yartemlea
Yartemlea (Narsoplimab-Wuug) is a medication used to treat Thrombotic Microangiopathies.
Narsoplimab-Wuug · by Omeros Corp
Key facts
- Active ingredient
- Narsoplimab-Wuug
- Form
- Injectable
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- May treat
- thrombotic microangiopathies
- Manufacturer
- Omeros Corp
- FDA application
- BLA761152
What is Yartemlea?
From the FDA label:Narsoplimab-wuug, a mannan-binding lectin-associated serine protease 2 (MASP-2) inhibitor, is a recombinant human immunoglobulin G4 (IgG4) monoclonal antibody produced in Chinese Hamster Ovary cells. The approximate molecular weight is 143 kDa. YARTEMLEA (narsoplimab-wuug) injection is a sterile, preservative-free, clear to slightly opalescent, slightly yellow to yellow-brown solution for intravenous infusion. Each 2-mL single-dose glass vial contains 370 mg of narsoplimab-wuug, arginine hydrochloride (84.3 mg), citric acid monohydrate (1.42 mg), polysorbate 80 (0.2 mg), sodium citrate (8.6 mg), and Water for Injection, USP. Sodium hydroxide and hydrochloric acid were added to adjust the pH to 5.8.
How to use
Weight (kg) Recommended Dosage Greater than or equal to 50 kg 370 mg given as an intravenous infusion over 30 minutes once weekly. Increase frequency to twice weekly if there is inadequate improvement in TA-TMA signs and symptoms. ( 2.1 ) Less than 50 kg 4 mg/kg given as an intravenous infusion over 30 minutes once weekly. Increase frequency to twice weekly if there is inadequate improvement in TA-TMA signs and symptoms. ( 2.1 ) See Full Prescribing Information for instructions on preparation and administration. ( 2.2 , 2.3 , 2.4 , 2.5 ) 2.1 Recommended Dosage The recommended dosage of YARTEMLEA is provided in Table 1 . Table 1: Recommended Dosage of YARTEMLEA in Adult and Pediatric Patients Two Years of Age and Older with TA-TMA Weight (kg) Recommended Dosage Greater than or equal to 50 kg 370 mg given as an intravenous infusion over 30 minutes once weekly. Increase frequency to twice weekly if there is inadequate improvement in TA-TMA signs and symptoms. Less than 50 kg 4 mg/kg given as an intravenous infusion over 30 minutes once weekly. Increase frequency to twice weekly if there is inadequate improvement in TA-TMA signs and symptoms. If a dose is missed, administer the dose as soon as possible. Thereafter, resume dosing at the regular scheduled time. 2.2 Important Preparation and Administration Instructions Administer diluted YARTEMLEA as an intravenous infusion through a…
Side effects
The following clinically significant adverse reactions are described elsewhere in the labeling: Serious Infections [see Warnings and Precautions ( 5.1 )] Most common adverse reactions (incidence > 20% and independent of causality) are viral infections, sepsis, hemorrhage, diarrhea, vomiting, nausea, neutropenia, pyrexia, fatigue and hypokalemia. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Omeros Corporation at 1-844-YARTEM1 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trial 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 data described in this section reflect exposure to YARTEMLEA in the TA-TMA Study in which 28 adult patients received YARTEMLEA. In total, 24 patients received YARTEMLEA at a dose of 4 mg/kg intravenously once weekly for 4 or 8 weeks and 4 patients received 370 mg intravenously weekly for 8 weeks [see Clinical Studies ( 14 )] . The median duration of treatment with YARTEMLEA was 8 weeks (range: 2 to 16.4 weeks). Serious adverse reactions were reported in 61% of patients receiving YARTEMLEA. Serious adverse reactions in > 5% of patients who received YARTEMLEA included acute kidney injury,…
Warnings
Important safety information
Serious infections: Monitor patients for signs/symptoms and treat appropriately. ( 5.1 ) 5.1 Serious Infections Serious and life-threatening infections have occurred in patients treated with YARTEMLEA. Serious infections, independent of causality, were reported in 36% (10/28) of patients with TA-TMA receiving YARTEMLEA in clinical trials. These infections included sepsis, viral infections, pneumonia, bacteremia, fungal infection, gastroenteritis, respiratory tract infection and urosepsis. If YARTEMLEA is administered to patients with active infections, monitor closely for signs and symptoms of worsening infection and treat promptly.
Who should not take Yartemlea
None None ( 4 )
Overdose — what happens if you take too much
There is no known antidote for YARTEMLEA and YARTEMLEA is not dialyzable. If an overdose occurs, institute general supportive measures. Consider contacting the Poison Help line (1-800-222-1222) or a medical toxicologist for additional overdose management recommendations.
U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.
May treat (source: NIH RxClass)
Dosage forms
Injectable
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
A same-class option may cost less. See alternatives →
Frequently asked questions
- What does Yartemlea treat?
- Yartemlea (Narsoplimab-Wuug) may be used to treat thrombotic microangiopathies, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
- Is there a coupon or discount for Yartemlea?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Yartemlea. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Yartemlea?
- Yartemlea is marketed by Omeros Corp. You can see Omeros Corp's full profile, rating, and other products on pharmaranks.
- Is Yartemlea a brand-name or generic drug?
- Yartemlea is a brand-name product with the active ingredient Narsoplimab-Wuug.
- Is Yartemlea available over the counter?
- No. Yartemlea is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Yartemlea come in?
- Yartemlea is currently marketed as injectable, per the FDA's National Drug Code Directory.
- Is Yartemlea FDA-registered?
- Yartemlea is on record with the U.S. FDA under application number BLA761152. You can verify this on its official FDA label.
- Is Yartemlea safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Yartemlea. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Yartemlea?
- Yartemlea's side effects are taken directly from its FDA label. From the label: The following clinically significant adverse reactions are described elsewhere in the labeling: Serious Infections [see Warnings and Precautions ( 5.1 )] Most common adverse reactions (incidence > 20% and independent of causality) are viral infections, sepsis, hemorrhage, diarrhea, vomiting,… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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