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Ublituximab

Phase 3

Relapsing Multiple Sclerosis (RMS) | Monoclonal antibody | Immunology |TG Therapeutics, Inc.|Last Updated: May 29, 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
RandomizedDouble-BlindACTIVE_CONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment2,194
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04130997An Extension Study of Ublituximab in Participants With Relapsing Multiple SclerosisPHASE3 ACTIVE NOT_RECRUITING 1,100Nov 18, 2019May 31, 2032May 29, 202686 United States, Belarus +6
NCT03277261Study to Assess the Efficacy and Safety of Ublituximab in Participants With Relapsing Forms of Multiple Sclerosis (RMS) ( ULTIMATE 1 )PHASE3 COMPLETED 549Sep 19, 2017Nov 6, 2020Dec 6, 202114 United States
NCT03277248Study to Assess the Efficacy and Safety of Ublituximab in Participants With Relapsing Forms of Multiple Sclerosis (RMS)PHASE3 COMPLETED 545Aug 25, 2017Nov 12, 2020Dec 6, 202113 United States
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Study Endpoints
Primary Endpoints
Annualized Relapse Rate (ARR)
Up to Week 336

ARR is defined as the number of relapses per-participant year. The estimate of ARR will be the total number of relapses divided by the sum of duration on study treatment (years).

Secondary Endpoints
Total Number of Gadolinium (Gd)-Enhancing T1-Lesions Per Magnetic Resonance Imaging (MRI) Scan Per Participant
Weeks 12, 24, 48, and 96
Total Number of New and Enlarging T2 Hyperintense Lesions (NELs) Per MRI Scan Per Participant
Weeks 24, 48, and 96
Time to Confirmed Disability Progression (CDP) for at Least 12 Weeks
Up to Week 96
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Ublituximab InfusionsEXPERIMENTALRMS301/RMS302: All participants transferring from RMS301/RMS302 who sign consent for this study will receive an initial 4-hour infusion of 150 mg ublituximab on Week 1 (Day 1) followed by a 1-hour infusion of 450 mg ublituximab 14 days later Week 3 (Day 15). Subsequent infusions of ublituximab will be administered at 450 mg for 1-hour every 24 weeks from Weeks 24 to 312. RMS201E: All participants transferring from RMS201E who sign consent for this study will receive a 1-hour infusion of 450 mg ublituximab on Week 1 (Day 1) and subsequent infusions of ublituximab will be administered at 450 mg for 1-hour every 24 weeks from Weeks 24 to 312. For all participants (RMS301/RMS302/RMS201E), infusion treatment will continue for 312 weeks, or until physician or participant decision to withdraw from the study.
Ublituximab + Oral PlaceboEXPERIMENTALParticipants were administered ublituximab 150 milligrams (mg), intravenous (IV) infusion over 4 hours (h) on Day 1 followed by 450 mg over 1 h on Days 15, 168, 336 and 504 (Week 72) along with the oral placebo once daily (QD) from Day 1 up to the last day of Week 95.
Teriflunomide + IV PlaceboACTIVE_COMPARATORParticipants were administered teriflunomide 14 mg tablet, orally, QD from Day 1 up to the last day of Week 95 along with the placebo IV infusion on Days 1, 15, 168, 336 and 504 (Week 72).
Interventions
NameTypeDescription
UblituximabBIOLOGICALUblituximab (TG-1101) is a recombinant chimeric monoclonal antibody targeting CD20, available as a 25 mg/mL concentrate for intravenous use, supplied by TG Therapeutics, Inc.
TeriflunomideDRUGFilm-coated tablets administered orally.
Oral PlaceboDRUGAdministered orally.
IV PlaceboDRUGAdministered as an IV infusion.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites86

Inclusion Criteria: Participants must meet the following criteria: 1. Complete the 96-week double-blind TG1101-RMS301 (NCT03277261) or TG1101-RMS302 (NCT03277248) study or complete the final Week 208 visit of the TG1101-RMS201E (NCT03381170) study 2. Investigator believes may benefit from treatmen...

Countries:United StatesBelarusCroatiaGeorgiaPolandRussiaSerbiaUkraine
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Recent Changes (Last 90 Days)
LOWMay 29, 2026NCT04130997lastUpdatePostDate: changed
LOWMay 29, 2026NCT04130997lastUpdatePostDate: changed
LOWMay 29, 2026NCT04130997lastUpdatePostDate: changed
LOWMay 26, 2026NCT04130997primaryCompletionDate: changed
LOWMay 24, 2026NCT04130997studyFirstPostDate: changed