Drweesh, Hadeel
Alotaibi, Amal
Alqassim, Hussain Abdalghani
Eid, Mohammed Mustafa
Emsaad, Shaimaa Abdulhadi
Saad, Mohamed Omar
Higazy, Alya Salah
Alturaiki, Abdulrahman
Almutairi, Fares
Alhussain, Abdulsattar
Assiri, Abdulmohsen
Alkofide, Hadeel
Alruthia, Yazeed
Albassam, Ahmed
Alsultan, Abdullah https://orcid.org/0000-0002-7013-8369
Article History
Received: 15 October 2025
Accepted: 5 January 2026
First Online: 17 March 2026
Declarations
:
: Ethical approval was obtained from the Institutional Review Board (IRB) of each participating hospital. Initially the IRB was approved at King Saud University Medical City under the title “Pharmacokinetics of brand vs. generic products for critical drugs “and IRB # E-24–8812 and then later at the other sites. The study was conducted in accordance with the Declaration of Helsinki and institutional policies governing research involving human subjects.
: Not applicable, given its non-interventional and retrospective nature, the requirement for informed consent was waived.
: The authors declare no conflicts of interest.