTAL)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT00681278
Recruitment Status : Completed
First Posted : May 21, 2008
Last Update Posted : December 2, 2010
Sponsor:
Information provided by:
AstraZeneca

Brief Summary:
This study will address the treatment rate and control rate of hypertension, treatment pattern and factors to affect blood pressure control by examining (retrospective) medical records of hypertension patients having Type 2 Diabetes mellitus, among outpatients coming to the Endocrinology Department in 20 general hospital settings nationwide.

Condition or disease
Hypertension

Study Type : Observational
Estimated Enrollment : 2000 participants
Observational Model: Cohort
Time Perspective: Retrospective
Official Title: A Retrospective, Multi Centre, Non-interventional, Observational Study to Investigate Treatment Pattern of Blood Pressure in the Type II Diabetes Mellitus Patients With Hypertension.
Study Start Date : April 2008
Actual Primary Completion Date : October 2008
Actual Study Completion Date : October 2008

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Group/Cohort
1
Hypertension patients with Type II Diabetes mellitus



Primary Outcome Measures :
  1. Attainment rate to the target blood pressure. [ Time Frame: After collecting all Patient Record Form. ]

Secondary Outcome Measures :
  1. Dropout rate will be estimated during the follow-up period after the hypertension treatment. Attainment to the target blood pressure will be investigated according to concomitant diseases. [ Time Frame: After collecting all Patient Record Form. ]
  2. Change in DBP/SBP value during the follow-up period will be addressed. Change in the DBP/SBP value will be investigated according to the risk factors and concurrent disease. [ Time Frame: After collecting all Patient Record Form. ]


Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patient with type II Diabetes mellitus, receiving hypertension medication during at least 1 year.
Criteria

Inclusion Criteria:

  • Outpatient Type II DM patients receiving hypertension medication in 2006
  • Patient with Type II DM receiving hypertension medication during at least 1 year.

Exclusion Criteria:

  • Secondary hypertension patients
  • Patients not receiving hypertension medication

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00681278


Locations
Korea, Republic of
Research Site
Bucheon, Gyeonggi, Korea, Republic of
Research Site
Goyang, Gyeonggi, Korea, Republic of
Research Site
Guri, Gyeonggi, Korea, Republic of
Research Site
Sungnam, Gyeonggi, Korea, Republic of
Research Site
Jeonju, Keollabuk, Korea, Republic of
Research Site
Busan, Korea, Republic of
Research Site
Deagu, Korea, Republic of
Research Site
Deajeon, Korea, Republic of
Research Site
Incheon, Korea, Republic of
Research Site
Kwangju, Korea, Republic of
Research Site
Seoul, Korea, Republic of
Research Site
Suwon, Korea, Republic of
Research Site
Wonju, Korea, Republic of
Sponsors and Collaborators
AstraZeneca
Investigators
Study Director: Joon Woo Bahn Astrazenca Korea medical dept,.

Responsible Party: Joon Woo Bahn, AstraZeneca
ClinicalTrials.gov Identifier: NCT00681278     History of Changes
Other Study ID Numbers: NIS-CKR-DUM-2008/2
First Posted: May 21, 2008    Key Record Dates
Last Update Posted: December 2, 2010
Last Verified: December 2010

Keywords provided by AstraZeneca:
Hypertension
Type II DM
JNC7
2007 ESH-ESC guidelines
survey

Additional relevant MeSH terms:
Diabetes Mellitus
Hypertension
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Vascular Diseases
Cardiovascular Diseases