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Lumasiran: Drug information

Lumasiran: Drug information
(For additional information see "Lumasiran: Pediatric drug information" and see "Lumasiran: Patient drug information")

For abbreviations, symbols, and age group definitions used in Lexicomp (show table)
Brand Names: US
  • Oxlumo
Brand Names: Canada
  • Oxlumo
Pharmacologic Category
  • Hydroxyacid Oxidase 1 (HAO1)-Directed Small Interfering Ribonucleic Acid (siRNA)
Dosing: Adult
Primary hyperoxaluria type 1

Primary hyperoxaluria type 1: SUBQ:

Loading dose: 3 mg/kg/dose once monthly for 3 doses.

Maintenance dose: 3 mg/kg/dose every 3 months, begin 1 month after last loading dose.

Missed dose: If scheduled dose is delayed or missed, administer as soon as possible then resume monthly or quarterly dosing from the most recently administered dose.

Dosing: Kidney Impairment: Adult

Altered kidney function: No dosage adjustment necessary for any degree of kidney function.

Hemodialysis, intermittent (thrice weekly): No dosage adjustment necessary; administer after hemodialysis if administered on dialysis days.

Peritoneal dialysis: There are no dosage adjustments provided in the manufacturer's labeling (has not been studied).

Dosing: Hepatic Impairment: Adult

Mild to moderate impairment (total bilirubin ≤ ULN and AST > ULN; or total bilirubin ≤ 3× ULN): No dosage adjustment necessary.

Severe impairment (total bilirubin >3 times the ULN and any AST): There are no dosage adjustments provided in the manufacturer's labeling (has not been studied).

Dosing: Older Adult

Refer to adult dosing.

Dosing: Pediatric

(For additional information see "Lumasiran: Pediatric drug information")

Primary hyperoxaluria type 1

Primary hyperoxaluria type 1:

Infants, Children, and Adolescents:

Weight <10 kg:

Loading dose: SUBQ: 6 mg/kg/dose once monthly for 3 doses.

Maintenance dose: SUBQ: 3 mg/kg/dose once monthly; begin 1 month after last loading dose.

Weight 10 to <20 kg:

Loading dose: SUBQ: 6 mg/kg/dose once monthly for 3 doses.

Maintenance dose: SUBQ: 6 mg/kg/dose every 3 months; begin 1 month after last loading dose.

Weight ≥20 kg:

Loading dose: SUBQ: 3 mg/kg/dose once monthly for 3 doses.

Maintenance dose: SUBQ: 3 mg/kg/dose every 3 months; begin 1 month after last loading dose.

Dosing: Kidney Impairment: Pediatric

Altered kidney function: Infants, Children, and Adolescents: SUBQ: No dosage adjustment necessary for any degree of kidney impairment.

Hemodialysis: Infants, Children, and Adolescents: SUBQ: No dosage adjustment necessary; administer after hemodialysis if administered on dialysis days.

Peritoneal dialysis: Infants, Children, and Adolescents: SUBQ: There are no dosage adjustments provided in the manufacturer's labeling (has not been studied).

Dosing: Hepatic Impairment: Pediatric

Infants, Children, and Adolescents: SUBQ:

Mild impairment (total bilirubin >1 to 1.5 times ULN or AST >ULN): No dosage adjustment necessary.

Moderate impairment (total bilirubin >1.5 to 3 times ULN with any AST): No dosage adjustment necessary.

Severe impairment (total bilirubin >3 times ULN and any AST): There are no dosage adjustments provided in the manufacturer's labeling (has not been studied).

Adverse Reactions

The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified.

>10%:

Dermatologic: Injection site pruritus

Gastrointestinal: Abdominal pain

Local: Injection site reaction (including erythema at injection site, pain at the injection site, swelling at injection site)

Frequency not defined: Immunologic: Antibody development

Contraindications

There are no contraindications listed in the manufacturer's US labeling.

Canadian labeling: Hypersensitivity to lumasiran or any component of the formulation.

Warnings/Precautions

Concerns related to adverse effects:

• Anti-lumasiran antibodies: Anti-drug antibodies were identified in 6% of patients during clinical trials, although no clinically significant differences in the safety, pharmacokinetic, or pharmacodynamic profiles were observed in patients who tested positive for anti-lumasiran antibodies.

• Injection site reactions: Injection site reactions, including erythema, pain, pruritus, and swelling, may occur; generally resolves within 1 day.

Dosage Forms: US

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Solution, Subcutaneous, as sodium [preservative free]:

Oxlumo: 94.5 mg/0.5 mL (0.5 mL)

Generic Equivalent Available: US

No

Pricing: US

Solution (Oxlumo Subcutaneous)

94.5 mg/0.5 mL (per 0.5 mL): $70,018.80

Disclaimer: A representative AWP (Average Wholesale Price) price or price range is provided as reference price only. A range is provided when more than one manufacturer's AWP price is available and uses the low and high price reported by the manufacturers to determine the range. The pricing data should be used for benchmarking purposes only, and as such should not be used alone to set or adjudicate any prices for reimbursement or purchasing functions or considered to be an exact price for a single product and/or manufacturer. Medi-Span expressly disclaims all warranties of any kind or nature, whether express or implied, and assumes no liability with respect to accuracy of price or price range data published in its solutions. In no event shall Medi-Span be liable for special, indirect, incidental, or consequential damages arising from use of price or price range data. Pricing data is updated monthly.

Dosage Forms: Canada

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Solution, Subcutaneous, as sodium:

Oxlumo: 94.5 mg/0.5 mL (0.5 mL)

Administration: Adult

SUBQ: For SUBQ administration by a health care professional only. Inject into the abdomen (avoid area around the navel), thigh, or side or back of upper arms; rotate injection sites. Avoid injecting into scar tissue or areas that are reddened, inflamed, or swollen. Divide injection volumes >1.5 mL equally into multiple syringes; inject at least 2 cm apart. Discard unused portion.

Administration: Pediatric

Parenteral: SUBQ: For SUBQ use only; should be administered by health care professional. Do not use if solution is discolored, cloudy, or contains particulate matter. Administer SUBQ into the abdomen (avoid area around the navel), thigh, or side or back of the upper arms; rotate injection site. Do not inject into scar tissue or areas that are red, inflamed, or swollen. Dose volumes >1.5 mL should be equally divided into multiple syringes; each syringe should be administered at a separate site at least 2 cm apart. For dose volumes <0.3 mL, use a 0.3 mL syringe; if using a 0.3 mL (30 unit) insulin syringe, each unit is 0.01 mL.

Missed dose : If scheduled dose is delayed or missed, administer as soon as possible, then resume monthly or quarterly dosing from the most recently administered dose.

Use: Labeled Indications

Primary hyperoxaluria type 1: Treatment of primary hyperoxaluria type 1 (PH1) to lower urinary and plasma oxalate levels in pediatric and adult patients.

Medication Safety Issues
Sound-alike/look-alike issues:

Lumasiran may be confused with Lumigan.

Metabolism/Transport Effects

None known.

Drug Interactions

There are no known significant interactions.

Pregnancy Considerations

Adverse events were not observed in animal reproduction studies.

Breastfeeding Considerations

It is not known if lumasiran is present in breast milk.

According to the manufacturer, the decision to breastfeed during therapy should consider the risk of infant exposure, the benefits of breastfeeding to the infant, and the benefits of treatment to the mother.

Monitoring Parameters

Urinary oxalate concentrations.

Mechanism of Action

Reduces the amount of available glyoxylate, a substrate for oxalate production, by targeting hydroxyacid oxidase 1 (HAO1) messenger RNA in hepatocytes through RNA interference, subsequently decreasing glycolate oxidase enzyme levels.

Pharmacokinetics (Adult Data Unless Noted)

Onset: ≤2 weeks.

Distribution: Vd: 4.9 L.

Protein binding: 85%.

Metabolism: Primarily by endo- and exonucleases to oligonucleotides of shorter lengths.

Half-life elimination: 5.2 hours.

Time to peak: 4 hours (range: 0.5 to 12 hours).

Excretion: Urine (<26% as unchanged drug).

Brand Names: International
International Brand Names by Country
For country code abbreviations (show table)

  • (AT) Austria: Oxlumo;
  • (BG) Bulgaria: Oxlumo;
  • (BR) Brazil: Oxlumo;
  • (DE) Germany: Oxlumo;
  • (ES) Spain: Oxlumo;
  • (FR) France: Oxlumo;
  • (IT) Italy: Oxlumo;
  • (NL) Netherlands: Oxlumo;
  • (PR) Puerto Rico: Oxlumo;
  • (PT) Portugal: Oxlumo;
  • (QA) Qatar: Oxlumo;
  • (RO) Romania: Oxlumo
  1. Oxlumo (lumasiran) [prescribing information]. Cambridge, MA: Alnylam Pharmaceuticals Inc; October 2022.
  2. Oxlumo (lumasiran) [product monograph]. Oakville, Ontario, Canada: Innomar Strategies Inc; May 2023.
Topic 130214 Version 35.0

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