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CompletedNCT04289649Updated Nov 29, 2023

K-924 Phase III Confirmatory Study

A Phase 3 interventional study of K-924 LD and K-924 HD in Hypercholesterolemia, sponsored by Kowa Company, Ltd.. Completed at 3 sites in Japan. Open to participants aged 20 Years and older. Per ClinicalTrials.gov, last updated 2023-11-29.

Sponsored by Kowa Company, Ltd. · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
293
Allocation
Randomized
Ages
20 Years and older
Sex
All
01

Study summary

A multicenter, active-controlled, randomized, double-blind comparative study to compare the efficacy and safety of K-924 LD tablet or K-924 HD tablet to pitavastatin 2 mg or 4 mg in patienta with hypercholesterolemia.

02

Conditions studied

  • Hypercholesterolemia
03

In context

Hypercholesterolemia

1,238 studies on the registry are indexed under Hypercholesterolemia; 109 are open to participants now.

This study's enrollment of 293 is above the median of 99 across 991 interventional studies indexed under Hypercholesterolemia.

Browse Hypercholesterolemia studies →

Lead sponsor

Kowa Company, Ltd. is the lead sponsor of 12 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
20 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Patients with hypercholesterolemia had to be age 20 years or older at written informed consent (ICF)
  2. Patients who have been on a diet and / or exercise regimen more than 12 weeks before the screening
  3. Those whose LDL-C (Friedewald formula) at the screening any of the following in the category classification based on Japan Atherosclerosis Society guidelines for prevention Atherosclerotic Cardiovascular Disease 2017

    • Low risk of primary prevention : LDL-C => 160 mg/dL
    • Medium risk of primary prevention : LDL-C => 140 mg/dL
    • High risk of primary prevention : LDL-C => 120 mg/dL

Exclusion criteria

Exclusion Criteria:

  1. Patients with a history of myopathy or rhabdomyolysis due to pitavastatin or ezetimibe
  2. Patients with a history of hypersensitivity due to pitavastatin or ezetimibe
  3. Patients with severe liver damage (Child Pugh Class B or higher) or biliary obstruction
  4. Pregnant women, lactating women, women planning to become pregnant or lactating during the study period, or pregnant women who do not use specific contraceptive methods
  5. Patients whose CK is 3 times or more of the upper limit of the reference value at screening
  6. Patients whose AST and ALT is 2 times or more of the upper limit of the reference value at screening
  7. Patients wiht type 1 diabetes or uncontrolled type 2 diabetes as defined HbA1c 8% or more at screening
  8. Patients with uncontrolled hypertension as defined systolic blood pressure of 160 mmHg or more or diastolic blood pressure of 100 mmHg or more at screening
  9. Patients with eGFR of less than 30 mL / min / 1.73 m² at screening or dialysis
  10. Patients with heart failure class III or higher according to NYHA cardiac function classification
  11. Patients with uncontrolled arrhythmia
  12. Patients with uncontrolled metabolic endocrine disease
  13. Patients with a history of coronary artery disease or patient with familial hypercholesterolemia
  14. Patients with malignant tumors or who are judged to have a high possibility of relapse
  15. Patients who have collected 200 mL or more within 4 weeks before screening, 400 mL or more of blood within 12 weeks for males or 16 weeks for females, or within 2 weeks for (Plasma component / platelet component)
  16. Persons with a history of severe drug allergy (anaphylactic shock, etc.)
  17. Patients who need contraindicated drugs during the study period after obtaining consent
  18. Patients with TG of 400 mg / dL or more at screening
  19. Patients who have LDL apheresis
  20. Patients with malabsorption or history, or who have undergone gastrointestinal surgery (excluding appendectomy, hernia treatment, etc.) that may affect absorption.
  21. Patients with Alcohol or drug addiction
  22. Patients who participate in other clinical trials within 16 weeks prior to study drug administration and who are administered non-placebo investigational drugs, or who participate in other clinical trials concurrently with this study
  23. Patients who have received K-924
  24. Patients who judged to be inappropriate by the Investigator or Investigator
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
293 participants (actual)

Study arms

  • Experimental
    K-924 LD

    K-924 LD tablet once daily

    Drug: K-924 LD

  • Experimental
    K-924 HD

    K-924 HD tablet once daily

    Drug: K-924 HD

  • Active comparator
    Pitavastatin 2 mg

    K-924 LD Placebo tablet once daily

    Drug: K-924 LD Placebo

  • Active comparator
    Pitavastatin 4 mg

    K-924 HD Placebo tablet once daily

    Drug: K-924 HD Placebo

Interventions

  • DrugK-924 LD

    Pitavastatin 2 mg / Ezetimibe 10 mg tables

  • DrugK-924 HD

    Pitavastatin 4 mg / Ezetimibe 10 mg tables

  • DrugK-924 LD Placebo

    Pitavastain 2 mg

  • DrugK-924 HD Placebo

    Pitavastain 4 mg

06

What researchers measure

Primary outcomes

  1. Efficacy : % change from baseline in LDL-C (Friedewald formula) (mg / dL)

    Time frame: Week 12

Secondary outcomes

  1. Efficacy : % change or change from baseline in LDL-C (mg / dL)

    Time frame: From baseline upto week 12

  2. Efficacy : % change or change from baseline in non-HDL-C (mg / dL)

    Time frame: From baseline upto week 12

  3. Efficacy : % change or change from baseline in HDL-C (mg / dL)

    Time frame: From baseline upto week 12

  4. Efficacy : % change or change from baseline in Total Cholesterol (mg / dL)

    Time frame: From baseline upto week 12

  5. Efficacy : % change or change from baseline in TG (mg / dL)

    Time frame: From baseline upto week 12

07

Study locations

3 sites
  • Medical Corporation Heishinkai OCROM Clinic
    Osaka, Japan
  • Medical Corporation Heishinkai OPHAC Hospital
    Osaka, Japan
  • Medical Corporation Heishinkai ToCROM Clinic
    Tokyo, Japan
08

References and documents

Publications

  • Tsujita K, Yokote K, Ako J, Tanigawa R, Tajima S, Suganami H. Efficacy and Safety of Pitavastatin/Ezetimibe Fixed-Dose Combination vs. Pitavastatin: Phase III, Double-Blind, Randomized Controlled Trial. J Atheroscler Thromb. 2023 Nov 1;30(11):1580-1600. doi: 10.5551/jat.64006. Epub 2023 Mar 11. PubMed 36908150 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 29, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04289649
Lead sponsor
Kowa Company, Ltd.
Responsible party
Sponsor
First posted
Feb 28, 2020
Start date
Apr 2, 2020
Primary completion
Nov 21, 2020
Completion
Nov 21, 2020
Last update
Nov 29, 2023

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2023. You cannot join it, but the record below documents what was studied.

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