PURPOSE:

For patients with clinically significant risk of febrile neutropenia, pegfilgrastim administration should occur the day after myelosuppressive chemotherapy; however, a variety of factors may preclude patients from returning to the clinic the next day for pegfilgrastim administration, necessitating other strategies. This study compared the pharmacokinetics and safety of pegfilgrastim administered via an on-body injector applied to the subject's skin versus manual injection using a prefilled syringe.

METHODS:

Healthy subjects aged 18-50 years were randomized 1:1 to receive a single 6-mg subcutaneous pegfilgrastim dose from an on-body injector or a prefilled syringe. Blood for pharmacokinetic measurements was collected at baseline and prespecified time points after pegfilgrastim administration; safety was assessed throughout the 6-week study. Primary endpoints were maximum concentration (C max) and area under the concentration curve from time 0 to infinity (AUC0-inf). Secondary endpoints included safety, tolerability, and immunogenicity.'

 

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