Target | Agent | Mechanism of action | Combination partners | Phase | Status | Results | Identifier | Ref. |
TLR7 | 852A | TLR7 agonist inducing the activation of innate immune cell populations | Monotherapy | II | Completed | ↑immune cell activation - ↑CXCL10↑IL-1ra; modest clinical benefit | NCT00319748 | 135 |
TLR8 | Motolimod | TLR8 agonist inducing the activation of innate immune cell populations | PLD; paclitaxel | I | Completed | – | NCT01294293 | – |
PLD | II | Completed | Improved OS in patients with ISRs | NCT01666444 | 136 | |||
TLR9 | Vidutolimod (CMP-001) | VLP-encapsulated TLR9 agonist | Anti-PD-L1 mAb avelumab; avelumab+anti-4-1BB mAb utomilumab; avelumab+anti-OX40 mAb | II | Active | – | NCT02554812 | – |
PI3Kγ | Eganelisib (IPI-549) | Selective PI3Kγ inhibitor reprogramming key immune suppressive cells | Monotherapy; nivolumab | I | Active | – | NCT02637531 | – |
Dual adenosine receptor antagonist etrumadenant (AB928)+PLD | I | Completed | – | NCT03719326 | – | |||
CD40 | Selicrelumab | Agonistic anti-CD40 mAb potentiating APC functions | Paclitaxel+carboplatin | I | Completed | Evidence of antitumor activity with 20% of patients displaying PRs | NCT00607048 | 146 |
Bevacizumab; bevacizumab+vanucizumab | I | Completed | – | NCT02665416 | – | |||
CDX-1140 | Agonistic anti-CD40 mAb potentiating APC functions | Monotherapy; gemcitabine+paclitaxel; pembrolizumab or FLT3L | I | Active | – | NCT03329950 | – | |
Pembrolizumab+bevacizumab | II | Not yet recruiting | – | NCT05231122 | – | |||
IL-12 | GEN-1 | IL-12 plasmid/lipopolymer complex stimulating the antitumor immune responses | Neoadjuvant paclitaxel+carboplatin | I | Completed | ↑IL-12, IFN-γ; ↑CD8+ T cells and ↓immunosuppression in the TME; preliminary clinical activity | NCT02480374 | 155 |
Neoadjuvant paclitaxel+carboplatin | II | Recruiting | – | NCT03393884 | – | |||
HER2 | CT-0508 | CAR macrophages targeting HER2+ tumor cells | Monotherapy | I | Recruiting | – | NCT04660929 | – |
CD47 | AO-176 | Antagonistic anti-CD47 mAb promoting phagocytosis and direct tumor cell killing | Monotherapy; paclitaxel; pembrolizumab | I/II | Recruiting | – | NCT03834948 | – |
Magrolimab (Hu5F9-G4) | Antagonistic anti-CD47 mAb promoting phagocytosis and direct tumor cell killing | Monotherapy | I | Completed | PRs in 2 out of 13 OC patients; ↓CA125 | NCT02216409 | 167 | |
Avelumab | I | Completed | – | NCT03558139 | – | |||
Anti-EGFR mAb cetuximab | I/II | Completed | ↑TAM infiltration; disease stabilization in some patients | NCT02953782 | 166 | |||
TTI-622 | Fusion protein blocking CD47 | PLD | I/II | Recruiting | – | NCT05261490 | – | |
SL-172154 | Fusion protein targeting CD47 on tumor cells and CD40 on APCs | I | Recruiting | – | NCT04406623 | – | ||
CD47/mesothelin | NI-1801 | Anti-CD47/mesothelin bispecific mAb | Monotherapy | I | Recruiting | – | NCT05403554 | – |
CD47/PD L1 | PF-07257876 | Anti-CD47/PD-L1 bispecific mAb | Monotherapy | I | Recruiting | – | NCT04881045 | – |
SIRPα | BI-765063 | antagonistic anti-SIRPα mAb | Anti-PD-1 mAb ezabenlimab | I | Recruiting | – | NCT03990233 | – |
IDO | Epacadostat | IDO inhibitor restoring the activation of immune cells | Monotherapy | II | Terminated | Lack of evidence of superiority | NCT01685255 | 176 |
CRS-207 (Listeria-based vaccine expressing human mesothelin); CRS-207+pembrolizumab | I/II | Terminated | Lack of clinical activity | NCT02575807 | – | |||
Pembrolizumab | II | Terminated | – | NCT03602586 | – | |||
Monotherapy | I | Active | – | NCT02042430 | – | |||
Nivolumab; nivolumab+chemotherapy | I/II | Completed | – | NCT02327078 | – |
APC, antigen-presenting cell; CAR, chimeric antigen receptor; CXCL10, C-X-C motif chemokine ligand 10; EGFR, epidermal growth factor receptor; FLT3L, FMS-like tyrosine kinase three ligand; HER2, human epidermal growth factor receptor 2; IDO, indoleamine 2,3-dioxygenase; IFN, interferon; ISR, injection site reaction; mAb, monoclonal antibody; OC, ovarian cancer; OS, overall survival; PD-1, programmed cell death 1; PD-L1, programmed death-ligand 1; PI3Kγ, phosphatidylinositol 3-kinase γ; PLD, pegylated liposomal doxorubicin; PR, partial response; SIRPα, signal regulatory protein α; TAM, tumor-associated macrophage; TLR, toll-like receptor; TME, tumor microenvironment; VLP, virus-like particle.