RecruitingPhase 2NCT07285590

Clinical Trial to Evaluate the Efficacy and Safety of Pirtobrutinib With Rituximab in Patients With Mantle Cell Lymphoma

International Multicentric Phase II Trial to Evaluate the Efficacy and Safety of Pirtobrutinib in Combination With Rituximab in Patients With Indolent Clinical Forms of Mantle Cell Lymphoma


Sponsor

Grupo Español de Linfomas y Transplante Autólogo de Médula Ósea

Enrollment

50 participants

Start Date

Sep 30, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

This is a multicenter, international, open-label, single-arm phase II clinical trial designed to evaluate the activity and safety of a combination therapy with pirtobrutinib and rituximab (P-R) in treatment-naïve adult patients diagnosed with indolent clinical forms of Mantle Cell Lymphoma (MCL). The study applies a Simon's two-stage design, with an interim analysis after the first 16 patients to determine continuation based on complete remission rate (CRR) after 6 cycles.


Eligibility

Min Age: 18 Years

Plain Language Summary

Simplified for easier understanding

This trial is testing a combination of two cancer drugs — pirtobrutinib (a BTK inhibitor) and rituximab (an antibody therapy) — as a first-ever treatment for patients with a type of lymphoma called mantle cell lymphoma (MCL) who have no symptoms yet. **You may be eligible if...** - You are 18 or older with a confirmed mantle cell lymphoma diagnosis - You have never received any treatment for MCL (this is your first) - You currently have no symptoms from the lymphoma - Your performance status is good (ECOG 0–1) - Your disease may be at any stage (I–IV) **You may NOT be eligible if...** - You have already received treatment for MCL (other than a diagnostic splenectomy) - You are experiencing symptoms related to the lymphoma - Your performance status is poor (ECOG 2 or above) - You have significant organ dysfunction Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DRUGPirtobrutinib and rituximab

Patients will receive the study treatment (P-R combination) at day 1 (baseline) and during the treatment period (C24). Pirtobrutinib discontinuation per protocol will be decided after C24, according to the MRD response and the TP53 mutational status. Rituximab treatment will end up at C23.


Locations(16)

Instituto Português de Oncologia de Lisboa Francisco Gentil

Lisbon, Lisbon District, Portugal

Unidade Local De Saude De Santa Maria E.P.E.

Lisbon, Lisbon District, Portugal

INSTITUT CATALÀ D'ONCOLOGIA (ICO). Hospital Germans Trias I Pujol.

Badalona, Barcelona, Spain

Hospital Universitari Vall d'Hebron

Barcelona, Barcelona, Spain

Hospital Clinic de Barcelona

Barcelona, Barcelona, Spain

Institut Català d'oncologia de L'Hospitalet (ICO-L'Hospitalet)

L'Hospitalet de Llobregat, Barcelona, Spain

Hospital General Universitario Gregorio Marañón

Madrid, Madrid, Spain

Clínica Universidad Navarra

Madrid, Madrid, Spain

Hospital Ramon y Cajal

Madrid, Madrid, Spain

Hospital Universitario 12 de Octubre

Madrid, Madrid, Spain

Hospital Clínico Universitario Virgen de la Arrixaca

El Palmar, Murcia, Spain

Hospital Costa del Sol

Marbella, Málaga, Spain

Clínica Universidad Navarra

Pamplona, Pamplona, Spain

Hospital Universitario de Salamanca

Salamanca, Salamanca, Spain

Hospital Clínico de Valencia

Valencia, Valencia, Spain

Hospital Universitario y Politécnico La Fe

Valencia, Valencia, Spain

View Full Details on ClinicalTrials.gov

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NCT07285590


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