Upstream Bio to Host Conference Call and Webcast to Report Top-Line Data from the Phase 2 VIBRANT Trial of Verekitug in Patients with Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
Upstream Bio (NASDAQ:UPB) has scheduled a conference call and webcast for September 2, 2025, at 8:00 a.m. ET to present top-line data from its Phase 2 VIBRANT trial. The study evaluates verekitug, a unique monoclonal antibody targeting TSLP receptor, in patients with chronic rhinosinusitis with nasal polyps (CRSwNP).
The VIBRANT trial (NCT06164704) is a global, randomized, placebo-controlled study where participants received either 100 mg of verekitug or placebo subcutaneously every 12 weeks for 24 weeks. The trial's primary endpoint focuses on measuring changes in endoscopic nasal polyp score at Week 24.
Upstream Bio (NASDAQ:UPB) ha programmato una conference call e una webcast per il 2 settembre 2025 alle 8:00 a.m. ET per presentare i dati principali del suo trial di Fase 2 VIBRANT. Lo studio valuta verekitug, un anticorpo monoclonale distintivo che mira al recettore TSLP, in pazienti con rinosinusite cronica con polipi nasali (CRSwNP).
Il trial VIBRANT (NCT06164704) è uno studio globale, randomizzato e controllato con placebo: i partecipanti hanno ricevuto 100 mg di verekitug o placebo per via sottocutanea ogni 12 settimane per 24 settimane. L'endpoint primario è la variazione del punteggio endoscopico dei polipi nasali alla Settimana 24.
Upstream Bio (NASDAQ:UPB) ha programado una conferencia telefónica y una retransmisión por web para el 2 de septiembre de 2025 a las 8:00 a.m. ET para presentar los datos principales de su ensayo de Fase 2 VIBRANT. El estudio evalúa verekitug, un anticuerpo monoclonal único dirigido al receptor de TSLP, en pacientes con rinosinusitis crónica con pólipos nasales (CRSwNP).
El ensayo VIBRANT (NCT06164704) es un estudio global, aleatorizado y controlado con placebo en el que los participantes recibieron 100 mg de verekitug o placebo por vÃa subcutánea cada 12 semanas durante 24 semanas. El criterio de valoración primario mide el cambio en la puntuación endoscópica de los pólipos nasales en la Semana 24.
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Upstream Bio (NASDAQ:UPB) a programmé une conférence téléphonique et un webinaire pour le 2 septembre 2025 à 8:00 a.m. ET afin de présenter les données principales de son essai de phase 2 VIBRANT. L'étude évalue verekitug, un anticorps monoclonal unique ciblant le récepteur TSLP, chez des patients atteints de rhinosinusite chronique avec polypes nasaux (CRSwNP).
L'essai VIBRANT (NCT06164704) est une étude mondiale, randomisée et contrôlée par placebo dans laquelle les participants ont reçu 100 mg de verekitug ou un placebo par voie sous-cutanée toutes les 12 semaines pendant 24 semaines. Le critère d'évaluation principal porte sur la variation du score endoscopique des polypes nasaux à la semaine 24.
Upstream Bio (NASDAQ:UPB) hat für den 2. September 2025 um 8:00 a.m. ET eine Telefonkonferenz und ein Webcast angesetzt, um die Topline-Daten seiner Phase-2-Studie VIBRANT vorzustellen. Die Studie untersucht verekitug, einen einzigartigen monoklonalen Antikörper gegen den TSLP-Rezeptor, bei Patienten mit chronischer Rhinosinusitis mit Nasenpolypen (CRSwNP).
Die VIBRANT-Studie (NCT06164704) ist eine globale, randomisierte, placebokontrollierte Studie, in der die Teilnehmer alle 12 Wochen über 24 Wochen subkutan entweder 100 mg verekitug oder Placebo erhielten. Der primäre Endpunkt ist die Veränderung des endoskopischen Nasenpolypen-Scores in Woche 24.
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� Conference Call and Webcast to be held Tuesday, September 2, 2025, at 8:00 a.m. ET �
WALTHAM, Mass., Sept. 01, 2025 (GLOBE NEWSWIRE) -- (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today announced it will report top-line data from the Phase 2 VIBRANT trial of verekitug, the only known clinical-stage monoclonal antibody targeting the receptor for thymic stromal lymphopoietin (TSLP), on Tuesday, September 2, 2025.
The VIBRANT trial (NCT06164704) was a Phase 2 global, randomized, placebo-controlled, parallel group clinical trial designed to assess the efficacy and safety of verekitug in adults with CRSwNP. Participants received either 100Â mg of verekitug or placebo subcutaneously every 12 weeks for 24 weeks. The primary endpoint was change in endoscopic nasal polyp score (NPS) at Week 24.
Conference Call and Webcast
Upstream Bio’s conference call and webcast to discuss the top-line data results from the Phase 2 VIBRANT trial will begin Tuesday, September 2, 2025, at 8:00 a.m. ET. The live webcast can be accessed via this or on the Events tab on the Investors section of the Company’s website at . A replay of the webcast will be available on the website following the call.
About Upstream Bio
Upstream Bio is a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. The Company is developing verekitug, the only known antagonist currently in clinical development that targets the receptor for thymic stromal lymphopoietin (TSLP), a cytokine which is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune mediated diseases. The Company has advanced this highly potent monoclonal antibody into separate Phase 2 trials for the treatment of chronic rhinosinusitis with nasal polyps (CRSwNP), severe asthma, and chronic obstructive pulmonary disease (COPD). Upstream Bio’s team is committed to maximizing verekitug’s unique attributes to address the substantial unmet needs for patients underserved by today’s standard of care. To learn more, please visit .

Investor and Media Contact: Meggan Buckwell Director, Corporate Communications and Investor Relations [email protected]