Golidocitinib Plus CHOP in Newly Diagnosed PTCL

Inclusion Criteria:

* Age between 18 and 70 years;
* Histopathologically confirmed diagnosis of PTCL of one of the following subtypes: (1) Peripheral T-cell lymphoma, not otherwise specified (PTCL-NOS); (2) Angioimmunoblastic T-cell lymphoma (AITL); (3) Anaplastic large cell lymphoma (ALCL); or (4) other PTCL subtypes considered eligible by the investigator;
* Patients must have at least one measurable lesion according to the Lugano 2014 criteria: For lymph node lesions, the measurable lymph node must have a long diameter \>1.5 cm; for non-lymph node lesions, the measurable extranodal lesion must have a long diameter \>1.0 cm;
* ECOG performance status score of 0-3;
* Adequate bone marrow function: absolute neutrophil count (ANC) ≥1.5×10\^9/L, platelet count (PLT) ≥75×10\^9/L, and hemoglobin (HGB) ≥90 g/L (for patients with bone marrow involvement, ANC can be relaxed to ≥1.0×10\^9/L, PLT to ≥50×10\^9/L, and HGB to ≥75 g/L);
* Adequate organ function: alanine aminotransferase (ALT) \<3 times the upper limit of normal (ULN), total serum bilirubin (TBIL) ≤1.5 times ULN, creatinine clearance ≥50 mL/min, and left ventricular ejection fraction (LVEF) ≥50% as determined by echocardiography.

Exclusion Criteria:

* Extranodal NK/T-cell lymphoma;
* History of acute myocardial infarction or unstable angina, congestive heart failure, symptomatic arrhythmias, or significant QT interval prolongation (men \>450 ms, women \>470 ms) within the past 6 months;
* Uncontrolled active infection;
* ANC ≤0.5×10\^9/L, lymphocyte count ≤0.4×10\^9/L, PLT ≤75×10\^9/L, ALT ≥3 times the ULN, or creatinine clearance ≤50 mL/min;
* Presence of primary or secondary central nervous system (CNS) lymphoma at the time of enrollment;
* Pregnant or breastfeeding women;
* Patients who have received any investigational drug or radiotherapy within the past 4 weeks;
* Individuals deemed unsuitable for participation by the investigator;