The phrase "allowed to crossover" is correct and usable in written English.
It can be used in contexts where permission is granted to transition or move from one side to another, often in discussions about rules or boundaries.
Example: "In this competition, participants are allowed to crossover to the other team’s side if they have the referee's approval."
Alternatives: "permitted to cross" or "authorized to transition".
At progression, those receiving placebo were allowed to crossover back to active drug.
Finally, patients were allowed to crossover (32 out of 131 who had an adequate trial of therapy), making analysis even more difficult.
Finally, the majority of the studies did not report whether data for OS included patients who were allowed to crossover between treatment arms.
Although median OS did not differ between the arms, monotherapy patients were also allowed to crossover to the combination arm at progression and continue study therapy.
For the phase III trial of everolimus, placebo patients were allowed to crossover to everolimus after documented progression (McDermott et al, 2005; Korhonen and Malangone, 2010; Motzer et al, 2010; Korhonen et al, 2011; Wiederkehr et al, 2011).
Patients on the chlorambucil alone arm were allowed to crossover to the obinutuzumab plus chlorambucil group if they had progressive disease during their initial treatment or within 6 months of its completion.
One RCT allowed patients to crossover during the trial, this resulted in 50 out of 81 patients randomised to prednisone to receive additional mitoxantrone (Tannock et al, 1996); the other two RCTs did not allow crossovers.
It's not to create a platform that will allow them to "crossover" into mainstream film; they are already famous for being famous.
Pastor Bob Beeman of Sanctuary International stated that this is a compliment to secular music, as it lets people to listen to the music they enjoyed without feeling like they are giving up on the style they love and allows bands to crossover into mainstream success.
To ensure that the lethality of the pcm chromosome was due solely to the deletion at the pacman locus, chromosomal crossover was allowed to occur between the pcm chromosome (w pcm ) and a chromosome containing multiple recessive markers (y cv v f car, stock 1515).
Importantly, however, this study allowed crossover, and patients treated only with prednisone initially were allowed to receive subsequent chemotherapy upon relapse, thus potentially vitiating any survival benefit.
