- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04453735
MUscle Side-Effects of Atorvastatin in Coronary Patients (MUSE) -Follow-up Study
Statins are cornerstone treatment in secondary cardiovascular disease (CVD) prevention. Today, statin non-adherence (patients not taking their prescribed drug) remains a major public health concern, leading to adverse outcomes in terms of morbidity, mortality and healthcare costs. The principal reason for statin non-adherence and discontinuation is statin-associated muscle symptoms (SAMS). Objective SAMS diagnostics do not exist. We aim to unravel the pathophysiology of SAMS and develop diagnostic tools to differentiate real SAMS from muscle symptoms not related to the statin, among coronary patients with self-perceived SAMS. In this follow-up study we aims to determine the effect of 7 weeks open treatment with atorvastatin 40 mg/day, followed by 7 weeks open treatment with no lipid lowering treatment, on muscle symptom intensity in patients classified with confirmed statin-associated muscle symptoms (SAMS) (i.e. statin-dependent muscle side-effects) and non-SAMS in the MUscle Side-Effects of atorvastatin in coronary patients (MUSE) randomized double blinded cross-over trial.
We have developed novel methods that will be used to measure atorvastatin metabolites and drug effect biomarkers directly in skeletal muscle and blood . The diagnostic accuracy of these biomarkers to differentiate real SAMS from non-SAMS will be evaluated. A new diagnostic tool may potentially be implemented to assess SAMS in the individual patient and enable personalized follow-up. It may also represent an important tool in the communication with patients misattributing their muscle symptoms to statins. The long-term results may be better quality of life and reduced morbidity, mortality and healthcare costs.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Buskerud
-
Drammen, Buskerud, Norway, 3004
- Vestre Viken HF, Drammen Hospital
-
-
Vestfold
-
Tønsberg, Vestfold, Norway, 3103
- Hospital of Vestfold
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Participation in the MUSE trial (Eudract nr. 2018-004261-14) and still fulfilling the study entry criteria: First or recurrent diagnosis (myocardial infarction) or treatments (PCI or CABG) for a CHD event 12-42 months prior to study start.
Exclusion Criteria:
- First or recurrent diagnosis (myocardial infarction) or treatments (PCI or CABG) for a CHD event the a) past 12 months prior to study start in high risk patients (i.e. at least one of following comorbid conditions: systolic heart failure, >1 previous myocardial infarction, kidney failure, diabetes, and smokers) and b) the past 6 months prior to study start in low risk patients without any of the co-morbid conditions mentioned above and in patients who are not taking a statin at all.
- Patients with symptomatic peripheral artery disease and patients with familial hypercholesterolemia
- Patient has any contraindications for atorvastatin listed in the Summary of Product Characteristics (i.e. known hypersensitivity to the ingredients, acute liver failure/ ALT > 3 times upper limit of the normal range in blood at study start, pregnancy and breastfeeding )
- History of previous rhabdomyolysis, myopathy or liver failure due to statin treatment with CK > 10 times upper limit of the normal range or ALT > 3 times upper limit of the normal range.
- Any condition (e.g. psychiatric illness, dementia) or situation, that in the investigator's opinion could put the subject at significant risk, confound the study results, interfere significantly with the subject participation in the study, or rendering informed consent unfeasible
- Short life expectancy (<12 months) due to other medical conditions
- Not being able to understand Norwegian.
- Women of childbearing potential defined as all premenopausal female.
- Participation in another randomized clinical trial
- Classified with significantly more muscle symptoms on placebo than on atorvastatin in the MUSE trial
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: NON_RANDOMIZED
- Interventional Model: SEQUENTIAL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Intervention
Atorvastatin mylan 40 mg once daily
|
Oral tablet on regular prescription
|
NO_INTERVENTION: Control
No statin therapy
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Individual mean difference in muscular symptom intensity measured with a 0 (no symptoms) to 10 (worst imaginable symptoms) Visual Analogue Scale (VAS) score between treatment periods with statin and "no statin treatment"
Time Frame: 16 weeks following study start
|
Individual mean difference in muscular symptom (i.e.
pain, aching, tenderness, stiffness, cramp and/or weakness) intensity between treatment periods with statin and no statin, reported by the patients over the last three weeks (i.e.
week 4-7) measured with a 0 (no symptoms) to 10 (worst imaginable symptoms) Visual Analogue Scale (VAS) score with aggregated data from each subscale
|
16 weeks following study start
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The proportion of patients who report muscle symptoms on atorvastatin treatment and not on statin (dichotomous Statin Associated Muscle Symptom classification)
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between atorvastatin-related variables in muscle and the primary study endpoint. The ability of atorvastatin-related variables in muscle to differentiate confirmed SAMS and non-SAMS
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between atorvastatin-related variables in plasma vs. muscle and PBMC vs. muscle. Correlation between atorvastatin-related variables in blood and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between atorvastatin: HMGCR in muscle and the primary study endpoint. The ability of atorvastatin:HMGCR in muscle to differentiate confirmed SAMS and non-SAMS.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between atorvastatin:HMGCR in PBMC vs. muscle. Correlation between atorvastatin:HMGCR in PBMC and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between mevalonate pathway intermediates in muscle and the primary study endpoint. The ability of mevalonate pathway intermediates in muscle to differentiate confirmed SAMS and non-SAMS.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between mevalonate pathway intermediates in plasma vs. muscle and PBMC vs. muscle. Correlation between mevalonate pathway intermediates in blood and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between mitochondrial respiratory enzymes in muscle and the primary study endpoint. The ability of mitochondrial respiratory enzymes in muscle to differentiate confirmed SAMS and non-SAMS.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between mitochondrial respiratory enzymes in PBMC vs. muscle. Correlation between mitochondrial respiratory enzymes in PMBC and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between the FKBP1A:RyR1 ratio in muscle and the primary study endpoint. The ability of the FKBP1A:RyR1 ratio in muscle to differentiate confirmed SAMS and non-SAMS.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between the FKBP1A:RyR1 ratio in PBMC vs. muscle. Correlation between the FKBP1A:RyR1 ratio in PBMC and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between caspase 3 signalling in muscle and the primary study endpoint. The ability of caspase 3 signalling in muscle to differentiate confirmed SAMS and non-SAMS.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation between caspase 3 signalling in PBMC vs. muscle. Correlation between caspase 3 signalling in blood and the primary study endpoint.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Difference in muscle response variables between atorvastatin period and non-statin period.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Correlation of molecular effects in blood vs. muscle. Difference in blood response variables between atorvastatin period and non-statin period. Correlation between atorvastatin-related variables and response variables in blood.
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Statin adherence measured with indirect methods and by parent drug and metabolite concentrations in blood
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
New-onset CHD symptoms. Intolerable muscle symptoms leading to discontinuation from the treatment arm. Creatine kinase (CK) > 10 times upper limit of the normal range or alaninaminotransferase (ALT) > 3 times upper normal limit
Time Frame: 16 weeks following study start
|
16 weeks following study start
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- REK 54041
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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.
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