177Lu-TATE-RGD in Patients With SSTR2 and Integrin αVβ3 Positive Tumors

Summary

Researchers has conducted extensive research on the treatment of neuroendocrine tumors with 177Lu-EB-TATE and the treatment of FAP-expressing tumors with 177Lu-EB-FAPI, and some researches have revealed 68Ga-TATE-RGD in imaging studies of neuroendocrine tumors to find that the dual-targeted tracer showed an increasing TBR, suggesting the tracer kinetic advantage of TATE-RGD; compared to the single-target tracer DOTATATE, the dual-target TATE-RGD probe has a clear advantage in detecting liver metastases of NETs, and it can be explored for potential therapeutic uses of TATE-RGD in future studies and used for related companion diagnostics in targeted radioisotope therapy (RLT).

Eligibility

Inclusion Criteria:

* patients with clear pathological diagnosis and ineffective or progressing clinical conventional treatment;
* tumor lesions with high SSTR2 and RGD untake confirmed on 68Ga-TATE-RGD PET/CT within one week before the injection of 177Lu-TATE-RGD;
* signed written consent.

Exclusion Criteria:

* the exclusion criteria were a serum creatinine level of more than 150 μmol per liter, a hemoglobin level of less than 10.0 g/dl, a white-cell count of less than 4.0× 109/L, a platelet count of less than 100 × 109/L, a total bilirubin level of more than 3 times the upper limit of the normal range and a serum albumin level of more than 3.0 g per deciliter, cardiac insufficiency including carcinoid heart valve disease, a severe allergy or hypersensitivity to radiographic contrast material, claustrophobia;
* any medical condition that in the opinion of the investigator may significantly interfere with study compliance.

Conditions2

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