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Acalabrutinib

Phase 2

Chronic Lymphocytic Leukemia | Small molecule | Oncology |TG Therapeutics, Inc.|Last Updated: Feb 25, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment29
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04624633Acalabrutinib, Umbralisib, and Ublituximab (AU2) In Relapsed and Untreated CLLPHASE2 ACTIVE NOT_RECRUITING 29Dec 15, 2020Jan 1, 2028Feb 25, 20261 United States
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Study Endpoints
Primary Endpoints
Complete Remission (CR) Rate After 24 Cycles
According to this endpoint is after 24 cycles. Overall median number of cycles is 24 with range 1-25.

The CR Rate is defined as the proportion of participants achieving complete remission (CR) based on 2018 IW-CLL criteria.

Secondary Endpoints
Partial Remission (PR) Rate After 24 Cycles
According to this endpoint is after 24 cycles. Overall median number of cycles is 24 with range 1-25.
Median Progression-Free Survival (PFS)
Disease will be evaluated through imaging at cycle 1 day 1, 8, and 15, cycle 2-6 and cycle 8-25 day 1, and cycle 7 day 1, 2 and 8. Observation on treatment up to approximately 25 cycles. In long-term follow-up, survival follow-up up to 5 years.
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1-Relapsed DiseaseEXPERIMENTALParticipants with relapsed disease * Treatment with Acalabrutinib \& Umbralisib beginning C1D1, * Ublituximab beginning C7D1 * Assessment of treatment response * Treatment continues for a maximum of 24 cycles. Participants followed post treatment for a maximum of 5 years
Cohort 2-Treatment NaiveEXPERIMENTALParticipants with previously untreated disease * Treatment with Acalabrutinib \& Umbralisib beginning C1D1, * Ublituximab beginning C7D1 * Assessment of treatment response * Treatment continues for a maximum of 24 cycles. Participants followed post treatment for a maximum of 5 years
Interventions
NameTypeDescription
AcalabrutinibDRUGOral, twice a day, predetermined dosage
UmbralisibDRUGOral, once a day, predetermined dosage, each 28 day cycle up to 24 cycles
UblituximabDRUG28 day cycle, starting cycle 7 via iv, on at predetermined dosage and timepoints in each cycle
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Confirmed diagnosis of chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) per International Workshop on CLL (iwCLL) 2018 criteria.1 * Participants must have an indication for treatment as defined by iwCLL 2018 criteria.1 * Participants must have measurable ...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04624633primaryCompletionDate: changed
LOWMay 24, 2026NCT04624633studyFirstPostDate: changed