Drugs / pegrizeprument
last change Jul 2026 re-read 2 minutes ago

pegrizeprument

also known as FR104 · VEL-101

Monoclonal antibody targets CD28 via inhibition

Investigated by
OSE Immunotherapeutics · Veloxis Pharmaceuticals · Nantes University Hospital

Trials 4 · a red edge is where a trial was stopped

201520162017201820192020202120222023202420252026202720282029
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT05238493 Apr 2022 → Jan 2023 Veloxis Pharmaceuticals Completed No outcome recorded
Phase 1 NCT02800811 Apr 2015 → Jun 2016 disease related to transplantation, rheumatoid arthritis OSE Immunotherapeutics Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT04837092 Jun 2021 → Apr 2025 Nantes University Hospital Completed No outcome recorded
Phase 21 trial
Phase 2 NCT07290777 Jul 2026 → Oct 2028 expected Veloxis Pharmaceuticals Not yet recruiting No outcome recorded

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 6 sources stand behind the page.

FieldValueCited text
Known as pegrizeprument “BACKGROUND: VEL-101, also known as pegrizeprument, is a monovalent, humanized, anti-CD28 PEGylated monoclonal antibody fragment” PMID 42083151 May 2026
Known as FR104 ClinicalTrials.gov intervention name — accepted as the source's own label NCT02800811
1

NCT04837092

Known as VEL-101 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05238493
1

NCT07290777

Action Inhibit “FR104, a Novel Antagonist Pegylated Anti-CD28 Fab' Antibody Fragment” NCT04837092
Modality Monoclonal antibody “anti-CD28 PEGylated monoclonal antibody fragment” PMID 42083151 May 2026
1

CHEMBL6068172

Route Intravenous “All FR104 doses are administered intravenously by a slow infusion of at least 30 minutes.” NCT02800811
Target CD28 “Anti-CD28NCT04837092