Male breast carcinoma
diseaseOn this page
Also known as breast cancer in menbreast cancer, malecarcinoma of Male breastcarcinoma of the Male breastMale breast cancer
Summary
Male breast carcinoma (MONDO:0005628) is a cancer with 4 cohort genes (10 GWAS associations across 3 studies; 2 CIViC-evidence somatic drivers; 1 ClinVar predisposition record) and 104 clinical trials. Top therapeutic interventions include lapatinib, tamoxifen citrate, and vorinostat.
At a glance
- Classification: Cancer
- Cohort genes: 4
- GWAS associations: 10
- ClinVar variants: 1
- Clinical trials: 104
Clinical features
No curated clinical features (Orphanet) for this disease.
Identifiers
Disease identifiers
| Field | Value |
|---|---|
| Canonical name | male breast carcinoma |
| Mondo ID | MONDO:0005628 |
| EFO | EFO:0006861 |
| MeSH | D018567 |
| DOID | DOID:1614 |
| NCIT | C3862 |
| SNOMED CT | 372095001 |
| UMLS | C0238033 |
| MedGen | 68650 |
| GARD | 0009312 |
| Anatomy (UBERON) | UBERON:0016410 |
| Is cancer (heuristic) | yes |
Also known as: breast cancer in men · breast cancer, male · carcinoma of Male breast · carcinoma of male breast · carcinoma of the Male breast · Male breast cancer · male breast cancer · Male breast carcinoma · male breast carcinoma
Data availability: 1 ClinVar variant · 10 GWAS associations (3 studies).
Disease family
Classification path: disease › human disease › disease by etiologic mechanism › cancer or benign tumor › neoplastic disease or syndrome › neoplasm › cancer › carcinoma › breast carcinoma › male breast carcinoma
Related subtypes (12): nipple carcinoma, bilateral breast carcinoma, female breast carcinoma, sporadic breast cancer, breast carcinoma in situ, breast adenocarcinoma, breast carcinoma by gene expression profile, invasive breast carcinoma, Ehrlich tumor carcinoma, hereditary breast carcinoma, cribriform carcinoma of breast, hormone-resistant breast carcinoma
Genetics & variants
GWAS landscape
10 GWAS associations across 3 studies. Top hits map to 6 distinct genes (as reported by GWAS).
Top associations by p-value
| rsID | p-value | Gene | Risk allele | Odds ratio |
|---|---|---|---|---|
| rs3803662 | 4e-15 | CASC16 | ? | 1.5 |
| rs1314913 | 3e-13 | RAD51B | ? | 1.57 |
| rs78540526 | 1e-11 | LINC01488 - PNCRNA-D | T | 1.61 |
| rs554219 | 3e-11 | LINC01488 - PNCRNA-D | G | 1.45 |
| rs9383938 | 3e-09 | ESR1 | T | 1.47 |
| rs9397437 | 5e-09 | CCDC170 - ESR1 | A | 1.5 |
| rs3757322 | 6e-09 | CCDC170 | G | 1.26 |
| rs75915166 | 8e-08 | LINC01488 - PNCRNA-D | A | 1.53 |
| rs2183271 | 3e-07 | MLLT10 | C | 1.22 |
| rs903263 | 1e-06 | PRKACB | ? | 1.27 |
Top studies (by case count)
| Study | Lead author | Year | Cases | Controls | Title |
|---|---|---|---|---|---|
| GCST011526 | Maguire S | 2020 | 1,380 | 3,620 | Common susceptibility loci for male breast cancer. |
| GCST001690 | Orr N | 2012 | 823 | 2,795 | Genome-wide association study identifies a common variant in RAD51B associated with male breast cancer risk. |
| GCST90481501 | Verma A | 2024 | 232 | 417,314 | Diversity and scale: Genetic architecture of 2068 traits in the VA Million Veteran Program. |
Variant details and genetic-evidence tiers
Tier distribution (top 50 variants)
| Tier | Variants |
|---|---|
| Tier 1: coding | 0 |
| Tier 2: splice/UTR | 1 |
| Tier 3: regulatory | 2 |
| Tier 4: intronic/intergenic | 7 |
MAF distribution
| Bucket | Variants |
|---|---|
| common (>=0.05) | 10 |
| low_freq (0.01-0.05) | 0 |
| rare (<0.01) | 0 |
| unknown | 0 |
Functional consequences
| Consequence | Count |
|---|---|
| intron_variant | 3 |
| intergenic_variant | 3 |
| regulatory_region_variant | 2 |
| non_coding_transcript_exon_variant | 1 |
| 3_prime_UTR_variant | 1 |
Top variants
| rsID | Chr | Pos | Alleles | MAF | Consequence | Gene | p-value | Tier |
|---|---|---|---|---|---|---|---|---|
| rs3803662 | 16 | 52552429 | A>C,G,T | 0.05 | non_coding_transcript_exon_variant | CASC16 | 4e-15 | Tier 4: intronic/intergenic |
| rs1314913 | 14 | 68232877 | C>T | 0.05 | intron_variant | RAD51B | 3e-13 | Tier 4: intronic/intergenic |
| rs78540526 | 11 | 69516650 | C>T | 0.05 | regulatory_region_variant | LINC01488 - PNCRNA-D | 1e-11 | Tier 3: regulatory |
| rs554219 | 11 | 69516874 | C>A,G,T | 0.05 | intergenic_variant | LINC01488 - PNCRNA-D | 3e-11 | Tier 4: intronic/intergenic |
| rs9383938 | 6 | 151666222 | G>T | 0.05 | intergenic_variant | ESR1 | 3e-09 | Tier 4: intronic/intergenic |
| rs9397437 | 6 | 151631197 | G>A | 0.05 | intergenic_variant | CCDC170 - ESR1 | 5e-09 | Tier 4: intronic/intergenic |
| rs3757322 | 6 | 151621059 | T>A,G | 0.05 | 3_prime_UTR_variant | CCDC170 | 6e-09 | Tier 2: splice/UTR |
| rs75915166 | 11 | 69564393 | C>A | 0.05 | regulatory_region_variant | LINC01488 - PNCRNA-D | 8e-08 | Tier 3: regulatory |
| rs2183271 | 10 | 21668300 | T>C | 0.05 | intron_variant | MLLT10 | 3e-07 | Tier 4: intronic/intergenic |
| rs903263 | 1 | 84156830 | G>A,T | 0.05 | intron_variant | PRKACB | 1e-06 | Tier 4: intronic/intergenic |
ClinVar germline variants
1 retrieved; paginated sample, class counts are floors:
1 benign
| ClinVar | Variant (HGVS) | Gene | Classification | Review |
|---|---|---|---|---|
| 51169 | NM_000059.4(BRCA2):c.1662T>G (p.Cys554Trp) | BRCA2 | Benign | reviewed by expert panel |
Genes & proteins
Mendelian disease overlap and somatic drivers
GenCC: 0 · Orphanet: 13 · OMIM-shared: 0 · Dual-evidence (GWAS+Mendelian): 0
Somatic driver evidence (intOGen + CIViC, cohort fanout)
| Gene | intOGen role | Cancer types | CIViC |
|---|---|---|---|
| BRCA2 | LoF | BLCA,BRCA,CESC,CHOL,HCC,HNSC,LUSC,MBL,OVT,PAAD,PRAD,PROSTATE,RCC,VULVA | CIViC #7 |
| RAD51B | CIViC #4763 |
Orphanet rare-disease linkage (cohort genes)
| Gene | Orphanet ID | Rare disease |
|---|---|---|
| BRCA2 | Orphanet:1331 | Familial prostate cancer |
| BRCA2 | Orphanet:1333 | Familial pancreatic carcinoma |
| BRCA2 | Orphanet:145 | Hereditary breast and/or ovarian cancer syndrome |
| BRCA2 | Orphanet:178 | Chordoma |
| BRCA2 | Orphanet:227535 | Hereditary breast cancer |
| BRCA2 | Orphanet:319462 | Inherited cancer-predisposing syndrome due to biallelic BRCA2 mutations |
| BRCA2 | Orphanet:440437 | Familial colorectal cancer Type X |
| BRCA2 | Orphanet:654 | Nephroblastoma |
| BRCA2 | Orphanet:667662 | Breast implant-associated anaplastic large cell lymphoma |
| BRCA2 | Orphanet:694963 | Inflammatory breast cancer |
| BRCA2 | Orphanet:70567 | Cholangiocarcinoma |
| BRCA2 | Orphanet:84 | Fanconi anemia |
| PRKACB | Orphanet:289 | Ellis Van Creveld syndrome |
Cohort genes → proteins
4 cohort genes, 4 distinct canonical proteins.
Evidence partition
| Subset | Genes |
|---|---|
| gwas_only | 3 |
| multi_evidence | 1 |
Cohort genes (full)
| Symbol | HGNC | Ensembl | UniProt | Name | Evidence |
|---|---|---|---|---|---|
| BRCA2 | HGNC:1101 | ENSG00000139618 | P51587 | Breast cancer type 2 susceptibility protein | clinvar |
| TOX3 | HGNC:11972 | ENSG00000103460 | O15405 | TOX high mobility group box family member 3 | gwas |
| PRKACB | HGNC:9381 | ENSG00000142875 | P22694 | cAMP-dependent protein kinase catalytic subunit beta | gwas |
| RAD51B | HGNC:9822 | ENSG00000182185 | O15315 | DNA repair protein RAD51 homolog 2 | gwas |
Cohort function summary
Lead sentence per gene, UniProt-curated.
| Symbol | Protein name | Function (lead sentence) |
|---|---|---|
| BRCA2 | Breast cancer type 2 susceptibility protein | Involved in double-strand break repair and/or homologous recombination. |
| TOX3 | TOX high mobility group box family member 3 | Transcriptional coactivator of the p300/CBP-mediated transcription complex. |
| PRKACB | cAMP-dependent protein kinase catalytic subunit beta | Mediates cAMP-dependent signaling triggered by receptor binding to GPCRs. |
| RAD51B | DNA repair protein RAD51 homolog 2 | Involved in the homologous recombination repair (HRR) pathway of double-stranded DNA breaks arising during DNA replication or induced by DNA-damaging agents. |
Protein-family classification
Druggable: 1 · Difficult: 0 · Unknown: 3 · Druggable fraction: 0.25
Family distribution
Cohort families vs a genome-wide background (hypergeometric, BH-FDR; fold = observed/expected). Counts kept; sorted by enrichment, so the catch-all Other/Unknown bucket no longer leads.
| Family | Genes | Fold | FDR |
|---|---|---|---|
| Kinase | 1 | 6.9× | 0.273 |
| Other/Unknown | 3 | 1.3× | 0.404 |
Per-gene assignment
| Symbol | Family | Druggable? | EC | InterPro (top 3) |
|---|---|---|---|---|
| BRCA2 | Other/Unknown | no | BRCA2_repeat, NA-bd_OB-fold, BRCA2_OB_1 | |
| TOX3 | Other/Unknown | no | HMG_box_dom, HMG_box_dom_sf, TOX_HMG-box_domain | |
| PRKACB | Kinase | yes | 2.7.11.11 | Prot_kinase_dom, AGC-kinase_C, Ser/Thr_kinase_AS |
| RAD51B | Other/Unknown | no | AAA+_ATPase, Rad51_C, DNA_recomb/repair_RecA-like |
Expression context
Cohort genes with no expression data: 0.
4 cohort genes are a single-cell marker in ≥1 SCXA experiment.
Breadth distribution (Bgee present_calls)
| Bucket | Genes |
|---|---|
| narrow (1-5 tissues) | 0 |
| moderate (6-20) | 0 |
| broad (>20) | 4 |
| unknown | 0 |
Top tissues across cohort
| Tissue | Cohort genes |
|---|---|
| male germ line stem cell (sensu Vertebrata) in testis | 2 |
| secondary oocyte | 1 |
| ventricular zone | 1 |
| colonic mucosa | 1 |
| mucosa of sigmoid colon | 1 |
| pancreatic ductal cell | 1 |
| Brodmann (1909) area 23 | 1 |
| endothelial cell | 1 |
| parietal lobe | 1 |
| buccal mucosa cell | 1 |
| sural nerve | 1 |
Per-gene tissue summary (top 30)
| Symbol | Bgee breadth | FANTOM5 breadth | SCXA | Top tissues |
|---|---|---|---|---|
| BRCA2 | 184 | ubiquitous | marker | male germ line stem cell (sensu Vertebrata) in testis, secondary oocyte, ventricular zone |
| TOX3 | 220 | broad | marker | mucosa of sigmoid colon, pancreatic ductal cell, colonic mucosa |
| PRKACB | 293 | ubiquitous | marker | endothelial cell, Brodmann (1909) area 23, parietal lobe |
| RAD51B | 193 | ubiquitous | marker | sural nerve, buccal mucosa cell, male germ line stem cell (sensu Vertebrata) in testis |
Protein interactions among cohort
Intra-cohort edges: 3.
Hub genes (top 10 by interactor count)
| Symbol | Interactor count |
|---|---|
| PRKACB | 7,400 |
| BRCA2 | 4,839 |
| RAD51B | 2,993 |
| TOX3 | 1,454 |
Intra-cohort edges
| A | B | Sources |
|---|---|---|
| BRCA2 | RAD51B | string_interaction |
| BRCA2 | TOX3 | string_interaction |
| RAD51B | TOX3 | string_interaction |
Structural data
PDB: 2 · AlphaFold-only: 2 · No structure: 0
Cohort genes with PDB structures (top 30)
| Symbol | UniProt | PDB entries |
|---|---|---|
| BRCA2 | P51587 | 14 |
| RAD51B | O15315 | 5 |
AlphaFold-only cohort genes (top 30 by pLDDT)
| Symbol | UniProt | pLDDT |
|---|---|---|
| PRKACB | P22694 | 95.61 |
| TOX3 | O15405 | 60.22 |
Function
Pathway analysis
Distinct Reactome pathways touched by cohort: 105. Enrichment computed across 4 evidence-associated genes (3 with Reactome annotation).
Pathways by enrichment
Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 3 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.
| Pathway | Cohort genes | Fold | FDR | Sample cohort genes |
|---|---|---|---|---|
| Impaired BRCA2 binding to PALB2 | 2 | 304.5× | 3e-04 | BRCA2, RAD51B |
| Defective homologous recombination repair (HRR) due to BRCA1 loss of function | 2 | 282.0× | 3e-04 | BRCA2, RAD51B |
| Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function | 2 | 282.0× | 3e-04 | BRCA2, RAD51B |
| Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function | 2 | 282.0× | 3e-04 | BRCA2, RAD51B |
| Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) | 2 | 262.5× | 3e-04 | BRCA2, RAD51B |
| Homologous DNA Pairing and Strand Exchange | 2 | 253.8× | 3e-04 | BRCA2, RAD51B |
| Resolution of D-loop Structures through Holliday Junction Intermediates | 2 | 200.3× | 5e-04 | BRCA2, RAD51B |
| Presynaptic phase of homologous DNA pairing and strand exchange | 2 | 181.3× | 5e-04 | BRCA2, RAD51B |
| HDR through Homologous Recombination (HRR) | 2 | 126.9× | 9e-04 | BRCA2, RAD51B |
| Impaired BRCA2 translocation to the nucleus | 1 | 1268.9× | 0.007 | BRCA2 |
| Impaired BRCA2 binding to SEM1 (DSS1) | 1 | 1268.9× | 0.007 | BRCA2 |
| Factors involved in megakaryocyte development and platelet production | 2 | 44.3× | 0.007 | PRKACB, RAD51B |
| PKA-mediated phosphorylation of key metabolic factors | 1 | 761.3× | 0.011 | PRKACB |
| HDL assembly | 1 | 475.8× | 0.016 | PRKACB |
| ROBO receptors bind AKAP5 | 1 | 423.0× | 0.017 | PRKACB |
| Regulation of glycolysis by fructose 2,6-bisphosphate metabolism | 1 | 317.2× | 0.018 | PRKACB |
| Defective homologous recombination repair (HRR) due to PALB2 loss of function | 1 | 317.2× | 0.018 | BRCA2 |
| CREB1 phosphorylation through the activation of Adenylate Cyclase | 1 | 292.8× | 0.018 | PRKACB |
| HDR through MMEJ (alt-NHEJ) | 1 | 292.8× | 0.018 | BRCA2 |
| Glucose metabolism | 1 | 292.8× | 0.018 | PRKACB |
| Diseases of DNA Double-Strand Break Repair | 1 | 271.9× | 0.018 | BRCA2 |
| Defective homologous recombination repair (HRR) due to BRCA2 loss of function | 1 | 271.9× | 0.018 | BRCA2 |
| Rap1 signalling | 1 | 237.9× | 0.018 | PRKACB |
| Plasma lipoprotein assembly | 1 | 237.9× | 0.018 | PRKACB |
| PKA activation in glucagon signalling | 1 | 223.9× | 0.018 | PRKACB |
| Triglyceride metabolism | 1 | 223.9× | 0.018 | PRKACB |
| PKA activation | 1 | 211.5× | 0.018 | PRKACB |
| Resolution of D-Loop Structures | 1 | 211.5× | 0.018 | BRCA2 |
| PKA-mediated phosphorylation of CREB | 1 | 190.3× | 0.018 | PRKACB |
| Diseases of DNA repair | 1 | 190.3× | 0.018 | BRCA2 |
GO biological processes by enrichment
Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 4 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.
| GO term | Cohort genes | Fold | FDR | Sample cohort genes |
|---|---|---|---|---|
| mitotic recombination-dependent replication fork processing | 1 | 2106.5× | 0.012 | BRCA2 |
| double-strand break repair via homologous recombination | 2 | 78.0× | 0.012 | BRCA2, RAD51B |
| negative regulation of mammary gland epithelial cell proliferation | 1 | 842.6× | 0.015 | BRCA2 |
| blastocyst growth | 1 | 702.2× | 0.015 | RAD51B |
| establishment of protein localization to telomere | 1 | 526.6× | 0.015 | BRCA2 |
| response to UV-C | 1 | 421.3× | 0.015 | BRCA2 |
| high-density lipoprotein particle assembly | 1 | 421.3× | 0.015 | PRKACB |
| telomere maintenance via recombination | 1 | 383.0× | 0.015 | BRCA2 |
| regulation of protein processing | 1 | 383.0× | 0.015 | PRKACB |
| somite development | 1 | 280.9× | 0.016 | RAD51B |
| regulation of DNA damage checkpoint | 1 | 280.9× | 0.016 | BRCA2 |
| inner cell mass cell proliferation | 1 | 247.8× | 0.016 | BRCA2 |
| centrosome duplication | 1 | 234.1× | 0.016 | BRCA2 |
| response to X-ray | 1 | 221.7× | 0.016 | BRCA2 |
| female gonad development | 1 | 200.6× | 0.016 | BRCA2 |
| dorsal/ventral neural tube patterning | 1 | 200.6× | 0.016 | PRKACB |
| vascular endothelial cell response to laminar fluid shear stress | 1 | 183.2× | 0.016 | PRKACB |
| hematopoietic stem cell proliferation | 1 | 162.0× | 0.016 | BRCA2 |
| oocyte maturation | 1 | 150.5× | 0.016 | BRCA2 |
| positive regulation of G2/M transition of mitotic cell cycle | 1 | 150.5× | 0.016 | RAD51B |
| male meiosis I | 1 | 145.3× | 0.016 | BRCA2 |
| response to gamma radiation | 1 | 145.3× | 0.016 | BRCA2 |
| reciprocal meiotic recombination | 1 | 140.4× | 0.016 | RAD51B |
| renal water homeostasis | 1 | 127.7× | 0.017 | PRKACB |
| intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator | 1 | 123.9× | 0.017 | BRCA2 |
| positive regulation of mitotic cell cycle | 1 | 117.0× | 0.017 | BRCA2 |
| negative regulation of smoothened signaling pathway | 1 | 113.9× | 0.017 | PRKACB |
| regulation of cytokinesis | 1 | 105.3× | 0.017 | BRCA2 |
| cellular response to ionizing radiation | 1 | 102.8× | 0.017 | BRCA2 |
| nucleotide-excision repair | 1 | 95.8× | 0.018 | BRCA2 |
Therapeutics
Drugs indicated for this disease
0 approved, 4 in late-stage (phase 3) trials. Disease-direct ChEMBL indications, not inferred from the associated-gene cohort below.
| Drug | Development status |
|---|---|
| Exemestane | Phase 3 (in late-stage trials) |
| Paclitaxel | Phase 3 (in late-stage trials) |
| Tamoxifen | Phase 3 (in late-stage trials) |
| Trastuzumab | Phase 3 (in late-stage trials) |
Earlier-phase candidates (phase 2, investigational — efficacy not yet established): Abemaciclib, Aldesleukin, Anastrozole, Azacitidine, Becatecarin, Bevacizumab, Busulfan, Capecitabine, Carboplatin, Degarelix, Doconexent, Entinostat, Filgrastim, Gefitinib, Icosapent, Ixabepilone, Melphalan, Pegfilgrastim, Pembrolizumab, Pemetrexed, Romidepsin, Saracatinib, Sargramostim, Thiotepa, Triapine, Vorinostat.
Drug target analysis
Approved (phase 4): 1 · Phase ≥3: 1 · Phased (≥1): 1 · Undrugged: 3
Druggability breadth: 1 of 4 evidence-associated genes (25%) have a ChEMBL target (buckets above are over the deeply-mined display cohort).
Genes with an approved drug
The molecule shown is one approved compound that hits the gene — not necessarily a drug of choice or one indicated for this disease.
| Symbol | Example approved molecule |
|---|---|
| PRKACB | CAPIVASERTIB |
Top cohort targets by molecule count
| Symbol | Molecules | Max phase |
|---|---|---|
| PRKACB | 19 | 4 |
| BRCA2 | 0 | 0 |
| TOX3 | 0 | 0 |
| RAD51B | 0 | 0 |
Drugs targeting cohort genes (top 30)
| Molecule | Max phase | Targets in cohort |
|---|---|---|
| CAPIVASERTIB | 4 | PRKACB |
| DASATINIB | 4 | PRKACB |
| MIDOSTAURIN | 4 | PRKACB |
| FASUDIL | 3 | PRKACB |
| AFURESERTIB | 3 | PRKACB |
| ENZASTAURIN | 3 | PRKACB |
| LESTAURTINIB | 3 | PRKACB |
| RUBOXISTAURIN | 3 | PRKACB |
| UCN-01 | 2 | PRKACB |
| BMS-754807 | 2 | PRKACB |
| ELLAGIC ACID | 2 | PRKACB |
| UPROSERTIB | 2 | PRKACB |
| BMS-690514 | 2 | PRKACB |
| R-406 | 2 | PRKACB |
| AT-9283 | 2 | PRKACB |
| PF-03758309 | 1 | PRKACB |
| AT-13148 | 1 | PRKACB |
| GSK-690693 | 1 | PRKACB |
| AST-487 | 1 | PRKACB |
Bioactivity and enzyme data
Enzyme cohort genes (≥1 EC): 1.
Cohort genes with ChEMBL bioactivity (full, sorted by assay count)
| Symbol | Assays | Type breakdown |
|---|---|---|
| PRKACB | 391 | Binding:385, Functional:6 |
Cohort enzymes (BRENDA EC)
| Symbol | EC numbers | Names |
|---|---|---|
| PRKACB | 2.7.11.11 | cAMP-dependent protein kinase |
Cohort genes with high screening signal
≥100 ChEMBL assays — a studied-ness signal; see Therapeutics for approved-drug status.
| Symbol | ChEMBL assays |
|---|---|
| PRKACB | 391 |
Pharmacogenomics
Cohort genes with a PharmGKB record: 4; with CPIC/DPWG dosing guidelines: 0.
No cohort gene has a CPIC/DPWG genotype-guided dosing guideline (PharmGKB).
Drug repurposing candidates
19 approved/phased drugs hit cohort targets but don’t yet appear in disease-level clinical trials. Target-inhibition rationale is strongest for cancer driver genes; a bioactivity hit is a screening signal, not a treatment claim.
| Compound | Max phase | Cohort target (bioactivity) |
|---|---|---|
| CAPIVASERTIB | 4 | PRKACB |
| DASATINIB | 4 | PRKACB |
| MIDOSTAURIN | 4 | PRKACB |
| FASUDIL | 3 | PRKACB |
| AFURESERTIB | 3 | PRKACB |
| ENZASTAURIN | 3 | PRKACB |
| LESTAURTINIB | 3 | PRKACB |
| RUBOXISTAURIN | 3 | PRKACB |
| UCN-01 | 2 | PRKACB |
| BMS-754807 | 2 | PRKACB |
| ELLAGIC ACID | 2 | PRKACB |
| UPROSERTIB | 2 | PRKACB |
| BMS-690514 | 2 | PRKACB |
| R-406 | 2 | PRKACB |
| AT-9283 | 2 | PRKACB |
| PF-03758309 | 1 | PRKACB |
| AT-13148 | 1 | PRKACB |
| GSK-690693 | 1 | PRKACB |
| AST-487 | 1 | PRKACB |
Druggability pyramid
Cohort genes binned by druggability tier (high → low):
| Tier | Definition | Genes | Symbols |
|---|---|---|---|
| A | Approved (phase 4 drug) | 1 | PRKACB |
| B | Phased (≥1) drug, not yet approved | 0 | |
| C | Druggable family + PDB, no drug | 0 | |
| D | Druggable family + AlphaFold only, no drug | 0 | |
| E | Difficult family or no structure, no drug | 3 | BRCA2, TOX3, RAD51B |
Undrugged target profiles
3 cohort genes are undrugged. Ranked by ‘starting-point quality’ (assay depth + drugged-partner adjacency).
| Symbol | ChEMBL assays | Drugged partners (top 3) |
|---|---|---|
| BRCA2 | 0 | — |
| TOX3 | 0 | — |
| RAD51B | 0 | — |
Clinical trials & evidence
Clinical trials
Clinical trials: 104.
Phase distribution (across all retrieved trials)
| Phase | Trials |
|---|---|
| PHASE2 | 34 |
| PHASE1 | 30 |
| Not specified | 18 |
| PHASE1/PHASE2 | 17 |
| EARLY_PHASE1 | 3 |
| PHASE3 | 2 |
Top trials by phase / activity
| NCT | Phase | Status | Title |
|---|---|---|---|
| NCT00770809 | PHASE3 | COMPLETED | Paclitaxel and Trastuzumab With or Without Lapatinib in Treating Patients With Stage II or Stage III Breast Cancer That Can Be Removed by Surgery |
| NCT01638247 | PHASE3 | COMPLETED | Tamoxifen +/- GnRH Analogue vs Aromatase Inhibitor + GnRH Analogue in Male Breast Cancer Patients |
| NCT03384914 | PHASE2 | ACTIVE_NOT_RECRUITING | Vaccine to Prevent Recurrence in Patients With HER-2 Positive Breast Cancer |
| NCT05501704 | PHASE2 | RECRUITING | ETHAN - ET for Male BC |
| NCT00003199 | PHASE2 | COMPLETED | Combination Chemotherapy and Peripheral Blood Stem Cell Transplant Followed By Aldesleukin and Sargramostim in Treating Patients With Inflammatory Stage IIIB or Metastatic Stage IV Breast Cancer |
| NCT00005817 | PHASE2 | COMPLETED | Rebeccamycin Analogue in Treating Women With Stage IIIB or Stage IV Breast Cancer |
| NCT00006228 | PHASE2 | COMPLETED | Trastuzumab and Interleukin-2 in Treating Patients With Metastatic Breast Cancer |
| NCT00017394 | PHASE2 | COMPLETED | Bevacizumab Plus Vinorelbine in Treating Patients With Stage IV Breast Cancer |
| NCT00024154 | PHASE2 | COMPLETED | Trastuzumab and Gefitinib in Treating Patients With Metastatic Breast Cancer |
| NCT00045188 | PHASE2 | COMPLETED | Imatinib Mesylate in Treating Patients With Metastatic Breast Cancer |
| NCT00063934 | PHASE1/PHASE2 | TERMINATED | Oblimersen Plus Doxorubicin and Docetaxel in Treating Patients With Metastatic or Locally Advanced Breast Cancer |
| NCT00068588 | PHASE2 | COMPLETED | GTI-2040 and Capecitabine in Treating Patients With Metastatic Breast Cancer |
| NCT00070252 | PHASE1/PHASE2 | COMPLETED | Neoadjuvant Tipifarnib, Docetaxel, and Capecitabine in Treating Patients With Locally Advanced or Metastatic Solid Tumors or Stage IIIA or Stage IIIB Breast Cancer |
| NCT00077376 | PHASE2 | COMPLETED | Trastuzumab, Ixabepilone, and Carboplatin in Treating Patients With HER2/Neu-Positive Metastatic Breast Cancer |
| NCT00095888 | PHASE2 | TERMINATED | 3-AP and Gemcitabine in Treating Patients With Refractory Metastatic Breast Cancer |
| NCT00096434 | PHASE2 | COMPLETED | Sorafenib in Treating Patients With Metastatic Breast Cancer |
| NCT00098397 | PHASE2 | COMPLETED | FR901228 in Treating Patients With Metastatic Breast Cancer |
| NCT00098605 | PHASE2 | COMPLETED | Lapatinib in Treating Brain Metastases in Patients With Stage IV Breast Cancer and Brain Metastases |
| NCT00118157 | PHASE2 | COMPLETED | Lapatinib and Tamoxifen in Treating Patients With Locally Advanced or Metastatic Breast Cancer That Did Not Respond to Previous Tamoxifen |
| NCT00119262 | PHASE2 | COMPLETED | Bevacizumab and Combination Chemotherapy in Patients With Lymph Node Positive Breast Cancer |
| NCT00132002 | PHASE2 | TERMINATED | Suberoylanilide Hydroxamic Acid in Treating Patients With Progressive Stage IV Breast Cancer |
| NCT00244881 | PHASE2 | COMPLETED | A Phase II Study of AZD2171 in Breast Cancer Stage IV (10006202) |
| NCT00258349 | PHASE1/PHASE2 | COMPLETED | Vorinostat and Trastuzumab in Treating Patients With Metastatic or Locally Recurrent Breast Cancer |
| NCT00331552 | PHASE1/PHASE2 | COMPLETED | Doxorubicin Hydrochloride Liposome, Cyclophosphamide, and Trastuzumab in Treating Patients With Stage IV Breast Cancer |
| NCT00343109 | PHASE2 | COMPLETED | Vaccine Therapy in Treating Patients Receiving Trastuzumab For HER2-Positive Stage IIIB-IV Breast Cancer |
| NCT00368875 | PHASE1/PHASE2 | COMPLETED | Phase I-II Study of Vorinostat, Paclitaxel, and Bevacizumab in Metastatic Breast Cancer |
| NCT00425672 | PHASE1/PHASE2 | COMPLETED | ONTAK® in Treating Patients With Advanced Breast Cancer That Did Not Respond to Previous Treatment |
| NCT00470301 | PHASE1/PHASE2 | COMPLETED | Tipifarnib and Combination Chemotherapy in Treating Patients With Stage II or Stage III Breast Cancer |
| NCT00513695 | PHASE2 | COMPLETED | Sunitinib Malate, Paclitaxel, Doxorubicin Hydrochloride, and Cyclophosphamide Before Surgery in Treating Patients With Stage IIB-IIIC Breast Cancer |
| NCT00559507 | PHASE2 | COMPLETED | Saracatinib in Treating Patients With Metastatic or Locally Advanced Breast Cancer That Cannot Be Removed By Surgery |
| NCT00699491 | PHASE1/PHASE2 | COMPLETED | Cixutumumab and Temsirolimus in Treating Patients With Locally Recurrent or Metastatic Breast Cancer |
| NCT00791037 | PHASE1/PHASE2 | COMPLETED | Vaccine Therapy in Treating Patients With Stage IV Breast Cancer |
| NCT00821964 | PHASE2 | COMPLETED | Topical Imiquimod and Abraxane in Treating Patients With Advanced Breast Cancer |
| NCT00861705 | PHASE2 | COMPLETED | Paclitaxel With or Without Carboplatin and/or Bevacizumab Followed by Doxorubicin and Cyclophosphamide in Treating Patients With Breast Cancer That Can Be Removed by Surgery |
| NCT01037790 | PHASE2 | COMPLETED | Phase II Trial of the Cyclin-Dependent Kinase Inhibitor PD 0332991 in Patients With Cancer |
| NCT01042535 | PHASE1/PHASE2 | COMPLETED | Vaccine Therapy and 1-MT in Treating Patients With Metastatic Breast Cancer |
| NCT01100489 | PHASE2 | WITHDRAWN | Breast-Conserving Surgery Followed by Radiation Therapy With MRI-Detected Stage I or Stage II Breast Cancer |
| NCT01151449 | PHASE2 | TERMINATED | Gamma-secretase/Notch Signalling Pathway Inhibitor RO4929097 in Treating Patients With Advanced, Metastatic, or Recurrent Triple Negative Invasive Breast Cancer |
| NCT01217411 | PHASE1/PHASE2 | TERMINATED | RO4929097 and Whole-Brain Radiation Therapy or Stereotactic Radiosurgery in Treating Patients With Brain Metastases From Breast Cancer |
| NCT01349959 | PHASE2 | COMPLETED | Azacitidine and Entinostat in Treating Patients With Advanced Breast Cancer |
Drugs tested across these trials (top 30)
Related Atlas pages
- Cohort genes: BRCA2, RAD51B, TOX3, PRKACB
- Drugs: Lapatinib, Tamoxifen, Vorinostat, Aldesleukin, FLUOROESTRADIOL F-18, Pazopanib, Pegfilgrastim, Romidepsin, Busulfan, Degarelix, Denileukin Diftitox, Epirubicin, Eribulin, Erlotinib, Exemestane, Gefitinib, Goserelin Acetate, Imatinib, Imiquimod, Ixabepilone, Ondansetron, Palbociclib, Palonosetron, Sargramostim, Sorafenib, Sunitinib Malate, Temsirolimus, Thiotepa