lumasiran sodium · by alnylam pharms inc
11 DESCRIPTION OXLUMO injection contains lumasiran, a HAO1 -directed double-stranded small interfering ribonucleic acid (siRNA), covalently linked to a ligand containing N- acetylgalactosamine (GalNAc). The structural formula of lumasiran sodium is presented below: The molecular formula of lumasiran sodium is C 530 H 669 F 10 N 173 O 320 P 43 S 6 Na 43 and the molecular weight is 17,286 Da. OXLUMO is supplied as a sterile, preservative-free, clear, colorless-to-yellow solution for subcutaneous administration containing the equivalent of 94.5 mg of lumasiran (provided as lumasiran sodium) in 0.5 mL of water for injection and sodium hydroxide and/or phosphoric acid to adjust the pH to ~ 7.0. Chemical Structure
The recommended dose of OXLUMO by subcutaneous injection is based on body weight. ( 2.1 ) Body Weight Loading Dose Maintenance Dose less than 10 kg 6 mg/kg once monthly for 3 doses 3 mg/kg once monthly, beginning 1 month after the last loading dose 10 kg to less than 20 kg 6 mg/kg once monthly for 3 doses 6 mg/kg once every 3 months (quarterly), beginning 1 month after the last loading dose 20 kg and above 3 mg/kg once monthly for 3 doses 3 mg/kg once every 3 months (quarterly), beginning 1 month after the last loading dose See Full Prescribing Information for important preparation and administration instructions. ( 2.2 ) 2.1 Recommended Dosage The recommended dosing regimen of OXLUMO consists of loading doses (monthly for 3 doses) followed by maintenance doses (beginning 1 month after the last loading dose) administered subcutaneously as shown in Table 1. Dosing is based on actual body weight. Table 1. OXLUMO Weight-Based Dosing Regimen Body Weight Loading Dose Maintenance Dose Less than 10 kg 6 mg/kg once monthly for 3 doses 3 mg/kg once monthly, beginning 1 month after the last loading dose 10 kg to less than 20 kg 6 mg/kg once monthly for 3 doses 6 mg/kg once every 3 months (quarterly), beginning 1 month after the last loading dose 20 kg and above 3 mg/kg once monthly for 3 doses 3 mg/kg once every 3 months (quarterly), beginning 1 month after the last loading dose For…
The most common adverse reaction (reported in ≥20% of patients) is injection site reactions. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Alnylam Pharmaceuticals at 1-877-256-9526 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The safety of OXLUMO has been evaluated in a placebo-controlled trial and two single-arm clinical trials. Across these trials, 98 patients with PH1 have been treated with OXLUMO, including 71 pediatric patients and 15 patients on hemodialysis. Overall, 92 patients were treated for at least 6 months, 78 patients for at least 12 months, and 29 patients for at least 24 months. In the randomized, placebo-controlled, double-blind study ILLUMINATE-A in pediatric and adult patients with PH1 aged 6 to 61 years, 26 patients received OXLUMO, and 13 patients received placebo. Of these, 25 patients received ≥5 months of treatment. In two single-arm studies in patients with PH1, ILLUMINATE-B (patients <6 years of age) and ILLUMINATE-C (pediatric and adult patients with moderately or severely reduced GFR [eGFR ≤45 mL/min/1.73 m 2 or pediatric patients <12 months of…
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Clinical content sourced from the FDA label via openFDA (U.S. FDA). Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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