SEP 10, 2026 · JOURNAL ARTICLE
Longitudinal Changes in QTc Interval in Cancer Patients After the Initiation of Systemic Therapy: Analysis of the ONCOECHO Study Cohort
Cancers
A single-centre observational cohort study with surrogate ECG endpoints and modest sample size (n=291) examining QTc changes during cancer therapy; findings on QTc prolongation risk are descriptive and hypothesis-generating rather than practice-changing.
Reported
Sample size291
QTcF at baseline, mean ± SD400.9 ± 29 ms
QTcF at month 6, mean ± SD409.6 ± 25 ms