Effect of Vitis Vinifera Seed Extract on Venous Reflux Time in Varicose Vein

Inclusion Criteria:

1. Adult males and females aged between 19 and under 80 years old

2. Patients with the following findings on venous Doppler ultrasound examination:

• Superficial veins (such as the great saphenous vein, small saphenous vein,etc.) showing valvular reflux for 0.5 seconds or longer

• Deep veins (such as the femoral vein, etc.) showing valvular reflux for 1second or longer

3. Patients who have completed the washout period as described below by Visit 2,including the screening period:

• Analgesics, steroids, anti-inflammatory drugs, and venoactive medications (suchas Entelon, etc.): at least 4 weeks

4. Patients who voluntarily provide written informed consent to participate in thisclinical trial

Exclusion Criteria:

1. Peripheral arterial occlusive disease in the lower limbs

2. Asymptomatic lower extremity varicose veins

3. Acute deep vein thrombosis

4. Frequent lower limb pain due to neuropathy

5. Patients who have undergone or are scheduled for varicose vein procedures/surgeries (However, patients who have had a procedure or surgery more than 1 year prior to thescreening date are eligible to participate)

6. Patients diagnosed with systemic diseases causing edema or thrombosis, such as heartfailure, endocrine diseases (hypothyroidism, Cushing's syndrome, uncontrolleddiabetes), allergic reactions to medications, urticaria and angioedema,malabsorption and protein-calorie malnutrition, obstructive sleep apnea, orthrombophilia, as determined by the investigator

7. History of malignancy within the past 5 years, but the following cases are eligiblefor clinical trial participation:

• Those who have a history within the past 5 years but maintain a cured statewithout recurrence or metastasis

• Those who have completed treatment for their tumor and have been disease-freefor at least 5 years from the screening date

• Those who have passed at least 1 year since the screening date after completeresection of basal cell carcinoma/squamous cell carcinoma, radical resection ofthyroid papillary cancer, or successful treatment of cervical intraepithelialneoplasia

8. Severe renal dysfunction (serum creatinine levels more than twice the normal upperlimit of the institution) at the screening date

9. Severe liver dysfunction (ALT or AST levels more than three times the normal upperlimit of the institution) at the screening date

10. Need to receive diuretics or contraindicated medications and therapies that mayaffect the results of this clinical trial during the study period (However, patientswho have been taking antihypertensive medications (calcium channel blockers,beta-blockers, angiotensin-converting enzyme inhibitors, vasodilators,vasoconstrictors) at the same dosage for at least 4 weeks (28 days) before screeningand will maintain the same dosage and administration during the study period areeligible to participate)

11. History of clinically significant psychiatric disorders or alcohol abuse

12. History of hypersensitivity reactions to the investigational drug or its ingredients

13. Those who have participated in or are scheduled to participate in other clinicaltrials (investigational drugs, medical devices, health functional foods) within 12weeks from the screening date

14. Pregnant or breastfeeding women

15. Women of childbearing potential who plan to become pregnant during the clinicaltrial participation period

16. Individuals deemed unsuitable for participation in the clinical trial by theinvestigator