{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T00:45:58Z","timestamp":1792025158511,"version":"4.4.0"},"reference-count":33,"publisher":"Oxford University Press (OUP)","issue":"11","license":[{"start":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T00:00:00Z","timestamp":1792022400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/100030838","name":"Merz North America, Inc.","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100030838","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Lip augmentation with hyaluronic acid (HA)\u2013based dermal fillers is commonly performed to enhance lip volume, shape, and symmetry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The aim of this study was to establish the safety and effectiveness of Belotero Intense with lidocaine (BIL), a cohesive polydensified matrix HA filler, for lip augmentation, and demonstrate its noninferiority to Restylane Silk with lidocaine (RSL), a US FDA-approved HA filler.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients with a Merz Lip Fullness Assessment Scale (MLFAS) rating of very thin, thin, or medium on upper and lower lips (Fitzpatrick skin type [FST] I-IV) or at least one lip (FST V or VI) were randomized 3:1 to receive BIL or RSL at baseline. Touch-up treatment was allowed at Week 4; retreatment at Week 48 was offered to BIL patients only. Primary effectiveness was assessed by a blinded evaluator using the MLFAS, and adverse events (AEs) were recorded up to 60 weeks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Belotero Intense with lidocaine achieved a Week 8 MLFAS-responder rate of 91.1% (144\/158; 95% CI, 85.6-95.1), with the lower limit of the CI exceeding the prespecified 50% success criterion. The least squares mean difference in change from baseline vs RSL was 0.1 (95% CI, 0.0-0.3), meeting the prespecified noninferiority criterion (ie, lower CI limit &amp;gt;\u22120.5). Among Week 8 responders, 70\/137 (51.1%) maintained improvement through Week 48 (post hoc analysis). No severe or serious related treatment-emergent AEs or unexpected AEs were reported.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Belotero Intense with lidocaine is a safe and effective treatment for lip augmentation in patients with upper and\/or lower lip volume deficits.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence: 1 (Therapeutic)<\/jats:title>\n                    <jats:p\/>\n                  <\/jats:sec>","DOI":"10.1093\/asj\/sjag200","type":"journal-article","created":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T11:47:37Z","timestamp":1789213657000},"page":"1236-1245","source":"Crossref","is-referenced-by-count":0,"title":["A Prospective, Multicenter, Evaluator-Blind, Randomized, Comparator-Controlled Study of Belotero Intense (+), a Hyaluronic Acid Filler With Lidocaine, for Lip 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