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Adverse events in adult kidney transplant patients

In a Phase 3 clinical trial in adult high-risk CMV D+/R- kidney transplant recipients,
prophylaxis with PREVYMIS was generally well-tolerated

Adverse events through Week 28 (~200 days) post-transplant

  • Diarrhea was reported in at least 10% of subjects in the PREVYMIS group and at a frequency greater than valganciclovir (PREVYMIS 32% vs valganciclovir 29%)

Fewer patients discontinued PREVYMIS vs valganciclovir due to an AE through Week 28 (~200 days) post-transplant

  • 4% of patients receiving PREVYMIS discontinued due to an AE vs 14% of patients receiving valganciclovir
  • Most frequently reported AEs leading to discontinuation were neutropenia (1% with PREVYMIS vs 2% with valganciclovir) and leukopenia (1% with PREVYMIS vs 5% with valganciclovir)

Selected laboratory abnormalities through Week 28 (~200 days) post-transplant

Prespecified analysis of neutropenia or leukopenia events through Week 281

  • The proportion of participants with events of leukopenia or neutropenia (reported as an AE by an investigator or as laboratory criteria defined in protocol as total WBC count <3500 cells/μL or ANC <1000 cells/μL) through Week 28 post-transplant was significantly lower in the PREVYMIS group compared with the valganciclovir group (26% vs 64%); P<0.0011
  • Limitation: This analysis captures both clinical AEs reported by investigators and reported laboratory abnormalities. Laboratory abnormalities are not consistently reported as clinical AEs and laboratory results are generally considered to be more objective

Reference

  1. Limaye AP, Budde K, Humar A, et al. Letermovir vs valganciclovir for prophylaxis of cytomegalovirus in high-risk kidney transplant recipients: a randomized clinical trial. JAMA. 2023;e239106. doi:10.1001/jama.2023.9106

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Indications

PREVYMIS® (letermovir) is indicated for prophylaxis of cytomegalovirus (CMV) infection and disease in adult CMV-seropositive recipients [R+] of an allogeneic hematopoietic stem cell transplant (HSCT).

 

PREVYMIS® is indicated for prophylaxis of CMV disease in adult kidney transplant recipients at high risk (Donor CMV seropositive/Recipient CMV seronegative [D+/R-]).

Selected Safety Information

  • PREVYMIS is contraindicated in patients receiving pimozide or ergot alkaloids.
      • Increased pimozide concentrations may lead to QT prolongation and torsades de pointes.
      • Increased ergot alkaloids concentrations may lead to ergotism.
  • PREVYMIS is contraindicated with pitavastatin and simvastatin when co-administered with cyclosporine. Significantly increased pitavastatin or simvastatin concentrations may lead to myopathy or rhabdomyolysis.
  • The concomitant use of PREVYMIS and certain drugs may result in potentially significant drug interactions, some of which may lead to adverse reactions (PREVYMIS or concomitant drugs) or reduced therapeutic effect of PREVYMIS or the concomitant drug.
  • Intravenous formulation of PREVYMIS contains the excipient hydroxypropyl betadex. PREVYMIS injection should be used only in patients unable to take oral therapy and patients should be switched to oral PREVYMIS as soon as they are able to take oral medications. If possible, intravenous administration should not exceed 4 weeks.
  • In patients with renal impairment, accumulation of hydroxypropyl betadex may occur. In adult patients with CLcr less than 50 mL/min and in pediatric patients with a similar degree of renal impairment (based on age-appropriate assessment of renal function) receiving PREVYMIS injection, closely monitor serum creatinine levels.
  • Animal studies have shown the potential for hydroxypropyl betadex to cause ototoxicity. The active ingredient, letermovir, is not known to be associated with ototoxicity.
  • The rate of adverse events occurring in at least 10% of adult HSCT recipients treated with PREVYMIS and at a frequency at least 2% greater than placebo were nausea (27% vs 23%), diarrhea (26% vs 24%), vomiting (19% vs 14%), peripheral edema (14% vs 9%), cough (14% vs 10%), headache (14% vs 9%), fatigue (13% vs 11%), and abdominal pain (12% vs 9%).
  • Hypersensitivity reaction, with associated moderate dyspnea, occurred in one adult HSCT recipient following the first infusion of IV PREVYMIS after switching from oral PREVYMIS, leading to treatment discontinuation.
  • The most common adverse event occurring in at least 10% of adult kidney transplant recipients treated with PREVYMIS and at a frequency greater than valganciclovir was diarrhea (32% vs 29%).
  • If PREVYMIS is co-administered with cyclosporine, the dosage of PREVYMIS should be decreased to 240 mg once daily.
  • Co-administration of PREVYMIS may alter the plasma concentrations of other drugs and other drugs may alter the plasma concentrations of PREVYMIS. Consult the full Prescribing Information prior to and during treatment for potential drug interactions.
  • Closely monitor serum creatinine levels in patients with CLcr less than 50 mL/min using PREVYMIS injection.
  • PREVYMIS is not recommended for patients with severe (Child-Pugh Class C) hepatic impairment.
  • For patients with creatinine clearance (CLcr) greater than 10 mL/min (by Cockcroft-Gault equation), no dosage adjustment of PREVYMIS is required based on renal impairment. The safety of PREVYMIS in patients with end-stage renal disease (CLcr less than 10 mL/min), including patients on dialysis, is unknown.

Before prescribing PREVYMIS® (letermovir), please read the accompanying Prescribing Information. The Patient Information and Instructions for Use also are available.

Indications

PREVYMIS® (letermovir) is indicated for prophylaxis of cytomegalovirus (CMV) infection and disease in adult CMV-seropositive recipients [R+] of an allogeneic hematopoietic stem cell transplant (HSCT).

 

PREVYMIS® is indicated for prophylaxis of CMV disease in adult kidney transplant recipients at high risk (Donor CMV seropositive/Recipient CMV seronegative [D+/R-]).

PREVYMIS® (letermovir) is indicated for prophylaxis of cytomegalovirus (CMV) infection and disease in adult

PREVYMIS® (letermovir) is indicated for prophylaxis of cytomegalovirus (CMV) infection and disease in adult CMV-seropositive recipients [R+] of an allogeneic hematopoietic stem cell transplant (HSCT).

PREVYMIS® is indicated for prophylaxis of CMV disease in adult kidney transplant recipients at high risk (Donor CMV seropositive/Recipient CMV seronegative [D+/R-]).

Selected Safety Information

  • PREVYMIS is contraindicated in patients receiving pimozide or ergot alkaloids.
      • Increased pimozide concentrations may lead to QT prolongation and torsades de pointes.
      • Increased ergot alkaloids concentrations may lead to ergotism.
  • PREVYMIS is contraindicated with pitavastatin and simvastatin when co-administered with cyclosporine. Significantly increased pitavastatin or simvastatin concentrations may lead to myopathy or rhabdomyolysis.
  • The concomitant use of PREVYMIS and certain drugs may result in potentially significant drug interactions, some of which may lead to adverse reactions (PREVYMIS or concomitant drugs) or reduced therapeutic effect of PREVYMIS or the concomitant drug.
  • Intravenous formulation of PREVYMIS contains the excipient hydroxypropyl betadex. PREVYMIS injection should be used only in patients unable to take oral therapy and patients should be switched to oral PREVYMIS as soon as they are able to take oral medications. If possible, intravenous administration should not exceed 4 weeks.
  • In patients with renal impairment, accumulation of hydroxypropyl betadex may occur. In adult patients with CLcr less than 50 mL/min and in pediatric patients with a similar degree of renal impairment (based on age-appropriate assessment of renal function) receiving PREVYMIS injection, closely monitor serum creatinine levels.
  • Animal studies have shown the potential for hydroxypropyl betadex to cause ototoxicity. The active ingredient, letermovir, is not known to be associated with ototoxicity.
  • The rate of adverse events occurring in at least 10% of adult HSCT recipients treated with PREVYMIS and at a frequency at least 2% greater than placebo were nausea (27% vs 23%), diarrhea (26% vs 24%), vomiting (19% vs 14%), peripheral edema (14% vs 9%), cough (14% vs 10%), headache (14% vs 9%), fatigue (13% vs 11%), and abdominal pain (12% vs 9%).
  • Hypersensitivity reaction, with associated moderate dyspnea, occurred in one adult HSCT recipient following the first infusion of IV PREVYMIS after switching from oral PREVYMIS, leading to treatment discontinuation.
  • The most common adverse event occurring in at least 10% of adult kidney transplant recipients treated with PREVYMIS and at a frequency greater than valganciclovir was diarrhea (32% vs 29%).
  • If PREVYMIS is co-administered with cyclosporine, the dosage of PREVYMIS should be decreased to 240 mg once daily.
  • Co-administration of PREVYMIS may alter the plasma concentrations of other drugs and other drugs may alter the plasma concentrations of PREVYMIS. Consult the full Prescribing Information prior to and during treatment for potential drug interactions.
  • Closely monitor serum creatinine levels in patients with CLcr less than 50 mL/min using PREVYMIS injection.
  • PREVYMIS is not recommended for patients with severe (Child-Pugh Class C) hepatic impairment.
  • For patients with creatinine clearance (CLcr) greater than 10 mL/min (by Cockcroft-Gault equation), no dosage adjustment of PREVYMIS is required based on renal impairment. The safety of PREVYMIS in patients with end-stage renal disease (CLcr less than 10 mL/min), including patients on dialysis, is unknown.

Before prescribing PREVYMIS® (letermovir), please read the accompanying Prescribing Information. The Patient Information and Instructions for Use also are available.

PREVYMIS is contraindicated in patients receiving pimozide or

  • PREVYMIS is contraindicated in patients receiving pimozide or ergot alkaloids.
    • Increased pimozide concentrations may lead to QT prolongation and torsades de pointes.