Precision Treatment of Recurrent/Metastatic Salivary Gland Carcinoma Guided by Molecular Typing

Condition(s) studied

Investigational drug(s) / intervention(s)

Cohort 1 (HER2-positive, RC48-ADC): Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

Cohort 2 (NTRK-fusion or NTRK-mutant): Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

Cohort 3 (AR-positive, leuprolide + bicalutamide + abiraterone): Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

TROP2 ADC: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

TKI: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

Albumin-paclitaxel + platinum: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

Albumin-paclitaxel + carboplatin + apatinib + camrelizumab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

albumin-bound paclitaxel+trastuzumab+pyrotinib: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

HER2,trastuzumab deruxtecan± pertuzumab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

AR,AR antagonist ++ goserelin + pertuzumab + trastuzumab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

AR,AR antagonist +goserelin +docetaxel: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

ivonescimab + investigator-choice platinum doublet+: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

iparomlimab + tuvonralimab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

cadonilimab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

CDK4/6 inhibitor+AI or fulvestrant: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

alpelisib+fulvestrant: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

PARP inhibitor: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

enfortumab vedotin: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

HER2, pyrotinib + pertuzumab/trastuzumab: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

vebecotutamab ±lenvatinib: Neoadjuvant / conversion phase: After 2-6 cycles of protocol therapy, patients are re-evaluated. Those deemed resectable undergo surgery of the primary tumour ± metastatic sites, followed by radiotherapy or other modalities (e.g., radiofrequency ablation) at the investigator's discretion. Patients who remain unresectable after six cycles continue the same regimen until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to stop. Adjuvant phase: Treatment is administered for 1 years, or until intolerable toxicity or withdrawal of consent. Salvage phase: Therapy continues until disease progression, intolerable toxicity, withdrawal of consent, or investigator decision to terminate.

Study summary

Patients with salivary gland carcinoma were divided into groups according to HER2, NTRK, AR, TROP-2, etc. Patients in different groups were given precision targeted therapy or chemotherapy to evaluate the efficacy (ORR rate) and safety of precision therapy.

Eligibility

Primary outcome measure(s)

• ORR — ORR at the end of Cycle 2 (each cycle is 21 days)
  ORR rates for neoadjuvant and translational therapy in patients with locally advanced/recurrent and advanced oligometastatic salivary gland cancer and ORR rate of salvage therapy for locally advanced/recurrent or distantly metastatic salivary gland carcinoma with rapid progression that cannot tolerate or refuses surgery

Trial sites (2)

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