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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00217061
Other study ID # 38-05
Secondary ID
Status Completed
Phase Phase 3
First received September 16, 2005
Last updated May 20, 2011
Start date April 2005
Est. completion date October 2005

Study information

Verified date May 2011
Source Mayo Clinic
Contact n/a
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Interventional

Clinical Trial Summary

Background- Statins are a safe and effective therapy to reduce cardiovascular risk in patients with type 2 diabetes; however some patients are not prescribed statins, others do not take it even after being prescribed, and others stop therapy prematurely. Lack of knowledge or misinformation about statins may be responsible for inadequate statin use.

Objective- To test the hypothesis that a formal, structured decision aid could correct deficiencies in the current decision-making process, increase statin use, and improve outcomes in patients with type 2 diabetes.

Methods - The investigators will develop a decision aid called STATIN CHOICE and will pilot its efficacy in a blinded randomized controlled trial enrolling 98 type 2 diabetes patients.

Outcomes- Primary outcomes: adherence to the decision to use or not to use statins three months after using STATIN CHOICE. Secondary outcomes: acceptability of STATIN CHOICE, knowledge about options, satisfaction with decisions, decisional conflict, encounter duration, and quality of life.

Expected results- The investigators anticipate that this work will yield an effective and innovative decision aid for statin use in type 2 diabetes patients. STATIN CHOICE, along with a detailed users manual, will be directly applicable in clinical practice. Data and experience from this project will inform the planning and conduct of a randomized multicenter trial of the effectiveness of STATIN CHOICE in diverse practice settings.

Significance- Patient participation in decision-making resulting in informed treatment decisions, as proposed in this study, will likely lead to improved quality of decision-making, more appropriate use of statins, and improved patient outcomes.


Recruitment information / eligibility

Status Completed
Enrollment 98
Est. completion date October 2005
Est. primary completion date October 2005
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Adult patients with type 2 diabetes attending a referral diabetes clinic, who are taking or not taking statins, and give consent to participate. Excluded were patients who had sensory or mental impairments or language barriers that preclude them from using the intervention and therefore participate in this trial.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind


Intervention

Device:
Decision Aid Statin Choice


Locations

Country Name City State
United States Mayo Clinic Rochester Minnesota

Sponsors (1)

Lead Sponsor Collaborator
Mayo Clinic

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Adherence to the decision to use or not to use statins
Secondary Decisional conflict
Secondary Knowledge and understanding of risk
Secondary Quality of life (generic and disease specific)
Secondary Anxiety state
Secondary Trust in clinician
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