The duration of the study for an individual participant started from the signature of the main informed consent and included:
a screening period of up to 28 days;
a treatment period \[max\] 35 cycles (21 days per cycle) for Cohort A and 52 cycles (14 days per cycle) for Cohort C1 or until occurrence of unacceptable toxicities or until PD;
an end-of-treatment visit at least approximately 30 days following the last administration of study drug (or until the participant receives another anticancer therapy, whichever is earlier);
and a follow-up visits 3 months after treatment discontinuation and every 3 months thereafter following, until disease progression, or initiation of another antitumor treatment, or death, whichever is earlier.