Randomized, Open-label Trial of Inhibitory Effect of Evogliptin on Progression of CAVD

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

218 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-30

Study Completion Date

2024-09-30

Brief Summary

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The purpose of this study is to assess an inhibitory effect of Evogliptin on the progression of mild-to-moderate aortic stenosis in patients with T2DM and calcific aortic stenosis.

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Detailed Description

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Despite a lot of clinician's efforts to develop an effective medical treatment of calcific aortic valve disease (CAVD) for decades, there is no scientifically-proved medical treatment yet. Since the pathological features of CAVD are characterized by inflammatory cell infiltration and lipid deposition, as in atherosclerosis, statin drugs that are proved to be effective in the treatment of cardiovascular disease, have been used in the most recent randomized clinical trials; however, different types of medications showed negative results and thus, CAVD represents an unmet clinical need.

Researchers of Asan Medical Center have proved that dipeptidyl-peptidase-4 (DPP-4)-IGF (insulin-like growth factor)-1 axis is important for pathologic osteoblast transformation of valvular interstitial cell (VIC), and reported that the administration of DPP-4 inhibitor prevents the calcification effectively in the actual animal model of CAVD. Under a normal condition, IGF-1 suppresses the pathologic transformation of VIC; however, when endothelial cells are damaged due to aging or various pathological conditions, DPP-4 expression is increased in valvular tissue. Since DPP-4 acts as an enzyme that degrades IGF-1, it reduces normal IGF-1 activity and increases transformation of VIC to osteoblast, causing pathological calcification and worsening CAVD.

After comparing six different DPP-4 inhibitors, researchers of Asan Medical Center discovered that evogliptin has higher cardiac tissue distribution compared to other DPP-4 inhibitors. In addition, the DPP-4 inhibitors with high cardiac tissue distribution have shown decreased incidence rate of severe CAVD in the retrospective study. Based on these findings, this study will examine the effect of evogliptin on progression of CAVD.

The study is a randomized, open-label trial of evogliptin in subjects with T2DM and moderate-to-severe CAVD. Subjects who have agreed to participate in the study and signed the ICF will undergo a screening period and those who meet the eligibility criteria will be randomized in a 1:1 ratio to evogliptin or non-evogliptin group. The subjects will take the drug for 96 weeks and will be closely monitored for efficacy. The effectiveness of evogliptin on inhibition of CAVD progression will be evaluated by comparing the change in aortic valve calcium volume in the evogliptin group against that of the non-evogliptin group.

Conditions

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CAVD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized, open-label trial

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Evogliptin Group

evogliptin 5mg daily

Group Type EXPERIMENTAL

Evogliptin

Intervention Type DRUG

Subjects will receive evogliptin 5 mg daily

Non-evogliptin Group

DM medications except evogliptin and other DPP-4 inhibitors

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Evogliptin

Subjects will receive evogliptin 5 mg daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Male and female aged 19 years or older
2. Subjects who were diagnosed with type 2 diabetes mellitus and being treated with oral hypoglycemic drugs
3. Subjects whose Doppler echocardiography or Heart CT performed within 8 weeks prior to or during Screening Visit (Visit 1) is satisfying any of the followings:

* Doppler echocardiogrphy (aortic valve calcification and/or hypertrophy with aortic peak velocity≥2.0 m/s); or
* Heart CT (aortic valve calcium score≥300 AU)
4. Subjects who decided to take part in this study on his/her own volition after listening to the details of this study

Exclusion Criteria

1. Subjects with severe aortic valve stenosis (aortic peak velocity\>4.0 m/s, mean pressure gradient \>40 mmHg, or aortic valve area≤0.75 cm2)
2. Subjects with left ventricular ejection fraction \< 40%
3. Heart failure patients: Subjects with heart failure of NYHA functional class II-IV
4. Subjects with an estimated glomerular filtration rate (eGFR) of \<30ml
5. Subjects with type 1 diabetes or diabetic ketoacidosis
6. Subjects with serious hypersensitivity to DPP-4 inhibitors
7. Subjects who have received/are receiving any of the following medication therapies:

* Vitamin K
* Calcium supplement (or osteoporosis medication)
8. Subjects whose aortic valve stenosis is not caused by degenerative or bicuspid valve disease (e.g. rheumatic valve disease)
9. Subjects who have received or are expected to receive (as of Visit 1) aortic valve surgery during the study.
10. Subjects for whom a two-year clinical course investigation is not possible due to malignant tumor or cerebrovascular disease
11. Pregnant or lactating women
12. Women of childbearing potential who are sexually active and do not agree to use proper contraception during the study

* Proper contraception means physical barrier method including condom, contraceptive diaphragm or cervix cap. The use of contraceptive or oral contraceptive containing hormones that may induce drug-drug interaction with the investigational product is not allowed during the study (with the exception of an oral contraceptive administered to cure menopausal symptoms, only if the dosage has been consistent for the past 8 weeks)
13. Any other subjects deemed not eligible for this study by an investigator

Minimum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No