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AzTrials

HypercholesterolemiaPhase 3NCT00868127

Safety of Lapaquistat Acetate in Subjects With Hypercholesterolemia

A Phase 3 study testing Lapaquistat acetate and Lapaquistat acetate and additional lipid-lowering therapy in people with Hypercholesterolemia, run by Takeda.

Completed

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

Official record
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Trial summary

The purpose of this study is to determine the long-term safety of lapaquistat acetate, once daily (QD), as monotherapy or in combination with other lipid-lowering agents in Subjects with Hypercholesterolemia. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Hypercholesterolemia
What is being tested?
Lapaquistat acetate and Lapaquistat acetate and additional lipid-lowering therapy
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
574 participants
Where
No sites listed yet
Study dates
Dec 2005to Jul 2007
Phase
Phase 3
Are there results?
None posted in the registry

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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Has completed the 01-04-TL-475-008 or 01-04-TL-475-009 study.
  • Females of childbearing potential who are sexually active must agree to use a medically accepted means of contraception, and can neither be pregnant nor lactating from Screening throughout the duration of the study.
  • Has clinical laboratory evaluations within reference range for the testing laboratory at the previous visit in study 01-04-TL-475-008 or 01-04-TL-475-009 unless the results were deemed not clinically significant by the investigator or sponsor.
  • Is willing and able to comply with a standardized low cholesterol diet.
  • Is willing to continue taking the protocol-specified companion lipid-altering medication from the previous study (if applicable) for at least the first 4 weeks.

Who cannot join

  • Has an alanine aminotransferase or aspartate aminotransferase level greater than or equal to 3 times the upper limit of normal at the previous visit in the prior study, active liver disease, or jaundice.
  • Has serum creatinine greater than or equal to 133 μmol/l at the previous visit in the prior study.
  • Has a creatine kinase greater than or equal to 10 times the upper limit of normal at the previous visit in the prior study.
  • Has a previous history of cancer that had been in remission for less than 5 years prior to the first dose of study medication. This criterion did not include those subjects with basal cell or Stage 1 squamous cell carcinoma of the skin.
  • Has an endocrine disorder, such as Cushing's syndrome, hyperthyroidism, or inappropriately treated hypothyroidism, affecting lipid metabolism.
  • Has a positive hepatitis B surface antigen, or hepatitis C virus antibody, as determined by medical history and/or participant's verbal report.
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  • Has a positive human immunodeficiency virus status or was taking antiretroviral medications, as determined by medical history and/or subject's verbal report.
  • Has a known hypersensitivity to lapaquistat acetate.
  • Has a history or presence of clinically significant food allergy that prevented them from maintaining Therapeutic Lifestyle Change (or equivalent) diet.
  • Has a known homozygous familial hypercholesterolemia or known Type III hyperlipoproteinemia.
  • Has fibromyalgia, myopathy, rhabdomyolysis, or unexplained muscle pain.
  • Has uncontrolled hypertension at Visit 1.
  • Has inflammatory bowel disease or any other malabsorption syndrome or had gastric bypass or any other surgical procedure for weight loss.
  • Has a history of drug abuse or a history of alcohol abuse within the past 2 years.
  • Has any other serious disease or condition at Visit 1 that may reduce life expectancy, impair successful management according to the protocol, or make the participant unsuitable to receive study medication.
  • Is required to take or intends to continue taking any disallowed medication, any prescription medication, herbal treatment or over-the counter medication that may interfere with evaluation of the study medication, including:
  • Orlistat
  • Sibutramine
  • Isotretinoin
  • Tacrolimus
  • Probucol
  • Systemic corticosteroids and androgens
  • Potent cytochrome P-450 3A4 inhibitors
  • Azole antifungal agents
  • Cyclosporine
  • Erythromycin
  • Clarithromycin
  • Human Immunodeficiency Virus protease inhibitors
  • Amiodarone
  • Verapamil
  • Diltiazem
  • Nefazodone
  • Large quantities of grapefruit juice
  • Warfarin
  • Digoxin

About this study

Official title: An Open-Label Extension Study to Evaluate the Safety and Tolerability of Lapaquistat Acetate in Subjects With Hypercholesterolemia

The purpose of this study is to determine the long-term safety of lapaquistat acetate, once daily (QD), as monotherapy or in combination with other lipid-lowering agents in Subjects with Hypercholesterolemia.

Read the detailed description

Elevated plasma cholesterol (hypercholesterolemia) and various other plasma lipid imbalances (dyslipidemias) are major risk factors for coronary heart disease. Normally, the balance among cholesterol synthesis, dietary intake, and degradation is adequate to maintain healthy cholesterol plasma levels. However, in patients with hypercholesterolemia, elevation in low-density lipoprotein cholesterol leads to atherosclerotic deposition of cholesterol in the arterial walls. Consequently, it has been established that lowering the low-density lipoprotein cholesterol plasma concentration effectively reduces cardiovascular morbidity and mortality. As a result of this finding, the National Cholesterol Education Program Adult Treatment Panel III identifies control of low-density lipoprotein cholesterol as essential in the prevention and management of coronary heart disease. Additional lipid risk factors designated by Adult Treatment Panel III include elevated triglycerides, elevated non-high density lipoprotein cholesterol, and low levels of high-density lipoprotein cholesterol. Lipoproteins rich in triglycerides, such as very low-density lipoprotein cholesterol, appear to contribute to atherosclerosis, whereas the apparent protective effect of high-density lipoprotein cholesterol may be limited at low density lipoprotein concentrations.

Lapaquistat acetate is a squalene synthase inhibitor currently under development at Takeda for the treatment of dyslipidemia.

Participants in this study have primary hypercholesterolemia and have completed either the 12-week monotherapy protocol 01-04-TL-475-008 (NCT00143663) or the 24-week atorvastatin add-on study 01-04-TL-475-009 (NCT00143676).

Being tested
Lapaquistat acetate, Lapaquistat acetate and additional lipid-lowering therapy
Keywords
Hyperlipidemia, Drug Therapy, Dyslipidemia
Medical subject headings
Hypercholesterolemia, Hyperlipidemias, Dyslipidemias

What participants receive

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

  • Lapaquistat acetateDrug

    Also called TAK-475

    Participants from 01-04-TL-475-008 Monotherapy Study:

    Lapaquistat acetate 100 mg, tablets, orally, once daily for up to 48 weeks.

  • Lapaquistat acetate and additional lipid-lowering therapyDrug

    Also called TAK-475

    Participants from 01-04-TL-475-009 Atorvastatin Add-on Study:

    Lapaquistat acetate 100 mg, tablets, orally, once daily and current Atorvastatin therapy for up to 4 weeks.

    Then, Lapaquistat 100 mg, tablets, orally, once daily and dose adjustment of Atorvastatin OR additional companion lipid-lowering therapy as needed for target LDL-C for up to 42 weeks.

Study groups in NCT00868127
Study groupRoleWhat they receive
Lapaquistat Acetate 100 mg QDExperimentalNot described
Receives: Drug: Lapaquistat acetate
Lapaquistat Acetate 100 mg QD + Added TherapyExperimentalNot described
Receives: Drug: Lapaquistat acetate and additional lipid-lowering therapy

What is being measured

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

  1. Adverse Events

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  2. Vital Signs

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  3. Clinical Laboratory Blood Sample for Lipid Panel

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  4. Clinical Laboratory Serum Chemistries

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  5. Clinical Laboratory Hematology

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  6. Clinical Laboratory Serum Human Chorionic Gonadotropin

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  7. Clinical Laboratory Urinalysis

    Measured: Weeks 2, 4, 8, 12, 24, 36 and 48

  8. Physical Examination

    Measured: Week 48

  9. 12-lead Electrocardiogram

    Measured: Week 48

  10. Best Corrected Visual Acuity

    Measured: Week 48

Secondary outcomes (6)
  1. Percent change from Baseline in calculated Low Density Lipoprotein Cholesterol

    Measured: Week 48

  2. Percent change from Baseline in calculated Non-High Density Lipoprotein Cholesterol

    Measured: Week 48

  3. Percent change from Baseline in calculated Total Cholesterol

    Measured: Week 48

  4. Percent change from Baseline in calculated Triglycerides

    Measured: Week 48

  5. Percent change from Baseline in calculated High Density Lipoprotein Cholesterol

    Measured: Week 48

  6. Percent change from Baseline in Derived ratios Total Cholesterol / High Density Lipoprotein Cholesterol and Low Density Lipoprotein Cholesterol / High Density Lipoprotein Cholesterol

    Measured: Week 48

Timeline

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

  1. First posted24 Mar 2009 (estimated)
  2. Study startDec 2005
  3. Primary completionJul 2007
  4. Study completionJul 2007

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 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
574 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00868127
Sponsor's protocol ID
01-04-TL-475-010
Other IDs
U1111-1122-8368
Status last verified
May 2012
First submitted
18 Mar 2009
Last updated
24 May 2012
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Lapaquistat acetate and Lapaquistat acetate and additional lipid-lowering therapy in people with Hypercholesterolemia, run by Takeda.

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 5 inclusion and 35 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 24 May 2012. 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. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Adverse Events (time frame: Weeks 2, 4, 8, 12, 24, 36 and 48). The study lists 10 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 24 May 2012.

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