New drug combo aims to treat bladder cancer without chemo
NCT ID NCT05645692
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This Phase 2 trial tests two new immunotherapy drugs, tobemstomig alone or with tiragolumab, against the standard drug atezolizumab. It includes 204 people with advanced bladder cancer who cannot have platinum chemotherapy. The main goal is to check safety and side effects.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- tobemstomig (alone or with tiragolumab) compared to atezolizumab
- What this could lead to
- If successful, this could offer a new immunotherapy option for people with advanced bladder cancer who cannot take standard chemotherapy.
- What could go wrong
- This is an early Phase 2 trial with only 204 participants, so results may not confirm benefit. Immunotherapies can cause immune-related side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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*X*CEPHO - Centro de Estudos e Pesquisas em Hematologia e Oncologia
Santo André, São Paulo, 09060-650, Brazil
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A.O. Universitaria Ospedale Consorziale Policlinico Di Bari
Bari, Apulia, 70124, Italy
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Aarhus Universitetshospital
Aarhus N, 8200, Denmark
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Adana Baskent University Medical Faculty
Adana, 01220, Turkey (Türkiye)
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Alexandras General Hospital of Athens
Athens, 115 28, Greece
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Ankara City Hospital
Ankara, 06800, Turkey (Türkiye)
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Asan Medical Center
Seoul, 05505, South Korea
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Attikon University General Hospital
Chaïdári, 124 62, Greece
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Azienda Ospedaliera S. Maria - Terni
Terni, Umbria, 05100, Italy
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Azienda Ospedaliero-Universitaria S.Orsola-Malpighi
Bologna, Emilia-Romagna, 40138, Italy
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Barts and the London NHS Trust
London, E1 2ES, United Kingdom
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Beijing Cancer Hospital
Beijing, 100142, China
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Centre Leon Berard
Lyon, 69373, France
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Cleveland Clinic
Cleveland, Ohio, 44106, United States
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Gachon University Gil Medical Center
Incheon, 21565, South Korea
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Goztepe Prof.Dr. Suleyman Yalcin City Hospital
Kadiköy, 34722, Turkey (Türkiye)
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Gustave Roussy
Villejuif, 94800, France
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Health Pharma Professional Research
Mexico City, Mexico CITY (federal District), 03100, Mexico
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Herlev Hospital
Herlev, 2730, Denmark
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Hospital Alemao Oswaldo Cruz
São Paulo, São Paulo, 01323-903, Brazil
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario Clínico San Carlos
Madrid, 28040, Spain
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Hospital Universitario Evangelico De Curitiba
Curitiba, Paraná, 80440-220, Brazil
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Hospital Universitario La Paz
Madrid, 28046, Spain
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Hospital das Clinicas - UFRGS
Porto Alegre, Rio Grande do Sul, 90035-903, Brazil
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Hospital de Amor Amazônia
Porto Velho, Rondônia, 76834-899, Brazil
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Hospital de Madrid Norte Sanchinarro- Centro Integral Oncologico Clara Campal
Madrid, 28050, Spain
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ICON Cancer Care Adelaide
Kurralta Park, South Australia, 5037, Australia
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IRCCS Istituto Oncologico Veneto (IOV)
Padova, Veneto, 35128, Italy
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IRST Istituto Scientifico Romagnolo Per Lo Studio E Cura Dei Tumori, Sede Meldola
Meldola, Emilia-Romagna, 47014, Italy
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Institut Catala d Oncologia Hospital Duran i Reynals
Barcelona, 08908, Spain
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Irccs Ospedale San Raffaele
Milan, Lombardy, 20132, Italy
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Istituto Nazionale Tumori Irccs Fondazione G. Pascale
Naples, Campania, 80131, Italy
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Izmir Medical Point Hospital
Izmir, 35101, Turkey (Türkiye)
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Krankenhaus Martha-Maria Halle-Dölau, Klinik für Urologie
Halle, 06120, Germany
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Lyell McEwin Hospital
Adelaide, South Australia, 5112, Australia
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MD Anderson Cancer Center
Houston, Texas, 77030, United States
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Macquarie University Hospital
Macquarie Park, New South Wales, 2113, Australia
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Martini-Klinik am UKE GmbH
Hamburg, 20246, Germany
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Policlinico Universitario "Agostino Gemelli"
Rome, Lazio, 00168, Italy
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Pratia Poznan
Późna, 60-192, Poland
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Royal Marsden Hospital (Sutton)
Sutton, SM2 5PT, United Kingdom
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Royal Preston Hosptial
Preston, PR2 9HT, United Kingdom
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Ruijin Hospital, Shanghai Jiaotong University School of Medicine
Shanghai, 200025, China
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Samsung Medical Center
Seoul, 06351, South Korea
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Seoul National University Bundang Hospital
Gyeonggi-do, South Korea
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Seoul National University Hospital
Seoul, 03080, South Korea
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Severance Hospital, Yonsei University
Seoul, 03722, South Korea
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Sun yat-sen University Cancer Center
Guangzhou, 510060, China
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Szpital Grochowski im. dr med. Rafa?a Masztaka Sp. z o.o.
Warsaw, 04-073, Poland
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Szpital Uniwersytecki w Krakowie
Krakow, 31-501, Poland
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Szpital Wojewódzki im. Miko?aja Kopernika
Koszalin, 75-581, Poland
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Theageneio Hospital
Thessaloniki, 54007, Greece
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Trakya Universitesi Tip Fakultesi, Medikal Onkoloji Bilim Dali, Balkan Yerleskesi
Edirne, 22030, Turkey (Türkiye)
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Vall d'Hebron Institute of Oncology (VHIO), Barcelona
Barcelona, 08035, Spain
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West China Hospital - Sichuan University
Chengdu, 610047, China
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