Tividenofusp alfa

Tividenofusp alfa
Clinical data
Trade namesAvlayah
Other namesDNL-310, tividenofusp alfa-eknm
AHFS/Drugs.com
License data
Routes of
administration
Intravenous
ATC code
  • None
Legal status
Legal status
Identifiers
CAS Number
UNII
KEGG
Chemical and physical data
FormulaC4990H7554N1305O1487S29
Molar mass110548.71 g·mol−1

Tividenofusp alfa, sold under the brand name Avlayah, is an enzyme replacement therapy used for the treatment of Hunter syndrome.[2] Tividenofusp alfa is a hydrolytic lysosomal glycosaminoglycan-specific enzyme.[1]

The most common side effects include upper respiratory tract infection, ear infection, fever, anemia, cough, vomiting, diarrhea, rash, COVID-19, runny nose, nasal congestion, fall, headache, skin abrasion, and hives.[2]

Tividenofusp alfa was approved for medical use in the United States in March 2026.[2]

Medical uses

Tividenofusp alfa is indicated for the treatment of neurologic manifestations of Hunter syndrome (mucopolysaccharidosis type II) when initiated in presymptomatic or symptomatic children weighing at least 5 kg (11 lb) prior to advanced neurologic impairment.[1][2]

Hunter syndrome is a rare inherited lysosomal disorder in which sugar molecules called glycosaminoglycans build up within the cells' lysosomes.[2] This substrate accumulation affects physical and mental development by causing abnormalities in the skeleton, heart, respiratory system, brain, and other organs.[2]

Adverse effects

The US prescription label includes a boxed warning for allergic reactions including anaphylaxis.[2]

The most common side effects include upper respiratory tract infection, ear infection, fever, anemia, cough, vomiting, diarrhea, rash, COVID-19, runny nose, nasal congestion, fall, headache, skin abrasion, and hives.[2]

Society and culture

Tividenofusp alfa was approved for medical use in the United States in March 2026.[2][3] The US Food and Drug Administration (FDA) granted the application for tividenofusp alfa breakthrough therapy, fast track, priority review, and orphan drug designations.[2] The FDA granted accelerated approval for Avlayah to Denali Therapeutics.[2]

Names

Tividenofusp alfa is the international nonproprietary name.[4]

Tividenofusp alfa is sold under the brand name Avlayah.[2]

References

  1. 1 2 3 "Avlayah- tividenofusp alfa-eknm injection, powder, lyophilized, for solution". DailyMed. 20 March 2026. Retrieved 8 May 2026.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 "FDA Approves Drug to Treat Neurologic Manifestations of Hunter Syndrome". U.S. Food and Drug Administration. 25 March 2026. Retrieved 6 April 2026. Public Domain This article incorporates text from this source, which is in the public domain.
  3. ↑ "Denali Therapeutics Announces U.S. FDA Approval of Avlayah (tividenofusp alfa-eknm) for Treatment of Hunter Syndrome (MPS II)". Denali Therapeutics (Press release). 25 March 2026. Retrieved 6 April 2026.
  4. ↑ World Health Organization (2023). "International nonproprietary names for pharmaceutical substances (INN): recommended INN: list 90". WHO Drug Information. 37 (3). hdl:10665/373341.
  • Clinical trial number NCT04251026 for "A Study of Tividenofusp Alfa (DNL310) in Pediatric Participants With Hunter Syndrome" at ClinicalTrials.gov