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Journal: BCMAxCD3 Bispecific Yields Robust Responses in Myeloma. (Pubmed Central) - Jun 5, 2023 In emerging data from a phase I/II trial, patients with relapsed/refractory multiple myeloma responded well to REGN5459, an investigational BCMA-targeting bispecific T-cell engager. However, despite the drug's low affinity for CD3 on T cells, this design did not mitigate the risk of cytokine release syndrome, a common toxicity.
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Enrollment open, Trial completion date, Trial primary completion date: An Observational Extension Study for Adult Patients Treated in Study R5459-RT-1944 Who Receive A Kidney Transplant (clinicaltrials.gov) - May 17, 2023 P=N/A, N=12, Recruiting, However, despite the drug's low affinity for CD3 on T cells, this design did not mitigate the risk of cytokine release syndrome, a common toxicity. Not yet recruiting --> Recruiting | Trial completion date: May 2026 --> Mar 2025 | Trial primary completion date: May 2026 --> Mar 2025
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A Dose Escalation and Proof-of-Concept Study of REGN5459 or REGN5458 (BCMAxCD3 Bispecific Antibodies) for Desensitization of Hemodialysis Patients Who Are Highly Sensitized to Human Leukocyte Antigen (Exhibit Hall, Orange County Convention Center, West Building) - Oct 15, 2022 - Abstract #KIDNEYWEEK2022KIDNEY_WEEK_4538; P=N/A, P1/ Secondary objectives include determining dosing regimen(s) that result in a clinically meaningful reduction of anti-HLA alloantibody levels, the effect on cPRA levels and circulating immunoglobulin isotypes, pharmacokinetics, and immunogenicity. In a companion study (NCT05106387), patients enrolled in NCT05092347 who receive a kidney transplant will be followed for 1 year to assess rates of adverse events, graft survival, rates and classification of rejection, and emergence of anti-HLA alloantibodies.
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A Dose Escalation and Proof-of-Concept Study of REGN5459 or REGN5458 (BCMAxCD3 Bispecific Antibodies) for Desensitization of Hemodialysis Patients Who Are Highly Sensitized to Human Leukocyte Antigen (Exhibit Hall, Orange County Convention Center, West Building) - Oct 15, 2022 - Abstract #KIDNEYWEEK2022KIDNEY_WEEK_3886; P=N/A, P1/ Secondary objectives include determining dosing regimen(s) that result in a clinically meaningful reduction of anti-HLA alloantibody levels, the effect on cPRA levels and circulating immunoglobulin isotypes, pharmacokinetics, and immunogenicity. In a companion study (NCT05106387), patients enrolled in NCT05092347 who receive a kidney transplant will be followed for 1 year to assess rates of adverse events, graft survival, rates and classification of rejection, and emergence of anti-HLA alloantibodies.
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A Dose Escalation and Proof-of-Concept Study of REGN5459 or REGN5458 (BCMAxCD3 Bispecific Antibodies) for Desensitization of Hemodialysis Patients Who Are Highly Sensitized to Human Leukocyte Antigen (Exhibit Hall, Orange County Convention Center, West Building) - Oct 13, 2022 - Abstract #KIDNEYWEEK2022KIDNEY_WEEK_872; P=N/A, P1/ Secondary objectives include determining dosing regimen(s) that result in a clinically meaningful reduction of anti-HLA alloantibody levels, the effect on cPRA levels and circulating immunoglobulin isotypes, pharmacokinetics, and immunogenicity. In a companion study (NCT05106387), patients enrolled in NCT05092347 who receive a kidney transplant will be followed for 1 year to assess rates of adverse events, graft survival, rates and classification of rejection, and emergence of anti-HLA alloantibodies.
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Enrollment open: Study for Desensitization of Chronic Kidney Disease in Adult Patients in Need of a Kidney Transplant Who Are Highly Sensitized to Human Leukocyte Antigen (clinicaltrials.gov) - Aug 19, 2022 P1/2, N=60, Recruiting, In a companion study (NCT05106387), patients enrolled in NCT05092347 who receive a kidney transplant will be followed for 1 year to assess rates of adverse events, graft survival, rates and classification of rejection, and emergence of anti-HLA alloantibodies. Not yet recruiting --> Recruiting
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Trial completion date, Trial initiation date, Trial primary completion date: An Observational Extension Study for Adult Patients Treated in Study R5459-RT-1944 Who Receive A Kidney Transplant (clinicaltrials.gov) - Feb 21, 2022 P=N/A, N=12, Not yet recruiting, These results may inform treatment plans, including sequencing and washout period between BCMA-targeting agents. Trial completion date: Feb 2027 --> Jan 2026 | Initiation date: Mar 2022 --> Jul 2022 | Trial primary completion date: Feb 2027 --> Jan 2026
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Enrollment closed, Enrollment change, Trial completion date, Trial primary completion date: First In Human (FIH) Study of REGN5459 in Adult Patients With Relapsed or Refractory Multiple Myeloma (MM) (clinicaltrials.gov) - Jan 5, 2022 P1/2, N=43, Active, not recruiting, Trial completion date: Mar 2025 --> Jul 2025 | Trial primary completion date: Mar 2025 --> Jul 2025 Recruiting --> Active, not recruiting | N=70 --> 43 | Trial completion date: Mar 2025 --> Aug 2023 | Trial primary completion date: Feb 2025 --> Aug 2023
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