Study to Assess the Efficacy and Safety of Ublituximab Plus Umbralisib in Combination With Venetoclax in Subjects With CLL (ULTRA-V)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03801525 |
Recruitment Status :
Recruiting
First Posted : January 11, 2019
Last Update Posted : February 3, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Chronic Lymphocytic Leukemia | Drug: Ublituximab Drug: Umbralisib Drug: Venetoclax | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 90 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | Phase 2 Study to Assess the Efficacy and Safety of Ublituximab in Combination With Umbralisib and Venetoclax (U2-V) in Subjects With Chronic Lymphocytic Leukemia (CLL) |
Actual Study Start Date : | May 16, 2019 |
Estimated Primary Completion Date : | January 1, 2025 |
Estimated Study Completion Date : | March 1, 2025 |

Arm | Intervention/treatment |
---|---|
Experimental: ublituximab + umbralisib + venetoclax
ublituximab: 900 mg; to be administered through cycle 6 only umbralisib: 800 mg; to be administered daily venetoclax: to begin at cycle 4 (dose ramp-up schedule) and continue through cycle 24 |
Drug: Ublituximab
Other Name: TG-1101 Drug: Umbralisib
Other Name: TGR-1202 Drug: Venetoclax
Other Name: Venclexta |
- Overall Response Rate [ Time Frame: Up to 12 months ]Objective response in subjects treated with ublituximab + umbralisib + venetoclax
- Adverse Events That Are Related to Treatment [ Time Frame: 6 months of therapy ]Number of Participants With Treatment-Related Adverse Event and any potential abnormal laboratory results

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Chronic Lymphocytic Leukemia (CLL) that warrants treatment
- Adequate organ system function as specified in the protocol
- Ability to follow protocol procedures.
Exclusion Criteria:
- Subjects receiving cancer therapy or any investigational drug within 21 days of Cycle 1, Day 1.
- Autologous hematologic stem cell transplant within 6 months of study entry. Prior. Allogeneic hematologic stem cell transplant is excluded.
- Active Hepatitis B or Hepatitis C.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03801525
Contact: TG Therapeutics Clinical Support Team | 212-554-4484 | clinicalsupport@tgtxinc.com |
United States, Alabama | |
TG Therapeutics Investigational Trial Site | Recruiting |
Birmingham, Alabama, United States, 35294 | |
TG Therapeutics Investigational Trial Site | Recruiting |
Huntsville, Alabama, United States, 35805 | |
United States, California | |
TG Therapeutics Investigational Trial Site | Recruiting |
Duarte, California, United States, 91010 | |
TG Therapeutics Investigational Trial Site | Recruiting |
La Jolla, California, United States, 92093 | |
United States, Colorado | |
TG Therapeutics Investigational Trial Site | Recruiting |
Aurora, Colorado, United States, 80012 | |
United States, Florida | |
TG Therapeutics Investigational Trial Site | Recruiting |
Jacksonville, Florida, United States, 32224 | |
TG Therapeutics Investigational Trial Site | Recruiting |
Tampa, Florida, United States, 33612 | |
United States, Georgia | |
TG Therapeutics Investigational Trial Site | Recruiting |
Atlanta, Georgia, United States, 30322 | |
United States, Illinois | |
TG Therapeutics Investigational Trial Site | Recruiting |
Niles, Illinois, United States, 60714 | |
TG Therapeutics Investigational Site | Recruiting |
Peoria, Illinois, United States, 61615 | |
United States, Kansas | |
TG Therapeutics Investigational Trial Site | Recruiting |
Westwood, Kansas, United States, 66210 | |
United States, Kentucky | |
TG Therapeutics Investigational Site | Recruiting |
Louisville, Kentucky, United States, 40207 | |
United States, Maryland | |
TG Therapeutics Investigational Trial Site | Recruiting |
Columbia, Maryland, United States, 21044 | |
United States, Michigan | |
TG Therapeutics Investigational Trial Site | Completed |
Detroit, Michigan, United States, 48201 | |
United States, Minnesota | |
TG Therapeutics Investigational Trial Site | Recruiting |
Rochester, Minnesota, United States, 55905 | |
United States, Nebraska | |
TG Therapeutics Investigational Trial Site | Recruiting |
Omaha, Nebraska, United States, 68198 | |
United States, New York | |
TG Therapeutics Investigational Trial Site | Recruiting |
New York, New York, United States, 10065 | |
United States, North Carolina | |
TG Therapeutics Investigational Trial Site | Recruiting |
Charlotte, North Carolina, United States, 28204 | |
United States, Ohio | |
TG Therapeutics Investigational Trial Site | Recruiting |
Columbus, Ohio, United States, 43210 | |
United States, Oregon | |
TG Therapeutics Investigational Trial Site | Recruiting |
Eugene, Oregon, United States, 97401 | |
United States, Pennsylvania | |
TG Therapeutics Investigational Trial Site | Recruiting |
Philadelphia, Pennsylvania, United States, 19106 | |
United States, South Carolina | |
TG Therapeutics Investigational Trial Site | Recruiting |
Greenville, South Carolina, United States, 29616 | |
United States, Tennessee | |
TG Therapeutics Investigational Trial Site | Recruiting |
Nashville, Tennessee, United States, 37203 | |
United States, Texas | |
TG Therapeutics Investigational Trial Site | Recruiting |
Austin, Texas, United States, 78705 | |
TG Therapeutics Investigational Trial Site | Recruiting |
San Antonio, Texas, United States, 78229 | |
TG Therapeutics Investigational Trial Site | Recruiting |
Tyler, Texas, United States, 75702 | |
United States, Utah | |
TG Therapeutics Investigational Trial Site | Recruiting |
Ogden, Utah, United States, 84405 | |
United States, Virginia | |
TG Therapeutics Investigational Trial Site | Recruiting |
Blacksburg, Virginia, United States, 24060 | |
TG Therapeutics Investigational Trial Site | Recruiting |
Gainesville, Virginia, United States, 20155 | |
United States, Washington | |
TG Therapeutics Investigational Trial Site | Recruiting |
Seattle, Washington, United States, 98104 |
Responsible Party: | TG Therapeutics, Inc. |
ClinicalTrials.gov Identifier: | NCT03801525 |
Other Study ID Numbers: |
U2-VEN-207 |
First Posted: | January 11, 2019 Key Record Dates |
Last Update Posted: | February 3, 2021 |
Last Verified: | February 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Data for this study will be shared after the last patient visit has been completed. |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
CLL |
Leukemia Leukemia, Lymphoid Leukemia, Lymphocytic, Chronic, B-Cell Neoplasms by Histologic Type Neoplasms Lymphoproliferative Disorders |
Lymphatic Diseases Immunoproliferative Disorders Immune System Diseases Leukemia, B-Cell Venetoclax Antineoplastic Agents |