NCT06966479Active, not recruitingPhase 2
A Long-Term Safety and Efficacy Study of Verekitug (UPB-101) in Adult Participants with Severe Asthma
A Long-Term Extension Study to Evaluate Safety and Efficacy of Verekitug (UPB-101) in Adult Participants with Severe Asthma who Completed the VALIANT Trial
Source: EU CTIS (euclinicaltrials.eu) · Last updated 8 Jun 2026
Brief summary (registry, in English)
To check if long-term treatment with verekitug is safe and tolerable for adults with severe asthma.
- Status (registry)
- Active, not recruiting
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 123 (estimated)
- First submitted
- 15 Apr 2025
- Start date
- 20 Oct 2025
- Lead sponsor
- Upstream Bio Inc.
- Diseases
- Asthma
- EU CT number
- 2024-519469-23-00
What you commit to
- Study type: Interventional · Phase 2
- Planned participants: 123
- 30 sites in 6 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study, not your situation.
Who cannot take part
Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.
Other illness
- Participant with a history or evidence of a clinically significant pulmonary condition (other than asthma), including significant restrictive findings on pulmonary function testing, chronic bronchitis, emphysema, bronchiectasis, pulmonary fibrosis, or any other related condition that may obscure the study data (e.g., gastroesophageal reflux and vocal cord paralysis/dysfunction).
- Participant is unreliable, incapable of adhering to the protocol and visit schedule according to the judgment of the Investigator or has any disorder that may compromise their ability to give informed consent.
Lab values
- Any clinical laboratory test result outside of the reference ranges considered by the Investigator as clinically significant and that may obscure the study data or interfere with the participant’s safety.
Other
- Abnormal medical history, physical finding, or safety finding that in the opinion of the Investigator may obscure the study data or interfere with the participant’s safety.
- Pregnant or breastfeeding or planning to become pregnant or breastfeed during the study or unwilling to use adequate birth control, if of reproductive potential and sexually active.
- Participants with significant protocol deviations in VALIANT, assessed at the discretion of the Sponsor.
Who the study is looking for
- Completion of the VALIANT study per protocol. Participants must have not met VALIANT discontinuation criteria and have attended the VALIANT EOS visit.
- Participant has signed, dated, and received a copy of the Institutional Review Board (IRB)/Independent Ethics Committee (IEC)-approved written informed consent form (ICF) for the LTE study.
- Contraceptive use by participants must be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (30)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Medical Center Zdrave-1 OOD Coordinator of this site? Confirm its status | Kozloduy | Bulgaria | Active, not recruiting |
| Rahila Angelova Mbal AD Coordinator of this site? Confirm its status | Pernik | Bulgaria | Active, not recruiting |
| Medical Center Hermes Ruse Ltd. Coordinator of this site? Confirm its status | Ruse | Bulgaria | Active, not recruiting |
| Medical Center Pulmovision Ltd. Coordinator of this site? Confirm its status | Sofia | Bulgaria | Active, not recruiting |
| Medical Center Hera EOOD Coordinator of this site? Confirm its status | Sofiya | Bulgaria | Active, not recruiting |
| Medical Center Excelsior OOD Coordinator of this site? Confirm its status | Sofiya | Bulgaria | Active, not recruiting |
| Diagnostics And Consultation Center Convex Ltd. Coordinator of this site? Confirm its status | Sofiya | Bulgaria | Active, not recruiting |
| Medical Center New Rehabilitation Center EOOD Coordinator of this site? Confirm its status | Stara Zagora | Bulgaria | Active, not recruiting |
| Plicni Stredisko Teplice S.R.O Coordinator of this site? Confirm its status | Teplice | Czechia | Active, not recruiting |
| KPPK GmbH Coordinator of this site? Confirm its status | Bendorf | Germany | Active, not recruiting |
| Research Center for Medical Studies (RCMS) Coordinator of this site? Confirm its status | Berlin | Germany | Active, not recruiting |
| IKF Pneumologie GmbH & Co. KG Coordinator of this site? Confirm its status | Frankfurt am Main | Germany | Active, not recruiting |
| ME Clinical Respiratory Research Hamburg GmbH Coordinator of this site? Confirm its status | Hamburg | Germany | Active, not recruiting |
| POIS Sachsen GmbH Coordinator of this site? Confirm its status | Leipzig | Germany | Active, not recruiting |
| IKF Pneumologie GmbH & Co. KG Coordinator of this site? Confirm its status | Mainz | Germany | Active, not recruiting |
| Giromed Institute S.L.P. Coordinator of this site? Confirm its status | Barcelona | Spain | Active, not recruiting |
| Hospital General Universitario Gregorio Marañón Coordinator of this site? Confirm its status | Madrid | Spain | Active, not recruiting |
| Fondazione IRCCS Policlinico San Matteo Coordinator of this site? Confirm its status | Pavia | Italy | Active, not recruiting |
| Centrum Medycyny Oddechowej Mroz sp. j. Coordinator of this site? Confirm its status | Bialystok | Poland | Active, not recruiting |
| Centrum Medyczne All-Med Badania Kliniczne Coordinator of this site? Confirm its status | Cracow | Poland | Active, not recruiting |
| Malopolskie Centrum Alergologii Sp. z o.o. Coordinator of this site? Confirm its status | Cracow | Poland | Active, not recruiting |
| Uniwersyteckie Centrum Kliniczne Coordinator of this site? Confirm its status | Gdansk | Poland | Active, not recruiting |
| Atopia NZOZ Coordinator of this site? Confirm its status | Krakow | Poland | Active, not recruiting |
| Ostrowieckie Centrum Medyczne Anna Olech Cudzik Krzysztof Cudzik s.c. Coordinator of this site? Confirm its status | Ostrowiec Świętokrzyski | Poland | Active, not recruiting |
| Prywatny Gabinet Lekarski Malgorzata Pawlukiewicz Coordinator of this site? Confirm its status | Rzeszcow | Poland | Active, not recruiting |
| EMED Centrum Usług Medycznych Ewa Śmiałek Coordinator of this site? Confirm its status | Rzeszów | Poland | Active, not recruiting |
| ALERGO-MED OŚRODEK BADAŃ KLINICZNYCH Sp. z o.o. Coordinator of this site? Confirm its status | Tarnów | Poland | Active, not recruiting |
| Centrum Badań Klinicznych Piotr Napora Lekarze Sp. p. Coordinator of this site? Confirm its status | Wroclaw | Poland | Active, not recruiting |
| ALL-MED Specjalistyczna Opieka Medyczna Medyczny Instytut Badawczy Coordinator of this site? Confirm its status | Wroclaw | Poland | Active, not recruiting |
| Lekarze Specjalisci - J. Malolepszy I Partnerzy Coordinator of this site? Confirm its status | Wroclaw | Poland | Active, not recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.