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Gene Symbol ATM
Synonyms AT1 | ATA | ATC | ATD | ATDC | ATE | TEL1 | TELO1
Gene Description ATM, ATM serine/threonine kinase, is a member of the serine-threonine kinase family and coordinates cellular responses to DNA damage through activation of distinct DNA repair and signaling pathways (PMID: 22079189). ATM germline mutations are associated with ataxia telangiectasia (PMID: 27283171) and ATM somatic mutations are commonly observed in endometrial, colon, pancreatic, breast cancers (PMID: 27283171, PMID: 27413114) and urothelial cancer (PMID: 29682192).

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ATM inact mut lymphoid leukemia sensitive Olaparib Preclinical - Patient cell culture Actionable In a preclinical study, lymphoblastoid cell lines with ATM inactivation derived from ataxia-telangiectasia patients demonstrated increased sensitivity to Lynparza (olaparib) in culture, compared to ATM wild-type cell lines (PMID: 20739657). 20739657
ATM dec exp breast cancer sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, knockdown of ATM expression sensitized breast cancer cells to treatment with Talzenna (talazoparib) in culture (PMID: 23881923). 23881923
ATM mutant prostate cancer sensitive Olaparib Phase II Actionable In a Phase II clinical trial, 80% (4/5) of metastatic castration-resistant prostate cancer patients with ATM truncation mutations demonstrated response to Lynparza (olaparib) treatment (Cancer Res August 1, 2015 75:CT322). detail...
ATM inact mut prostate cancer sensitive Olaparib Phase II Actionable In a Phase II trial (TOPARP-B), Lynparza (olaparib) treatment resulted in a composite overall response rate of 36.8% (7/19) and a RECIST objective response rate of 8.3% (1/12) in patients with castration-resistant prostate cancer harboring deleterious ATM mutations (PMID: 31806540; NCT01682772). 31806540
ATM inact mut prostate cancer sensitive Olaparib FDA approved - On Companion Diagnostic Actionable In a Phase III trial (PROfound) that supported FDA approval, Lynparza (olaparib) improved progression-free survival (7.4 vs 3.6 mo, HR 0.34, p<0.001), objective response rate (33% vs 2%, OR 20.86, p<0.001), and median overall survival (18.5 vs 15.1 mo, HR 0.64, p=0.02) compared to control in metastatic castration-resistant prostate cancer patients harboring deleterious or suspected deleterious BRCA or ATM mutations, HR for progression or death was 1.04 in ATM-mutant patients (PMID: 32343890; NCT02987543). detail... 32343890 detail...
ATM inact mut prostate cancer sensitive Olaparib Guideline Actionable Lynparza (olaparib) is included in guidelines as second-line therapy post androgen receptor-directed therapy for patients with metastatic castration-resistant prostate cancer harboring pathogenic mutations in ATM (NCCN.org). detail...
ATM loss lung non-small cell carcinoma sensitive Ceralasertib + Cisplatin Preclinical Actionable In a preclinical study, AZD6738 and Platinol (cisplatin) synergistically induced cell death in ATM-deficient non-small cell lung carcinoma cell lines in culture, and caused rapid tumor regression in xenograft models (PMID: 26517239). 26517239
ATM loss chronic lymphocytic leukemia sensitive AZD6482 Preclinical Actionable In a preclinical study, AZD6482 induced cell death in ATM-deficient chronic lymphocytic leukemia cells in culture and inhibited tumor growth in xenograft models (PMID: 26563132). 26563132
ATM loss chronic lymphocytic leukemia sensitive Ceralasertib + Ibrutinib Preclinical Actionable In a preclinical study, AZD6738 sensitized ATM-deficient chronic lymphocytic leukemia cells to Imbruvica (Ibrutinib) treatment in culture (PMID: 26563132). 26563132
ATM loss Advanced Solid Tumor sensitive YU238259 Preclinical Actionable In a preclinical study, YU238259 demonstrated increased cytotoxicity in ATM-deficient transformed human cell lines in culture (PMID: 26116172). 26116172
ATM inact mut Advanced Solid Tumor sensitive E7449 Preclinical Actionable In a preclinical study, E7449 inhibited proliferation of a ATM-deficient cell line in culture, which demonstrated increased sensitivity compared to cells without DNA repair pathway mutations (PMID: 26513298). 26513298
ATM loss colorectal cancer sensitive Berzosertib Phase I Actionable In a Phase I trial, Berzosertib (VX-970) treatment resulted in complete response for more than 19 months in a colorectal cancer patient harboring ATM loss (J Clin Oncol 34, 2016 (suppl; abstr 2504)). detail...
ATM inact mut mantle cell lymphoma sensitive Olaparib Preclinical - Cell line xenograft Actionable In a preclinical study, a mantle cell lymphoma cell line with ATM inactivation demonstrated sensitivity to Lynparza (olaparib) in culture and in xenograft models (PMID: 20739657). 20739657
ATM inact mut chronic lymphocytic leukemia sensitive Olaparib Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived chronic lymphocytic leukemia cells with inactivating mutations in ATM, that had been induced to proliferate in culture, demonstrated increased sensitivity to growth inhibition by Lynparza (olaparib) compared to ATM wild-type cells (PMID: 20739657). 20739657
ATM inact mut mantle cell lymphoma sensitive Bendamustine + Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) sensitized a mantle cell lymphoma cell line harboring an ATM inactivating mutation to Treanda (bendamustine) in cell culture, resulting in growth inhibition (PMID: 20739657). 20739657
ATM inact mut mantle cell lymphoma sensitive Olaparib + Valproic acid Preclinical - Cell culture Actionable In a preclinical study, the combination of Lynparza (olaparib) and valproic acid worked synergistically to inhibit growth of a mantle cell lymphoma cell line harboring an ATM inactivating mutation in culture (PMID: 20739657). 20739657
ATM inact mut mantle cell lymphoma sensitive Fludarabine + Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) sensitized a mantle cell lymphoma cell line harboring an ATM inactivating mutation to Fludara (fludarabine) in cell culture, resulting in decreased cell survival (PMID: 20739657). 20739657
ATM dec exp stomach cancer sensitive Veliparib Preclinical - Cell line xenograft Actionable In a preclinical study, knockdown of ATM in a gastric cancer cell line resulted in increased sensitivity to Veliparib (ABT-888) in culture and in xenograft models (PMID: 27638859). 27638859
ATM inact mut Advanced Solid Tumor sensitive Veliparib Preclinical - Cell culture Actionable In a preclinical study, an ATM-deficient cell line demonstrated increased sensitivity to Veliparib (ABT-888) compared to an ATM-reconstituted cell line, in culture (PMID: 21300883). 21300883
ATM dec exp stomach cancer predicted - sensitive Olaparib + Paclitaxel Phase II Actionable In a Phase II trial, addition of Lynparza (olaparib) to Taxol (paclitaxel) did not significantly improve progression free survival (5.29 vs 3.68 months) compared to Taxol alone, but did significantly prolong overall survival (HR = 0.35) in metastatic gastric cancer patients with decreased Atm expression (PMID: 26282658; NCT01063517). 26282658
ATM over exp stomach cancer decreased response Veliparib Preclinical - Cell culture Actionable In a preclinical study, high ATM expression was associated with decreased response to Veliparib (ABT-888) in gastric cancer cell lines in culture (PMID: 27638859). 27638859
ATM over exp stomach cancer sensitive Irinotecan + Veliparib Preclinical - Cell line xenograft Actionable In a preclinical study, the combination of Camptosar (irinotecan) and Veliparib (ABT-888) demonstrated synergy in gastric cancer cell lines with high ATM expression, resulting in increased apoptosis in culture, and enhanced tumor growth inhibition in cell line xenograft models (PMID: 27638859). 27638859
ATM over exp stomach cancer decreased response Irinotecan Preclinical - Cell culture Actionable In a preclinical study, high ATM expression was associated with decreased response to Camptosaur (irinotecan) in gastric cancer cell lines in culture (PMID: 27638859). 27638859
ATM L804fs ATM S978fs RET M918T medullary thyroid carcinoma predicted - sensitive Everolimus + Vandetanib Case Reports/Case Series Actionable In a clinical case study, addition of Afinitor (everolimus) to Caprelsa (vandetanib) treatment resulted in significant tumor reduction in a medullary thyroid carcinoma patient harboring ATM L804fs*4, ATM S978fs*12, and RET M918T, that achieved prolonged stable disease on Caprelsa (vandetanib) treatment alone (PMID: 27683183). 27683183
ATM del ATR dec exp Advanced Solid Tumor decreased response PJ34 Preclinical - Cell culture Actionable In a preclinical study, ATM-null transformed cells with decreased Atr expression demonstrated decreased sensitivity to PJ34 in culture (PMID: 21840268). 21840268
ATM mut NRAS Q61R melanoma predicted - sensitive Binimetinib Case Reports/Case Series Actionable In a clinical case study, a melanoma patient harboring an ATM mutation and NRAS Q61R demonstrated a partial response and 16 month progression free survival when treated with Binimetinib (MEK162) (PMID: 28514312). 28514312
ATM loss head and neck cancer predicted - sensitive Ceralasertib + Olaparib Preclinical - Cell culture Actionable In a preclinical study, the combination of AZD6738 and Lynparza (olaparib) resulted in a synergistic effect, demonstrating cell death in head and neck cancer cells harboring ATM loss in culture (Mol Cancer Ther 2015;14(12 Suppl 2):Abstract nr C60). detail...
ATM negative stomach cancer no benefit Olaparib + Paclitaxel Phase III Actionable In a Phase III trial (GOLD), addition of Lynparza (olaparib) to Taxol (paclitaxel) did not significantly improve overall survival (12.0 vs 10.0 months, HR=0.73, p=0.25) compared to Taxol (paclitaxel) alone in Asian patients with ATM-negative gastric cancer (PMID: 29103871; NCT01924533). 29103871
ATM positive glioblastoma sensitive AZD1390 Preclinical - Cell line xenograft Actionable In a preclinical study, AZD1390 inhibited Atm activity, sensitized glioblastoma cell lines to radiotherapy in culture, and demonstrated efficacy in mouse models of glioblastoma (Mol Cancer Ther 2018;17(1 Suppl):Abstract nr A104). detail...
ATM positive lung cancer sensitive AZD1390 Preclinical - Cell line xenograft Actionable In a preclinical study, AZD1390 inhibited Atm activity, sensitized lung cancer cells to radiotherapy in culture, and demonstrated efficacy in cell line xenograft models (Mol Cancer Ther 2018;17(1 Suppl):Abstract nr A104). detail...
ATM T1200Lfs*7 NRAS Q61K TP53 R213* sarcoma predicted - resistant Olaparib Case Reports/Case Series Actionable In a clinical case study, Lynparza (olaparib) treatment resulted in rapid disease progression in a patient with high-grade sarcoma harboring ATM T1200Lfs*7, NRAS Q61K, and TP53 R213* (PMID: 29304353). 29304353
ATM L1449* prostate adenocarcinoma predicted - sensitive Olaparib Case Reports/Case Series Actionable In a clinical case study, Lynparza (olaparib) treatment resulted in stable disease for more than 6 months in a patient with prostate adenocarcinoma harboring ATM L1449*, amplification of AR, MYC, BCL9, MCL1, MDM4, RPS6KB1, APEX1, PNP, ATP11B, and DCUN1D1, and a TMPRSS2-ERG fusion (PMID: 29304353). 29304353
ATM mutant mantle cell lymphoma predicted - sensitive Ibrutinib + Venetoclax Phase II Actionable In a Phase II trial (AIM), distinct molecular profiles were identified in mantle cell lymphoma patients responded to Imbruvica (ibrutinib) and Venclexta (venetoclax) combination therapy compared to those did not respond, with all patients harboring mutations in NSD2 (n=4), UBR5 (n=3), KMT2D (n=3), and 12 of 13 patients harboring mutations in ATM responded to the therapy, while SMARCA4 (n=4), CCND1 (n=2), and NOTCH1 (n=3) alterations were exclusively observed in nonresponders (PMID: 30455436; NCT02471391). 30455436
ATM negative Advanced Solid Tumor predicted - sensitive Elimusertib Phase I Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment was tolerated and resulted in an objective response rate of 36.4% (4/11, all partial responses) and a disease control rate of 63.6% (7/11) in patients with advanced solid tumors harboring ATM inactivating mutations and/or ATM protein expression loss (PMID: 32988960; NCT03188965). 32988960
ATM inact mut Advanced Solid Tumor predicted - sensitive Elimusertib Phase I Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment was tolerated and resulted in an objective response rate of 36.4% (4/11, all partial responses) and a disease control rate of 63.6% (7/11) in patients with advanced solid tumors harboring ATM inactivating mutations and/or ATM protein expression loss (PMID: 32988960; NCT03188965). 32988960
ATM P960H neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm P960H, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM S1455R neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm S1455R, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM V1841I neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm V1841I, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM L1874F neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm L1874F, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM H2038Y neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm H2038Y, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM K2749I neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm K2749I, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM A59S neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm A59S, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM P604S neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm P604S, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM V519I neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm V519I, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM S824F neuroblastoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm S824F, resulted in decreased cell viability as compared to cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM L1956H neuroblastoma no benefit Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of neuroblastoma cells in culture, transfected with Atm L1956H, resulted in similar cell viability levels as cells carrying wild-type Atm (PMID: 29059438). 29059438
ATM R2691C neuroblastoma no benefit Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment of transformed neuroblastoma cells expressing ATM R2691C resulted in similar cell viability levels to wild-type Atm in culture (PMID: 29059438). 29059438
ATM mutant prostate cancer not applicable N/A Guideline Risk Factor Germline ATM mutations are associated with increased risk of developing prostate cancer (NCCN.org). detail...
ATM D2725G lung small cell carcinoma predicted - sensitive Temozolomide + Veliparib Case Reports/Case Series Actionable In a Phase II trial, Temodar (temozolomide) and Veliparib (ABT-888) combination treatment resulted in partial response in a patient with small cell lung cancer harboring ATM D2725G, with a progression-free survival of 9 months and an overall survival of 16 months (PMID: 29906251; NCT01638546). 29906251
ATM S333F lung small cell carcinoma predicted - sensitive Temozolomide + Veliparib Case Reports/Case Series Actionable In a Phase II trial, Temodar (temozolomide) and Veliparib (ABT-888) combination treatment resulted stable disease in a patient with small cell lung cancer harboring ATM S333F, with a progression-free survival of 4.2 months and an overall survival of 4.2 months (PMID: 29906251; NCT01638546). 29906251
ATM V410A lung small cell carcinoma predicted - sensitive Temozolomide + Veliparib Case Reports/Case Series Actionable In a Phase II trial, Temodar (temozolomide) and Veliparib (ABT-888) combination treatment resulted stable disease in a patient with small cell lung cancer harboring ATM V410A, with a progression-free survival of 6.3 months and an overall survival of 6.3 months (PMID: 29906251; NCT01638546). 29906251
ATM del head and neck cancer sensitive AZD7648 + Olaparib Preclinical - Cell line xenograft Actionable In a preclinical study, AZD7648 treatment increased sensitivity to Lynparza (olaparib), resulting in inhibition of Dna-pk phosphorylation, reduced cell viability, genomic instability, cell cycle arrest, and apoptosis in a head and neck cancer cell line with ATM deletion in culture, and inhibition of tumor growth and complete tumor regression in a cell line xenograft model (PMID: 31699977). 31699977
ATM del head and neck cancer sensitive AZD7648 Preclinical - Cell culture Actionable In a preclinical study, AZD7648 treatment induced genomic instability, cell cycle arrest, and inhibited viability of an ATM knockout head and neck cancer cell line in culture (PMID: 31699977). 31699977
ATM del head and neck cancer sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment induced genomic instability, cell cycle arrest, and inhibited viability of an ATM knockout head and neck cancer cell line in culture (PMID: 31699977). 31699977
ATM del lung non-small cell carcinoma sensitive AZD7648 + Olaparib Preclinical - Cell culture Actionable In a preclinical study, AZD7648 treatment increased sensitivity to Lynparza (olaparib), inducing cell cycle arrest and inhibiting viability of ATM knockout non-small cell lung carcinoma cells in culture (PMID: 31699977). 31699977
ATM del lung non-small cell carcinoma sensitive AZD7648 Preclinical - Cell culture Actionable In a preclinical study, AZD7648 treatment inhibited viability of ATM knockout non-small cell lung carcinoma cells in culture (PMID: 31699977). 31699977
ATM del lung non-small cell carcinoma sensitive Olaparib Preclinical - Cell culture Actionable In a preclinical study, Lynparza (olaparib) treatment inhibited viability of ATM knockout non-small cell lung carcinoma cells in culture (PMID: 31699977). 31699977
ATM inact mut prostate cancer no benefit Rucaparib Phase II Actionable In a Phase II trial (TRITON2), activity of Rubraca (rucaparib) was limited in the cohort of patients with metastatic castrate-resistant prostate cancer harboring an ATM mutation presumed to be inactivating, with a radiographic response rate of 10.5% (2/19, including 1 patient with co-occurring CHEK2 alteration) and PSA response rate of 4.1% (2/49), and no radiographic responses in 11 patients with biallelic alterations in ATM or 11 patients with germline ATM alterations (PMID: 32086346; NCT02952534). 32086346
ATM inact mut prostate cancer no benefit Rucaparib Phase III Actionable In a Phase III trial (TRITON3), Rubraca (rucaparib) treatment demonstrated limited efficacy compared to control treatment with Taxotere (docetaxel) in patients with metastatic castration-resistant prostate cancer harboring deleterious ATM mutations, with a median imaging-based progression-free survival of 8.1 months vs. 6.8 months (HR=0.95), a median overall survival of 21.1 months vs. 21.7 months of patients (PMID: 36795891; NCT02975934). 36795891
ATM del prostate cancer sensitive Berzosertib Preclinical - Cell culture Actionable In a preclinical study, ATM-deficient prostate cancer cell lines were sensitive to treatment with Berzosertib (VX-970) in culture, demonstrating inhibition of cell growth (PMID: 32127357). 32127357
ATM del prostate cancer no benefit Olaparib Preclinical - Cell culture Actionable In a preclinical study, ATM-deficient prostate cancer cell lines did not respond to treatment with Lynparza (olaparib) in culture (PMID: 32127357). 32127357
ATM del prostate cancer no benefit Rucaparib Preclinical - Cell culture Actionable In a preclinical study, ATM-deficient prostate cancer cell lines did not respond to treatment with Rubraca (rucaparib) in culture (PMID: 32127357). 32127357
ATM R3008C pancreatic ductal adenocarcinoma no benefit Fluorouracil + Oxaliplatin + Veliparib Case Reports/Case Series Actionable In a Phase I/II trial, Veliparib (ABT-888) in combination with Adrucil (fluorouracil) and Eloxatin (oxaliplatin) did not result in a clinical response in a patient with metastatic pancreatic ductal adenocarcinoma harboring ATM R3008C (PMID: 32669374; NCT01489865). 32669374
ATM T2333Nfs*40 pancreatic ductal adenocarcinoma no benefit Fluorouracil + Oxaliplatin + Veliparib Case Reports/Case Series Actionable In a Phase I/II trial, Veliparib (ABT-888) in combination with Adrucil (fluorouracil) and Eloxatin (oxaliplatin) did not result in a clinical response in a patient with metastatic pancreatic ductal adenocarcinoma harboring ATM T2333Nfs*40 (reported as c.6997dupA) (PMID: 32669374; NCT01489865). 32669374
ATM inact mut Advanced Solid Tumor predicted - sensitive Radiotherapy Clinical Study Actionable In a clinical study, treatment with radiotherapy resulted in greater therapeutic efficacy in advanced solid tumor patients harboring an ATM inactivating mutation (n=177) compared to those who harbored an ATM variant of unknown significance (n=180), demonstrating a significantly decreased 2-year cumulative incidence of irradiated progression, 13.2% versus 27.5% (p=0.001), respectively, and the greatest clinical benefit was observed in tumors with bi-allelic ATM inactivating mutations (PMID: 32726432). 32726432
ATM negative collecting duct carcinoma predicted - sensitive Elimusertib Case Reports/Case Series Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment resulted in a partial response with a 69% decrease in tumor size in a patient with renal collecting duct carcinoma harboring ATM protein loss, treatment was ongoing at 385 days (PMID: 32988960; NCT03188965). 32988960
ATM I2629fs ATM neg endometrial clear cell adenocarcinoma predicted - sensitive Elimusertib Case Reports/Case Series Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment resulted in a partial response with a 53% decrease in tumor size in a patient with clear cell endometrial cancer harboring ATM I2629fs with ATM protein loss, treatment was ongoing at 433 days (PMID: 32988960; NCT03188965). 32988960
ATM T2333fs ATM neg Her2-receptor negative breast cancer predicted - sensitive Elimusertib Case Reports/Case Series Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment resulted in a partial response with a 54% decrease in tumor size in a patient with heavily treated, hormone receptor-positive, ERBB2 (HER2)-negative breast cancer harboring ATM T2333fs and ATM protein loss, who remained on treatment for 349 days (PMID: 32988960; NCT03188965). 32988960
ATM V1268fs appendix cancer predicted - sensitive Elimusertib Case Reports/Case Series Actionable In a Phase I trial, Elimusertib (BAY1895344) treatment resulted in a partial response with a 35% decrease in tumor size in a patient with appendix cancer harboring ATM V1268fs, treatment was ongoing at 472 days (PMID: 32988960; NCT03188965). 32988960
ATM mutant breast cancer no benefit Olaparib Case Reports/Case Series Actionable In a Phase II trial (TBCRC 048), Lynparza (olaparib) treatment did not result in an objective response in 4 patients with metastatic breast cancer harboring only germline mutations in ATM (PMID: 33119476; NCT03344965). 33119476
ATM inact mut Advanced Solid Tumor predicted - sensitive Ceralasertib + Olaparib Case Reports/Case Series Actionable In a Phase II trial (OLAPCO), Ceralasertib (AZD6738) and Lynparza (olaparib) combination treatment resulted in an overall response rate of 20% (1/5) and a clinical benefit rate of 40% (2/5) in patients with advanced solid tumors harboring ATM inactivating mutations, including a durable complete response in a patient with breast cancer and a durable stable disease in a patient with adenoid cystic carcinoma of minor salivary gland (PMID: 34527850; NCT02576444). 34527850
ATM P1069fs ATM LOH salivary gland adenoid cystic carcinoma predicted - sensitive Ceralasertib + Olaparib Case Reports/Case Series Actionable In a Phase II trial (OLAPCO), Ceralasertib (AZD6738) and Lynparza (olaparib) combination treatment resulted in an ongoing 22% reduction in target lesions in a patient with adenoid cystic carcinoma of minor salivary gland harboring germline ATM P1069fs with accompanying loss of heterozygosity (LOH), who remained on treatment for over 26 months (PMID: 34527850; NCT02576444). 34527850
ATM LOH ATM inact mut estrogen-receptor positive breast cancer predicted - sensitive Ceralasertib + Olaparib Case Reports/Case Series Actionable In a Phase II trial (OLAPCO), Ceralasertib (AZD6738) and Lynparza (olaparib) combination treatment resulted in an ongoing complete response for over 26 months in a patient with estrogen receptor-positive metastatic breast cancer harboring germline ATM mutation with accompanying loss of heterozygosity (LOH) (PMID: 34527850; NCT02576444). 34527850
ATM S1905Ifs*25 gallbladder carcinoma predicted - sensitive Olaparib Case Reports/Case Series Actionable In a clinical case study, treatment with Lynparza (olaparib) resulted in improved clinical symptoms and progression-free survival of 13 months in a patient with gallbladder carcinoma harboring ATM S1905Ifs*25 (PMID: 32045060). 32045060
ATM I1294Nfs*8 ATM E2977Rfs*2 colorectal adenocarcinoma predicted - sensitive Irinotecan + Olaparib Case Reports/Case Series Actionable In a clinical case study, Lynparza (olaparib) and Camptosar (irinotecan) combination treatment resulted in decreased tumor markers and stable disease in the primary and metastatic tumors in a heavily pretreated patient with metastatic colorectal adenocarcinoma harboring ATM E2977Rfs*2, ATM I1294Nfs*8, and KRAS G13D, lasting at least 4 months (PMID: 35004311). 35004311
ATM R3008H esophagus small cell carcinoma predicted - sensitive Etoposide + Olaparib Case Reports/Case Series Actionable In a clinical case study, the combination of Lynparza (olaparib) and Vepesid (etoposide) resulted in a partial response and 5.9 months of progression-free survival in a patient with small cell esophageal carcinoma harboring ATM R3008H (PMID: 35480123). 35480123
ATM negative stomach cancer predicted - sensitive Ceralasertib + Durvalumab Phase II Actionable In a Phase II trial, Ceralasertib (AZD6738) and Imfinzi (durvalumab) combination therapy resulted in an overall response rate of 22.6% (7/31, all partial responses), disease control rate of 58.1%, and median progression-free survival (mPFS) of 3.0 mo in advanced gastric cancer patients, with improved mPFS (5.60 vs 1.65 mo; HR 0.13, p<0.001) in patients with ATM protein loss and/or homologous repair deficiency (HRD) compared to those with intact ATM expression or HR proficiency (PMID: 35790315; NCT03780608). 35790315
ATM R1882* ATM R3008H pancreatic cancer predicted - sensitive Berzosertib + Irinotecan Case Reports/Case Series Actionable In a Phase I trial, the combination of Berzosertib (VX-970) and Camptosar (irinotecan) was tolerated in patients with advanced solid tumors, and resulted in a partial response that was ongoing at 11 months in a pancreatic cancer patient harboring ATM R3008H and germline ATM R1882* (J Clin Oncol 40, 2022 (suppl 16; abstr 3012); NCT02595931). detail...
ATM S214fs colorectal cancer predicted - sensitive Berzosertib + Irinotecan Case Reports/Case Series Actionable In a Phase I trial, the combination of Berzosertib (VX-970) and Camptosar (irinotecan) was tolerated in patients with advanced solid tumors, and resulted in a 26% tumor decrease lasting 7.5 months in a colorectal cancer patient harboring ATM S214fs (J Clin Oncol 40, 2022 (suppl 16; abstr 3012); NCT02595931). detail...
ATM inact mut Advanced Solid Tumor predicted - sensitive RP-3500 Phase Ib/II Actionable In a Phase I/II trial (TRESR), RP-3500 treatment resulted in an overall response rate (ORR) of 15% (7/46) and clinical benefit rate of 48% (22/46) in advanced solid tumor patients with ATM inactivation, an ORR of 18% (5/28) with germline ATM loss of function (LOF) mutations, and an ORR of 13% (2/15) with somatic ATM LOF mutations, with benefit in patients with non-small cell lung (n=2), bile duct (3/4), colorectal (3/6), and prostate (4/8) cancers (Ann Oncol (2024) 35 (Suppl_2): S496; NCT04497116). detail...
ATM mutant Advanced Solid Tumor conflicting Olaparib Phase II Actionable In a Phase II trial (TAPUR), Lynparza (olaparib) treatment resulted in an objective response rate of 8% and a disease control rate of 25% (9/36, 1 complete response, 2 partial responses, 6 stable disease at 16+ weeks) in patients with advanced solid tumors harboring ATM mutations (Cancer Res 2022;82(12_Suppl):Abstract nr CT110; NCT02693535). detail...
ATM mutant Advanced Solid Tumor conflicting Olaparib Phase II Actionable In a Phase II trial, Lynparza (olaparib) treatment did not demonstrate clinical activity in patients with advanced solid tumors harboring ATM (n=13) or CHEK2 (n=14) mutations (Ann Oncol (2023) 34 (suppl_2): S242; NCT03967938). detail...
ATM inact mut transitional cell carcinoma predicted - sensitive Durvalumab + Olaparib Case Reports/Case Series Actionable In a Phase II trial (BAYOU), Lynparza (olaparib) and Imfinzi (durvalumab) improved median progression-free survival (5.6 vs 1.8 mo, HR 0.18) compared to Imfinzi (durvalumab) and placebo in a subgroup of patients with metastatic urothelial carcinoma harboring inactivating mutations in DNA damage repair genes (n=17), with 8.5% of the tumors harboring ATM inactivating mutations (PMID: 35737919; NCT03459846). 35737919
ATM del prostate cancer sensitive PLX038 Preclinical - Cell line xenograft Actionable In a preclinical study, PLX038 resulted in inhibition of tumor growth and increased event-free survival in a cell line xenograft model of prostate cancer harboring ATM deletion (PMID: 35999657). 35999657
ATM del prostate cancer sensitive PLX038 + Talazoparib Preclinical - Cell line xenograft Actionable In a preclinical study, PLX038 and Talzenna (talazoparib) combination treatment resulted in synergistic inhibition of tumor growth and increased event-free survival in a cell line xenograft model of prostate cancer harboring ATM deletion (PMID: 35999657). 35999657
ATM Q1970* breast ductal carcinoma predicted - sensitive PLX038 + Rucaparib Case Reports/Case Series Actionable In a clinical trial, PLX038 and Rubraca (rucaparib) combination treatment resulted in a complete response within the first treatment cycle, followed by PLX038 monotherapy, which resulted in maintenance of tumor suppression for a total of 12 months in a patient with metastatic breast ductal carcinoma harboring germline ATM Q1970* (PMID: 35999657; NCT04209595). 35999657
ATM inact mut Advanced Solid Tumor no benefit Avelumab + Talazoparib Phase II Actionable In a Phase II trial (JAVELIN), Talzenna (talazoparib) and Bavencio (avelumab) combination therapy did not meet the prespecified futility requirement with a confirmed objective response rate of 4.9% (2/41, 2 partial responses) in patients with advanced solid tumors harboring ATM inactivating mutations, and subsequently, enrollment to the cohort was discontinued (PMID: 36394867; NCT03565991). 36394867
ATM Q628Pfs*7 ATM I1581Nfs*5 ATM A2843V colon adenocarcinoma sensitive RP-3500 Preclinical - Cell line xenograft Actionable In a preclinical study, RP-3500 inhibited viability in a colon adenocarcinoma cell line harboring ATM Q628Pfs*7, ATM I1581Nfs*5, and ATM A2843V in culture, and inhibited tumor growth in a cell line xenograft model (PMID: 34911817). 34911817
ATM Q1919P lung non-small cell carcinoma sensitive RP-3500 Preclinical - Cell culture Actionable In a preclinical study, RP-3500 inhibited viability in a non-small cell lung cancer cell line harboring ATM Q1919P in culture (PMID: 34911817). 34911817
ATM R2832C mantle cell lymphoma sensitive RP-3500 Preclinical - Cell line xenograft Actionable In a preclinical study, RP-3500 inhibited viability in a mantle cell lymphoma cell line harboring ATM R2832C in culture, and inhibited tumor growth in a cell line xenograft model (PMID: 34911817). 34911817
ATM loss stomach cancer sensitive RP-3500 Preclinical - Pdx Actionable In a preclinical study, RP-3500 resulted in complete tumor regression in a gastric cancer patient-derived xenograft (PDX) model with biallelic loss of ATM (PMID: 34911817). 34911817
ATM R2832C mantle cell lymphoma sensitive Niraparib + RP-3500 Preclinical - Cell line xenograft Actionable In a preclinical study, the combination of RP-3500 with Zejula (niraparib) inhibited tumor growth in a mantle cell lymphoma cell line xenograft model harboring ATM R2832C (PMID: 34911817). 34911817
ATM N2875H prostate cancer predicted - sensitive Olaparib Case Reports/Case Series Actionable In a Phase II trial (TOPARP-A), Lynparza (olaparib) treatment resulted in a conversion in the circulating tumor-cell count and an 85% decrease in PSA level in a patient with metastatic castration-resistant prostate cancer harboring ATM N2875H (PMID: 26510020; NCT01682772). 26510020
ATM V2288fs prostate cancer predicted - sensitive Olaparib Case Reports/Case Series Actionable In a Phase II trial (TOPARP-A), Lynparza (olaparib) treatment resulted in a conversion in the circulating tumor-cell count, a 29% decrease in PSA level, and radiologic stable disease in a patient with metastatic castration-resistant prostate cancer harboring ATM V2288fs (PMID: 26510020; NCT01682772). 26510020
ATM R1882* gastroesophageal adenocarcinoma predicted - sensitive Capecitabine + Oxaliplatin Case Reports/Case Series Actionable In a retrospective analysis, treatment with the combination of Xeloda (capecitabine) and Eloxatin (oxaliplatin) resulted in a partial response and a progression-free survival of 12.3 months in a patient with gastroesophageal adenocarcinoma harboring ATM R1882* (PMID: 37129948). 37129948
ATM W1058* ATM S1993fs gastroesophageal adenocarcinoma predicted - sensitive Fluorouracil + Leucovorin + Oxaliplatin Case Reports/Case Series Actionable In a retrospective analysis, treatment with the combination of Adrucil (fluorouracil), Wellcovorin (leucovorin), and Eloxatin (oxaliplatin) resulted in a partial response and a progression-free survival of 7.2 months in a patient with gastroesophageal adenocarcinoma harboring ATM W1058* and S1993fs (PMID: 37129948). 37129948
ATM inact mut prostate cancer sensitive Enzalutamide + Talazoparib FDA approved Actionable In a Phase III trial (TALAPRO-2) that supported FDA approval, Talzenna (talazoparib) plus Xtandi (enzalutamide) improved median radiographic progression-free survival compared to enzalutamide plus placebo (27.9 vs 16.4 mo, HR 0.46, p=0.0003) in patients with metastatic castration-resistant prostate cancer harboring deficient homologous recombination repair genes including ATM, with an HR of 0.66 (p=0.12) in patients with non-BRCA mutations treated with Talzenna (talazoparib) (PMID: 37285865; NCT03395197). detail... 37285865
ATM inact mut prostate cancer sensitive Enzalutamide + Talazoparib Guideline Actionable Talzenna (talazoparib) plus Xtandi (enzalutamide) is included in guidelines as systemic therapy for patients with metastatic castration-resistant prostate cancer harboring a pathogenic germline or somatic ATM mutation who have not been treated in the setting of castration-resistant prostate cancer (NCCN.org). detail...
ATM Q1331H ATM I1441fs lung non-small cell carcinoma predicted - sensitive Radiotherapy Case Reports/Case Series Actionable In a retrospective analysis, radiotherapy treatment resulted in 3.1 months of local disease control and no in-field recurrence in a patient with non-small cell lung cancer harboring ATM I1441fs and Q1331H (PMID: 28055970). 28055970
ATM R1875* colon cancer predicted - sensitive Radiotherapy Case Reports/Case Series Actionable In a retrospective analysis, radiotherapy treatment resulted in 3.8 months of local disease control and no in-field recurrence in a patient with colon cancer harboring ATM R1875* (PMID: 28055970). 28055970
ATM R1898* colon cancer predicted - sensitive Radiotherapy Case Reports/Case Series Actionable In a retrospective analysis, radiotherapy treatment resulted in 3.9 months of local disease control and no in-field recurrence in a patient with colon cancer harboring ATM R1898* (PMID: 28055970). 28055970
ATM L2738* thyroid cancer predicted - sensitive Radiotherapy Case Reports/Case Series Actionable In a retrospective analysis, radiotherapy treatment resulted in 5.16 months of local disease control and no in-field recurrence in a patient with thyroid cancer harboring ATM L2738* (PMID: 28055970). 28055970
ATM I1453fs tongue squamous cell carcinoma predicted - sensitive Radiotherapy Case Reports/Case Series Actionable In a retrospective analysis, radiotherapy treatment resulted in a complete metabolic response lasting at least 34 months in a patient with squamous cell carcinoma of the tongue, and the patient was found to harbor ATM I1453fs (PMID: 28055970). 28055970
ATM R3008H prostate cancer predicted - sensitive RP-3500 Case Reports/Case Series Actionable In a Phase I/II trial (TRESR), RP-3500 treatment resulted in a 29% tumor reduction in a castration-resistant prostate cancer patient harboring ATM R3008H, who remained on treatment for more than 61 weeks (PMID: 37277454; NCT04497116). 37277454
ATM inact mut Advanced Solid Tumor no benefit Ipilimumab + Nivolumab Phase II Actionable In a Phase II trial (TAPUR), Opdivo (nivolumab) and Yervoy (ipilimumab) combination treatment did not meet predetermined efficacy criteria in patients with advanced solid tumors harboring ATM mutations, resulting in an objective response rate of 14% (4/29, 1 complete and 3 partial responses), a disease control rate of 24% (7/29), with stable disease of at least 16 weeks in 3 patients, a median progression-free survival of 9 weeks, and median overall survival of 28 weeks (PMID: 38039429; NCT02693535). 38039429
ATM loss triple-receptor negative breast cancer predicted - sensitive Ceralasertib + Olaparib Phase II Actionable In a Phase II trial (plasmaMATCH), treatment with the combination of Lynparza (olaparib) and Ceralasertib (AZD6738) resulted in limited efficacy in patients with advanced triple-negative breast cancer, with an objective response rate of 17.1% (12/70), but in patients with wild-type BRCA1/2 and ATM loss, resulted in a median progression-free survival of 3.4 vs 2.5 mo and response rate of 21.4 (3/14) vs 13.8% (4/29) in patients without loss of ATM (PMID: 37773077; NCT03182634). 37773077
ATM inact mut lung non-small cell carcinoma predicted - sensitive Ceralasertib + Durvalumab Phase II Actionable In a Phase II trial (HUDSON), treatment with the combination of Imfinzi (durvalumab) and Ceralasertib (AZD6738) demonstrated efficacy in patients with advanced non-small cell lung cancer harboring inactivating ATM mutations, with an objective response rate of 26.1% (6/23, all partial responses), a median progression-free survival of 8.4 months, and a median overall survival of 22.8 months (PMID: 38351187; NCT03334617). 38351187
ATM del breast cancer predicted - sensitive Radiotherapy + RP-3500 Preclinical Actionable In a preclinical study, RP-3500 and radiotherapy synergistically inhibited growth of an ATM knockout mouse breast cancer cell line in culture, delayed tumor growth (p<0.001), and improved survival (20% vs 0% alive at 150 days) in a mouse syngeneic model (Cancer Res (2024) 84 (1_Supplement): A002). detail...
ATM del colon cancer predicted - sensitive Radiotherapy + RP-3500 Preclinical Actionable In a preclinical study, RP-3500 and radiotherapy synergistically inhibited growth of an ATM knockout mouse colon cancer cell line in culture and improved survival in a mouse syngeneic model, with complete responses achieved in 7 out of 8 ATM knockout mice compared to 1 out of 8 ATM wild-type mice (Cancer Res (2024) 84 (1_Supplement): A002). detail...
ATM inact mut Advanced Solid Tumor predicted - sensitive Radiotherapy + RP-3500 Case Reports/Case Series Actionable In a Phase I trial, the addition of RP-3500 to radiotherapy treatment resulted in metabolic complete responses in two patients with advanced solid tumors harboring ATM inactivating mutations (Cancer Res (2024) 84 (1_Supplement): A002, NCT05566574). detail...
ATM E473* ATM loss lung adenocarcinoma sensitive ART0380 Preclinical - Pdx Actionable In a preclinical study, ART0380 induced tumor regression in a lung adenocarcinoma patient-derived xenograft (PDX) model harboring ATM E473* with loss of Atm expression (PMID: 38416404). 38416404
ATM S214Ffs*40 ATM loss colorectal cancer sensitive ART0380 Preclinical - Pdx Actionable In a preclinical study, ART0380 inhibited tumor growth in a colorectal cancer patient-derived xenograft (PDX) model harboring ATM S214Ffs*40 with loss of Atm expression (PMID: 38416404). 38416404
ATM S214Pfs*16 colorectal cancer sensitive ART0380 Preclinical - Pdx Actionable In a preclinical study, ART0380 inhibited tumor growth in a colorectal cancer patient-derived xenograft (PDX) model harboring ATM S214Pfs*16 (PMID: 38416404). 38416404
ATM M779I colorectal cancer sensitive ART0380 Preclinical - Pdx Actionable In a preclinical study, ART0380 inhibited tumor growth in a colorectal cancer patient-derived xenograft (PDX) model harboring ATM M779I (PMID: 38416404). 38416404
ATM dec exp ATM inact mut mantle cell lymphoma predicted - sensitive ART0380 Preclinical - Cell line xenograft Actionable In a preclinical study, ART0380 inhibited cell growth of a mantle cell lymphoma cell line with an inactivating ATM mutation and decreased Atm expression in culture and inhibited tumor growth in a cell line xenograft model (PMID: 38416404). 38416404
ATM inact mut Advanced Solid Tumor no benefit Ceralasertib Phase II Actionable In a Phase IIa trial (PLANETTE), Ceralasertib (AZD6738) treatment demonstrated manageable safety but limited efficacy in patients with advanced solid tumors excluding non-small cell lung cancer harboring ATM mutations and/or loss of ATM protein expression (n=30), resulting in an objective response rate of 7.1% (2/28, 1 complete and 1 partial response) (Cancer Res (2024) 84 (7_Supplement): CT222; NCT04564027). detail...
ATM inact mut prostate cancer no benefit Ceralasertib Phase II Actionable In a Phase IIa trial (PLANETTE), Ceralasertib (AZD6738) treatment demonstrated manageable safety but limited efficacy in patients with metastatic castration-resistant prostate cancer harboring ATM mutations and/or ATM loss (n=15), with a composite response rate of 7.7% (1/13) in patients with confirmed ATM mutations (Cancer Res (2024) 84 (7_Supplement): CT222; NCT04564027). detail...
ATM negative prostate cancer no benefit Ceralasertib Phase II Actionable In a Phase IIa trial (PLANETTE), Ceralasertib (AZD6738) treatment demonstrated manageable safety but limited efficacy in patients with metastatic castration-resistant prostate cancer harboring ATM mutations and/or loss of ATM protein expression (n=15), resulting in a composite response rate of 7.7% (1/13) (Cancer Res (2024) 84 (7_Supplement): CT222; NCT04564027). detail...
ATM negative Advanced Solid Tumor no benefit Ceralasertib Phase II Actionable In a Phase IIa trial (PLANETTE), Ceralasertib (AZD6738) treatment demonstrated manageable safety but limited efficacy in patients with advanced solid tumors excluding non-small cell lung cancer harboring ATM mutations and/or loss of ATM protein expression (n=30), resulting in an objective response rate of 7.1% (2/28, 1 complete and 1 partial response) (Cancer Res (2024) 84 (7_Supplement): CT222; NCT04564027). detail...
ATM mutant breast cancer not applicable N/A Guideline Risk Factor Germline ATM mutations are associated with increased risk of developing breast cancer (NCCN.org). detail...
ATM inact mut prostate cancer no benefit unspecified PARP inhibitor Clinical Study - Meta-analysis Actionable In a combined analysis of 6 clinical trials, PARP inhibitor therapy did not benefit patients with metastatic castration-resistant prostate cancer harboring ATM mutations compared to placebo, with an HR of 1.05 (19 vs 19 mo) for radiographic progression-free survival and 1.18 (33 vs 33 mo) for overall survival when combined with AR pathway inhibitors, and an objective response rate of 7% (5/70) as monotherapy (PMID: 38484203; NCT02987543, NCT03732820, NCT03395197, NCT03748641, NCT02952534, NCT03148795). 38484203
ATM mutant lung non-small cell carcinoma predicted - sensitive M1774 Preclinical - Cell line xenograft Actionable In a preclinical study, M1774 inhibited tumor growth in a cell line xenograft model of non-small cell lung cancer harboring an ATM mutation (PMID: 38407317). 38407317
ATM mutant ovarian cancer not applicable N/A Guideline Risk Factor Germline ATM mutations are associated with increased risk of developing ovarian cancer (NCCN.org). detail...
ATM mutant pancreatic cancer not applicable N/A Guideline Risk Factor Germline ATM mutations are associated with increased risk of developing pancreatic cancer (NCCN.org). detail...
ATM del colorectal cancer sensitive E7820 Preclinical - Cell culture Actionable In a preclinical study, E7820 inhibited viability of a colorectal cancer cell line with knockout of ATM in culture (PMID: 38789724). 38789724
ATM del colorectal cancer sensitive Indisulam Preclinical - Cell culture Actionable In a preclinical study, Indisulam (E7070) inhibited viability of a colorectal cancer cell line with knockout of ATM in culture (PMID: 38789724). 38789724
ATM inact mut Advanced Solid Tumor sensitive Irinotecan + Rucaparib Phase I Actionable In a Phase I trial, Rubraca (rucaparib) and Camptosar (irinotecan) combination therapy was well tolerated and resulted in a clinical benefit rate of 35% (6/17, 2 partial responses, 4 stable diseases over 6 months) in patients with advanced solid tumors harboring BRCA1 (n=3), BRCA2 (n=4), PALB2 (n=1), or ATM (n=11) mutations, including partial responses in a patient with PALB2-mutated peritoneal carcinoma and in a patient with ATM-mutated small bowel carcinoma (PMID: 38865673; NCT03318445). 38865673
ATM S1599* appendix cancer predicted - sensitive Talazoparib Case Reports/Case Series Actionable In a Phase II trial, Talzenna (talazoparib) treatment resulted in a clinical benefit rate (CBR) of 22.8% (18/79, 1 complete and 7 partial responses, 10 with stable disease >/=24 weeks) in patients with advanced solid tumors harboring mutations in DNA damage repair genes, including a partial response lasting 12 weeks in an appendiceal cancer patient harboring ATM S1599* (PMID: 39085400; NCT02286687). 39085400
ATM G1676fs cholangiocarcinoma predicted - sensitive Talazoparib Case Reports/Case Series Actionable In a Phase II trial, Talzenna (talazoparib) treatment resulted in a clinical benefit rate (CBR) of 22.8% (18/79, 1 complete and 7 partial responses, 10 with stable disease >/=24 weeks) in patients with advanced solid tumors harboring mutations in DNA damage repair genes, including a partial response lasting 16 weeks in a cholangiocarcinoma cancer patient harboring ATM G1676fs (PMID: 39085400; NCT02286687). 39085400
ATM inact mut Advanced Solid Tumor predicted - sensitive Durvalumab + Olaparib Case Reports/Case Series Actionable In a Phase II trial, treatment with the combination of Lynparza (olaparib) and Imfinzi (durvalumab) led to a 6-month progression-free survival (PFS) rate of 35%, objective tumor response (OTR) rate of 19% (3/16, all partial responses (PR)), and median PFS of 3.7mo in advanced solid tumor patients harboring BRCA1/2 mutations and a 6-month PFS rate of 38%, OTR rate of 9% (3/32, 1 complete, 2 PR), and median PFS of 3.6mo with other HRR alterations, including ATM (n=9) and CHEK2 (n=3) (PMID: 37365284). 37365284
ATM inact mut invasive ductal carcinoma predicted - sensitive Durvalumab + Olaparib Case Reports/Case Series Actionable In a Phase II trial, treatment with the combination of Lynparza (olaparib) and Imfinzi (durvalumab) resulted in a partial response in a patient with invasive ductal carcinoma harboring an ATM inactivating mutation (PMID: 37365284). 37365284
ATM inact mut neuroendocrine carcinoma predicted - sensitive Durvalumab + Olaparib Case Reports/Case Series Actionable In a Phase II trial, treatment with the combination of Lynparza (olaparib) and Imfinzi (durvalumab) resulted in a partial response in a patient with a neuroendocrine carcinoma harboring an ATM inactivating mutation (PMID: 37365284). 37365284
ATM inact mut pancreatic cancer predicted - sensitive RP-3500 Case Reports/Case Series Actionable In a Phase I/II trial (TRESR), RP-3500 treatment resulted in a partial response at week 54 in a patient with advanced pancreatic cancer harboring a germline ATM frameshift mutation (PMID: 37277454; NCT04497116). 37277454
ATM inact mut lung non-small cell carcinoma predicted - sensitive RP-3500 Case Reports/Case Series Actionable In a Phase I/II trial (TRESR), RP-3500 treatment resulted in a partial response after 37 weeks of treatment in a patient with advanced non-small cell lung cancer harboring germline biallelic ATM inactivation (PMID: 37277454; NCT04497116). 37277454
ATM inact mut prostate cancer sensitive Abiraterone + Olaparib + Prednisone Case Reports/Case Series Actionable In a Phase II trial (BRCAAway), Zytiga (abiraterone), Adason (prednisone), and Lynparza (olaparib) first-line combination treatment led to an objective response rate of 33% (7/21) and improved median progression-free survival compared to olaparib (39 mo vs 14 mo, HR=0.37) or the combination of abiraterone and prednisone (39 mo vs 8.6 mo, HR=0.33) in patients with metastatic castration-resistant prostate cancer harboring BRCA1 (n=3), BRCA2 (n=46) or ATM (n=11) mutations (PMID: 39115414; NCT03012321). 39115414
ATM mutant chronic lymphocytic leukemia/small lymphocytic lymphoma not applicable N/A Guideline Prognostic ATM mutations are associated with shorter time to first treatment, progression-free survival, time to next treatment, and overall survival with chemoimmunotherapy compared to wild-type ATM in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (NCCN.org). detail...