Phase II Trial of Tirelizumab Combined With R2-ICE Regimen in the Treatment of rrDLBCL/HGBL

  • End date
    Jul 30, 2023
  • participants needed
  • sponsor
    Affiliated Hospital to Academy of Military Medical Sciences
Updated on 30 September 2021


This study was a prospective, multi-center, single-arm, Phase II clinical study. Compared with the literature data, objective response rate (ORR) and complete response rate (CR) were the primary endpoint, and 1-year and 2-year progression-free survival (PFS) and 2-year overall survival (OS) were the secondary endpoint. To evaluate the efficacy and safety of TR2-ICE sequential Tirelarizin, lenalidomide alone, or both maintenance therapy in the rescue of patients with relapsed and refractory diffuse large B or high-grade B-cell lymphoma.


All patients eligible for inclusion were treated with TR2-ICE, and the first efficacy evaluation was conducted after the second course of treatment. If the patient can achieve complete response (CR), partial response (PR), and disease stability (SD), the clinical benefit is considered, and the TR2-ICE treatment regimen is continued. The second efficacy assessment was performed after the 4th course of treatment. If patients achieved complete response (CR) or partial response (PR) compared to baseline, the clinical treatment was considered effective and the TR2-ICE treatment regimen was continued. After the completion of six courses of induction chemotherapy, an end-of-course assessment was performed. Patients with CR and PR can choose to undergo autologous hematopoietic stem cell transplantation consolidation therapy, or lenalidomide or Tirelarizin monotherapy or both combination maintenance therapy. If patients still had SD after four courses of treatment or PD at any time during the study, they were dropped out of the study and given salvage therapy.

Condition At Least One Positive Lesion According to the 2014 Lugano Criteria for Hodgkin's and Non-Hodgkin's Lymphoma, Received Prior First-line Chemotherapy for DLBCL or HGBL, Failed to Reach CR for Four Cycles, or Relapsed, Age Range ≥16 Years, Gender Unlimited, The Researchers Judged That Life Expectancy Was at Least Three Months, Histopathology Confirmed Diffuse Large B-cell Lymphoma or High-grade B-cell Lymphoma, Understand and Voluntarily Sign Written Informed Consent, ECOG Physical Status Score is 0-3
Treatment TR2-ICE
Clinical Study IdentifierNCT05050630
SponsorAffiliated Hospital to Academy of Military Medical Sciences
Last Modified on30 September 2021


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Inclusion Criteria

Age range 16 years old, no gender limitation
Diffuse large B-cell lymphoma or high-grade B-cell lymphoma (HGBL) was confirmed by histopathology
Have received prior first-line chemotherapy for DLBCL or HGBL, failed to reach CR in four cycles, or relapsed
At least one positive lesion under 18F-deoxyglucose (18FDG) positron emission computed tomography (PET-CT) according to the 2014 Lugano criteria for Hodgkin's and non-Hodgkin's lymphoma
ECOG physical status score is 0-3
At the time of screening, laboratory tests met the following criteria, unless the investigator could determine that lymphoma was the cause (no corrective and supportive treatment for the parameters described below was performed within 2 weeks prior to evaluation) : (1) Routine blood test: Hemoglobin (Hb) 90g/L, absolute neutrophil (ANC) 1.5109/L, platelet count (PLT) 90109/L; (2) biochemical examination: serum creatinine (Cr) 1.5 upper limit of normal value (ULN), creatinine clearance rate > 50ml/min (Cockcroft formula); Total bilirubin (TBIL) 1.5ULN; Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) 2.5ULN (liver metastasis: 5ULN)
Life expectancy was at least three months, the researchers judged
Understand and voluntarily sign written informed consent

Exclusion Criteria

With central nervous system metastasis or piameningeal metastasis
Prior organ transplant
Previous or current combination of other malignant tumors, except adequately treated basal cell carcinoma or squamous cell carcinoma of the skin, carcinoma in situ of the cervix
Patients who have been treated with PD-1 inhibtor before
History of severe allergy to antibody drugs
Those with active immune diseases, such as systemic lupus erythematosus
Uncontrolled or significant cardiovascular disease, including: (1) New York Heart Association (NYHA) class II or higher congestive heart failure, unstable angina, myocardial infarction, or arrhythmia requiring treatment, or left ventricular ejection fraction (LVEF) <50% at the time of screening within 6 months prior to initial administration of the study drug; (2) primary cardiomyopathy (such as dilated cardiomyopathy, hypertrophic cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy, restricted cardiomyopathy, unshaped cardiomyopathy); (3) clinically significant prolonged history of QTc interval, or screening QTc interval >470ms for women and >450ms for men; (4) symptomatic coronary heart disease requiring drug treatment during screening period; (5) Other cardiovascular diseases deemed unsuitable for inclusion by the investigator
A history of severe interstitial lung disease (ILD), such as pulmonary fibrosis, or baseline chest CT or MRI showing evidence of ILD
Clinically significant gastrointestinal abnormalities that may affect drug intake, transport or absorption (such as inability to swallow, chronic diarrhea, intestinal obstruction, etc.), or total gastrectomy
High-risk surgery for vital organs or poor healing of other surgical wounds as determined by the investigator 6 weeks prior to screening
Active infection or active or uncontrolled HBV, HCV infection, HIV/AIDS (Acquired Immune Deficiency Syndrome) or other serious infectious diseases (including: active infection requiring systemic treatment; HBV/HCV/HIV qualitative detection is preferred, quantitative detection is required; HBV DNA can be included after treatment to turn negative)
Any mental or cognitive impairment that may limit their understanding of informed consent, performance of informed consent, and compliance with the study
Drug and alcohol abuse
Women of reproductive age who are unwilling or unable to use an effective method of contraception during the entire treatment period of the trial and within 12 weeks of the last Tirelizu administration or within 12 months of the last rituximab administration, whichever is the latest [women of reproductive age include: Any woman who has menstruated and has not undergone successful artificial sterilization (hysterectomy, bilateral tubal ligation or bilateral oophorectomy) or has not been menopausal], is pregnant or breastfeeding
Other conditions that the investigator considers inappropriate for participation in the study
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