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Pembrolizumab

Phase 1

Head and Neck Cancer | Small molecule | Oncology |Lantheus Holdings, Inc.|Last Updated: Mar 30, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment6
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07501650Pembrolizumab Plus Ultrasound-Induced Microbubble Cavitation in Head and Neck CancerPHASE1 RECRUITING 6Mar 18, 2026Mar 1, 2028Mar 30, 20261 United States
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Study Endpoints
Primary Endpoints
Number of Participants who complete all planned treatment cycles
Up to 9 weeks

The number of participants who completed trial procedures among at least 80 percent of patients, among patients with recurrent or metastatic head and neck squamous cell carcinoma.

Secondary Endpoints
Number of Treatment-Related Adverse Events (TRAEs)
Up to 6 months post-treatment
Objective Response Rate using RECIST v1.1
Up to 3 months after last treatment
Overall Survival
90 days after last dose
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm 1: Pembro + Ultrasound-Induced Microbubble CavitationEXPERIMENTALTreatment will be administered on an outpatient basis. 200 mg Pembrolizumab + 3 mL Definity infusions will be administered by nurses at Thomas Jefferson University every 3 weeks for up to 3 cycles. The first cycle will take 60 minutes, while the subsequent infusions should take half an hour to complete.
Interventions
NameTypeDescription
PembrolizumabDRUGPembrolizumab will be administered intravenously at a dose of 200 mg every 3 weeks for up to 3 cycles
DefinityDRUGDefinity will be administered intravenously during each treatment cycle to facilitate ultrasound-induced microbubble cavitation.
Ultrasound-Induced Microbubble CavitationDEVICETherapeutic Ultrasound will be applied to the tumor site during and following the Definity infusion to induce microbubble cavitation using modified ultrasound parameters.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Individuals must meet all of the following inclusion criteria in order to be eligible to participate in the study: 1. Pathologically confirmed, HPV-negative, R/M HNSCC per American Joint Committee on Cancer (AJCC) 8th Edition Staging Criteria, with CPS score \> 1 2. The t...

Countries:United States
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Competitive Landscape -Head and Neck Cancer 156 trials
CompanyTickerTrialsLead PhaseDrugs
AstraZeneca PLCAZN9PHASE3Monalizumab, Cetuximab, volrustomig, Volrustomig, Cisplatin
GSK plc Sponsored ADRGSK3PHASE3Dostarlimab, Belrestotug, Nelistotug, Remzistotug, Niraparib
Merck & Co., Inc.MRK3PHASE3Pembrolizumab, Cisplatin /m^2, pembrolizumab, Cisplatin, Docetaxel
Johnson & JohnsonJNJ4PHASE3JNJ-90301900, Cetuximab, Amivantamab, Pembrolizumab, Carboplatin
Pfizer Inc.PFE6PHASE2tisotumab vedotin, pembrolizumab, carboplatin, cisplatin, Palbociclib
Regeneron Pharmaceuticals, Inc.REGN4PHASE2cemiplimab, Platinum Doublet, fianlimab, fianlimab+cemiplimab, Cemiplimab
PDS Biotechnology Corp.PDSB1PHASE3Combination Treatment of PDS0101 and Pembrolizumab, Pembrolizumab Monotherapy
Exelixis, Inc.EXEL4PHASE2Zanzalintinib, Pembrolizumab, cabozantinib, atezolizumab, Nivolumab
Merus B.V.MRUS4PHASE3Petosemtamab, Pembrolizumab, MCLA-129, Osimertinib, Chemotherapy
Bristol-Myers Squibb CompanyBMY3PHASE2Nivolumab, Relatlimab, Ipilimumab, Intratumoral Ipilimumab, BMS-986340
Bicara Therapeutics Inc.BCAX3PHASE2Ficerafusp alfa, Nivolumab, Pembrolizumab, BCA101
Gilead Sciences, Inc.GILD2PHASE2Domvanalimab, Zimberelimab, Paclitaxel, Carboplatin
Inhibrx Biosciences, Inc.INBX2PHASE2INBRX-106, Pembrolizumab, INBRX-106 - Hexavalent OX40 agonist antibody, pembrolizumab, Carboplatin AUC-5
Incyte CorporationINCY1PHASE2Retifanlimab, INCAGN02385, INCAGN02390
BioNTech SE Sponsored ADRBNTX1PHASE2BNT113, Pembrolizumab
Coherus Oncology, Inc.CHRS4PHASE2Toripalimab, Carboplatin, Cisplatin, Paclitaxel, Docetaxel
ALX Oncology Holdings, Inc.ALXO3PHASE2evorpacept, pembrolizumab, Cisplatin/Carboplatin; 5FU, ALX2004
ImmunityBio IncIBRX2PHASE2N-803 + Pembrolizumab, PD-L1 t-haNK, Cetuximab, NAI
Summit Therapeutics IncSMMT2PHASE3Ivonescimab /kg, Ligufalimab, Pembrolizumab, Ivonescimab
IO Biotech, Inc.IOBT1PHASE2IO102-IO103, Pembrolizumab KEYTRUDA
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT07501650studyFirstPostDate: changed