Galcanezumab

Galcanezumab, marketed under the trade name Emgality, is a humanized monoclonal antibody used for the prevention of migraine.[1][2] It is also used for cluster headaches.[3]

Galcanezumab
Monoclonal antibody
TypeWhole antibody
SourceHumanized
TargetCALCA, CALCB
Clinical data
Trade namesEmgality
Other namesLY2951742, galcanezumab-gnlm
AHFS/Drugs.comMonograph
MedlinePlusa618063
License data
Pregnancy
category
  • US: N (Not classified yet)
    Routes of
    administration    		Subcutaneous injection
    Drug classCalcitonin gene-related peptide (CGRP) antagonists
    ATC code
    Legal status
    Legal status
    Identifiers
    CAS Number
    PubChem SID
    DrugBank
    ChemSpider
    • none
    UNII
    KEGG
    Chemical and physical data
    FormulaC6392H9854N1686O2018S46
    Molar mass144083.69 g·mol−1

    Common side effects include pain or redness at the site of injection.[3] Other side effects may include hypersensitivity reactions.[3] It is directed against calcitonin-related polypeptides alpha and beta.

    This drug was developed by Eli Lilly.[4] It was approved for medical use in the United States in 2018,[5][6][3] becoming the third calcitonin gene-related peptide (CGRP) inhibitor to do so.[7] When used for migraines it costs about 7,000 USD per year in the United States as of 2019.[8]

    History

    In September 2018, galcanezumab-gnlm was approved in the United States for the preventive treatment of migraine in adults.[6]

    The U.S. Food and Drug Administration (FDA) approved galcanezumab-gnlm based on evidence from three clinical trials (Trial 1/NCT02614183, Trial 2/NCT02614196, and Trial 3/NCT02614261) in 2156 adult patients 18 to 65 years of age with chronic or episodic migraine headaches.[6] Trials were conducted at 318 sites in Asia, Canada, Europe, Israel, Latin America, Puerto Rico, and the United States.[6]

    Trials one and two enrolled patients with a history of episodic migraine headaches.[6] Patients were assigned to receive galcanezumab-gnlm or placebo injections once a month for six months.[6] Neither the patients nor the health care providers knew which treatment was being given until after the trial was completed.[6] The benefit of galcanezumab-gnlm was assessed based on the change from baseline in the number of migraine days per month during the six-month treatment period, comparing patients in the galcanezumab-gnlm and placebo groups.[6]

    Trial three enrolled patients with a history of chronic migraine headaches.[6] Patients were assigned to receive galcanezumab-gnlm or placebo injection once a month for three months.[6] Neither the patients nor the health care providers knew which treatment was being given until after the trial was completed.[6] The benefit of galcanezumab-gnlm was assessed based on the change from baseline in the number of migraine days per month during the three-month treatment period, comparing the galcanezumab-gnlm and placebo groups.[6]

    In June 2019, galcanezumab-gnlm was approved in the United States for the treatment of episodic cluster headache in adults.[3]

    The effectiveness of galcanezumab-gnlm for the treatment of episodic cluster headache was demonstrated in a clinical trial that compared the drug to placebo in 106 patients.[3] The trial measured the average number of cluster headaches per week for three weeks and compared the average changes from baseline in the galcanezumab-gnlm and placebo groups.[3] During the three-week period, patients taking galcanezumab-gnlm experienced 8.7 fewer weekly cluster headache attacks than they did at baseline, compared to 5.2 fewer attacks for patients on placebo.[3]

    The application for galcanezumab-gnlm was granted priority review designation and breakthrough therapy designation.[3] The FDA granted the approval of Emgality to Eli Lilly[3]

    See also

    References
    1. "Statement on a Nonproprietary Name Adopted by the USAN Council - Galcanezumab", American Medical Association.
    2. World Health Organization (2015). "International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 114" (PDF). WHO Drug Information. 29 (4).
    3. "FDA approves first treatment for episodic cluster headache that reduces the frequency of attacks". U.S. Food and Drug Administration (FDA) (Press release). 4 June 2019. Archived from the original on 7 December 2019. Retrieved 6 June 2019. This article incorporates text from this source, which is in the public domain.
    4. H. Spreitzer (3 July 2017). "Neue Wirkstoffe: Galcanezumab, Fremanezumab und Eptinezumab". Österreichische Apothekerzeitung (in German) (14/2017).
    5. "Drug Approval Package: Emgality (galcanezumab-gnlm)". U.S. Food and Drug Administration (FDA). 27 September 2018. Archived from the original on 7 December 2019. Retrieved 7 December 2019. This article incorporates text from this source, which is in the public domain.
    6. "Drug Trials Snapshots: Emgality". U.S. Food and Drug Administration (FDA). 23 October 2018. Archived from the original on 7 December 2019. Retrieved 7 December 2019. This article incorporates text from this source, which is in the public domain.
    7. "US FDA approves Lilly migraine drug at a price that is the same as its rivals". CNBC. Reuters. 28 September 2018. Retrieved 29 September 2018.
    8. "FDA approves Lilly's migraine drug as first ever cluster headache treatment". CNBC. 4 June 2019. Retrieved 6 June 2019.
    • "Galcanezumab". Drug Information Portal. U.S. National Library of Medicine.
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