Study of Zanzalintinib (XL092) + Pembrolizumab vs Pembrolizumab in Subjects With PD-L1 Positive Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma
NCT ID: NCT06082167
Last Updated: 2025-08-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
PHASE2/PHASE3
600 participants
INTERVENTIONAL
2024-06-07
2029-03-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
QUADRUPLE
Study Groups
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Zanzalintinib + Pembrolizumab
Subjects with R/M HNSCC will receive zanzalintinib + pembrolizumab
Zanzalintinib
Specified doses on specified days
Pembrolizumab
Specified doses on specified days
Zanzalintinib-Matched Placebo + Pembrolizumab
Subjects with R/M HNSCC will receive zanzalintinib-matched placebo + pembrolizumab
Zanzalintinib-matched Placebo
Specified doses on specified days
Pembrolizumab
Specified doses on specified days
Interventions
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Zanzalintinib
Specified doses on specified days
Zanzalintinib-matched Placebo
Specified doses on specified days
Pembrolizumab
Specified doses on specified days
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Should not have had prior systemic therapy administered in the recurrent or metastatic setting. Systemic therapy which was completed more than 6 months prior to randomization if given as part of multimodal treatment for locally advanced disease is allowed.
* The eligible primary tumor locations are the oropharynx, oral cavity, hypopharynx, and larynx.
* PD-L1 expression level Combined Positive Score (CPS) ≥ 1.
* Participants with oropharyngeal cancer must have human papillomavirus (HPV) status from tumor tissue.
* Measurable disease according to RECIST 1.1 as determined by the Investigator.
* Tumor samples (archival or fresh tumor biopsy) are required. If archival tissue is unavailable, must provide fresh tumor tissue biopsy prior to randomization.
* Recovery to baseline or ≤ Grade 1 severity (CTCAE v5) from adverse events (AEs) related to any prior treatments, unless AE(s) are clinically nonsignificant and/or stable on supportive therapy.
* Age 18 years (or the legal age of consent in your country, if higher than 18) or older on the day of consent.
* Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
* Adequate organ and marrow function.
Exclusion Criteria
* Has disease that is suitable for local therapy administered with curative intent.
* Has received prior therapy with zanzalintinib, any anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (for example, cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), OX-40, CD137).
* Life expectancy \< 3 months.
* Had progressive disease within 6 months of completion of curatively intended systemic treatment for locoregionally advanced HNSCC.
* Radiation therapy for bone metastases within 2 weeks, any other radiation therapy within 4 weeks prior to randomization.
* Known brain metastases or cranial epidural disease unless adequately treated with radiotherapy and/or surgery (including radiosurgery) and stable for at least 4 weeks prior to randomization.
* Positive hepatitis B surface antigen (HBsAg) test.
* Positive hepatitis C virus (HCV) antibody test.
* Major surgery (eg, GI surgery, removal or biopsy of brain metastasis) within 8 weeks prior to randomization. Complete wound healing from major or minor surgery must have occurred at least prior to randomization.
* Corrected QT interval calculated by the Fridericia formula (QTcF) \> 480 ms per electrocardiogram (ECG) within 28 days before randomization.
* Pregnant or lactating females.
* Administration of a live, attenuated vaccine within 30 days before randomization.
18 Years
ALL
No
Sponsors
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Merck Sharp & Dohme LLC
INDUSTRY
Exelixis
INDUSTRY
Responsible Party
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Locations
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Exelixis Clinical Site #2
Fullerton, California, United States
Exelixis Clinical Site #1
Orange City, Florida, United States
Exelixis Clinical Site #163
Tampa, Florida, United States
Exelixis Clinical Site #123
Athens, Georgia, United States
Exelixis Clinical Site #82
Atlanta, Georgia, United States
Exelixis Clinical Site #19
Chicago, Illinois, United States
Exelixis Clinical Site #62
Des Moines, Iowa, United States
Exelixis Clinical Site #100
Iowa City, Iowa, United States
Exelixis Clinical Site #4
St Louis, Missouri, United States
Exelixis Clinical Site #148
Lebanon, New Hampshire, United States
Exelixis Clinical Site #158
Camden, New Jersey, United States
Exelixis Clinical Site #3
Shirley, New York, United States
Exelixis Clinical Site #95
Durham, North Carolina, United States
Exelixis Clinical Site #117
Wilson, North Carolina, United States
Exelixis Clinical Site #43
Roanoke, Virginia, United States
Exelixis Clinical Site #73
Rosario, Santa Fe Province, Argentina
Exelixis Clinical Site #91
Buenos Aires, , Argentina
Exelixis Clinical Site # 47
Ciudad Autonoma de Buenos Aire, , Argentina
Exelixis Clinical Site #53
Ciudad Autonoma de Buenos Aire, , Argentina
Exelixis Clinical Site #93
Córdoba, , Argentina
Exelixis Clinical Site #64
Córdoba, , Argentina
Exelixis Clinical Site #157
Pergamino, , Argentina
Exelixis Clinical Site #92
Santa Fe, , Argentina
Exelixis Clinical Site #57
Port Macquarie, New South Wales, Australia
Exelixis Clinical Site # 46
Adelaide, , Australia
Exelixis Clinical Site #154
Bedford Park, , Australia
Exelixis Clinical Site #137
Camperdown, , Australia
Exelixis Clinical Site #39
Murdoch, , Australia
Exelixis Clinical Site #156
Linz, , Austria
Exelixis Clinical Site #42
Salzburg, , Austria
Exelixis Clinical Site #166
Vienna, , Austria
Exelixis Clinical Site #22
Brussels, , Belgium
Exelixis Clinical Site #106
Charleroi, , Belgium
Exelixis Clinical Site #14
Libramont, , Belgium
Exelixis Clinical Site #37
Sint-Niklaas, , Belgium
Exelixis Clinical Site #68
Passo Fundo, Rio Grande do Sul, Brazil
Exelixis Clinical Site #90
Porto Alegre, Rio Grande do Sul, Brazil
Exelixis Clinical Site #110
Jaú, São Paulo, Brazil
Exelixis Clinical Site #65
Santo André, São Paulo, Brazil
Exelixis Clinical Site #83
São José do Rio Preto, São Paulo, Brazil
Exelixis Clinical Site #116
Barretos, , Brazil
Exelixis Clinical Site #75
Curitiba, , Brazil
Exelixis Clinical Site #101
Curitiba, , Brazil
Exelixis Clinical Site #97
Porto Alegre, , Brazil
Exelixis Clinical Site #102
Recife, , Brazil
Exelixis Clinical Site #87
Rio de Janeiro, , Brazil
Exelixis Clinical Site #76
São Paulo, , Brazil
Exelixis Clinical Site #77
São Paulo, , Brazil
Exelixis Clinical Site #67
São Paulo, , Brazil
Exelixis Clinical Site #98
São Paulo, , Brazil
Exelixis Clinical Site #88
São Paulo, , Brazil
Exelixis Clinical Site #25
Plovdiv, , Bulgaria
Exelixis Clinical Site #94
Rousse, , Bulgaria
Exelixis Clinical Site #15
Sofia, , Bulgaria
Exelixis Clinical Site #11
Sofia, , Bulgaria
Exelixis Clinical Site #54
Sofia, , Bulgaria
Exelixis Clinical Site #33
Santiago, , Chile
Exelixis Clinical Site #52
Santiago, , Chile
Exelixis Clinical Site #38
Santiago, , Chile
Exelixis Clinical Site #109
Santiago, , Chile
Exelixis Clinical Site #50
Talca, , Chile
Exelixis Clinical Site #51
Valdivia, , Chile
Exelixis Clinical Site #40
Viña del Mar, , Chile
Exelixis Clinical Site #96
Barranquilla, , Colombia
Exelixis Clinical Site #152
Bogotá, , Colombia
Exelixis Clinical Site #103
Floridablanca, , Colombia
Exelixis Clinical Site #146
Pasto, , Colombia
Exelixis Clinical Site #149
Pereira, , Colombia
Exelixis Clinical Site #49
Nový Jičín, , Czechia
Exelixis Clinical Site #58
Olomouc, , Czechia
Exelixis Clinical Site #151
Prague, , Czechia
Exelixis Clinical Site #34
Prague, , Czechia
Exelixis Clinical Site #48
Prague, , Czechia
Exelixis Clinical Site #36
Prague, , Czechia
Exelixis Clinical Site #28
Marseille, Bouches-du-Rhône, France
Exelixis Clinical Site #16
Bordeaux, Gironde, France
Exelixis Clinical Site #44
Rennes, Ille Et Vilaine, France
Exelixis Clinical Site #108
Saint Priest En Jarez, Pays de la Loire Region, France
Exelixis Clinical Site #70
Lyon, Rhone, France
Exelixis Clinical Site #107
Le Mans, Sarthe, France
Exelixis Clinical Site #66
Villejuif, Val De Marne, France
Exelixis Clinical Site #144
Dijon, , France
Exelixis Clinical Site #141
Grenoble, , France
Exelixis Clinical Site #140
Lille, , France
Exelixis Clinical Site #26
Paris, , France
Exelixis Clinical Site #112
Pierre-Bénite, , France
Exelixis Clinical Site #105
Poitiers, , France
Exelixis Clinical Site #167
Giessen, , Germany
Exelixis Clinical Site #155
Athens, , Greece
Exelixis Clinical Site #129
Athens, , Greece
Exelixis Clinical Site #159
Larissa, , Greece
Exelixis Clinical Site #120
Thessaloniki, , Greece
Exelixis Clinical Site #150
Thessaloniki, , Greece
Exelixis Clinical Site #128
Thessaloniki, , Greece
Exelixis Clinical Site #125
Budapest, , Hungary
Exelixis Clinical Site #99
Kecskemét, , Hungary
Exelixis Clinical Site #131
Salgótarján, , Hungary
Exelixis Clinical Site #147
Szekszárd, , Hungary
Exelixis Clinical Site #132
Haifa, , Israel
Exelixis Clinical Site #85
Haifa, , Israel
Exelixis Clinical Site #74
Jerusalem, , Israel
Exelixis Clinical Site #122
Ramat Gan, , Israel
Exelixis Clinical Site #86
Tel Aviv, , Israel
Exelixis Clinical Site #21
Candiolo, Torino, Italy
Exelixis Clinical Site #35
Brescia, , Italy
Exelixis Clinical Site #45
Catania, , Italy
Exelixis Clinical Site #81
Milan, , Italy
Exelixis Clinical Site #55
Milan, , Italy
Exelixis Clinical Site #18
Napoli, , Italy
Exelixis Clinical Site #78
Rome, , Italy
Exelixis Clinical Site #124
Rozzano, , Italy
Exelixis Clinical Site #10
Verona, , Italy
Exelixis Clinical Site #61
Putrajaya, Kuala Lumpur, Malaysia
Exelixis Clinical Site #60
Kuala Lumpur, , Malaysia
Exelixis Clinical Site #72
Kuala Lumpur, , Malaysia
Exelixis Clinical Site #114
Guadalajara, Jalisco, Mexico
Exelixis Clinical Site #119
San Juan del Río, Querétaro, Mexico
Exelixis Clinical Site #168
Guadalajara, , Mexico
Exelixis Clinical Site #89
Piotrków, Trybunalski, Poland
Exelixis Clinical Site #139
Gliwice, , Poland
Exelixis Clinical Site #162
Torun, , Poland
Exelixis Clinical Site #160
Bucharest, , Romania
Exelixis Clinical Site #24
Cluj-Napoca, , Romania
Exelixis Clinical Site #20
Craiova, , Romania
Exelixis Clinical Site #104
Floreşti, , Romania
Exelixis Clinical Site #127
Ploieşti, , Romania
Exelixis Clinical Site #143
Timișoara, , Romania
Exelixis Clinical Site #23
Košice, , Slovakia
Exelixis Clinical Site #27
Trnava, , Slovakia
Exelixis Clinical Site #121
Žilina, , Slovakia
Exelixis Clinical Site #7
Busan, Gangwon-do, South Korea
Exelixis Clinical Site #30
Suwon, Gyeonggi-do, South Korea
Exelixis Clinical Site #17
Suwon, Gyeonggi-do, South Korea
Exelixis Clinical Site #9
Yangsan, Gyeongsangnam-do, South Korea
Exelixis Clinical Site #69
Jeonju, Jeollabuk-do, South Korea
Exelixis Clinical Site #8
Jeonju, Jeollabuk-do, South Korea
Exelixis Clinical Site #13
Busan, , South Korea
Exelixis Clinical Site #5
Seoul, , South Korea
Exelixis Clinical Site #63
Seoul, , South Korea
Exelixis Clinical Site #12
Seoul, , South Korea
Exelixis Clinical Site #6
Seoul, , South Korea
Exelixis Clinical Site #29
Seoul, , South Korea
Exelixis Clinical Site #130
A Coruña, , Spain
Exelixis Clinical Site #115
Barcelona, , Spain
Exelixis Clinical Site #113
Girona, , Spain
Exelixis Clinical Site #134
Madrid, , Spain
Exelixis Clinical Site #111
Madrid, , Spain
Exelixis Clinical Site #32
Madrid, , Spain
Exelixis Clinical Site #59
Madrid, , Spain
Exelixis Clinical Site #31
Madrid, , Spain
Exelixis Clinical Site #136
Pamplona, , Spain
Exelixis Clinical Site #126
Seville, , Spain
Exelixis Clinical Site #153
Valencia, , Spain
Exelixis Clinical Site #41
Zaragoza, , Spain
Exelixis Clinical Site #145
Kaohsiung City, , Taiwan
Exelixis Clinical Site #164
Taichung, , Taiwan
Exelixis Clinical Site #118
Taipei, , Taiwan
Exelixis Clinical Site #142
Taipei, , Taiwan
Exelixis Clinical Site #165
Taoyuan District, , Taiwan
Exelixis Clinical Site #71
Bangkoknoi, Bangkok, Thailand
Exelixis Clinical Site #79
Hat Yai, Changwat Songkhla, Thailand
Exelixis Clinical Site #56
Chiang Mai, Chiang Mai, Thailand
Exelixis Clinical Site #80
Bangkok, , Thailand
Exelixis Clinical Site #135
London, England, United Kingdom
Exelixis Clinical Site #84
Romford, Essex, United Kingdom
Exelixis Clinical Site #138
Manchester, , United Kingdom
Exelixis Clinical Site #133
Sutton, , United Kingdom
Exelixis Clinical Site #161
Torquay, , United Kingdom
Countries
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References
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Saba NF, Harrington K, Licitra L, Machiels JP, He C, Jew T, Andrianov V, Haddad R. STELLAR-305: phase II/III study of zanzalintinib plus pembrolizumab versus pembrolizumab alone in patients with HNSCC. Future Oncol. 2025 May;21(11):1349-1356. doi: 10.1080/14796694.2025.2485015. Epub 2025 Apr 18.
Other Identifiers
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EU CTR: 2023-506308-24-00
Identifier Type: OTHER
Identifier Source: secondary_id
KEYNOTE-G06
Identifier Type: OTHER
Identifier Source: secondary_id
MK-3475-G06
Identifier Type: OTHER
Identifier Source: secondary_id
XL092-305; KEYNOTE-G06
Identifier Type: -
Identifier Source: org_study_id
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