Mateev, Grisha S.
Demerdjieva, Zdravka V.
Yankova, Rumyana K.
Gospodinova, Klimentina D.
Ilieva, Boryana E. https://orcid.org/0009-0006-9287-8903
Darlenski, Razvigor B.
Funding for this research was provided by:
Johnson and Johnson
Article History
Received: 17 November 2025
Accepted: 18 December 2025
First Online: 10 January 2026
Declarations
:
: Boryana E. Ilieva is an employee of Johnson & Johnson Bulgaria EOOD. Razvigor B. Darlenski received a medical writing services fee from Johnson & Johnson Bulgaria EOOD. Grisha S. Mateev, Zdravka V. Demerdjieva, Rumyana K. Yankova, and Klimentina D. Gospodinova declare no conflicts of interest.
: The Bulgarian Independent Ethics Committee for Clinical Studies and the Bulgarian Drug Agency approved the study protocol. The study followed the Helsinki Declaration and all applicable local and international regulatory requirements. All patients signed an informed consent form.