Live from ClinicalTrials.gov + Open Targets, fetched 2026-11-11 20:21 UTC. Every row links to its source record.
Postmortem · what the sponsor and named sources said, kept apart from what merely happened at the same time
A Study to Evaluate the Efficacy, Safety, and Tolerability of Rozanolixizumab in Adult Study Participants With Persistent or Chronic Primary Immune Thrombocytopenia (ITP)
NCT04200456 · UCB Biopharma SRL · PHASE3 · terminated · last registry update 2025-03-18 · Decision brief
No research has been run for this trial yet, so only the registry's own reason and the timeline are shown.
What was said, and by whom
Stated is the sponsor's own words; Reported is a named third party. The category is our label from a fixed list; the quote is the evidence.
| Kind | Quote | Our category | Source |
|---|---|---|---|
| Stated | “Strategic Business Decision; Not a safety decision” | – | Registry record, UCB Biopharma SRL |
Also happening at the time. Not shown to be a cause.
Registry events on other trials of drugs against FCGRT within 12 months either side of this trial's last update, live from ClinicalTrials.gov. Nothing here was stated as a reason.
- 2026-03-12Also stopped (withdrawn): Chafic Karam, Efgartigimod Alfa-Fcab + Intravenous Immunoglobulin (IVIg) (NCT05701189)
- 2026-03-11Phase 3 first posted: UCB Biopharma SRL, Rozanolixizumab + Placebo (NCT07463521)
- 2026-03-11Phase 3 first posted: UCB Biopharma SRL, Rozanolixizumab (NCT07465289)
- 2026-02-27Phase 3 first posted: Janssen Research & Development, LLC, Nipocalimab + Placebo (NCT07438496)
- 2026-02-27Also stopped (withdrawn): Janssen Research & Development, LLC, Nipocalimab + Standard-of-care treatment (NCT04883619)
- 2026-02-20Results posted on the registry: argenx, Efgartigimod (NCT06203457)
- 2025-10-23Results posted on the registry: argenx, Efgartigimod (NCT05918978)
- 2025-10-23Also stopped (terminated): argenx, Efgartigimod (NCT05918978)
- 2025-10-16Phase 3 first posted: Janssen Research & Development, LLC, Nipocalimab + Efgartigimod (NCT07217587)
- 2025-10-16Results posted on the registry: Janssen Research & Development, LLC, Placebo + Nipocalimab (NCT06028438)
- 2025-08-22Results posted on the registry: Janssen Research & Development, LLC, Nipocalimab (NCT04991753)
- 2025-07-23Results posted on the registry: Janssen Research & Development, LLC, Nipocalimab + Placebo (NCT04951622)
- 2025-07-18Results posted on the registry: argenx, Efgartigimod + Placebo (NCT05817669)
- 2025-07-01Results posted on the registry: UCB Biopharma SRL, rozanolixizumab (NCT05643794)
- 2025-05-31Results posted on the registry: UCB Biopharma SRL, Rozanolixizumab + Placebo (NCT04875975)
- 2025-05-31Also stopped (terminated): UCB Biopharma SRL, Rozanolixizumab + Placebo (NCT04875975)
- 2025-05-23Results posted on the registry: argenx, Efgartigimod + Placebo (NCT05633407)
- 2025-05-07Results posted on the registry: UCB Biopharma SRL, Rozanolixizumab (NCT05681715)
- 2025-04-18Results posted on the registry: UCB Biopharma SRL, Rozanolixizumab (NCT04650854)
- 2025-03-20Phase 3 first posted: Zhongming Qiu, efgartigimod (NCT06885762)
- 2025-03-13Results posted on the registry: argenx, efgartigimod (NCT04188379)
- 2025-01-09Phase 3 first posted: Clinique Neuro-Outaouais, efgartigimod administration (NCT06765161)
- 2024-12-19Phase 3 first posted: Janssen Research & Development, LLC, Nipocalimab + Placebo (NCT06741969)
- 2024-09-19Phase 3 first posted: University Health Network, Toronto, efgartigimod (NCT06587867)
- 2024-08-06Phase 3 first posted: UCB Biopharma SRL, rozanolixizumab (NCT06540144)
What is not public
- Internal portfolio and board discussions
- Unpublished trial data and interim analyses
- Terms of any partner or licence decision