Copper histidinate

Copper histidinate
Clinical data
Trade namesZycubo
Other namesCopper(II) bis(histidinate)
AHFS/Drugs.comzycubo
License data
Routes of
administration
Subcutaneous
ATC code
  • None
Legal status
Legal status
Identifiers
  • Copper bis((2S)-2-amino-3-(1H-imidazol-5-yl)propanoate)
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC12H16CuN6O4
Molar mass371.844 g·mol−1
3D model (JSmol)
  • C1=C(NC=N1)C[C@@H](C(=O)[O-])N.C1=C(NC=N1)C[C@@H](C(=O)[O-])N.[Cu+2]
  • InChI=1S/2C6H9N3O2.Cu/c2*7-5(6(10)11)1-4-2-8-3-9-4;/h2*2-3,5H,1,7H2,(H,8,9)(H,10,11);/q;;+2/p-2/t2*5-;/m00./s1
  • Key:UUYDYUZBCIHUFZ-MDTVQASCSA-L

Copper histidinate, sold under the brand name Zycubo, is a medication used for the treatment of Menkes disease.[1] Copper histidinate is a copper replacement therapy given by subcutaneous injection.[1][2]

The most common side effects include infections, respiratory problems, seizures, vomiting, fever, anemia and injection site reactions.[2]

Copper histidinate was approved for medical use in the United States in January 2026.[2]

Medical uses

Copper histidinate is indicated for the treatment of Menkes disease in children.[1]

Menkes disease is a neurodegenerative disorder caused by a genetic defect that impairs a child's ability to absorb copper.[2] The disease is characterized by seizures, failure to gain weight and grow, developmental delays, and intellectual disability.[2] It leads to abnormalities of the vascular system, bladder, bowel, bones, muscles, and nervous system.[2]

Side effects

The most common side effects include infections, respiratory problems, seizures, vomiting, fever, anemia and injection site reactions.[2]

Society and culture

Copper histidinate was approved for medical use in the United States in January 2026.[2] The US Food and Drug Administration (FDA) granted the application for copper histidinate priority review, fast track, breakthrough therapy, and orphan drug designations.[2] The FDA granted approval of Zycubo to Sentynl Therapeutics.[2]

Names

Copper histidinate is the international nonproprietary name[3] and the United States Adopted Name.[4]

Copper histidinate is sold under the brand name Zycubo.[5]

References

  1. ^ a b c d Sentynl Therapeutics (12 January 2026). "Zycubo (copper histidinate) for injection, for subcutaneous use" (PDF). Retrieved 15 January 2026.
  2. ^ a b c d e f g h i j "FDA Approves First Treatment for Children With Menkes Disease". U.S. Food and Drug Administration (FDA) (Press release). 12 January 2026. Retrieved 15 January 2026. This article incorporates text from this source, which is in the public domain.
  3. ^ World Health Organization (2025). "International nonproprietary names for pharmaceutical substances (INN): recommended INN: list 94". WHO Drug Information. 39 (3). hdl:10665/383022.
  4. ^ "Copper histidinate". American Medical Association. Retrieved 15 January 2026.
  5. ^ "Sentynl Therapeutics Inc. Announces FDA Approval of Zycubo (copper histidinate)". Sentynl Therapeutics. 13 January 2026. Retrieved 15 January 2026 – via PR Newswire.

Further reading