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. 2022 Nov 29;11(23):3826. doi: 10.3390/cells11233826

Table 3.

Clinical trials investigating the combination of small molecule inhibitors with immune checkpoint blockade.

Clinical Trial Trial Title Conditions Treatment Phases
NCT04265872 Bortezomib Followed by Pembrolizumab and Cisplatin in metTNBC Breast cancer Bortezomib
Pembrolizumab
Cisplatin
Phase 1
NCT04258683 A Study of Pembrolizumab Added to the Standard First-Line Therapy of Cyclophosphamide, Bortezomib, and Dexamethasone (CyBorD) for NDMM NTE Multiple myeloma Cyclophosphamide
Bortezomib
Dexamethasone
Pembrolizumab
Phase 2
NCT04191096
NCT04934722
Efficacy and Safety of Pembrolizumab (MK-3475) Plus Enzalutamide Plus Androgen Deprivation Therapy (ADT) Versus Placebo Plus Enzalutamide Plus ADT in Participants With Metastatic Hormone-Sensitive Prostate Cancer (mHSPC) (MK-3475-991/KEYNOTE-991) Metastatic hormone-sensitive prostate cancer Enzalutamide
Pembrolizumab
Phase 3
NCT04471974 ZEN-3694, Enzalutamide, and Pembrolizumab for the Treatment of Metastatic
Castration-Resistant Prostate Cancer
Castration-resistant prostate
carcinoma
Metastatic prostate adeno-
carcinoma
Metastatic prostate small cell
carcinoma
Stage IV/IVA/IVB prostate cancer AJCC v8
ZEN-3694
Enzalutamide
Pembrolizumab
Phase 2
NCT04946370 Maximizing Responses to Anti-PD1 Immunotherapy With PSMA-targeted Alpha Therapy in mCRPC Prostate cancer 225Ac-J591
Pembrolizumab
Androgen receptor pathway inhibitor
Phase 1
Phase 2
NCT04262154 Study of Abiraterone Acetate, Atezolizumab, GnRH Analog and Radiation
Therapy in Men With Newly Diagnosed Hormone-
sensitive Prostate Cancer
Metastatic prostate cancer Atezolizumab
Abiraterone acetate
Prednisone
Lupron® (leuprolide)
SBRT
Enzalutamide
Phase 2
NCT04190056 Pembrolizumab and
Tamoxifen With or Without Vorinostat for the Treatment of Estrogen Receptor Positive Breast Cancer
Breast cancer Pembrolizumab
Tamoxifen
Vorinostat
Phase 2

225Ac-J591: alpha-emitter actinium-225 conjugated to the anti-PSMA antibody J591; NDMM: newly diagnosed multiple myeloma; NTE: not transplant eligible; SBRT: stereotactic body radiotherapy; ZEN-3694: BET bromodomain inhibitor.