This study is a prospective, single-arm, open label, Phase Ib/II clinical study to evaluate the safety and efficacy of selinexor in combination with temozolomide and anti-PD-1 monoclonal antibody in patients with relapsed/refractory primary central nervous system lymphoma(PCNSL). Phase Ib used a "3+3" dose-climbing design to confirm the safety, maximum-tolerated dose (MTD,if any) and recommended phaseII dose (RP2D) of selinexor in combination with fixed dose of temozolomide and anti-PD-1 monoclonal antibody for 6 cycles. Phase II was a comprehensive evaluation of efficacy and safety. Subjects who achieved complete remission or partial remission were treated with anti-PD-1 monoclonal antibody maintenance therapy until disease progression or recurrence, intolerance of toxicity, death, loss of follow-up, withdrawal of notification (whatever happened first).
Aged between 18 and 75 (inclusive).
Participants must be able to understand and be willing to sign a written informed consent document.
Eastern Cooperative Oncology Group performance status 0 to 3.
Life expectancy of ≥ 3 months (in the opinion of the investigator).
Pathological diagnosis was T cell lymphoma.
Anti-tumor therapy with chemotherapy, radiotherapy, immunotherapy or antibody drugs, or Chinese herbal medicine with anti-tumor indications, small-molecule targeted therapy within 2 weeks, monoclonal antibody-coupled drugs or cytotoxin therapy within 10 weeks, and autologous stem cell transplantation within 6 months before the first administration.
Participation in another clinical study with an investigational product during the 4 weeks prior to the first day of study treatment.
Patients who use systemic adrenal corticosteroids for more than 5 days within 14 days prior to medication or who need to take >10mg of dexamethasone or equivalent drugs daily to control CNS disease.
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China