Recent Updates
Recently added Catalysts

XB010

Phase 1

Locally Advanced or Metastatic Solid Tumors | Small molecule | Oncology |Exelixis, Inc.|Last Updated: Apr 15, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment396
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06545331Study of XB010 in Subjects With Solid TumorsPHASE1 RECRUITING 396Aug 6, 2024Oct 20, 2027Apr 15, 202619 United States, United Kingdom
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Dose-Escalation Stage: Maximum tolerated dose (MTD) and/or Recommended dose(s) for Expansion [RDE(s)] for XB010
18 months

To determine the MTD and/or RDE(s) for further evaluation of IV administration of XB010 alone and in combination therapy.

Dose-Escalation Stage: Safety of XB010
18 months

To evaluate the safety of XB010 alone and in combination therapy through the evaluation of incidence and severity of nonserious adverse events (AEs) and serious adverse events (SAEs)

Dose-Escalation Stage: Duration of exposure of XB010 [Tolerability]
18 months

To evaluate the tolerability of XB010 alone and in combination therapy through the evaluation of the duration of exposure of each component

Dose-Escalation Stage: Dose intensity of XB010 [Tolerability]
18 months

To evaluate the tolerability of XB010 alone and in combination therapy through the evaluation of the dose intensity of each component

Cohort-Expansion Stage: Preliminary antitumor activity of XB010
24 months

Objective Response Rate (ORR) as assessed by the Investigator per RECIST 1.1

Secondary Endpoints
Dose-Escalation Stage: Maximum Plasma Concentration (Cmax) of XB010
18 Months
Dose-Escalation Stage: Time to Maximum Plasma Concentration (Tmax) of XB010
18 Months
Dose-Escalation Stage: Clearance of XB010
18 Months
Unlock Study Endpoints
Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
XB010 Single-Agent Dose Escalation CohortsEXPERIMENTALXB010 will be administered at escalating dose levels every 3 weeks in cohorts of 3-12 subjects
XB010 + Pembrolizumab Dose Escalation CohortsEXPERIMENTALXB010+Pembrolizumab will be administered at escalating dose levels every 3 weeks in cohorts of 3-12 subjects
XB010 Single-Agent Dose Expansion CohortsEXPERIMENTALXB010 will be administered at the recommended dose for expansion (RDE) every 3 weeks in the following tumor-specific cohorts: non-small cell lung cancer (NSCLC), hormone-receptor-positive breast cancer (HR+BC), head and neck squamous cell cancer (HNSCC), esophageal squamous cell cancer (ESCC), endometrial cancer (EC) and triple-negative breast cancer (TNBC)
Interventions
NameTypeDescription
XB010DRUGIV administration of XB010
PembrolizumabDRUGIV administration of Pembrolizumab
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites19

* Age 18 years or older on the day of consent. * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-1. * Adequate organ and marrow function. * Cytologically or histologically and radiologically confirmed solid tumor that is inoperable, locally advanced, metastatic, or recurrent. * ...

Countries:United StatesUnited Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06545331primaryCompletionDate: changed
LOWMay 24, 2026NCT06545331studyFirstPostDate: changed