The Study of the Combination of Thiotepa and Pomalidomide for the Treatment of Relapsed/Refractory Primary Central Nervous System Lymphoma Patients.

NCT ID: NCT05931328

Last Updated: 2023-07-05

Basic Information

• Recruitment Status: RECRUITING
• Clinical Phase: PHASE2
• Total Enrollment: 28 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-10-15
• Study Completion Date: 2026-10-31

Brief Summary

The aim of this study is to evaluate the efficacy and safety of the combination of thiotepa and pomalidomide in the treatment of relapsed/refractory (R/R) primary central nervous system lymphoma (PCNSL).

Conditions

Relapsed or Refractory (R/R) Primary Central Nervous System Lymphoma

Study Design

• Allocation Method: NON_RANDOMIZED
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

thiotepa+pomalidomide

thiotepa combined with pomalidomide: thiotepa 30mg/m2,intravenously guttae, on day 1; pomalidomide 12mg orally daily for 2 weeks. A chemotherapy cycle lasts for 3 weeks.

Group Type: EXPERIMENTAL

thiotepa combined with pomalidomide

Intervention Type: DRUG

thiotepa combined with pomalidomide: thiotepa 30mg/m2,intravenously guttae, on day 1; pomalidomide 12mg orally daily for 2 weeks. A chemotherapy cycle lasts for 3 weeks.

Interventions

thiotepa combined with pomalidomide

thiotepa combined with pomalidomide: thiotepa 30mg/m2,intravenously guttae, on day 1; pomalidomide 12mg orally daily for 2 weeks. A chemotherapy cycle lasts for 3 weeks.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

Pathologically confirmed PCNSL, diagnosed according to the 2016 WHO diagnostic criteria. Previously treated with at least one course of chemotherapy, with disease progression or recurrence.

Aged 18 to 75 years old; ECOG PS score of 0 to 4 points; Expected survival time of more than 3 months; A whole-body PET/CT and head MR (plain scan + enhancement) performed within 28 days before study enrollment should show at least one measurable lesion in two perpendicular directions (based on the 2014 Lugano criteria), or abnormal findings in cerebrospinal fluid examination (including cerebrospinal fluid cells, NGS), or ocular examination confirming lesions in the retina or vitreous body;

Adequate organ function, defined as follows:

Liver function: serum total bilirubin (TBIL) ≤ 1.5 × upper limit of normal (ULN); alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 × ULN; Renal function: serum creatinine (Cr) ≤ 1 × ULN or creatinine clearance rate (CCR) ≥ 90 mL/min; Cardiac function: cardiac function grade of III or less (NYHA standard); echocardiography shows an ejection fraction of ≥50%; Coagulation function: international normalized ratio (INR) ≤ 1.5 × ULN, activated partial thromboplastin time (APTT) ≤ 10s, and prothrombin time (PT) ≤ 3s; Thyroid function: baseline thyroid-stimulating hormone (TSH) level is normal or baseline TSH is abnormal, but T3/T4 is normal and there are no symptoms; Women of childbearing age must take contraceptive measures or undergo a pregnancy test with a negative result before enrollment, and take contraceptive measures during the trial and within 90 days after the last dose of the drug; for men, contraceptive measures must be taken during the trial and within 90 days after the last dose of the drug, or they must have undergone surgical sterilization; The subject voluntarily agrees to participate in the study, signs an informed consent form, has good compliance, and cooperates with follow-up.

Exclusion Criteria

Pregnant or lactating women; Patients with involvement of sites other than the central nervous system; Patients with bone marrow failure, specifically defined as absolute neutrophil count (ANC) <1.5 x 109/L, platelets <75 x 109/L, and hemoglobin <70 g/L;

Patients diagnosed with malignant tumors other than lymphoma or currently undergoing treatment, with the following exceptions:

• Patients who have received curative treatment and have not had any known active malignant tumors for ≥5 years prior to enrollment; ② Patients with adequately treated basal cell carcinoma of the skin without evidence of disease (excluding melanoma); ③ Patients with adequately treated cervical intraepithelial neoplasia without evidence of disease.

Known allergy to any component of the investigational drug; Patients who have undergone allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation; Patients who may receive other systemic anti-tumor therapy during the study period; Patients with human immunodeficiency virus (HIV) antibodies, active hepatitis, or other uncontrolled infectious diseases; Patients with a history of clear neurological or psychiatric disorders; Patients who may interfere with the participation of the subject in the study or the evaluation of study results due to drug abuse, medical, psychological or social conditions; Patients deemed unsuitable for enrollment by the investigator.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 75 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

The First Affiliated Hospital with Nanjing Medical University

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

Jiangsu Province People's Hospital.

Nanjing, Jiangsu, China

Site Status: RECRUITING

Countries

China

Central Contacts

Wei Xu, PhD

Role: CONTACT

xuwei10000@hotmail.com

13951699449

Facility Contacts

Jiazhu Wu, phD

Role: primary

wujiazhu09@sina.com

13851795723

Other Identifiers

NJ-RR-PCNSL-01

Identifier Type: -

Identifier Source: org_study_id