Evaluation of Patients With Statin Myopathy Using an N of 1 Trial Design
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Ontario
-
London, Ontario, Canada, N6A 4V2
- St. Joseph's Health Care
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- history of muscle symptoms occuring within 3 weeks of starting a statin
- need for statin therapy to achieve LDL target according to the 2009 Canadian Lipid Guidelines
- willingness to re-try statin therapy
Exclusion Criteria:
- currently tolerant of statin therapy
- metabolic or inflammatory myopathy
- known neuropathy
- CK elevation >3 times upper limit of normal (ULN) previously on a statin or history of rhabdomyolysis
- pregnant, breastfeeding, or wanting to become pregnant in the near future
- participation in another clinical trial
- other medical condition associated with decreased life span
- inability to adhere to stringent regimen
- unwilling to stop consumption of grapefruit juice
Subset of 5 patients also completing neuromuscular testing:
Inclusion Criteria:
- same as above
Exclusion Criteria:
- same as above but also:
- angina III of IV
- decompensated heart failure
- history of orthopedic problems
- have any skin ulcers or other non-healed skin areas or infections in the arm or leg
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Statin
Individual-specific statin causing myopathy - i.e., Patients will receive the specific statin previously associated with myopathic symptoms in them (can be any of the following statins: rosuvastatin, atorvastatin, simvastatin, fluvastatin, pravastatin in any of the doses causing symptoms previously).
|
Individual-specific statin causing myopathy vs. placebo
|
|
Placebo Comparator: Placebo
Identical placebo to patient-specific statin
|
Placebo
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
To assess the reliability and reproducibility of subjective symptoms of myalgias to active statin therapy.
Time Frame: Duration of study September 2010 to August 2013
|
Duration of study September 2010 to August 2013
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
To delineate the relation of objective changes in non-invasive neuromuscular testing to subjective symptoms during the first exposure to active or placebo therapy, in subset of 5 patients with prior history of statin myopathy.
Time Frame: September 2010 to August 2013
|
September 2010 to August 2013
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Tisha Joy, MD, FRCPC, St. Joseph's Health Care, UWO
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- R-10-450
- 17352 (Other Identifier: Office of Research Ethics, UWO)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.