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Table 3 Ongoing and completed clinical trials exploring the efficacy of combination DNA targeting and immunotherapy agents

From: The role of DNA damage repair (DDR) system in response to immune checkpoint inhibitor (ICI) therapy

Clinical trial ID

Cancer type

DDR-targeted inhibitor

ICI

Targets

Phase

Clinical endpoint

Status

Refs

NCT04334941

SCLC

Talazoparib

Atezolizumab

PARP+PD-L1

Phase 2

PFS, OS

Recruiting

[81]

NCT04068831

Renal Cell Carcinoma

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

ORR, PFS

Recruiting

[16]

NCT03964532

Advanced Breast Cancer

Talazoparib

Avelumab

PARP+PD-L1

Phase 1 Phase 2

AEs, ORR, PFS, OS

Recruiting

[16]

NCT04678362

Urothelial Carcinoma

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

PFS, OS, DOR

Recruiting

[82]

NCT04173507

Lung Non-Squamous Non-Small Cell Carcinoma

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

ORR, DCR, Toxicity, PFS, OS, DOR,

Active, not recruiting

[16]

NCT03565991

BRCA or ATM Mutant Solid Tumors

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

OR, TTR, PFS, OS, DOR

Active, not recruiting

[83]

NCT02912572

Metastatic Endometrial Cancer

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

PFS, ORR, DOR, irPFS

Recruiting

[16]

NCT04052204

Advanced or Metastatic Solid Tumors

Talazoparib

Avelumab

PARP+PD-L1

Phase 1

Phase 2

DLT, DOR, TTR, PFS, OS

Terminated

[38]

NCT03330405

Solid Tumors

Talazoparib

Avelumab

PARP+PD-L1

Phase 2

DLT, OR, TTR, PFS, OS, DOR

Active, not recruiting

[83]

NCT03637491

Solid tumors

Talazoparib

Avelumab

PARP+PD-L1

Phase1   Phase 2

DLTs, OR, AEs

Terminated

Has Results

[83]

NCT04187833

Melanoma

Talazoparib

Nivolumab

PARP+PD-1

Phase 2

BOR, PFS, irOR, irPFS, OS, AEs

Recruiting

[75]

NCT04158336

Solid Tumors

Talazoparib

Pembrolizumab

PARP+PD-1

Phase 1 Phase 2

Safety and Tolerability, MTD, RP2D

Recruiting

[75]

NCT03101280

Advanced Gynecologic Cancers and TNBC

Rucaparib

Atezolizumab

PARP+PD-L1

Phase 1

DLTs, OS, DOR, PFS

Completed

[83]

NCT04276376

Solid Tumors

Rucaparib

Atezolizumab

PARP+PD-L1

Phase 2

ORR

Recruiting

[75]

NCT03824704

Solid Tumors

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

ORR, PFS, DOR

Terminated

Has Results

[84]

NCT04624178

Leiomyosarcoma

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

ORR, PFS

Recruiting

[85]

NCT03338790

mCRPC

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

ORR, RR-PSA, PFS

Active, not recruiting

Has Results

[83]

NCT03639935

Biliary Tract Cancer

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

PFS, OS

Recruiting

[84]

NCT03572478

Prostate Cancer or Endometrial Cancer

Rucaparib

Nivolumab

PARP+PD-1

Phase 1 Phase 2

DLTs

Terminated

Has Results

[83]

NCT02873962

Relapsed Ovarian, Fallopian Tube or Peritoneal Cancer

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

ORR, Safety and Tolerability, PFS, DOR

Recruiting

[84]

NCT03958045

SCLC

Rucaparib

Nivolumab

PARP+PD-1

Phase 2

PFS, DCR, OS, ORR

Recruiting

[16]

NCT03522246

Ovarian Cancer

Rucaparib

Nivolumab

PARP+PD-1

Phase 3

PFS, OS, ORR, DOR, Safety and Tolerability

Active, not recruiting

[83]

NCT02935634

Advanced Gastric Cancer

Rucaparib

Nivolumab Ipilimumab

PARP+PD-1 + CTLA-4

Phase 2

ORR, DOR, AEs

Active, not recruiting

[16]

NCT03869190

Urothelial Cancer

Niraparib

Atezolizumab

PARP+PD-L1

Phase 1 Phase 2

ORR, pCR, PFS, OS

Recruiting

[16]

NCT04313504

Head and Neck Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

ORR, AEs, PFS, OS

Recruiting

[86]

NCT03955471

Ovarian Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

ORR, DOR, PFS, OS, DCR

Terminated

[87]

NCT04068753

Cervix Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

Toxicity, DOR, PFS, OS

Recruiting

[38]

NCT04544995

Neuroblastoma and Osteosarcoma

Niraparib

Dostarlimab

PARP+PD-1

Phase 1

DLTs, PFS, ORR

Recruiting

[88]

NCT04673448

Pancreatic, Ovarian or Fallopian Tube Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 1

bOR, PFS, DOR, OS, DC, AEs

Recruiting

[89]

NCT04701307

Lung Small Cell Carcinoma and Neuroendocrine Tumor

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

PFS, ORR, DCR, OS

Recruiting

[90]

NCT04493060

Pancreatic Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

DCR, ORR, TTNT, OS

Recruiting

[89]

NCT05126342

Ovarian, Peritoneal or Fallopian Tube Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

ORR, PFS, DCR, OS, TFST

Not yet recruiting

[91]

NCT03016338

Endometrial Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

CBR, ORR, DOR, PFS

Active, not recruiting

[92]

NCT03307785

Advanced or Metastatic Solid Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 1

DLTs, ORR, DOR, DCR

Active, not recruiting

Has Results

[83]

NCT04584255

Breast Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

TILs, pCR

Recruiting

[93]

NCT04940637

Lung Cancer or Mesothelioma

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

PFS, ORR, DCR, DOR, OS

Recruiting

[94]

NCT03651206

Ovarian Cancer and Endometrial Cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 2 Phase 3

RR, OS, PFS, TTST

Recruiting

[84]

NCT04779151

Solid Tumors

Niraparib

Dostarlimab

PARP+PD-1

Phase 2

ORR

Not yet recruiting

[96]

NCT03602859

Ovarian cancer

Niraparib

Dostarlimab

PARP+PD-1

Phase 3

PFS, OS

Active, not recruiting

[83]

NCT03308942

NSCLC

Niraparib

Dostarlimab Pembrolizumab

PARP+PD-1

Phase 2

ORR, PFS, OS

Completed

Has Results

[83]

NCT04508803

Breast Cancer

Niraparib

HX008(Pucotenlimab)

PARP+PD-1

Phase 2

ORR, PFS, OS, CBR, DOR

Recruiting

[86]

NCT03404960

Pancreatic Cancer

Niraparib

Nivolumab Ipilimumab

PARP+PD-1 + CTLA-4

Phase 1 Phase 2

PFS, Safety and Tolerability, DOR, ORR

Active, not recruiting

[51]

NCT04178460

Gastric Cancer, TNBC, Biliary Tract Carcinoma and Endometrial Carcinoma

Niraparib

MGD013(Tebotelimab)

PARP+ PD-1 + LAG-3

Phase 1

Safety and Validity profiles

Terminated

[97]

NCT02657889

TNBC or Ovarian Cancer

Niraparib

Pembrolizumab

PARP+PD-1

Phase 1 Phase 2

DLTs, ORR, Safety and Tolerability, DOR

Completed

Has Results

[83]

NCT04475939

NSCLC

Niraparib

Pembrolizumab

PARP+PD-1

Phase 3

PFS, OS, TTP

Recruiting

[98]

NCT04885413

Endometrial Cancer

Niraparib

Sintilimab

PARP+PD-1

Phase 2

ORR, DOR, PFS, DCR

Recruiting

[99]

NCT05162872

Nasopharyngeal Carcinoma

Niraparib

Sintilimab

PARP+PD-1

Phase 2

ORR, DOR, PFS, DCR, OS

Recruiting

[91]

NCT02734004

Advanced Ovarian, Breast, Lung, and Gastric Cancers

Olaparib

Durvalumab

PARP+PD-L1

Phase1   Phase 2

DCR, ORR, Safety and Tolerability

Active, not recruiting

[83]

NCT03334617

NSCLC

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, DOR, PFS, DCR, OS

Recruiting

[83]

NCT02484404

Recurrent Ovarian, TNBC, Lung, Prostate, and Colon Cancers

Olaparib

Durvalumab

PARP+PD-L1

Phase 1 Phase 2

ORR, RP2D, AEs

Recruiting

[30, 49, 80, 84]

NCT04644289

Epithelial Ovarian Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

Safety, Feasibility

Recruiting

[100]

NCT03923270

Small-cell Lung Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 1

AEs, PFS, OS

Recruiting

[51]

NCT03851614

MMR proficient Colorectal Cancer, Pancreatic Cancer, and Leiomyosarcoma

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, CBR, PFS

Active, not recruiting

[84]

NCT03534492

Bladder Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

pCRR, Toxicity

Completed

[101]

NCT03167619

TNBC

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PFS, OS, ORR

Active, not recruiting

[83]

NCT05222971

Biliary Tract Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PFS, OS, Toxicity

Recruiting

[91]

NCT03594396

Advanced or mTNBC

Olaparib

Durvalumab

PARP+PD-L1

Phase 1 Phase 2

pCR, RR

Active, not recruiting

[75]

NCT03544125

TNBC

Olaparib

Durvalumab

PARP+PD-L1

Phase 1

AEs, ORR, DOR, PFS, OS

Completed

[16]

NCT03801369

mTNBC

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, OS

Recruiting

[16]

NCT03737643

Ovarian cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 3

PFS, pCR, ORR

Recruiting

[16]

NCT03459846

Bladder Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PFS, OS, DOR, ORR

Active, not recruiting

[83]

NCT03991832

Solid Tumors

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, PFS, OS

Recruiting

[102]

NCT02882308

Head and Neck Squamous Cell Carcinoma

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, pCR

Completed

[84]

NCT03772561

Advanced Solid Tumors

Olaparib

Durvalumab

PARP+PD-L1

Phase 1

ORR

Recruiting

[84]

NCT03775486

Lung Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PFS, OS, DOR, ORR

Active, not recruiting

[16]

NCT05209529

TNBC

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

OS, pCR

Not yet recruiting

[91]

NCT04538378

Lung Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, PFS, Safety and Tolerability, OS

Recruiting

[103]

NCT04336943

Prostate Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

Undetectable PSA, AEs

Recruiting

[104]

NCT03951415

Endometrial Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PFS, ORR, OS

Active, not recruiting

[44]

NCT04169841

Solid Tumors

Olaparib

Durvalumab, Tremelimumab

PARP+PD-L1 + CTLA-4

Phase 2

PFS

Recruiting

[16]

NCT02953457

Recurrent or Refractory Ovarian, Fallopian Tube or Primary Peritoneal Cancer with BRCA Mutation

Olaparib

Durvalumab Tremelimumab

PARP+PD-L1 + CTLA-4

Phase 2

DLTs, PFS, OS

Active, not recruiting

[84]

NCT03699449

Recurrent Ovarian Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

ORR, OS, PFS

Recruiting

[16]

NCT04306367

Bile Duct Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

RR, DOR, PFS, OS, Safety and Tolerability

Recruiting

[105]

NCT03810105

Prostate Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

PSA detection

Recruiting

[16]

NCT02546661

Bladder Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 1

Safety and Tolerability, ORR, DCR, PFS, DOR, OS

Active, not recruiting

[83]

NCT04269200

Endometrial Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 3

PFS, OS, ORR, DOR, TFST

Recruiting

[16]

NCT03741426

Renal Cancer

Olaparib

Durvalumab

PARP+PD-L1

Phase 2

Proof-of-Mechanism, AEs

Recruiting

[16]

NCT04641728

Cervical Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, DOR, DRR, PFS

Active, not recruiting

[106]

NCT04380636

NSCLC

Olaparib

Pembrolizumab

PARP+PD-1

Phase 3

PFS, OS, ORR, DOR, AEs

Recruiting

[44]

NCT04483544

Cervical Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

irORR, PFS, TEAEs, DOR

Recruiting

[44]

NCT02861573

mCRPC

Olaparib

Pembrolizumab

PARP+PD-1

Phase 1  Phase2

AEs, ORR, DCR, OS, DOR, PFS

Recruiting

[83]

NCT04191135

Advanced TNBC

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

PFS, OS

Active, not recruiting

[93]

NCT04123366

Solid Tumors

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, DOR, PFS, OS, AEs

Recruiting

[16]

NCT04548752

Pancreatic Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

PFS, OS, ORR, AEs

Recruiting

[89]

NCT03834519

Prostate Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 3

OS, rPFS

Active, not recruiting

[107]

NCT04666740

Metastatic Pancreatic Ductal Adenocarcinoma

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

PFS, OS

Recruiting

[108]

NCT05033756

Breast Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, DOR, PFS, OS, Safety and Toxicity

Not yet recruiting

[91]

NCT03976362

Squamous NSCLC

Olaparib

Pembrolizumab

PARP+PD-1

Phase 3

PFS, OS, AEs

Active, not recruiting

[51]

NCT04633902

Metastatic Melanoma

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, PFS, OS, Safety and Toxicity

Recruiting

[90]

NCT05201612

Metastatic Colorectal Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, PFS, OS, DCR, DOR

Not yet recruiting

[91]

NCT05093231

Pancreatic Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, Safety and Toxicity, PFS, DOR, OS

Not yet recruiting

[109]

NCT03740165

Ovarian Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 3

PFS, OS

Active, not recruiting

[16]

NCT05203445

Breast Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

MRGB

Recruiting

[91]

NCT05156268

Endometrial Carcinosarcoma

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR

Recruiting

[91]

NCT03025035

Breast Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, PFS, OS, CBR, DOR

Recruiting

[93]

NCT04417192

Ovarian Cancer

Olaparib

Pembrolizumab

PARP+PD-1

Phase 2

ORR, CRS, OS, PFS

Recruiting

[100]

NCT02485990

Epithelial Ovarian, Fallopian Tube or Primary Peritoneal Cancer

Olaparib

Tremelimumab

PARP+CTLA-4

Phase 1

AEs, MTD, PFS, OS, ORR, DCR, DOR

Terminated

[16]

NCT04034927

Recurrent Ovarian, Fallopian Tube or Peritoneal Cancer

Olaparib

Tremelimumab

PARP+CTLA-4

Phase 2

PFS, DLT, OS, AEs

Active, not recruiting

[16]

NCT02571725

BRCA mutant Ovarian Cancer

Olaparib

Tremelimumab

PARP+CTLA-4

Phase 1

Phase 2

RP2D, ORR, PFS

Active, not recruiting

[75]

NCT02660034

Solid Tumors

Pamiparib

Tislelizumab

PARP+PD-1

Phase 1

AEs, DLT, ORR, DOR, PFS, OS, DCR, CBR

Completed Has Results

[83]

NCT03061188

Solid tumors

Veliparib

Nivolumab

PARP+PD-1

Phase 1

MTD, AEs, ORR, CBR, PFS

Active, not recruiting

Has Results

[75]

NCT04216316

Advanced Squamous Cell NSCLC

Berzosertib

Pembrolizumab

ATR + PD-1

Phase 1

Phase 2

RP2D, PFS, OS

Recruiting

[110]

NCT04266912

Solid Tumors

Berzosertib

Avelumab

ATR + PD-L1

Phase 1

Phase 2

AEs, DLTs, MTD, CBR, RR, PFS, OS

Recruiting

[75]

NCT05061134

Melanoma

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

ORR, DOR, TTR, PFS

Recruiting

[111]

NCT03334617

NSCLC

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

ORR, DCR, DOR, PFS, OS

Recruiting

[75]

NCT04298008

Biliary Tract Cancer

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

DCR, ORR, PFS, OS, DOR

Recruiting

[112]

NCT03780608

Gastric Adenocarcinoma and Malignant Melanoma

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

ORR

Active, not recruiting

[16]

NCT03833440

NSCLC

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

DCR, ORR, PFS, OS, DOR

Recruiting

[16]

NCT02664935

NSCLC

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 2

OR, PFS, DCB

Active, not recruiting

[44]

NCT02264678

Solid Tumors

Ceralasertib

Durvalumab

ATR + PD-L1

Phase 1

Phase 2

Safety and Tolerability, Cmax, Tmax

Recruiting

[75]

NCT04095273

Solid Tumors

Elimusertib

Pembrolizumab

ATR + PD-1

Phase 1

TEAEs, DLTs, RP2D

Recruiting

[110]

NCT03495323

Advanced Solid Tumors

Prexasertib

LY3300054

CHK1 + PD-L1

Phase 1

Toxicity

Completed

[113]

NCT02546661

Bladder Cancer

Adavosertib

Durvalumab

WEE1 + PD-L1

Phase 1

AEs, ORR, DCR, PFS, OS, DOR

Active, not recruiting

[114]

NCT02617277

Solid Tumors

Adavosertib

Durvalumab

WEE1 + PD-L1

Phase 1

DLTs, TEAEs, ORR, PFS

Active, not recruiting

[51]

  1. AE Adverse event, bOR Best objective response, BOR Best overall response, CBR Clinical benefit rate (CBR = CR + PR + SD), Cmax Maximum observed plasma concentration, CRS Chemotherapy response score, DC Disease control, DCB Durable clinical benefit, DCR Disease control rate, DLT Dose limiting toxicity, DOR Duration of response, DRR Durable response rate, irOR Immune-related overall response, irORR Immune-related overall response rate, irPFS Immune-related progression free survival, mCRPC Metastatic castration-resistant prostate cancer, MMR Mismatch repair, MRGB MRI-guided biopsy, MTD Maximum tolerated dose, mTNBC Metastatic triple-negative breast cancer, NSCLC Non-small cell lung cancer, OR Objective response, ORR Overall response rate, OS Overall survival, pCR Pathologic complete response, pCRR Pathological complete response rate, PFS Progression-free survival, PSA Prostate-specific antigen, rPFS Radiographic progression-free survival, RP2D Recommended phase II dose, RR Response rate, RR-PSA Prostate-specific antigen response rate, SCLC Small cell lung cancer, TEAEs Treatment emergent adverse events, TFST Time to initiation of the first subsequent anticancer therapy, TILs Tumor-infiltrating lymphocytes, Tmax Time to observed Cmax, TNBC Triple-negative breast cancer, TTNT Time to next treatment, TTP Time to progression, TTR Time to tumor response, TTST Time to subsequent treatment