İleri Evre Kemik ve Yumuşak Doku Sarkomlarında DIT309'un Güvenliliği ve Etkililiği

Sade dilde özet

Bu çalışma, ileri evre kemik ve yumuşak doku sarkomu (bone and soft tissue sarcoma) olan hastalarda DIT309 adlı hücre tedavisinin güvenliliğini ve etkililiğini değerlendirmektedir. Çalışmaya, önceki standart tedavilere yanıt vermeyen veya bunları tolere edemeyen, tümörü hedef antijeni taşıyan hastalar katılabilmektedir. Çalışma Faz 1 aşamasında yürütülmekte ve halen katılımcı almaktadır.

Yukarıdaki özet, resmî kaydın sade dile aktarılmış halidir. Orijinal İngilizce başlık referans için gösterilir.

Deney bilgileri

Faz

Faz 1 (Phase 1)

Durum

Katılımcı alıyor

Sponsor

Tcelltech Inc.

Müdahale

DIT309 cell injection

Başlangıç

06.11.2025

Tahmini bitiş

10.10.2027

Ülkeler

China

İlgili genler

Merkezler

• Shanghai, China

Uygunluk kriterleri

Kriterler ClinicalTrials.gov kaydından orijinal İngilizce haliyle alınmıştır. Uygunluk kararını yalnızca deneyi yürüten ekip verebilir.

Inclusion Criteria:

1. Voluntarily agrees to participate in the clinical trial; is fully informed about the study and has signed the informed consent form (ICF); is willing and able to comply with all study procedures.
2. Male or female patients aged ≥8 weeks.
3. Histologically confirmed diagnosis of advanced bone and soft tissue sarcoma, who have failed or are intolerant to prior standard therapies.
4. At least one measurable lesion as defined by RECIST version 1.1.
5. Tumor tissue demonstrates positive expression for the target antigen according to the protocol-defined criteria.
6. ECOG performance status of 0-1 within 24 hours prior to leukapheresis and prior to lymphodepletion.
7. Life expectancy of more than 6 months.
8. Adequate venous access for leukapheresis, with no contraindications for the procedure.
9. Laboratory parameters must meet the following criteria:

   1. Hematologic function: WBC ≥ 3.0 × 10⁹/L; Hemoglobin ≥ 8.0 g/dL; ANC ≥ 1.5 × 10⁹/L; Platelets ≥ 75.0 × 10⁹/L
   2. Renal function: Serum creatinine ≤ 1.5 × upper limit of normal (ULN)
   3. Hepatic function: ALT and AST ≤ 2.5 × ULN (≤ 5.0 × ULN for subjects with liver metastasis)
   4. Total bilirubin ≤ 2.0 × ULN (excluding patients with Gilbert's syndrome, defined as persistent or recurrent unconjugated hyperbilirubinemia without evidence of hemolysis or hepatic pathology)
   5. Coagulation: Without anticoagulation therapy, PT, APTT, or INR ≤ 1.5 × ULN
   6. Negative pregnancy test for female subjects of childbearing potential
10. Subjects of childbearing potential must agree to use effective contraception from the date of signing the informed consent through 6 months after the last infusion.

Exclusion Criteria:

1. Pregnant or breastfeeding women
2. Viral infections:

   1. Positive serology for HIV antibodies or syphilis
   2. Positive HBsAg or HBcAb with HBV DNA above the lower limit of detection in peripheral blood
   3. Positive HCV antibody with detectable HCV RNA in peripheral blood
3. Medical history and comorbidities:

   1. Known hypersensitivity to DIT309 cells or any component of the investigational products (including fludarabine, cyclophosphamide, or trastuzumab), or history of severe allergic reactions
   2. Known active autoimmune diseases (e.g., Crohn's disease, systemic lupus erythematosus); subjects with vitiligo or childhood asthma in complete remission and not requiring treatment in adulthood may be eligible; subjects requiring medical intervention such as bronchodilators for asthma are not eligible
   3. Currently receiving systemic immunosuppressive therapy or anticipated need for long-term immunosuppression during the study (topical, inhaled, or intranasal corticosteroids used intermittently are allowed)
   4. Prior exposure to any gene-modified T cell therapy (e.g., CAR-T or TCR-T) or any form of gene therapy\*
   5. History of uncontrolled neurological or psychiatric disorders that may increase the risk of participation or interfere with study results in the investigator's opinion, including but not limited to epilepsy, dementia, or major depression
   6. Untreated or symptomatic CNS or leptomeningeal metastases
   7. Unresolved toxicities from prior treatment that have not recovered to Grade ≤1 per CTCAE v5.0 (except for toxicities deemed not to pose safety risk by the investigator, such as alopecia, Grade 2 peripheral neuropathy, or hypothyroidism managed with replacement therapy)
   8. History of other primary solid malignancies
   9. Major surgery or significant trauma within 1 month prior to leukapheresis
   10. Any serious or uncontrolled comorbidity that, in the investigator's opinion, may increase risks associated with study participation or investigational drug administration, including but not limited to: cardiovascular or cerebrovascular disease, renal insufficiency, pulmonary embolism, coagulation disorders requiring long-term anticoagulation, active or uncontrolled infections requiring systemic treatment.