Actively Recruiting

Phase 3
Age: 18Years - 65Years
All Genders
NCT05877963

Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab

Led by TG Therapeutics, Inc. · Updated on 2026-05-12

800

Participants Needed

46

Research Sites

233 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The primary purpose of this phase 3b study is to assess the efficacy of a modified regimen of ublituximab in participants with relapsing multiple sclerosis (RMS) as measured by T1 Gadolinium (Gd)-enhancing lesions in Part A; PK in Part B along with efficacy of ublituximab as measured by T1 Gd-enhancing lesions in participants who had a suboptimal experience on prior anti-CD20 therapy in Part C. The study consists of 3 parts: Part A is single-armed and open-label, Part B is randomized, double-blind, placebo-controlled, and Part C is single-armed and open-label.

CONDITIONS

Official Title

Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab

Who Can Participate

Age: 18Years - 65Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Diagnosis of relapsing multiple sclerosis according to the 2017 Revised McDonald criteria
  • Participants must be either treatment-naive or previously treated with a disease modifying therapy and meet washout requirements
  • Expanded Disability Status Scale (EDSS) score of 5.5 or less at screening
  • Neurologically stable for more than 30 days before first ublituximab dose
  • Female participants of childbearing potential must agree to use contraception during the study and for 6 months after the last dose
  • For Part C: currently treated with an anti-CD20 agent for at least 6 months and meet washout requirements before study start
  • For Part C: discontinuation of current anti-CD20 therapy due to suboptimal experience
Not Eligible

You will not qualify if you...

  • History of any serious infusion-related reaction on prior anti-CD20 therapy
  • Diagnosis of primary-progressive multiple sclerosis or inactive secondary progressive MS
  • Active chronic or treated immune system diseases other than MS, or immunodeficiency syndromes
  • Current or history of significant infections requiring long-term systemic treatment
  • Previous serious opportunistic or atypical infections
  • Evidence or history of hepatitis B or chronic hepatitis C infection unless PCR negative for HCV RNA
  • History or evidence of progressive multifocal leukoencephalopathy (PML)
  • Receipt of live or live-attenuated vaccines within 4 weeks before first study drug dose
  • Need for intravenous immune globulin treatment for low immunoglobulins within 12 months before study start
  • Any active malignancies except adequately treated basal, squamous cell, or in situ carcinoma
  • Prior treatment with ublituximab, alemtuzumab, cyclophosphamide, mitoxantrone, cladribine, or daclizumab

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 46 locations

1

TG Therapeutics Investigational Trial Site

Birmingham, Alabama, United States, 35209

Actively Recruiting

2

TG Therapeutics Investigational Trial Site

Cullman, Alabama, United States, 35058

Actively Recruiting

3

TG Therapeutics Investigational Trial Site

Orange, California, United States, 92697

Actively Recruiting

4

TG Investigational Site

Fort Collins, Colorado, United States, 80528

Actively Recruiting

5

TG Therapeutics Investigational Trial Site

Washington D.C., District of Columbia, United States, 20007

Actively Recruiting

6

TG Therapeutics Investigational Trial Site

Tampa, Florida, United States, 33612

Actively Recruiting

7

TG Therapeutics Investigational Trial Site

Chicago, Illinois, United States, 60612

Actively Recruiting

8

TG Therapeutics Investigational Trial Site

Indianapolis, Indiana, United States, 46256

Actively Recruiting

9

TG Therapeutics Investigational Trial Site

Iowa City, Iowa, United States, 52242

Actively Recruiting

10

TG Therapeutics Investigational Trial Site

Overland Park, Kansas, United States, 66212

Actively Recruiting

11

TG Therapeutics Investigational Trial Site

Lutherville, Maryland, United States, 21093

Actively Recruiting

12

TG Therapeutics Investigational Trial Site

Boston, Massachusetts, United States, 00002

Actively Recruiting

13

TG Therapeutics Investigational Trial Site

Foxborough, Massachusetts, United States, 02035

Actively Recruiting

14

TG Therapeutics Investigational Trial Site

North Worcester, Massachusetts, United States, 01655

Actively Recruiting

15

TG Therapeutics Investigational Trial Site

Wellesley, Massachusetts, United States, 02481uni

Actively Recruiting

16

TG Investigational Site

Farmington, Michigan, United States, 48334

Actively Recruiting

17

TG Therapeutics Investigational Trial Site

Golden Valley, Minnesota, United States, 55422

Actively Recruiting

18

TG Therapeutics Investigational Trial Site

Plymouth, Minnesota, United States, 55446

Actively Recruiting

19

TG Therapeutics Investigational Trial Site

St Louis, Missouri, United States, 63131

Actively Recruiting

20

TG Therapeutics Investigational Trial Site

New York, New York, United States, 10025

Actively Recruiting

21

TG Therapeutics Investigational Trial Site

New York, New York, United States, 11021

Actively Recruiting

22

TG Therapeutics Investigational Trial SiteCharlotte

Charlotte, North Carolina, United States, 28204

Actively Recruiting

23

TG Therapeutics Investigational Trial Site

Raleigh, North Carolina, United States, 27607

Actively Recruiting

24

TG Therapeutics Investigational Trial Site

Cleveland, Ohio, United States, 44195

Actively Recruiting

25

TG Therapeutics Investigational Trial Site

Dayton, Ohio, United States, 45417

Actively Recruiting

26

TG Therapeutics Investigational Trial Site

Oklahoma City, Oklahoma, United States, 73104

Actively Recruiting

27

TG Therapeutics Investigational Trial Site

Greenville, South Carolina, United States, 29605

Actively Recruiting

28

TG Therapeutics Investigational Trial Site

Knoxville, Tennessee, United States, 37922

Actively Recruiting

29

TG Therapeutics Investigational Trial Site

Houston, Texas, United States, 77030

Active, Not Recruiting

30

TG Therapeutics Investigational Trial Site

Salt Lake City, Utah, United States, 84103

Actively Recruiting

31

TG Therapeutics Investigational Trial Site

Vienna, Virginia, United States, 22182

Actively Recruiting

32

TG Therapeutics Investigational Trial Site

Kirkland, Washington, United States, 98034

Actively Recruiting

33

TG Therapeutics Investigational Trial Site

Seattle, Washington, United States, 98109

Actively Recruiting

34

TG Therapeutics Investigational Trial Site

Spokane, Washington, United States, 99208

Actively Recruiting

35

TG Therapeutics Investigational Trial Site

Milwaukee, Wisconsin, United States, 53226

Actively Recruiting

36

TG Therapeutics Investigational Trial Site

Bydgoszcz, Poland

Actively Recruiting

37

TG Therapeutics Investigational Trial Site

Katowice, Poland, 40-555

Actively Recruiting

38

TG Therapeutics Investigational Trial Site

Katowice, Poland

Actively Recruiting

39

TG Therapeutics Investigational Trial Site

Kielce, Poland

Actively Recruiting

40

TG Therapeutics Investigational Trial Site

Krakow, Poland, 31-826

Actively Recruiting

41

TG Therapeutics Investigational Trial Site

Lodz, Poland

Actively Recruiting

42

TG Therapeutics Investigational Trial Site

Olsztyn, Poland, 10-561

Actively Recruiting

43

TG Therapeutics Investigational Trial Site

Poznan, Poland

Actively Recruiting

44

TG Therapeutics Investigational Trial Site

Warsaw, Poland, 04-141

Actively Recruiting

45

TG Therapeutics Investigational Trial Site

Zabrze, Poland

Actively Recruiting

46

TG Therapeutics Investigational Trial Site

Żory, Poland, 44-240

Actively Recruiting

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Research Team

T

TG Therapeutics Clinical Support Team

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

4

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Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab | DecenTrialz