Table 1.

Emergent Drug Resistance After ≥21 Days of Study Drug

Randomized Study DrugMaribavirValganciclovirP Value (Test)
Received ≥21 d, n241241
 Days of study drug treatment, median (range)56 (21–62)55 (21–63)
 Primary end point achieved, n (%)187 (77.6)210 (87.1).008a
 Recurrence of CMV DNA while on therapy, n (%)14 (5.8)0.0001a
 Baseline plasma CMV DNA ≥9100 IU/mL, n4244
Developed resistance mutation for study drug, n (%)24 (10)6 (2.5).001a
 Days of study drug treatment, median (range)56 (40–60)55.5 (32–58)
 Days to detection of first DRM, median (range)56 (35–125)89.5 (66–110).007b
 Recurrence of CMV DNA while on therapy, n (%)12 (50)0
 Baseline plasma CMV DNA ≥9100 IU/mL, n (%)12 (50)3 (50)
 Primary end point achieved, n (%)4 (16.7)4 (66.7).03a
Randomized Study DrugMaribavirValganciclovirP Value (Test)
Received ≥21 d, n241241
 Days of study drug treatment, median (range)56 (21–62)55 (21–63)
 Primary end point achieved, n (%)187 (77.6)210 (87.1).008a
 Recurrence of CMV DNA while on therapy, n (%)14 (5.8)0.0001a
 Baseline plasma CMV DNA ≥9100 IU/mL, n4244
Developed resistance mutation for study drug, n (%)24 (10)6 (2.5).001a
 Days of study drug treatment, median (range)56 (40–60)55.5 (32–58)
 Days to detection of first DRM, median (range)56 (35–125)89.5 (66–110).007b
 Recurrence of CMV DNA while on therapy, n (%)12 (50)0
 Baseline plasma CMV DNA ≥9100 IU/mL, n (%)12 (50)3 (50)
 Primary end point achieved, n (%)4 (16.7)4 (66.7).03a

Abbreviations: CMV, cytomegalovirus; d, days; DRM, drug resistance mutation.

aFisher exact test (2-tailed).

bStudent t test (2-tailed, unequal variances).

Table 1.

Emergent Drug Resistance After ≥21 Days of Study Drug

Randomized Study DrugMaribavirValganciclovirP Value (Test)
Received ≥21 d, n241241
 Days of study drug treatment, median (range)56 (21–62)55 (21–63)
 Primary end point achieved, n (%)187 (77.6)210 (87.1).008a
 Recurrence of CMV DNA while on therapy, n (%)14 (5.8)0.0001a
 Baseline plasma CMV DNA ≥9100 IU/mL, n4244
Developed resistance mutation for study drug, n (%)24 (10)6 (2.5).001a
 Days of study drug treatment, median (range)56 (40–60)55.5 (32–58)
 Days to detection of first DRM, median (range)56 (35–125)89.5 (66–110).007b
 Recurrence of CMV DNA while on therapy, n (%)12 (50)0
 Baseline plasma CMV DNA ≥9100 IU/mL, n (%)12 (50)3 (50)
 Primary end point achieved, n (%)4 (16.7)4 (66.7).03a
Randomized Study DrugMaribavirValganciclovirP Value (Test)
Received ≥21 d, n241241
 Days of study drug treatment, median (range)56 (21–62)55 (21–63)
 Primary end point achieved, n (%)187 (77.6)210 (87.1).008a
 Recurrence of CMV DNA while on therapy, n (%)14 (5.8)0.0001a
 Baseline plasma CMV DNA ≥9100 IU/mL, n4244
Developed resistance mutation for study drug, n (%)24 (10)6 (2.5).001a
 Days of study drug treatment, median (range)56 (40–60)55.5 (32–58)
 Days to detection of first DRM, median (range)56 (35–125)89.5 (66–110).007b
 Recurrence of CMV DNA while on therapy, n (%)12 (50)0
 Baseline plasma CMV DNA ≥9100 IU/mL, n (%)12 (50)3 (50)
 Primary end point achieved, n (%)4 (16.7)4 (66.7).03a

Abbreviations: CMV, cytomegalovirus; d, days; DRM, drug resistance mutation.

aFisher exact test (2-tailed).

bStudent t test (2-tailed, unequal variances).

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