Zanubrutinib

Zanubrutinib, sold under the brand name Brukinsa, is a medication used for the treatment of mantle cell lymphoma (MCL), Waldenström's macroglobulinemia (WM), marginal zone lymphoma (MZL), and chronic lymphocytic leukemia (CLL).[5][9][10][11][12] Zanubrutinib is classified as a Bruton's tyrosine kinase (BTK) inhibitor.[5] It is given by mouth.[5]

Zanubrutinib
Clinical data
Trade namesBrukinsa
Other namesBGB-3111
AHFS/Drugs.comMonograph
MedlinePlusa620009
License data
Pregnancy
category
Routes of
administration		By mouth
Drug classBruton's tyrosine kinase (BTK) inhibitor
ATC code
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
PubChem SID
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
PDB ligand
Chemical and physical data
FormulaC27H29N5O3
Molar mass471.561 g·mol−1
3D model (JSmol)
SMILES
  • NC(=O)C1=C2NCC[C@@H](C3CCN(CC3)C(=O)C=C)N2N=C1C1=CC=C(OC2=CC=CC=C2)C=C1
InChI
  • InChI=1S/C27H29N5O3/c1-2-23(33)31-16-13-18(14-17-31)22-12-15-29-27-24(26(28)34)25(30-32(22)27)19-8-10-21(11-9-19)35-20-6-4-3-5-7-20/h2-11,18,22,29H,1,12-17H2,(H2,28,34)/t22-/m0/s1
    [8]
  • Key:RNOAOAWBMHREKO-QFIPXVFZSA-N

It was approved for medical use in the United States in November 2019.[13][9][14][15][16]

Medical uses

Zanubrutinib is indicated for the treatment of adults with mantle cell lymphoma (MCL) who have received at least one prior therapy,[5][9][10] and for the treatment of Waldenström's macroglobulinemia.[17] It is also indicated for the treatment of adults with relapsed or refractory marginal zone lymphoma (MZL) who have received at least one anti-CD20-based regimen.[11]

History

Efficacy was evaluated in BGB-3111-206 (NCT03206970), a phase II open-label, multicenter, single-arm trial of 86 participants with mantle cell lymphoma (MCL) who received at least one prior therapy.[14] Zanubrutinib was given orally at 160 mg twice daily until disease progression or unacceptable toxicity.[14] Efficacy was also assessed in BGB-3111-AU-003 (NCT02343120), a phase I/II, open-label, dose-escalation, global, multicenter, single-arm trial of B‑cell malignancies, including 32 previously treated MCL participants treated with zanubrutinib administered orally at 160 mg twice daily or 320 mg once daily.[14][15]

The primary efficacy outcome measure in both trials was overall response rate (ORR), as assessed by an independent review committee.[14] In trial BGB-3111-206, FDG-PET scans were required and the ORR was 84% (95% CI: 74, 91), with a complete response rate of 59% (95% CI 48, 70) and a median response duration of 19.5 months (95% CI: 16.6, not estimable).[14] In trial BGB-3111-AU-003, FDG-PET scans were not required and the ORR was 84% (95% CI: 67, 95), with a complete response rate of 22% (95% CI: 9, 40) and a median response duration of 18.5 months (95% CI: 12.6, not estimable).[14] Trial 1 was conducted at 13 sites in China, and Trial 2 was conducted at 25 sites in the United States, United Kingdom, Australia, New Zealand, Italy, and South Korea.[15]

The U.S. Food and Drug Administration (FDA) granted zanubrutinib priority review, accelerated approval, breakthrough therapy designation, and orphan drug designation.[9][14][18] The FDA approved zanubrutinib in November 2019, and granted the application for Brukinsa to BeiGene USA Inc.[9][14][19]

In August 2021, the FDA approved zanubrutinib for the treatment of Waldenström's macroglobulinemia and in September 2021, for marginal zone lymphoma (MZL).[17][20][7][11][21]

Zanubrutinib was investigated in ASPEN (NCT03053440), a randomized, active control, open-label trial, comparing zanubrutinib and ibrutinib in participants with MYD88 L265P mutation (MYD88MUT) WM. Participants in Cohort 1 (n=201) were randomized 1:1 to receive zanubrutinib 160 mg twice daily or ibrutinib 420 mg once daily until disease progression or unacceptable toxicity. Cohort 2 enrolled participants with MYD88 wildtype (MYD88WT) or MYD88 mutation unknown WM (n=26 and 2, respectively) and received zanubrutinib 160 mg twice daily.

Approval of zanubrutinib for marginal zone lymphoma is based on two open-label, multicenter, single-arm trials: BGB-3111-214 (NCT03846427), which evaluated 66 participants with MZL who received at least one prior anti-CD20-based therapy, and BGB-3111-AU-003 (NCT02343120), which included 20 participants with previously treated MZL.[11]

Society and culture

On 16 September 2021, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Brukinsa, intended for the treatment of Waldenström's macroglobulinaemia (WM).[22] The applicant for this medicinal product is BeiGene Ireland Ltd.[22] Zanubrutinib was approved for medical use in the European Union in November 2021.[6]

References
  1. "Brukinsa". Therapeutic Goods Administration (TGA). 15 October 2021. Retrieved 22 October 2021.
  2. "Brukinsa". Therapeutic Goods Administration (TGA). 20 October 2021. Retrieved 22 October 2021.
  3. "Updates to the Prescribing Medicines in Pregnancy database". Therapeutic Goods Administration (TGA). 12 May 2022. Retrieved 13 May 2022.
  4. "Summary Basis of Decision (SBD) for Brukinsa". Health Canada. 23 October 2014. Retrieved 29 May 2022.
  5. "Brukinsa- zanubrutinib capsule, gelatin coated". DailyMed. Retrieved 1 September 2021.
  6. "Brukinsa EPAR". European Medicines Agency (EMA). 19 July 2021. Retrieved 18 December 2021.
  7. "U.S. FDA Grants Brukinsa (Zanubrutinib) Approval in Waldenström's Macroglobulinemia" (Press release). BeiGene. 1 September 2021. Retrieved 1 September 2021 – via Business Wire.
  8. "Zanubrutinib". DrugBank. Retrieved 15 November 2019.
  9. "FDA approves therapy to treat patients with relapsed and refractory mantle cell lymphoma supported by clinical trial results showing high response rate of tumor shrinkage". U.S. Food and Drug Administration (FDA) (Press release). 14 November 2019. Retrieved 15 November 2019. This article incorporates text from this source, which is in the public domain.
  10. Sawalha Y, Bond DA, Alinari L (2020). "Evaluating the Therapeutic Potential of Zanubrutinib in the Treatment of Relapsed/Refractory Mantle Cell Lymphoma: Evidence to Date". OncoTargets and Therapy. 13: 6573–6581. doi:10.2147/OTT.S238832. PMC 7351990. PMID 32753893.
  11. "FDA grants accelerated approval to zanubrutinib for marginal zone lymphoma". U.S. Food and Drug Administration (FDA). 16 September 2021. Retrieved 16 September 2021. This article incorporates text from this source, which is in the public domain.
  12. "FDA Accepts sNDA for Zanubrutinib to Treat CLL/SLL". AJMC.
  13. "Drug Approval Package: Brukinsa". U.S. Food and Drug Administration (FDA). 27 November 2019. Retrieved 28 March 2020.
  14. "FDA grants accelerated approval to zanubrutinib for mantle cell lymphoma". U.S. Food and Drug Administration (FDA) (Press release). 15 November 2019. Archived from the original on 28 November 2019. Retrieved 27 November 2019. This article incorporates text from this source, which is in the public domain.
  15. "Drug Trials Snapshots Brukinsa". U.S. Food and Drug Administration (FDA). 14 November 2019. Retrieved 26 January 2020. This article incorporates text from this source, which is in the public domain.
  16. Syed YY (January 2020). "Zanubrutinib: First Approval". Drugs. 80 (1): 91–97. doi:10.1007/s40265-019-01252-4. PMID 31933167. S2CID 210158252.
  17. "FDA approves zanubrutinib for Waldenström's macroglobulinemia". U.S. Food and Drug Administration (FDA). 1 September 2021. Retrieved 1 September 2021. This article incorporates text from this source, which is in the public domain.
  18. "Zanubrutinib Orphan Drug Designation and Approval". U.S. Food and Drug Administration (FDA). 28 November 2019. Archived from the original on 28 November 2019. Retrieved 27 November 2019. This article incorporates text from this source, which is in the public domain.
  19. "Drug Approval Package: Brukinsa". U.S. Food and Drug Administration (FDA). 27 November 2019. Archived from the original on 28 November 2019. Retrieved 27 November 2019. This article incorporates text from this source, which is in the public domain.
  20. "U.S. FDA Grants Brukinsa (Zanubrutinib) Approval in Waldenström's Macroglobulinemia" (Press release). BeiGene. 1 September 2021. Retrieved 1 September 2021.
  21. "U.S. FDA Grants Brukinsa (Zanubrutinib) Accelerated Approval in Relapsed or Refractory Marginal Zone Lymphoma". BeiGene. 15 September 2021. Retrieved 16 September 2021 – via Business Wire.
  22. "Brukinsa: Pending EC decision". European Medicines Agency. 17 September 2021. Retrieved 17 September 2021. Text was copied from this source which is © European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
  • "Zanubrutinib". Drug Information Portal. U.S. National Library of Medicine.
  • "Zanubrutinib". NCI Drug Dictionary. National Cancer Institute.
  • "Zanubrutinib". National Cancer Institute. 23 December 2019.
  • Clinical trial number NCT03206970 for "Study of Evaluate Efficacy and Safety of BGB-3111 in Participants With Relapsed or Refractory Mantle Cell Lymphoma (MCL)" at ClinicalTrials.gov
  • Clinical trial number NCT02343120 for "Study of the Safety and Pharmacokinetics of BGB-3111 in Subjects With B-Cell Lymphoid Malignancies" at ClinicalTrials.gov
  • Clinical trial number NCT03053440 for "A Study Comparing BGB-3111 and Ibrutinib in Participants With Waldenström's Macroglobulinemia (WM) (ASPEN)" at ClinicalTrials.gov
  • Clinical trial number NCT03846427 for "Study of Zanubrutinib (BGB-3111) in Participants With Marginal Zone Lymphoma (MAGNOLIA)" at ClinicalTrials.gov
  • Clinical trial number NCT02343120 for "Study of the Safety and Pharmacokinetics of BGB-3111 in Subjects With B-Cell Lymphoid Malignancies" at ClinicalTrials.gov
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