Ulcerative Colitis
Conditions
Keywords
Ulcerative colitis, UC, Moderately to severely active ulcerative colitis, Efavaleukin alfa, AMG 592
Brief summary
The primary objective of this study is to evaluate the long-term safety and tolerability of efavaleukin alfa in participants with moderate to severe ulcerative colitis (UC).
Interventions
Subcutaneous (SC) injection
SC injection
Sponsors
Study design
Eligibility
Inclusion criteria
* Participant has provided informed consent prior to initiation of any study specific activities/procedures. * Participant has completed the week 52 endoscopy in the phase 2 dose-finding parent study (20170104) and who in the opinion of the investigator may benefit from continued treatment.
Exclusion criteria
* Permanent discontinuation of investigational product during the 52- week phase 2 dose finding parent study (20170104) for any reason * Female subjects of reproductive potential must agree not to donate eggs during the study and for 6 weeks after receiving the last dose of investigational product. Disease Related: * Adenoma and dysplasia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of Participants with Treatment-emergent Adverse Events (TEAEs) | Day 1 to Week 110 |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Number of Participants with Clinical Response at Week 104 | Week 104 | — |
| Number of Participants with Clinical Remission at Week 52 | Week 52 | — |
| Number of Participants with Clinical Remission at Week 104 | Week 104 | — |
| Number of Participants with Durable Clinical Remission at Week 52 | Week 52 | — |
| Number of Participants with Durable Clinical Remission at Week 104 | Week 104 | — |
| Number of Participants with Endoscopic Remission at Week 52 | Week 52 | — |
| Number of Participants with Endoscopic Remission at Week 104 | Week 104 | — |
| Number of Participants with Histologic Remission at Week 52 | Week 52 | — |
| Number of Participants with Clinical Response at Week 52 | Week 52 | — |
| Number of Participants with Corticosteroid-free Remission | Week 52 | Measured in participants receiving corticosteroids at randomization of parent Study 20170104. |
| Number of Participants with Combined Endoscopic and Histologic Remission at Week 52 | Week 52 | — |
| Number of Participants with Combined Endoscopic and Histologic Remission at Week 104 | Week 104 | — |
| Number of Participants with Symptomatic Remission at Week 52 | Week 52 | — |
| Number of Participants with Symptomatic Remission at Week 104 | Week 104 | — |
| Change from Baseline of Study 20170104 in Histological Score (Geboes) at Week 52 | Baseline of Study 20170104 to Week 52 of Long Term Extension Study (up to approximately 104 weeks) | — |
| Change from Baseline of Study 20170104 in Histological Score (Geboes) at Week 104 | Baseline of Study 20170104 to Week 104 of Long Term Extension Study (up to approximately 156 weeks) | — |
| Number of Participants with Histologic Remission at Week 104 | Week 104 | — |
Countries
Argentina, Bulgaria, Denmark, Germany, Hungary, Japan, Mexico, Poland, Romania, South Korea, Switzerland, Turkey (Türkiye), United States