New pill combo aims to crush high cholesterol
NCT ID NCT07444762
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed Phase 3 trial tested whether taking two cholesterol-lowering drugs together works better than one alone. 184 adults with high cholesterol or mixed dyslipidemia took either the combo or a single drug daily for 8 weeks. The main goal was to see how much LDL ('bad') cholesterol dropped.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- DW5421A and DW5421B (two cholesterol-lowering drugs taken as pills)
- What this could lead to
- If successful, this combination could offer a more effective way to lower LDL cholesterol than using one drug alone, potentially reducing heart disease risk.
- What could go wrong
- This is a completed Phase 3 trial, but results are not yet published. The combination may not be significantly better than the single drug, or could cause more side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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184 people
The number who actually took part.
- Started
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Apr 2025
- Finished
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Oct 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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19 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: \- Subjects must meet all of the following criteria to be eligible for the study: \[Screening\] 1. Male or female aged ≥19 years 2. Subjects diagnosed with primary hypercholesterolemia or mixed dyslipidemia 3. Subjects who satisfy both of the following criteria at Visit 1: (1) Triglyceride (TG) \< 400 mg/dL; (2) Low-density lipoprotein cholesterol (LDL-C) ≤ 250 mg/dL 4. At Visit 1, for subjects who are receiving hypercholesterolemia treatment, those who, in the investigator's judgment, can medically and appropriately discontinue their existing hypercholesterolemia treatment for the duration of the clinical trial. 5. Subjects who voluntarily provided written informed consent to participate in this clinical trial. \[Randomization\] 1. If currently receiving hypercholesterolemia treatment, subjects who have undergone a washout period of at least 4 weeks prior to Visit 2. 2. Subjects who have implemented TLC for at least 4 weeks prior to Visit 2 and have continued TLC through Visit 3. 3. Subjects whose RIP IP compliance during the run-in period is between 70% and 130%. 4. Subjects whose central laboratory test results at Visit 2 meet the criteria. Exclusion Criteria: * Subjects who meet any of the following conditions will not be eligible to participate in this clinical trial: 1. Presence of any of the following medical histories or past surgical histories: <!-- --> 1. Acute arterial disease-related history (as of Visit 1, within the 12-week period preceding the visit including: Unstable angina, myocardial infarction, transient ischemic attack (TIA), cerebrovascular disease, coronary artery bypass graft (CABG), or percutaneous coronary intervention (PCI)) Exception: Subjects whose events occurred more than 12 weeks before Visit 1, have been adjudicated as cured, or are in a stable state (ex: managed with a stable drug dosage for at least 12 weeks prior to Visit 1) may be eligible. 2. Hypersensitivity or prior exposure to the investigational product's active ingredients (pitavastatin, ezetimibe) or to any dyslipidemia-treating agents. 3. History of fibromyalgia, myopathy, rhabdomyolysis, or other hereditary myopathies, or a family history of such conditions. 4. Severe heart failure (NYHA functional class III or IV). 5. Any surgical or internal medical condition that could affect the absorption, distribution, metabolism, or excretion of the investigational drug (excluding uncomplicated appendectomy or hernia repair). 6. A history of drug or alcohol abuse within 1 year prior to Visit 1. 7. A history of malignancy (however, the following cases are eligible for participation): ① If at least 5 years have passed since completion of treatment for the tumor as of Visit 1, or if the subject is disease-free status. ② If at least 3 years have passed as of Visit 1 since complete excision of basal cell carcinoma or squamous cell carcinoma of the skin, curative resection of papillary thyroid carcinoma, or successful treatment of cervical carcinoma in situ. 2\. Subjects with the following comorbidities: 1. Uncontrolled hypertension (SBP ≥ 180 mmHg or DBP ≥ 110 mmHg) 2. Uncontrolled diabetes mellitus (HbA1c ≥ 9%) 3. Uncontrolled thyroid dysfunction (TSH ≥ 1.5 × ULN) 4. Hepatic dysfunction (AST or ALT ≥ 2 × ULN) 5. Renal impairment (eGFR \< 30 mL/min/1.73 m²) 6. CK ≥ 2 × ULN 7. Biliary obstruction or cholestasis 8. Moderate hepatic disease or active liver disease 9. Hypothyroidism 10. Uncontrolled arrhythmia, as determined by the investigator 11. Interstitial lung disease 3. Subjects who are administrating or are expected to administer concomitant medications prohibited by this clinical trial. 4\. Subjects with chronic conditions requiring continuous use of systemic corticosteroids or immunosuppressants. 5\. Subjects with secondary dyslipidemia due to conditions such as Cushing's syndrome, hypothyroidism, obstructive liver disease, or nephrotic syndrome. 6\. Contraception and pregnancy: 1. Pregnant or breastfeeding women, or those planning to become pregnant or breastfeed during the clinical trial period. 2. Women of childbearing potential and men who do not agree to use appropriate contraception as specified in the protocol during the clinical trial period. 7\. Subjects who have participated in another clinical trial and administered investigational product (or undergone an investigational medical device procedure) within 12 weeks prior to screening (however, enrollment may be permitted if participation was limited to an observational or retrospective study and, in the investigator's judgment, does not affect the efficacy or safety of this clinical trial). 8\. Subjects deemed unsuitable for participation in this clinical trial at the investigator's discretion.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Korea University Anam Hospital
Seoul, 02841, South Korea
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