A phase I study evaluating subcutaneous administration of the monoclonal antibody programmed cell death protein-1 (PD-1) inhibitor cetrelimab (JNJ-63723283) in patients with advanced solid malignancies

Piotr Rutkowski, Dariusz M. Kowalski, Victor Moreno, Aitana Calvo, Fiona Thistlethwaite, Ruth Plummer, Douglas Steinbach, John Loffredo, Sydney Akapeme, Daniel Jonathan, Vinod Philip, Angela Girvin, Shalaka Hampras, Peter Hellemans, Iurie Bulat · 2026

Read A phase I study evaluating subcutaneous administration of the monoclonal antibody programmed cell death protein-1 (PD-1) inhibitor cetrelimab (JNJ-63723283) in patients with advanced solid malignancies by Piotr Rutkowski, Dariusz M. Kowalski, Victor Moreno, Aitana Calvo, Fiona Thistlethwaite, Ruth Plummer, Douglas Steinbach, John Loffredo, Sydney Akapeme, Daniel Jonathan, Vinod Philip, Angela Girvin, Shalaka Hampras, Peter Hellemans, Iurie Bulat (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13522328.txt.

Description

Piotr Rutkowski and colleagues test in 2026 under-skin delivery of cetrelimab, a PD-1 blocking antibody, for advanced solid tumours in a phase I study. Participants had exhausted or lacked standard options and had never received checkpoint blockade before.

Thirty patients joined two parts testing a dilute then a concentrated formula, with a loading dose added in the second part. Median treatment lasted about two months in a heavily pretreated group. Drug-linked side effects affected 70 percent, with no drug-linked serious events or systemic infusion reactions. Two durable responses appeared, while loading dosing reached target exposure faster, supporting under-skin delivery for later trials.

Catalog record

CREATORPiotr Rutkowski, Dariusz M. Kowalski, Victor Moreno, Aitana Calvo, Fiona Thistlethwaite, Ruth Plummer, Douglas Steinbach, John Loffredo, Sydney Akapeme, Daniel Jonathan, Vinod Philip, Angela Girvin, Shalaka Hampras, Peter Hellemans, Iurie Bulat
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE46580
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13522328

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