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A Study Evaluating the Effects of Ataciguat (HMR1766) on Aortic Valve Calcification

CompletedPhase 2

Sponsor: Mayo Clinic

Conditions: Aortic Valve Stenosis

Interventions: Ataciguat (HMR1766), Placebo Comparator: Matching Placebo

Countries: United States

The primary objective of the current study is to determine whether Ataciguat (HMR1766) slows progression of valve calcification in patients with moderate calcific aortic valve stenosis. Secondary and tertiary objectives are to determine whether Ataciguat slows progression of aortic valve function, reduces systemic inflammation, and prevents left ventricular dysfunction in patients with moderate calcific aortic valve stenosis.

Eligibility overview

Sex: ALL

Age: 50 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria

1. Age \> 50 years
2. Male or female sex
3. Aortic valve area greater than 1.0 cm2 but less than 2.0 cm2
4. Aortic valve calcium levels greater than 300 AU from chest CT
5. Ejection fraction \>50%

Exclusion Criteria

1. Orthostatic intolerance or symptomatic hypotension prior to study or during study visits
2. Positive pregnancy test during screening visit
3. Nitrate use or α-antagonist medication use within 24 hours
4. Systolic blood pressure \<110 mm Hg
5. Mean systemic arterial pressure \<75 mm Hg
6. Severe mitral or aortic regurgitation
7. Retinal or optic nerve problems
8. Recent (≤30 days) acute coronary syndrome
9. Oxygen saturation \<90% on room air
10. Congenital valve disease
11. Hepatic dysfunction/elevated liver enzymes
12. Prescription of drugs known to alter NO-sGC-cGMP signaling (sildenafil, nitrates, etc.)
13. Prescription of Warfarin (Coumadin) for chronic anticoagulation
14. Concomitant participation in other trials at Mayo Clinic or elsewhere
15. Use of phenytoin or related compounds for any indication
16. Chronic midazolam treatment for any indication
17. Use of monoamine oxidase inhibitors for any indication
18. Use of anti-diabetic drugs in the sulfonylurea family

Locations (1)

Rochester, Minnesota, United States