AzTrials
AzTrials

Hypercholesterolemia, DyslipidemiaPhase 1NCT00935259

Lipid Biomarker Study in Men With Dyslipidemia After Simvastatin Treatment (Study MK-0000-140)(COMPLETED)

A Phase 1 study testing Simvastatin in people with Hypercholesterolemia, Dyslipidemia, run by Merck Sharp & Dohme LLC.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The purpose of this study was to provide human lipidomics standards with simvastatin treatment that were to be used for comparison with similar preclinical studies. Read more about this study

Who is it for?
Ages 30 to 70 years, men only
Conditions the study is for
Hypercholesterolemia, Dyslipidemia
What is being tested?
Simvastatin
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
31 participants
Where
No sites listed yet
Study dates
Jul 2009to Oct 2009
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 30 to 70 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Participant is a Caucasian (including Hispanic) male
  • Participant has a maximum waist size of 40 inches
  • Participant does not currently use any lipid-altering medications
  • Participant is in good health other than the diagnosis of dyslipidemia

Who cannot join

  • Participant has had stomach ulcers within the last 3 months
  • Participant has had a heart attack in the last 6 months or has angina
  • Participant has chronic heart failure
  • Participant has a history of stroke, seizures, or major neurological disorder
  • Participant has a history of cancer
  • Participant has a gastrointestinal condition that affects bowel movements
  • Participant has type 1 or 2 diabetes

About this study

Official title: A Randomized, Placebo Controlled Clinical Trial to Evaluate the Effects of Simvastatin Treatment on Measurements of Lipidomic Biomarkers in Men With Dyslipidemia

The purpose of this study was to provide human lipidomics standards with simvastatin treatment that were to be used for comparison with similar preclinical studies.

Being tested
Simvastatin, Placebo
Keywords
Hypercholesterolemia, Dyslipidemia, simvastatin, Zocor
Medical subject headings
Hypercholesterolemia, Dyslipidemias

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • SimvastatinDrug

    Also called Zocor

    40 mg once daily for 2 weeks

  • PlaceboDrug

    Placebo, matching the simvastatin (40 mg) tablet as a single oral daily dose for 2 weeks

Study groups in NCT00935259
Study groupRoleWhat they receive
Simvastatin 40 mg first, then placeboExperimentalSimvastatin 40 mg tablets once daily for 2 weeks followed by placebo for 2 weeks
Receives: Drug: Simvastatin; Drug: Placebo
Placebo first, then simvastatin 40 mg once dailyPlacebo comparatorPlacebo for 2 weeks followed by simvastatin 40 mg once daily for 2 weeks
Receives: Drug: Simvastatin; Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Arachidonic Acid Level After 2 Weeks of Treatment

    Arachidonic acid level (20:4n6) in the cholesterol ester lipid class.

    The mean reported was an adjusted mean, which was obtained from running a 2-period crossover model that had fixed treatment and period terms and a random participant term.

    Measured: 2 weeks

Secondary outcomes (4)
  1. Fasting Blood Lipidomic Levels After 2 Weeks of Treatment

    Change in fasting blood cholesterol ester, lysophosphatidylcholine, phosphatidylcholine, phosphatidylethanolamine, and triacylglycerol levels compared to placebo.

    The mean reported was an adjusted mean.

    Measured: 2 weeks

  2. Serum Proprotein Convertase Subtilisin-like/Kexin Type 9 (PCSK9) Level

    Two days of standardized, pre-packaged meals were provided prior to the 10-hour fast required before blood collection. To assess how consumption of a meal would affect levels of plasma PCSK9, following each of the fasting blood draws, participants were asked to consume a high fat meal (heavy whipping cream + vanilla ice cream in a 1:4 ratio [dose = 162 g/m^2]) within 20 minutes. For the duration of the test, participants were to remain seated or recumbent until blood samples were drawn 4 h after meal completion.

    The mean reported was an adjusted mean (defined in first outcome measure).

    Measured: 2 weeks

  3. Blood Linoleic Acid Levels

    Change in blood linoleic acid levels for Cholesterol Ester compared to placebo.

    Measured: 2 weeks

  4. Change in Fasting Delta 5 Desaturase Enzyme Activity Compared to Placebo

    Change in fasting delta 5 desaturase enzyme activity compared to placebo. Delta 5 desaturase enzyme activity is defined as the ratios of C20:4n-6 to C20:3n-6 and C20:5n-3 to C20:4n-3.

    Measured: 2 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Jul 2009 (estimated)
  2. Study startJul 2009
  3. Primary completionOct 2009
  4. Study completionOct 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00935259
Sponsor's protocol ID
0000-140
Other IDs
2009_609
Status last verified
Oct 2015
First submitted
7 Jul 2009
Last updated
8 Oct 2015
Data monitoring committee
No

Publications

  • Chen F, Maridakis V, O'Neill EA, Hubbard BK, Strack A, Beals C, Herman GA, Wong P. The effects of simvastatin treatment on plasma lipid-related biomarkers in men with dyslipidaemia. Biomarkers. 2011 Jun;16(4):321-33. doi: 10.3109/1354750X.2011.561367. Epub 2011 Mar 21.

    PubMed 21417623

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Simvastatin in people with Hypercholesterolemia, Dyslipidemia, run by Merck Sharp & Dohme LLC.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 8 Oct 2015. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 20 Feb 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Arachidonic Acid Level After 2 Weeks of Treatment (time frame: 2 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00935259, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Oct 2015.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in