A Study of Rocbrutinib Versus Investigator's Choice of BTK Inhibitors in Patients With Relapsed or Refractory Mantle Cell Lymphoma

February 4, 2026 updated by: Guangzhou Lupeng Pharmaceutical Company LTD.

A Randomized, Open-label, Multicenter, Phase III Clinical Study Comparing Rocbrutinib Monotherapy Versus Investigator's Choice of BTK Inhibitors in Patients With Relapsed or Refractory Mantle Cell Lymphoma (MCL) (PRIME Study)

Mantle cell lymphoma (MCL) is an aggressive yet often indolent type of B-cell non-Hodgkin lymphoma (NHL). Rocbrutinib (LP-168) is a novel, highly selective, fourth-generation Bruton's tyrosine kinase (BTK) inhibitor that exhibits both covalent (irreversible) and non-covalent (reversible) binding. This unique dual mechanism of action has shown promising efficacy and a favorable safety profile across various B-cell NHL subtypes in prior Phase 1 and 2 studies. This is a Phase 3, randomized, open-label study comparing Rocbrutinib versus investigator's choice of BTK inhibitor (ibrutinib, acalabrutinib, zanubrutinib, or orelabrutinib) in patients with MCL who have received at least one prior line of therapy and are naïve to BTK inhibitor treatment (except for intolerance).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
394

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • China
    • Beijing Municipality
      • Beijing, Beijing Municipality, China, 100142
        • Recruiting
        • Beijing Cancer Hospital
        • Contact:
    • Guangxi
      • Nanning, Guangxi, China, 530021
        • Not yet recruiting
        • The First Affiliated Hospital of Guangxi Medical University
        • Contact:
        • Principal Investigator:
          • Zhigang Peng

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Diagnosed with MCL, who have received at least one prior systemic regimen(s), and have experienced disease progression on the most recent line of therapy.
  • Have at least one measurable lesion according to the Lugano Response Criteria 2014.
  • Eastern Cooperative Oncology Group (ECOG) Performance Status score of 0-2.
  • Life expectancy ≥ 12 weeks.
  • Adequate coagulation function, liver and kidney function, bone marrow hematopoietic function, etc.
  • Toxicities or complications from prior anti-tumor therapy have recovered to Grade ≤1 according to NCI CTCAE v5.0.
  • All male subjects and female subjects of childbearing potential must strictly use medically approved contraception throughout the entire study period. All male subjects must also avoid sperm donation during the above period. For women of childbearing potential, the result of serum pregnancy test must be obtained. Women must be non-lactating.
  • Subject voluntarily enrolls and signs the informed consent form, and agrees to comply with the study treatment plan and visit schedule.

Exclusion Criteria:

  • Hypersensitivity to Rocbrutinib or any study drug in the control group.
  • Prior treatment with any BTK-targeted therapy (except for intolerance).
  • Central nervous system (CNS) involvement by lymphoma.
  • History of other malignancy (except MCL) within the past 2 years, excluding radically cured skin basal cell carcinoma, cervical carcinoma in situ, breast carcinoma in situ, localized squamous cell carcinoma, etc.
  • History of major cardiovascular events within 6 months prior to randomization.
  • Presence of any severe and/or uncontrolled systemic disease that, in the investigator's judgment, or have poor cardiac function.
  • Uncontrolled active bacterial, fungal, or viral systemic infection, or active tuberculosis infection.
  • Any medical condition that could interfere with the absorption, distribution, metabolism, or excretion (ADME) of the investigational drug or the evaluation of study outcomes.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Arm A (Rocbrutinib)
Drug: Rocbrutinib
Rocbrutinib at 150 mg once daily orally until disease progression or unacceptable toxicity
Active Comparator: Arm B (ibrutinib, acalabrutinib, zanubrutinib, or orelabrutinib)
Drug: Ibrutinib
Ibrutinib, 560 mg once daily orally and continuously
Drug: Acalabrutinib
Acalabrutinib, 100 mg twice daily orally and continuously
Drug: Zanubrutinib
Zanubrutinib, 160 mg twice daily orally and continuously
Drug: Orelabrutinib
Orelabrutinib, 150 mg once daily orally and continuously

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Progression-free survival (PFS) assessed by IRC
Time Frame: approximately 30 months
approximately 30 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
PFS assessed by INV
Time Frame: approximately 30 months
approximately 30 months
Overall Response Rate (ORR) assessed by IRC and INV, respectively
Time Frame: Up to approximately 24 months
Up to approximately 24 months
Duration of Response (DOR) assessed by IRC and INV, respectively
Time Frame: approximately 30 months
approximately 30 months
Overall Survival
Time Frame: approximately 40 months
approximately 40 months
Number of participants with treatment-emergent adverse event as assessed by CTCAE v5.0
Time Frame: Up to approximately 40 months
Up to approximately 40 months
Number of participants with treatment-related adverse event as assessed by CTCAE v5.0
Time Frame: Up to approximately 40 months
Up to approximately 40 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Guangzhou Lupeng Pharmaceutical Company LTD.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 5, 2026

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 30, 2031

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
January 30, 2033

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 13, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 22, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 30, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 6, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 4, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • LP-168-CN302

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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