{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T23:44:45Z","timestamp":1791848685724,"version":"4.3.4"},"reference-count":64,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"13","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circulation"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND:<\/jats:title>\n                    <jats:p>Pharmacological treatments for fibrocalcific aortic valve stenosis (FCAVS) have been elusive for &gt;50 years. Here, we tested the hypothesis that reactivation of oxidized sGC (soluble guanylate cyclase), the primary receptor for nitric oxide, with ataciguat is a safe and efficacious strategy to slow progression of FCAVS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS:<\/jats:title>\n                    <jats:p>We used quantitative real-time reverse transcription polymerase chain reaction, Western blotting, and immunohistochemistry to characterize sGC signaling and the biological effects of ataciguat on signaling cascades related to nitric oxide, calcification, and fibrosis in excised human aortic valve tissue, aortic valve interstitial cells, and mouse aortic valves. We then conducted randomized, placebo-controlled phase I (14-day safety\/tolerance) and phase II (6-month efficacy) trials in patients with moderate aortic valve stenosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS:<\/jats:title>\n                    <jats:p>\n                      In excised human tissue, we found robust losses in sGC signaling despite upregulation of sGC subunits. In vitro, ataciguat increased sGC signaling and reduced BMP2 (bone morphogenetic protein 2) signaling in aortic valve interstitial cells. In mice with established FCAVS, treatment with ataciguat attenuated BMP signaling and slowed progression of valve calcification and dysfunction. In a phase I, randomized, placebo-controlled trial, treatment with ataciguat for 2 weeks was safe and well tolerated in patients with moderate FCAVS (\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n                      ; Unique identifier: NCT02049203). In a separate phase II, randomized, placebo-controlled trial, treatment with ataciguat for 6 months slowed the progression of aortic valve calcification and tended to slow the progression of valvular and ventricular dysfunction in patients with moderate FCAVS (\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n                      ; Unique identifier: NCT02481258).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS:<\/jats:title>\n                    <jats:p>Collectively, this study highlights the therapeutic potential of the targeted restoration of the diseased\/inactive form of sGC for treatment of FCAVS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>REGISTRATION:<\/jats:title>\n                    <jats:p>\n                      URL:\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n                      ; Unique identifier: NCT02049203. URL:\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n                      ; Unique identifier: NCT02481258.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1161\/circulationaha.123.066523","type":"journal-article","created":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T05:01:06Z","timestamp":1740373266000},"page":"913-930","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":30,"title":["Reactivation of Oxidized Soluble Guanylate Cyclase as a Novel Treatment Strategy to Slow Progression of Calcific Aortic Valve Stenosis: Preclinical and Randomized Clinical Trials to Assess Safety and Efficacy"],"prefix":"10.1161","volume":"151","clinical-trial-number":[{"clinical-trial-number":"nct02049203","registry":"10.18810\/clinical-trials-gov"},{"clinical-trial-number":"nct02481258","registry":"10.18810\/clinical-trials-gov"}],"author":[{"given":"Bin","family":"Zhang","sequence":"first","affiliation":[{"name":"Departments of Surgery (B.Z., C.M.R., M.A.H., H.Z., G.C.-V., J.S., B.D., J.D.M.), Mayo Clinic, Rochester, MN."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0910-5450","authenticated-orcid":true,"given":"Maurice","family":"Enriquez-Sarano","sequence":"additional","affiliation":[{"name":"Cardiovascular Diseases (M.E.-S., H.I.M., R.H., S.P., V.T.N., Z.Y.), Mayo Clinic, Rochester, MN."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0994-027X","authenticated-orcid":true,"given":"Hartzell V.","family":"Schaff","sequence":"additional","affiliation":[{"name":"Cardiovascular Surgery (H.V.S., B.D., J.D.M.), Mayo Clinic, Rochester, MN."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2341-5247","authenticated-orcid":true,"given":"Hector I.","family":"Michelena","sequence":"additional","affiliation":[{"name":"Cardiovascular Diseases (M.E.-S., H.I.M., R.H., S.P., V.T.N., Z.Y.), Mayo Clinic, Rochester, MN."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carolyn M.","family":"Roos","sequence":"additional","affiliation":[{"name":"Departments of Surgery (B.Z., C.M.R., M.A.H., H.Z., G.C.-V., J.S., B.D., J.D.M.), Mayo Clinic, Rochester, MN."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9323-5348","authenticated-orcid":true,"given":"Michael A.","family":"Hagler","sequence":"additional","affiliation":[{"name":"Departments of Surgery (B.Z., C.M.R., M.A.H., H.Z., G.C.-V., J.S., B.D., J.D.M.), Mayo Clinic, Rochester, 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