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Study results in kidney transplant

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Primary endpoint results through Week 52 post-transplant

In high-risk CMV D+/R- adult kidney transplant recipients,
PREVYMIS met the primary end point in a non-inferiority study vs valganciclovirc

The Observed Failure (OF) approach was used, where subjects who discontinued prematurely from the study for any reason or were missing data at the time point were not counted as failures.

  • The number of subjects who discontinued from the study before Week 52 (~365 days) was 32 (11%) in the PREVYMIS arm and 28 (9%) in the valganciclovir arm. The number of subjects with a missing outcome in the Week 52 (~365 days) visit window was 24 (8%) in the PREVYMIS arm and 25 (8%) in the valganciclovir arm

PREVYMIS was noninferior to valganciclovir in preventing CMV disease

Incidence of CMV disease through Week 52 (~365 days) post-transplant (OF approach)

Incidence of CMV Disease in High-Risk Kidney Transplant Recipients Through Week 52 Post Transplant

(a) CMV disease cases confirmed by an independent adjudication committee.
(b) Defined as evidence of CMV in blood by viral isolation, rapid culture, antigenemia, or nucleic acid testing, and two or more of the following: 1) fever ≥38°C for at least 2 days, 2) new or increased malaise/fatigue, 3) leukopenia or neutropenia on two separate measurements at least 24 hours apart, 4) ≥5% atypical lymphocytes, 5) thrombocytopenia, 6) elevation of ALT or AST to 2x ULN.
(c) Based on a non-inferiority margin of 10%, PREVYMIS is noninferior to valganciclovir.

Efficacy that can go head-to-head vs valganciclovir

In high-risk CMV D+/R- adult kidney transplant recipients, incidence of CMV diseasea

Incidence of CMV disease

Incidence of CMV Disease in High-Risk Kidney Transplant Recipients Through Week 28 Post Transplant

(a) From an exploratory analysis.
(b) CMV end-organ disease or CMV syndrome, confirmed by an independent adjudication committee.

Efficacy results were comparable across all subgroups

This included those with use or nonuse of highly cytolytic, anti-lymphocyte immunotherapy during induction.

See study design

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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® (letermovir) 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.
  • The rate of adverse events occurring in at least 10% of 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 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 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.
  • The safety and efficacy of PREVYMIS in patients below 18 years of age have not been established.
  • 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 also is 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® (letermovir) 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® (letermovir) 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.
  • The rate of adverse events occurring in at least 10% of 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 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 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.
  • The safety and efficacy of PREVYMIS in patients below 18 years of age have not been established.
  • 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 also is 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.