{"id":411514,"date":"2021-01-10T18:47:58","date_gmt":"2021-01-10T23:47:58","guid":{"rendered":"http:\/\/www.marketnewsdesk.com\/?p=411514"},"modified":"2021-01-10T18:47:58","modified_gmt":"2021-01-10T23:47:58","slug":"biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set\/","title":{"rendered":"BioMarin Announces Positive Phase 3 Gene Therapy Trial Results in Adults with Severe Hemophilia A; Study Met All Primary and Secondary Efficacy Endpoints in One-Year Data Set"},"content":{"rendered":"<div class=\"xn-newslines\">\n<h2 class=\"xn-hedline\">&#8211; Significantly Reduced Mean Annualized Bleeding Rate by 84% (p-value &lt;0.0001) Demonstrating Superiority to Factor VIII Prophylaxis, and Reduced Mean Annualized Factor VIII Infusion Rate by 99% (p-value &lt;0.0001)<\/h2>\n<h2 class=\"xn-hedline\">&#8211; Mean Factor VIII Expression 42.9 IU\/dL at One Year in Full Study Population<\/h2>\n<h2 class=\"xn-hedline\">&#8211; In Subset Dosed More than Two Years Ago, Slower Rate of Decline in Factor VIII Expression Was Observed Compared to Prior Study: Mean ABR in This Population Was 0.9 Over These Two-Plus Years<\/h2>\n<h2 class=\"xn-hedline\">&#8211; BioMarin Plans to Meet with EMA to Discuss Submission of One-Year Data and FDA to Review Two-Year Data Request<\/h2>\n<h2 class=\"xn-hedline\">&#8211; Call and Webinar to be Held Today, Sunday, January 10, 2021 at 7:15 PM Eastern<\/h2>\n<p class=\"xn-distributor\">PR Newswire<\/p>\n<\/p><\/div>\n<div class=\"xn-content\">\n<p>\n        <span class=\"xn-location\">SAN RAFAEL, Calif.<\/span>, <span class=\"xn-chron\">Jan. 10, 2021<\/span> \/PRNewswire\/ &#8212;\u00a0BioMarin Pharmaceutical Inc. (NASDAQ: BMRN) today announced positive topline results from its ongoing global Phase 3 GENEr8-1 study of valoctocogene roxaparvovec, an investigational gene therapy for the treatment of adults with severe hemophilia A.\u00a0 This is the largest global Phase 3 study to date for any gene therapy in any indication, with 134 participants. \u00a0All participants in the study received a single dose of valoctocogene roxaparvovec and completed a year or more of follow-up.\u00a0<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder1\">\n<p>\n          <a href=\"https:\/\/mma.prnewswire.com\/media\/1417431\/Biomarin.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><br \/>\n            <img decoding=\"async\" src=\"https:\/\/mma.prnewswire.com\/media\/1417431\/Biomarin.jpg\" title=\"Figure 1: Box-and-Whiskers Plot of Factor VIII Activity in 4-Week Intervals, Subset Population (N=17*) - Key:  The boxes show the interquartile ranges with the lines in the boxes indicating medians. The ends of the whiskers represent the minimum and maximum values and diamonds indicate the means. - * Includes only HIV-negative subjects dosed 2 or more years prior to Nov 2020 data cut date. One subject was lost to follow-up at 66.1 weeks and was henceforth imputed to have a Factor VIII activity of 0 IU\/dL through 104 weeks\" alt=\"Figure 1: Box-and-Whiskers Plot of Factor VIII Activity in 4-Week Intervals, Subset Population (N=17*) - Key:  The boxes show the interquartile ranges with the lines in the boxes indicating medians. The ends of the whiskers represent the minimum and maximum values and diamonds indicate the means. - * Includes only HIV-negative subjects dosed 2 or more years prior to Nov 2020 data cut date. One subject was lost to follow-up at 66.1 weeks and was henceforth imputed to have a Factor VIII activity of 0 IU\/dL through 104 weeks\" \/><br \/>\n          <\/a>\n        <\/p>\n<\/p><\/div>\n<p>Data from the GENEr8-1 Phase 3 study with a mean follow-up of 71.6 weeks showed that in the pre-specified primary analysis for Annualized Bleeding Rate (ABR) a single dose of valoctocogene roxaparvovec significantly reduced ABR by 84% from a prospectively collected 4.8 (median 2.8) at baseline to 0.8 (median 0.0) bleeding episodes per year (p-value &lt;0.0001), among a pre-specified group of prior participants in a non-interventional baseline observational study (rollover population; N=112). 80% of participants were bleed-free starting at week five after treatment. \u00a0<\/p>\n<p>Valoctocogene roxaparvovec also significantly reduced the mean annualized Factor VIII in the rollover population by 99% from 135.9 (median 128.6) to 2.0 (median 0.0) infusions per year (p-value &lt;0.0001). \u00a0<\/p>\n<p>\n        <b>Table 1:\u00a0 Mean\/Median Annualized Bleeding Rate (ABR) and FVIII Infusion Rate in Phase 3 GENEr8-1 Study Rollover Population (N=112) from Week 5 Through Week 52 at <span class=\"xn-chron\">Nov. 2020<\/span> Cut Off<\/b>\n      <\/p>\n<div class=\"prntal\">\n<table cellspacing=\"0\" cellpadding=\"0\" border=\"1\" class=\"prntblns\">\n<tr>\n<td nowrap=\"nowrap\" class=\"prnsbts prnrbrs prnvat prnsbb1 prntac prnpl6 prnsbls prnpr6\">\n              \n            <\/td>\n<td class=\"prngen3\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 3<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Rollover Population*<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>On Factor VIII prophylaxis, before <br \/>valoctocogene roxaparvovec infusion<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>N=112<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prnsbts prnrbrs prnvat prnsbbs prntac prnpl6 prnsbl1 prnpr6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 3<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Rollover Population*<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>After valoctocogene roxaparvovec <br \/>infusion<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>N=112<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen5\">\n              \n            <\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Mean (SD)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Median (IQR)<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Mean (SD)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Median (IQR)<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen5\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Annualized <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\"><span class=\"prnews_span\"><b>Bleeding Rate <\/b><\/span><\/p>\n<p class=\"prnews_p\"><span class=\"prnews_span\">(bleeding <\/span><\/p>\n<p class=\"prnews_p\"><span class=\"prnews_span\">episodes per <br \/><\/span><\/p>\n<p><\/span><br \/>\n                <span class=\"prnews_span\">year)<\/span><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<\/td>\n<td class=\"prngen7\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">4.8 (6.5)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">2.8 (0.0, 7.6)<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen7\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">0.8 (3.0)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">0.0 (0.0, 0.0)<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen5\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Annualized <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\"><span class=\"prnews_span\"><b>FVIII <\/b>\u00a0I<b>nfusion <br \/><\/b><\/span><\/p>\n<p><\/span><br \/>\n                <span class=\"prnews_span\"><br \/>\n                  <b>Rate<\/b> (infusions per <br \/><\/span><br \/>\n                <span class=\"prnews_span\"><br \/>\n                  <b>year)<\/b><br \/>\n                <\/span><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<\/td>\n<td class=\"prngen7\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">135.9 (52.0)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">128.6 (104.1, 159.9)<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen7\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">2.0 (6.4)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">0.0 (0.0, 0.9)<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<div>\n<table id=\"convertedTablec533\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" class=\"prntblns\">\n<tr>\n<td class=\"prngen8\">\n              \n            <\/td>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">*See study descriptions for patient population information.<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<p>At the end of the first year post-infusion with valoctocogene roxaparvovec, participants in the modified intent-to-treat (mITT) population (N=132) had a mean endogenous Factor VIII expression level of 42.9 (SD 45.5, median 23.9) IU\/dL, as measured by the chromogenic substrate (CS) assay, supporting the marked clinical benefits observed with abrogation of bleeding episodes and Factor VIII infusion rate. Factor VIII expression declined at a slower rate compared to the Phase 1\/2 study, and remained in a range to provide hemostatic efficacy. In a subset of the mITT population that had been dosed at least two years prior to the data cut date (N=17), Factor VIII expression declined from a mean of 42.2\u00a0(SD 50.9, median 23.9) IU\/dL at the end of year one to a mean of 24.4 (SD 29.2, median 14.7) IU\/dL at the end of year two with continued hemostatic efficacy demonstrated by a mean ABR of 0.9 (median 0.0) bleeding episodes per year.\u00a0 <\/p>\n<p>\n        <b>Table 2:\u00a0 Factor VIII Activity Levels in 6-Month Intervals<\/b>\n      <\/p>\n<div>\n<table cellspacing=\"0\" cellpadding=\"0\" border=\"1\" class=\"prntblns\">\n<tr>\n<td nowrap=\"nowrap\" class=\"prnsbts prnrbrs prnvab prnsbbs prntac prnpl6 prnsbls prnpr6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Median Factor <\/b><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\"><br \/>\n                      <b>VIII Activity, <\/b><br \/>\n                    <\/span>\n                  <\/p>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\"><br \/>\n                      <b>IU\/dL<\/b><br \/>\n                    <\/span>\n                  <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\" \/>\n                  <\/p>\n<p>                <\/span><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<\/td>\n<td class=\"prngen3\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 3 Rollover<\/b><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\"><br \/>\n                      <b>Population<\/b><br \/>\n                    <\/span>\n                  <\/p>\n<p>                <\/span><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>(N=112)<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>Mean (SD)<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>Median<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<\/td>\n<td class=\"prngen3\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 3 mITT <\/b><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\"><br \/>\n                      <b>Subset<\/b><br \/>\n                    <\/span>\n                  <\/p>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\"><br \/>\n                      <b>Population<\/b><br \/>\n                    <\/span>\n                  <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                    <span class=\"prnews_span\" \/>\n                  <\/p>\n<p>                <\/span><\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>(N=17*)<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>Mean (SD)<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\">\n                  <span class=\"prnews_span\"><br \/>\n                    <b>Median<\/b><br \/>\n                  <\/span>\n                <\/p>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<p class=\"prnews_p\" \/>\n<\/td>\n<td class=\"prngen3\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 1\/2<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>6e13 vg\/kg <\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Cohort<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>(N=7)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Mean (SD)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Median<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Phase 1\/2 <\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>4e13 vg\/kg <\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Cohort<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>(N=6)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\" \/>\u00a0<\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Mean (SD)<\/b><br \/>\n                <\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Median<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen10\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Week 26 <\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">55.1 (57.4)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">38.6<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">43.9 (42.1)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">33.8<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">71.0 (41.6)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">61.2<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">18.0 (8.7)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">18.0<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen10\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Week 52<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">43.6 (45.3)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">24.2<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">42.2 (50.9)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">23.9<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">63.6 (36.5)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">60.3<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">21.1 (12.3)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">23.8<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen10\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Week 76<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n              \n            <\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">27.9 (30.6)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">15.8<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">53.9 (31.2)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">50.2<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">20.6 (15.4)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">21.3<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\" class=\"prngen10\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Week 104<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n              \n            <\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">24.4 (29.2)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">14.7<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">36.4 (26.3)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">26.2<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">12.3 (8.2)<\/span>\n              <\/p>\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">11.6<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<div>\n<table id=\"convertedTable86c3\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" class=\"prntblns\">\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <i>*Includes only HIV-negative subjects dosed 2 or more years prior to Nov 2020 data cut date. One participant was lost to follow-up at 66.1 weeks and was henceforth imputed to have a Factor VIII activity of 0 IU\/dL through 104 weeks.<\/i><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<p>\n        <b><br \/>\n          <b>Please see Figure 1: Box-and-Whiskers Plot.<\/b><br \/>\n        <\/b>\n      <\/p>\n<p \/>\n<p>This is the first statistical evidence demonstrating ABR superiority in a gene therapy trial.\u00a0 These data give us confidence in this groundbreaking alternative to existing therapies and bring us one step closer to a potential new treatment choice to fulfill an unmet medical need for people with hemophilia A,&#8221; said <span class=\"xn-person\">Steven W. Pipe<\/span>, MD, Professor of Pediatrics and Pathology, Coagulation Director, Special Coagulation Laboratory Laurence A. Boxer, MD Research Professor of Pediatrics and Communicable Diseases Department of Pathology Michigan Medicine at the <span class=\"xn-org\">University of Michigan<\/span> and investigator in the Phase 3 study.\u00a0 &#8220;This data set adds to the growing body of scientific and clinical data around valoctocogene roxaparvovec gene therapy for hemophilia A and creates the possibility for a new treatment paradigm.&#8221;<\/p>\n<p>&#8220;Over the past seven years, we have conducted rigorous scientific research and clinical programs to address the unmet medical needs of people with severe hemophilia A,&#8221; said <span class=\"xn-person\">Hank Fuchs<\/span>, M.D., President of Worldwide Research and Development at BioMarin. &#8220;The decades-long aspirations of the hemophilia community are at the forefront of our ongoing commitment to advance this promising investigational gene therapy for the treatment of severe hemophilia A. We are very encouraged by these data and look forward to working with regulatory authorities, treating physicians, and people with hemophilia A to further understand the potential of this gene therapy.&#8221; <\/p>\n<p>&#8220;Although factor replacement therapy has been shown to be a safe and effective treatment modality in hemophilia, it suffers both from incomplete prevention of joint disease and having a high treatment burden with recurring needs for intravenous infusions, which can limit important daily activities out of fear of bleeds,&#8221;\u00a0said <span class=\"xn-person\">Guy Young<\/span>, M.D., Director, Hemostasis and Thrombosis Program at Children&#8217;s Hospital Los Angeles and Professor of Pediatrics (Clinical Scholar), Keck School of Medicine of University of Southern California.\u00a0 &#8220;Novel therapeutic approaches such as gene therapy offer the prospect for both complete prevention of bleeds and subsequent joint damage and eliminating the burden associated with current treatments resulting in an improved quality of life.&#8221; <\/p>\n<p>\n        <b>Valoctocogene Roxaparvovec Safety<\/b>\n      <\/p>\n<p>Overall, in the Phase 3 study, valoctocogene roxaparvovec has been well\u00a0tolerated by the 134\u00a0participants who received a single 6e13 vg\/kg dose. No participants developed inhibitors to Factor VIII, or thromboembolic events.\u00a0 One participant was lost to follow-up.\u00a0 Infusion-related reactions were effectively mitigated by managing infusion rates.<\/p>\n<p>Alanine aminotransferase (ALT) elevation (115 participants, 86%), a laboratory test of liver function, remained the most common\u00a0adverse event (AE).\u00a0 Other common adverse events were headache (51 participants, 38%), nausea (50 participants, 37%),\u00a0aspartate aminotransferase (AST) elevation (47 participants, 35%), arthralgia (38 participants, 28%) and fatigue (37 participants, 27%).\u00a0 Twenty-two (16.4%) participants experienced a total of 43 serious adverse events (SAEs), and all SAEs resolved.\u00a0 <\/p>\n<p>Common, steroid-related side effects can occur with temporary use of corticosteroid (or alternative immunosuppressants) to manage ALT elevation. These side effects have generally been grade 1\/2 in intensity, manageable and reversible. Isolated grade 3 steroid-related sides effects (e.g., diabetes, hypertension, weight gain, bone fractures) were observed with longer-term higher dose corticosteroid administration. Corticosteroid-related grade 3 SAEs emerged as a safety issue with extended use of corticosteroids which were reversible with only one event of weight gain ongoing.\u00a0 <\/p>\n<p>Overall, in the Phase 1\/2 study, the safety profile of valoctocogene roxaparvovec remains consistent with previously reported data with no delayed-onset, treatment-related events.\u00a0 No participants developed inhibitors to Factor VIII, and no participants withdrew from the study.\u00a0 No participants have developed thrombotic events.\u00a0 The most common adverse events associated with valoctocogene roxaparvovec occurred early and included transient infusion-associated reactions and transient, asymptomatic, and mild to moderate rise in the levels of certain proteins and enzymes measured in liver function tests with no long-lasting clinical sequelae.<b>\u00a0<\/b><\/p>\n<p>\n        <b>GENEr8-1 Study Description<\/b>\n      <\/p>\n<p>The global Phase 3 GENEr8-1 study evaluates superiority of valoctocogene roxaparvovec at the 6e13 vg\/kg dose compared to the current standard of care, FVIII prophylactic therapy.\u00a0 All study participants had severe hemophilia A at baseline, defined as less than or equal to 1 IU\/dL of Factor VIII activity.\u00a0 The study included 134 total participants, all of whom had a minimum of 12 months of follow-up at the time of the datacut. \u00a0The first 22 participants were directly enrolled into the Phase 3 study, 17 of whom were HIV-negative and dosed at least 2 years prior to the datacut date (referred to as the subset).\u00a0 The remaining 112 participants (rollover population) completed at least six months in a separate non-interventional study to prospectively assess bleeding episodes, Factor VIII use, and health-related quality of life while receiving Factor VIII prophylaxis prior to rolling over to receive a single infusion of valoctocogene roxaparvovec in the GENEr8-1 study.<\/p>\n<p>\n        <b>Regulatory Status<\/b>\n      <\/p>\n<p>BioMarin is working with the U.S. Food and Drug Administration (FDA) to align on steps forward to obtain marketing approval for valoctocogene roxaparvovec gene therapy for severe hemophilia A. The FDA recommended that the Company complete the Phase 3 study and submit two-year follow-up safety and efficacy data on all study participants. Additionally, the European Medicines Agency (EMA) requested one-year results from the full Phase 3 study to inform their benefit-risk assessment. To facilitate this submission within the EMA regulatory framework, BioMarin withdrew the MAA and plans to resubmit the MAA with these data to the EMA in the second quarter of 2021 following discussions with the Agency.<\/p>\n<p>The FDA has granted valoctocogene roxaparvovec Breakthrough Therapy Designation.\u00a0 BioMarin&#8217;s valoctocogene roxaparvovec has received orphan drug designation from the FDA and EMA for the treatment of severe hemophilia A.\u00a0The Orphan Drug Designation program is intended to advance the evaluation and development of products that demonstrate promise for the diagnosis and\/or treatment of rare diseases or conditions.\u00a0<\/p>\n<p>\n        <b>Call and Webinar to be Held Today, <span class=\"xn-chron\">January 10, 2021<\/span> at <span class=\"xn-chron\">7:15 PM Eastern Time<\/span><\/b>\n      <\/p>\n<p>Join from a PC, Mac, iPad, iPhone or Android device:<\/p>\n<p>Please click <a target=\"_blank\" href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3032504-1&amp;h=3023838879&amp;u=https%3A%2F%2Fnam02.safelinks.protection.outlook.com%2F%3Furl%3Dhttps%253A%252F%252Fbmrn.zoom.us%252Fj%252F95919432167%26amp%3Bdata%3D04%257C01%257CDCharlesworth%2540bmrn.com%257Ce791da2361484c172d1e08d8b524143a%257C7a1fa97c71fe4f42a823eab0b6012858%257C0%257C0%257C637458513860951045%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C1000%26amp%3Bsdata%3DPdf5onMaitBIGQ%252B39f81CHDPIzpQnsKIA%252BJiwN1EATw%253D%26amp%3Breserved%3D0&amp;a=here\" rel=\"nofollow noopener noreferrer\">here<\/a>\u00a0to join a live Zoom video webinar at <span class=\"xn-chron\">7:15 PM<\/span> Eastern. <\/p>\n<p>Or join by phone:<\/p>\n<p id=\"indentid\" class=\"prnml40\">Dial (for higher quality, dial a number based on your current location):<\/p>\n<p id=\"indentid\" class=\"prnml40\">US: +1 669 900 6833\u00a0 or +1 346 248 7799\u00a0 or +1 253 215 8782\u00a0 or +1 312 626 6799\u00a0 or +1 929 205 6099\u00a0 or +1 301 715 8592 <\/p>\n<p>Zoom Webinar ID: <b>959 1943 2167<\/b><\/p>\n<p>International numbers available <a target=\"_blank\" href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3032504-1&amp;h=3597241336&amp;u=https%3A%2F%2Fnam02.safelinks.protection.outlook.com%2F%3Furl%3Dhttps%253A%252F%252Fbmrn.zoom.us%252Fu%252Facmf1SWPmv%26amp%3Bdata%3D04%257C01%257CDCharlesworth%2540bmrn.com%257Ce791da2361484c172d1e08d8b524143a%257C7a1fa97c71fe4f42a823eab0b6012858%257C0%257C0%257C637458513860951045%257CUnknown%257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%253D%257C1000%26amp%3Bsdata%3DCCluBT9K6LIJrXqCzHaTIK8kr%252BPmai1RSASf%252FfllsMY%253D%26amp%3Breserved%3D0&amp;a=here\" rel=\"nofollow noopener noreferrer\">here<\/a>.\u00a0\u00a0 <\/p>\n<p>\n        <b>Phase 1\/2 Dose Escalation Study Description<\/b>\n      <\/p>\n<p>The Phase 1\/2 dose escalation study is ongoing and continues to monitor participants long-term. \u00a0In the study, a total of 15 patients with severe hemophilia A and Factor VIII activity levels less than or equal to 1 IU\/dL received a single dose of BMN 270, seven of whom were treated at a dose of 6e13 vg\/kg and six of whom were treated at a lower dose of 4e13 vg\/kg.\u00a0 The other two participants were treated at lower doses as part of dose escalation in the study and did not achieve therapeutic efficacy.\u00a0\u00a0 <\/p>\n<p>\n        <b>Robust Clinical Program<\/b>\n      <\/p>\n<p>BioMarin has multiple clinical studies underway in its comprehensive gene therapy program for the treatment of severe hemophilia A.\u00a0 In addition to the global Phase 3 study GENEr8-1 and the ongoing Phase 1\/2 dose escalation study, the Company recently began enrolling participants in a Phase <span class=\"xn-money\">3b<\/span>, single arm, open-label study to evaluate the efficacy and safety of valoctocogene roxaparvovec at a dose of 6e13 vg\/kg with prophylactic corticosteroids in people with hemophilia A.\u00a0 The Company is running a Phase 1\/2 Study with the 6e13kg\/vg dose of valoctocogene roxaparvovec in approximately 10 participants with pre-existing AAV5 antibodies, as well as another Phase 1\/2 Study with the 6e13 vg\/kg dose of valoctocogene roxaparvovec in people with hemophilia A with active or prior FVIII inhibitors.\u00a0 <\/p>\n<p>\n        <b>About Hemophilia A<\/b>\n      <\/p>\n<p>People living with hemophilia A lack sufficient functioning Factor VIII protein to help their blood clot and are at risk for painful and\/or potentially life-threatening bleeds from even modest injuries. Additionally, people with the most severe form of hemophilia A (FVIII levels &lt;1%) often experience painful, spontaneous bleeds into their muscles or joints.\u00a0 Individuals with the most severe form of hemophilia A make up approximately 50 percent of the hemophilia A population.\u00a0 People with hemophilia A with moderate (FVIII 1-5%) or mild (FVIII 5-40%) disease show a much-reduced propensity to bleed.\u00a0 The standard of care for individuals with severe hemophilia A is a prophylactic regimen of replacement Factor VIII infusions administered intravenously up to two to three times per week or 100 to 150 infusions per year.\u00a0 Despite these regimens, many people continue to experience breakthrough bleeds, resulting in progressive and debilitating joint damage, which can have a major impact on their quality of life. <\/p>\n<p>Hemophilia A, also called Factor VIII deficiency or classic hemophilia, is an X-linked genetic disorder caused by missing or defective Factor VIII, a clotting protein. Although it is passed down from parents to children, about 1\/3 of cases are caused by a spontaneous mutation, a new mutation that was not inherited. Approximately 1 in 10,000 people have Hemophilia A. <\/p>\n<p>\n        <b>About BioMarin<\/b>\n      <\/p>\n<p>BioMarin is a global biotechnology company that develops and commercializes innovative therapies for serious and life-threatening rare and ultra-rare genetic diseases. The Company&#8217;s portfolio consists of six commercialized products and multiple clinical and pre-clinical product candidates. For additional information, please visit\u00a0<u><a target=\"_blank\" href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3032504-1&amp;h=3377410174&amp;u=http%3A%2F%2Fwww.biomarin.com%2F&amp;a=www.biomarin.com\" rel=\"nofollow noopener noreferrer\">www.biomarin.com<\/a><\/u>. Information on BioMarin&#8217;s website is not incorporated by reference into this press release.<\/p>\n<p>\n        <b>Forward Looking Statements<\/b>\n      <\/p>\n<p>This press release contains forward-looking statements about the business prospects of BioMarin Pharmaceutical Inc., including without limitation, statements about the development of BioMarin&#8217;s valoctocogene roxaparvovec program generally, and the Phase 3 results particularly; the impact of valoctocogene roxaparvovec gene therapy for treating patients with severe hemophilia A, the potential for valoctocogene roxaparvovec to reduce or eliminate bleeds, reduce the number of Factor VIII infusions, and the ongoing clinical programs generally. \u00a0These forward-looking statements are predictions and involve risks and uncertainties such that actual results may differ materially from these statements. These risks and uncertainties include, among others: results and timing of current and planned preclinical studies and clinical trials of valoctocogene roxaparvovec, including final analysis of the above data and additional data from the continuation of these trials; any potential adverse events observed in the continuing monitoring of the patients in the clinical trials; the content and timing of decisions by the FDA, the EMA and other regulatory authorities; the content and timing of decisions by local and central ethics committees regarding the clinical trials; our ability to successfully manufacture the product candidate for the preclinical and clinical trials;\u00a0 and those other risks detailed from time to time under the caption &#8220;Risk Factors&#8221; and elsewhere in BioMarin&#8217;s Securities and Exchange Commission (SEC) filings, including BioMarin&#8217;s Annual and quarterly Reports on Forms\u00a010-K and 10-Q, and future filings and reports by BioMarin. BioMarin undertakes no duty or obligation to update any forward-looking statements contained in this press release as a result of new information, future events or changes in its expectations.<\/p>\n<p>BioMarin\u00ae is a registered trademark of BioMarin Pharmaceutical Inc.<\/p>\n<div>\n<table id=\"convertedTable5c27\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" class=\"prntblns\">\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Contacts:<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen8\">\n              \n            <\/td>\n<\/tr>\n<tr>\n<td class=\"prngen8\">\n              \n            <\/td>\n<td class=\"prngen8\">\n              \n            <\/td>\n<\/tr>\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Investors\u00a0<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Media<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <i>Traci McCarty<\/i><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">Debra Charlesworth<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <i>BioMarin Pharmaceutical Inc.<\/i><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">BioMarin Pharmaceutical Inc.<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\"><br \/>\n                  <i>(415) 455-7558<\/i><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen8\">\n<p class=\"prnews_p\">\n                <span class=\"prnews_span\">(415) 455-7451<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<p>\u00a0<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder2\">\n<p>\n          <a href=\"https:\/\/mma.prnewswire.com\/media\/534018\/BioMarin_Pharmaceutical_Inc_Logo.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><br \/>\n            <img decoding=\"async\" src=\"https:\/\/mma.prnewswire.com\/media\/534018\/BioMarin_Pharmaceutical_Inc_Logo.jpg\" title=\"BioMarin Pharmaceutical logo (PRNewsfoto\/BioMarin Pharmaceutical Inc.)\" alt=\"BioMarin Pharmaceutical logo (PRNewsfoto\/BioMarin Pharmaceutical Inc.)\" \/><br \/>\n          <\/a>\n        <\/p>\n<\/p><\/div>\n<p id=\"PURL\">\n        <img loading=\"lazy\" decoding=\"async\" title=\"Cision\" width=\"12\" height=\"12\" alt=\"Cision\" src=\"https:\/\/c212.net\/c\/img\/favicon.png?sn=SF43849&amp;sd=2021-01-10\" \/> View original content to download multimedia:<a id=\"PRNURL\" rel=\"nofollow\" href=\"http:\/\/www.prnewswire.com\/news-releases\/biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set-301204797.html\">http:\/\/www.prnewswire.com\/news-releases\/biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set-301204797.html<\/a><\/p>\n<p>SOURCE  BioMarin Pharmaceutical Inc.<\/p>\n<\/p><\/div>\n<p>    <img decoding=\"async\" alt=\"\" src=\"https:\/\/rt.prnewswire.com\/rt.gif?NewsItemId=SF43849&amp;Transmission_Id=202101101844PR_NEWS_USPR_____SF43849&amp;DateId=20210110\" style=\"border:0px;width:1px;height:1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8211; Significantly Reduced Mean Annualized Bleeding Rate by 84% (p-value &lt;0.0001) Demonstrating Superiority to Factor VIII Prophylaxis, and Reduced Mean Annualized Factor VIII Infusion Rate by 99% (p-value &lt;0.0001) &#8211; Mean Factor VIII Expression 42.9 IU\/dL at One Year in Full Study Population &#8211; In Subset Dosed More than Two Years Ago, Slower Rate of Decline in Factor VIII Expression Was Observed Compared to Prior Study: Mean ABR in This Population Was 0.9 Over These Two-Plus Years &#8211; BioMarin Plans to Meet with EMA to Discuss Submission of One-Year Data and FDA to Review Two-Year Data Request &#8211; Call and Webinar to be Held Today, Sunday, January 10, 2021 at 7:15 PM Eastern PR Newswire SAN RAFAEL, Calif., Jan. 10, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;BioMarin Announces Positive Phase 3 Gene Therapy Trial Results in Adults with Severe Hemophilia A; Study Met All Primary and Secondary Efficacy Endpoints in One-Year Data Set&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-411514","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BioMarin Announces Positive Phase 3 Gene Therapy Trial Results in Adults with Severe Hemophilia A; Study Met All Primary and Secondary Efficacy Endpoints in One-Year Data Set - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/biomarin-announces-positive-phase-3-gene-therapy-trial-results-in-adults-with-severe-hemophilia-a-study-met-all-primary-and-secondary-efficacy-endpoints-in-one-year-data-set\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BioMarin Announces Positive Phase 3 Gene Therapy Trial Results in Adults with Severe Hemophilia A; 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