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Active, not recruiting Phase 3 Interventional

Study of BTK Inhibitor LOXO-305 Versus Approved BTK Inhibitor Drugs in Patients With Mantle Cell Lymphoma (MCL)

ClinicalTrials.gov ID: NCT04662255

Public ClinicalTrials.gov record NCT04662255. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3 Open-Label, Randomized Study of LOXO-305 Versus Investigator Choice of BTK Inhibitor in Patients With Previously Treated BTK Inhibitor Naïve Mantle Cell Lymphoma (BRUIN MCL-321)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a study for participants with a type of blood cancer called mantle cell lymphoma (MCL). The main purpose is to compare pirtobrutinib (LOXO-305) to other drugs that work in a similar way that have already been approved by the United States Food and Drug Administration (US FDA). Participation could last up to two years, and possibly longer, if the disease does not progress.

Study identification

NCT ID
NCT04662255
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Loxo Oncology, Inc.
Industry
Enrollment
500 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 8, 2021 (Actual)
Primary completion
Nov 2027 (Estimated)
Completion
Jun 2030 (Estimated)
Last update posted
Sep 23, 2026

2021 – 2030

United States locations

U.S. sites
36
U.S. states
22
U.S. cities
35
Facility City State ZIP Site status
Alaska Oncology and Hematology, LLC Anchorage Alaska 99508 —
Arizona Oncology Associates, P.C. - HOPE Phoenix Arizona 85013 —
UCLA Medical Center Los Angeles California 90095 —
USO-Rocky Mountain Cancer Center Denver Colorado 80218 —
Mayo Clinic in Florida Jacksonville Florida 32224 —
Oncology-Hematology Associates of West Broward Tamarac Florida 33321 —
Florida Cancer Specialists East West Palm Beach Florida 33401 —
University of Kentucky Markey Cancer Center Lexington Kentucky 40504 —
Mercy Health-Paducah Medical Oncology and Hematology Paducah Kentucky 42003 —
Tulane Cancer Center Office of Clinical Research New Orleans Louisiana 70112 —
Greenebaum Comprehensive Cancer Center Baltimore Maryland 21201 —
DFCI Lymphoma Boston Massachusetts 02115 —
Karmanos Cancer Institute Detroit Michigan 48201 —
Mayo Clinic Rochester Minnesota 55905-0002 —
Washington University Medical School St Louis Missouri 63110 —
Columbia University Medical Center New York New York 10032 —
Memorial Sloan Kettering Cancer Center New York New York 10065 —
Messino Cancer Center Asheville North Carolina 28806 —
Levine Cancer Institute Charlotte North Carolina 28204 —
Wake Forest University School of Medicine Winston-Salem North Carolina 27157-1045 —
Oncology Hematology Care Inc Cincinnati Ohio 45219 —
Willamette Valley Cancer Institute & Research Ctr. Eugene Oregon 97401 —
Sarah Cannon Research Institute SCRI Nashville Tennessee 37203 —
Texas Oncology-Austin Midtown Austin Texas 78705 —
Texas Oncology - Bedford Bedford Texas 76022 —
University of Texas MD Anderson Cancer Center Houston Texas 77030 —
Texas Oncology - McAllen McAllen Texas 78503 —
Texas Oncology - Sherman Sherman Texas 75090 —
US Oncology The Woodlands Texas 77380 —
Texas Oncology - Tyler Tyler Texas 75702 —
Huntsman Cancer Institute Salt Lake City Utah 84112 —
University of Virginia Health System Charlottesville Virginia 22903 —
USO-Virginia Cancer Specialists, PC Fairfax Virginia 22031 —
Seattle Cancer Care Alliance Seattle Washington 98109 —
University of Wisconsin Carbone Cancer Center Madison Wisconsin 53705-2254 —
Froedtert Memorial Lutheran Hospital Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 153 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04662255, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 23, 2026 · Synced Oct 17, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04662255 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →