{"id":268,"date":"2022-09-26T22:48:50","date_gmt":"2022-09-26T22:48:50","guid":{"rendered":"https:\/\/naglazymehcp-dev-001.azurewebsites.net\/en-us\/naglazyme\/?page_id=268"},"modified":"2023-04-19T16:22:51","modified_gmt":"2023-04-19T16:22:51","slug":"safety-and-tolerability","status":"publish","type":"page","link":"https:\/\/hcp.biomarin.com\/en-us\/naglazyme\/safety-and-tolerability\/","title":{"rendered":"Safety and Tolerability"},"content":{"rendered":"
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NAGLAZYME\u00ae<\/sup> (galsulfase) Safety and Tolerability<\/h1>\n

Safety and tolerability data were collected from 59 patients in 4 open\u2010label clinical trials and postmarketing surveys conducted in patients aged 3 months to 29 years.1 <\/sup>The mean exposure was 138 weeks. Two infants were exposed to 2 mg\/kg of NAGLAZYME\u00ae<\/sup> (galsulfase) for 105 and 81 weeks, respectively.1<\/sup><\/p>\n

Immune-related reactions<\/h2>\n

The most common adverse events requiring interventions related to the use of NAGLAZYME occurred during administration of the drug through IV infusion.1<\/sup><\/p>\n

Infusion\u2010associated reactions<\/h2>\n

Despite routine pretreatment with antihistamines, infusion reactions, some severe, occurred in 33 of 59 patients treated with NAGLAZYME. The most common symptoms of drug\u2010related infusion reactions were pyrexia, chills, rash, urticaria, dyspnea, nausea, vomiting, pruritus, erythema, abdominal pain, hypertension, and headache. Respiratory distress, chest pain, hypotension, angioedema, conjunctivitis, tremor, and cough were also reported. Infusion reactions began as early as week 1 and as late as week 146 of NAGLAZYME treatment.1<\/sup><\/p>\n

Symptoms typically abated with slowing or temporary interruption of the infusion and administration of additional antihistamines, antipyretics, and occasionally corticosteroids. Most patients were able to complete their infusions. Subsequent infusions were managed with a slower rate of NAGLAZYME administration, treatment with additional prophylactic antihistamines, and, in the event of a more severe reaction, treatment with prophylactic corticosteroids. Twenty\u2010three of 33 patients (70%) experienced recurrent infusion reactions during multiple infusions, though not always in consecutive weeks.1<\/sup><\/p>\n

Adverse events<\/h2>\n

The most common serious adverse events related to the use of NAGLAZYME occurred during infusions and included apnea, pyrexia, and respiratory distress. Severe adverse reactions included chest pain, dyspnea, laryngeal edema, and conjunctivitis. The most common adverse reactions in clinical studies were rash, pain, urticaria, pyrexia, pruritus, chills, headache, nausea, vomiting, abdominal pain, and dyspnea. The most common adverse reactions requiring interventions were infusion-associated reactions.1<\/sup><\/p>\n

The table below enumerates adverse events reported during the 6\u2010month placebo\u2010controlled trial that occurred more frequently in the NAGLAZYME group than in the placebo group. Each event listed occurred in at least 2 more patients treated with NAGLAZYME than patients treated with placebo. Observed adverse events in the phase 1, phase 2, and open\u2010label extension studies were not different in nature or severity.1<\/sup><\/p>\n <\/div>\n\n

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\n \"Adverse <\/div>\n <\/figure>\n <\/div>\n <\/div>\n<\/div>\n\n
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Immune\u2010related reactions<\/h2>\n

Type III immune complex\u2013mediated reactions have been observed with NAGLAZYME, as with other enzyme replacement therapies. If immune\u2010mediated reactions occur, initiate appropriate medical treatment and consider discontinuation of NAGLAZYME. The risks and benefits of re\u2010administering NAGLAZYME following an immune\u2010mediated reaction should be considered. Some patients have successfully continued to receive NAGLAZYME under close clinical supervision.1<\/sup><\/p>\n

Warnings and precautions<\/h2>\n

Life\u2010threatening anaphylactic reactions have been observed in some patients during NAGLAZYME infusions and up to 24 hours after infusion. If anaphylaxis or other severe allergic reactions occur, immediately discontinue infusion and initiate appropriate treatment, which may include resuscitation, epinephrine, administering additional antihistamines, antipyretics, or corticosteroids.1<\/sup><\/p>\n

Caution should be exercised when administering NAGLAZYME to patients susceptible to fluid volume overload, because congestive heart failure may result. Appropriate medical support and monitoring measures should be readily available during NAGLAZYME infusion. Some patients may require prolonged observation times.1<\/sup><\/p>\n

Sleep apnea is common in MPS VI patients and antihistamine pretreatment may increase the risk of an apneic episode. Evaluation of airway patency should be considered prior to initiation of treatment. Patients using supplemental oxygen or continuous positive airway pressure during sleep should have these treatments readily available during infusion in the event of an infusion reaction or extreme drowsiness\/sleep induced by antihistamine use.1<\/sup><\/p>\n

Spinal\/cervical cord compression is a known and serious complication that is expected to occur during the natural course of MPS VI. Signs and symptoms of spinal\/cervical cord compression include back pain, paralysis of limbs below the level of compression, and urinary or fecal incontinence. Patients should be evaluated for spinal\/cervical cord compression prior to initiation of NAGLAZYME to establish a baseline and risk profile. Patients treated with NAGLAZYME should be regularly monitored for the development or progression of spinal\/cervical cord compression and be given appropriate clinical care.1<\/sup><\/p>\n

Immunogenicity<\/h2>\n

Ninety\u2010eight percent (53\/54) of patients treated with NAGLAZYME\u00ae (galsulfase) developed anti\u2010galsulfase IgG antibodies. Initial evidence of antibody development typically appeared following 4 to 8 weeks of treatment. Nineteen patients treated with NAGLAZYME from the placebo\u2010controlled study developed antibodies specific to galsulfase; however, the analysis revealed no consistent predictive relationship between total antibody titer, neutralizing or IgE antibodies, and infusion\u2010associated reactions, urinary glycosaminoglycan levels, or endurance measures. The data reflect the percentage of patients whose test results were considered positive for antibodies to galsulfase using specific assays, and are highly dependent on the sensitivity and specificity of the assay. Additionally, the observed incidence of antibodies in an assay may be influenced by several factors, including sample handling, timing of sample collection, concomitant medications, and underlying disease. For these reasons, comparison of the incidence of antibodies to galsulfase with the incidence of antibodies to other products may be misleading.1<\/sup><\/p>\n

Full dosing and infusion directions \u00bb<\/a><\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n

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References:\n<\/h4>\n\t\t\t\t\t\t
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  1. NAGLAZYME [package insert]. Novato, CA: BioMarin Pharmaceutical Inc; 2019.\n<\/span><\/li>\n <\/ol>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-268","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSafety and Tolerability - BioMarin Naglazyme HCP EN-US<\/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:\/\/hcp.biomarin.com\/en-us\/naglazyme\/safety-and-tolerability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Safety and Tolerability - BioMarin Naglazyme HCP EN-US\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hcp.biomarin.com\/en-us\/naglazyme\/safety-and-tolerability\/\" \/>\n<meta property=\"og:site_name\" content=\"BioMarin Naglazyme HCP EN-US\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BioMarinOfficial\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-19T16:22:51+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hcp.biomarin.com\\\/en-us\\\/naglazyme\\\/safety-and-tolerability\\\/\",\"url\":\"https:\\\/\\\/hcp.biomarin.com\\\/en-us\\\/naglazyme\\\/safety-and-tolerability\\\/\",\"name\":\"Safety and Tolerability - 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