Peritoneum cancer

disease
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Also known as cancer of peritoneumcancer of the peritoneummalignant neoplasm of peritoneummalignant peritoneal neoplasmmalignant peritoneum neoplasmperitoneal cancerperitoneal cavity cancer

Summary

Peritoneum cancer (MONDO:0002087) is a cancer (an umbrella term covering 6 Mondo subtypes) with 1 cohort gene (1 CIViC-evidence somatic driver; 1 ClinVar predisposition record) and 349 clinical trials. Top therapeutic interventions include cisplatin, topotecan, and carboplatin.

At a glance

  • Classification: Cancer
  • Umbrella term: 6 Mondo subtypes
  • Cohort genes: 1
  • ClinVar variants: 1
  • Clinical trials: 349

Clinical features

No curated clinical features (Orphanet) for this disease.

Identifiers

Disease identifiers

FieldValue
Canonical nameperitoneum cancer
Mondo IDMONDO:0002087
DOIDDOID:1725
ICD-11315445782
NCITC3538
SNOMED CT363492001
UMLSC0153467
MedGen102270
Anatomy (UBERON)UBERON:0002358
Is cancer (heuristic)yes

Also known as: cancer of peritoneum · cancer of the peritoneum · malignant neoplasm of peritoneum · malignant peritoneal neoplasm · malignant peritoneum neoplasm · peritoneal cancer · peritoneal cavity cancer · peritoneum cancer

Data availability: 1 ClinVar variant.

Disease family

An umbrella term covering 6 Mondo subtypes.

Classification path: disease › human disease › disease by etiologic mechanism › cancer or benign tumorneoplastic disease or syndromeneoplasmcancerperitoneum cancer

Related subtypes (32): respiratory system cancer, immune system cancer, musculoskeletal system cancer, integumentary system cancer, cardiovascular cancer, reproductive system cancer, malignant giant cell tumor, digestive system cancer, lipomatous cancer, thoracic cancer, malignant glomus tumor, malignant mesenchymoma, carcinoma, sarcoma, blastoma, head and neck cancer, malignant mixed neoplasm, nervous system cancer, retroperitoneal cancer, malignant germ cell tumor, malignant mesothelioma, malignant urinary system neoplasm, childhood malignant neoplasm, anaplastic cancer, malignant spindle cell neoplasm, high grade malignant neoplasm, malignant endocrine neoplasm, malignant soft tissue neoplasm, secondary malignant neoplasm, refractory malignant neoplasm, malignant adenoma, cancer of unknown primary site

Subtypes (6): round ligament malignant neoplasm, peritoneal carcinoma, malignant peritoneal solitary fibrous tumor, malignant peritoneal mesothelioma, malignant peritoneal germ cell tumor, peritoneal carcinomatosis

Genetics & variants

GWAS landscape

No GWAS associations recorded — common-variant (GWAS) studies don’t cover this disease (typical for Mendelian / rare diseases). See the curated gene cohort and Mendelian overlap below.

Variant details and genetic-evidence tiers

ClinVar germline variants

1 retrieved; paginated sample, class counts are floors:

1 pathogenic

ClinVarVariant (HGVS)GeneClassificationReview
91612NM_007294.4(BRCA1):c.3672del (p.Cys1225fs)BRCA1Pathogenicreviewed by expert panel

Genes & proteins

Mendelian disease overlap and somatic drivers

GenCC: 0 · Orphanet: 9 · OMIM-shared: 0 · Dual-evidence (GWAS+Mendelian): 0

Somatic driver evidence (intOGen + CIViC, cohort fanout)

GeneintOGen roleCancer typesCIViC
BRCA1LoFBLCA,BRCA,MEL,OVTCIViC #6

Orphanet rare-disease linkage (cohort genes)

GeneOrphanet IDRare disease
BRCA1Orphanet:1331Familial prostate cancer
BRCA1Orphanet:1333Familial pancreatic carcinoma
BRCA1Orphanet:145Hereditary breast and/or ovarian cancer syndrome
BRCA1Orphanet:168829Primary peritoneal carcinoma
BRCA1Orphanet:227535Hereditary breast cancer
BRCA1Orphanet:667662Breast implant-associated anaplastic large cell lymphoma
BRCA1Orphanet:694963Inflammatory breast cancer
BRCA1Orphanet:70567Cholangiocarcinoma
BRCA1Orphanet:84Fanconi anemia

Cohort genes → proteins

1 cohort genes, 1 distinct canonical proteins.

Evidence partition

SubsetGenes
multi_evidence1

Cohort genes (full)

SymbolHGNCEnsemblUniProtNameEvidence
BRCA1HGNC:1100ENSG00000012048P38398Breast cancer type 1 susceptibility proteinclinvar

Cohort function summary

Lead sentence per gene, UniProt-curated.

SymbolProtein nameFunction (lead sentence)
BRCA1Breast cancer type 1 susceptibility proteinE3 ubiquitin-protein ligase that specifically mediates the formation of ‘Lys-6’-linked polyubiquitin chains and plays a central role in DNA repair by facilitating cellular responses to DNA damage.

Protein-family classification

Druggable: 0 · Difficult: 1 · Unknown: 0 · Druggable fraction: 0.0

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.

FamilyGenesFoldFDR
Transcription factor18.3×0.121

Per-gene assignment

SymbolFamilyDruggable?ECInterPro (top 3)
BRCA1Transcription factorno2.3.2.27BRCT_dom, Znf_RING, BRCA1

Expression context

Cohort genes with no expression data: 0.

1 cohort gene are a single-cell marker in ≥1 SCXA experiment.

Breadth distribution (Bgee present_calls)

BucketGenes
narrow (1-5 tissues)0
moderate (6-20)0
broad (>20)1
unknown0

Top tissues across cohort

TissueCohort genes
male germ line stem cell (sensu Vertebrata) in testis1
primordial germ cell in gonad1
ventricular zone1

Per-gene tissue summary (top 30)

SymbolBgee breadthFANTOM5 breadthSCXATop tissues
BRCA1208ubiquitousmarkerventricular zone, male germ line stem cell (sensu Vertebrata) in testis, primordial germ cell in gonad

Protein interactions among cohort

Intra-cohort edges: 0.

Hub genes (top 10 by interactor count)

SymbolInteractor count
BRCA19,064

Structural data

PDB: 1 · AlphaFold-only: 0 · No structure: 0

Cohort genes with PDB structures (top 30)

SymbolUniProtPDB entries
BRCA1P3839833

Function

Pathway analysis

Distinct Reactome pathways touched by cohort: 59. Enrichment computed across 1 evidence-associated genes (1 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 1 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.

PathwayCohort genesFoldFDRSample cohort genes
Defective DNA double strand break response due to BRCA1 loss of function15710.0×0.005BRCA1
Defective DNA double strand break response due to BARD1 loss of function15710.0×0.005BRCA1
Regulation of MITF-M-dependent genes involved in DNA replication, damage repair and senescence11631.4×0.009BRCA1
Defective homologous recombination repair (HRR) due to PALB2 loss of function1951.7×0.009BRCA1
Diseases of DNA Double-Strand Break Repair1815.7×0.009BRCA1
Defective homologous recombination repair (HRR) due to BRCA2 loss of function1815.7×0.009BRCA1
Resolution of D-Loop Structures1634.4×0.009BRCA1
Diseases of DNA repair1571.0×0.009BRCA1
DNA Double Strand Break Response1475.8×0.009BRCA1
Impaired BRCA2 binding to PALB21456.8×0.009BRCA1
Defective homologous recombination repair (HRR) due to BRCA1 loss of function1423.0×0.009BRCA1
Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function1423.0×0.009BRCA1
Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function1423.0×0.009BRCA1
Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA)1393.8×0.009BRCA1
Homologous DNA Pairing and Strand Exchange1380.7×0.009BRCA1
Homology Directed Repair1308.6×0.009BRCA1
HDR through Homologous Recombination (HRR) or Single Strand Annealing (SSA)1308.6×0.009BRCA1
Impaired BRCA2 binding to RAD511308.6×0.009BRCA1
Metalloprotease DUBs1300.5×0.009BRCA1
Resolution of D-loop Structures through Holliday Junction Intermediates1300.5×0.009BRCA1
HDR through Single Strand Annealing (SSA)1292.8×0.009BRCA1
Transcriptional Regulation by E2F61292.8×0.009BRCA1
Meiosis1285.5×0.009BRCA1
Presynaptic phase of homologous DNA pairing and strand exchange1271.9×0.009BRCA1
DNA Double-Strand Break Repair1248.3×0.010BRCA1
Reproduction1190.3×0.011BRCA1
HDR through Homologous Recombination (HRR)1190.3×0.011BRCA1
TP53 Regulates Transcription of DNA Repair Genes1181.3×0.011BRCA1
MITF-M-dependent gene expression1181.3×0.011BRCA1
SUMO E3 ligases SUMOylate target proteins1178.4×0.011BRCA1

GO biological processes by enrichment

Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 1 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.

GO termCohort genesFoldFDRSample cohort genes
cellular response to indole-3-methanol13370.4×0.004BRCA1
chordate embryonic development12808.7×0.004BRCA1
negative regulation of centriole replication12407.4×0.004BRCA1
DNA strand resection involved in replication fork processing12106.5×0.004BRCA1
DNA damage tolerance11685.2×0.004BRCA1
homologous recombination11404.3×0.004BRCA1
negative regulation of intracellular estrogen receptor signaling pathway11123.5×0.004BRCA1
regulation of DNA damage checkpoint11123.5×0.004BRCA1
negative regulation of gene expression via chromosomal CpG island methylation11053.2×0.004BRCA1
protein K6-linked ubiquitination1991.3×0.004BRCA1
random inactivation of X chromosome1936.2×0.004BRCA1
negative regulation of reactive oxygen species metabolic process1936.2×0.004BRCA1
negative regulation of fatty acid biosynthetic process1887.0×0.004BRCA1
mitotic G2/M transition checkpoint1802.5×0.004BRCA1
negative regulation of extrinsic apoptotic signaling pathway via death domain receptors1581.1×0.005BRCA1
positive regulation of vascular endothelial growth factor production1495.6×0.005BRCA1
mitotic G2 DNA damage checkpoint signaling1443.5×0.005BRCA1
response to ionizing radiation1411.0×0.005BRCA1
cellular response to ionizing radiation1411.0×0.005BRCA1
positive regulation of DNA repair1358.6×0.006BRCA1
fatty acid biosynthetic process1351.1×0.006BRCA1
centrosome cycle1337.0×0.006BRCA1
intrinsic apoptotic signaling pathway in response to DNA damage1324.1×0.006BRCA1
negative regulation of cell cycle1290.6×0.006BRCA1
regulation of DNA repair1276.3×0.006BRCA1
protein autoubiquitination1234.1×0.007BRCA1
double-strand break repair1203.0×0.008BRCA1
chromosome segregation1173.7×0.009BRCA1
cellular response to tumor necrosis factor1163.6×0.009BRCA1
double-strand break repair via homologous recombination1156.0×0.009BRCA1

Therapeutics

Drug target analysis

Approved (phase 4): 1 · Phase ≥3: 1 · Phased (≥1): 1 · Undrugged: 0

Druggability breadth: 1 of 1 evidence-associated genes (100%) 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.

SymbolExample approved molecule
BRCA1RIBOFLAVIN

Top cohort targets by molecule count

SymbolMoleculesMax phase
BRCA1124

Drugs targeting cohort genes (top 30)

MoleculeMax phaseTargets in cohort
RIBOFLAVIN4BRCA1
DAUNORUBICIN HYDROCHLORIDE4BRCA1
TOPOTECAN HYDROCHLORIDE4BRCA1
DAUNORUBICIN4BRCA1
DOXORUBICIN HYDROCHLORIDE4BRCA1
MESALAMINE4BRCA1
DIPYRIDAMOLE4BRCA1
CURCUMIN3BRCA1
SURAMIN3BRCA1
SURAMIN HEXASODIUM3BRCA1
SODIUM TANSHINONE IIA SULFONATE2BRCA1
HOMIDIUM BROMIDE2BRCA1

Bioactivity and enzyme data

Enzyme cohort genes (≥1 EC): 1.

Cohort genes with ChEMBL bioactivity (full, sorted by assay count)

SymbolAssaysType breakdown
BRCA113Binding:9, Functional:4

Cohort enzymes (BRENDA EC)

SymbolEC numbersNames
BRCA12.3.2.27RING-type E3 ubiquitin transferase

Pharmacogenomics

Cohort genes with a PharmGKB record: 1; with CPIC/DPWG dosing guidelines: 0.

No cohort gene has a CPIC/DPWG genotype-guided dosing guideline (PharmGKB).

Drug repurposing candidates

12 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.

CompoundMax phaseCohort target (bioactivity)
RIBOFLAVIN4BRCA1
DAUNORUBICIN HYDROCHLORIDE4BRCA1
TOPOTECAN HYDROCHLORIDE4BRCA1
DAUNORUBICIN4BRCA1
DOXORUBICIN HYDROCHLORIDE4BRCA1
MESALAMINE4BRCA1
DIPYRIDAMOLE4BRCA1
CURCUMIN3BRCA1
SURAMIN3BRCA1
SURAMIN HEXASODIUM3BRCA1
SODIUM TANSHINONE IIA SULFONATE2BRCA1
HOMIDIUM BROMIDE2BRCA1

Druggability pyramid

Cohort genes binned by druggability tier (high → low):

TierDefinitionGenesSymbols
AApproved (phase 4 drug)1BRCA1
BPhased (≥1) drug, not yet approved0
CDruggable family + PDB, no drug0
DDruggable family + AlphaFold only, no drug0
EDifficult family or no structure, no drug0

Undrugged target profiles

0 cohort genes are undrugged. Ranked by ‘starting-point quality’ (assay depth + drugged-partner adjacency).

Clinical trials & evidence

Clinical trials

Clinical trials: 349.

Phase distribution (across all retrieved trials)

PhaseTrials
PHASE2152
PHASE177
Not specified56
PHASE334
PHASE1/PHASE222
PHASE2/PHASE34
EARLY_PHASE14

Top trials by phase / activity

NCTPhaseStatusTitle
NCT02758951PHASE2/PHASE3ACTIVE_NOT_RECRUITINGPerioperative Systemic Therapy for Isolated Resectable Colorectal Peritoneal Metastases
NCT04498117PHASE3ACTIVE_NOT_RECRUITINGOregovomab Plus Chemo in Newly Diagnosed Patients With Advanced Epithelial Ovarian Cancer Following Optimal Debulking Surgery
NCT05009082PHASE3RECRUITINGNiraparib vs Niraparib Plus Bevacizumab in Patients With Platinum/Taxane-based Chemotherapy in Advanced Ovarian Cancer
NCT05445778PHASE3ACTIVE_NOT_RECRUITINGMirvetuximab Soravtansine With Bevacizumab Versus Bevacizumab as Maintenance in Platinum-sensitive Epithelial Ovarian, Fallopian Tube, or Peritoneal Cancer
NCT00002717PHASE3COMPLETEDPaclitaxel and Cisplatin in Treating Patients With Stage III or Stage IV Ovarian Cancer or Primary Peritoneal Cancer
NCT00002894PHASE3COMPLETEDPlatinum-based Chemotherapy With or Without Paclitaxel in Treating Patients With Relapsed Ovarian Cancer
NCT00002895PHASE3COMPLETEDEarly Chemotherapy Based on CA 125 Level Alone Compared With Delayed Chemotherapy in Treating Patients With Recurrent Ovarian Epithelial , Fallopian Tube, or Primary Peritoneal Cancer
NCT00003120PHASE3COMPLETEDS9701 Paclitaxel in Treating Patients With Advanced Ovarian, Fallopian Tube, or Primary Peritoneal Cancer in Remission
NCT00003322PHASE3COMPLETEDCombination Chemotherapy in Treating Patients With Primary Peritoneal or Stage III Epithelial Ovarian Cancer
NCT00003636PHASE3COMPLETEDChemotherapy Plus Surgery in Treating Patients With Stage III or Stage IV Ovarian, Peritoneal, or Fallopian Tube Cancer
NCT00003880PHASE2/PHASE3TERMINATEDPaclitaxel Plus Carboplatin With or Without SCH-58500 in Treating Patients With Newly Diagnosed Stage III Ovarian or Stage III Primary Peritoneal Cancer
NCT00003998PHASE3COMPLETEDCarboplatin Plus Paclitaxel or Docetaxel in Treating Patients With Ovarian Epithelial Cancer
NCT00004115PHASE3UNKNOWNMonoclonal Antibody Therapy in Treating Patients With Ovarian Cancer or Primary Peritoneal Cancer in Remission Following Surgery and Chemotherapy
NCT00004934PHASE3COMPLETEDPaclitaxel and Carboplatin With or Without Epirubicin in Treating Patients With Stage IIB, Stage III, or Stage IV Invasive Ovarian Epithelial, Fallopian Tube, or Peritoneal Cancer
NCT00028743PHASE3COMPLETEDCombination Chemotherapy Regimens in Ovarian Epithelial Cancer, Primary Peritoneal Cancer, or Fallopian Tube Cancer
NCT00041080PHASE3COMPLETEDTamoxifen Compared With Thalidomide in Treating Women With Ovarian Epithelial Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cancer
NCT00043082PHASE3COMPLETEDS0200 Carboplatin With or Without Doxil in Patients With Recurrent Ovarian Cancer
NCT00045461PHASE2/PHASE3UNKNOWNCombination Chemotherapy With or Without Whole-Body Hyperthermia in Treating Patients With Recurrent Ovarian Epithelial, Fallopian Tube, or Peritoneal Cancer
NCT00075712PHASE2/PHASE3COMPLETEDTiming of Surgery and Chemotherapy in Treating Patients With Newly Diagnosed Advanced Ovarian Epithelial, Fallopian Tube, or Primary Peritoneal Cavity Cancer
NCT00098878PHASE3COMPLETEDCarboplatin in Treating Patients With Stage IC-IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
NCT00245050PHASE3COMPLETEDPyridoxine in Preventing Hand-Foot Syndrome in Patients Who Are Receiving Liposomal Doxorubicin for Cancer
NCT00263822PHASE3COMPLETEDErlotinib or Observation in Treating Patients Who Have Undergone First-Line Chemotherapy for Ovarian Cancer, Peritoneal Cancer, or Fallopian Tube Cancer
NCT00483782PHASE3COMPLETEDCarboplatin and Paclitaxel With or Without Bevacizumab in Treating Patients With Newly Diagnosed Ovarian Epithelial Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cavity Cancer
NCT00693342PHASE3WITHDRAWNVaccine Therapy and OPT-821 or OPT-821 Alone in Treating Patients With Ovarian Epithelial Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cancer in Complete Remission
NCT00769405PHASE3COMPLETEDSystemic Chemotherapy With or Without Intraperitoneal Chemohyperthermia in Treating Patients Undergoing Surgery for Peritoneal Carcinomatosis From Colorectal Cancer
NCT00850772PHASE3COMPLETEDEarly Post-Operative Enteral Feeding in Patients With Advanced Epithelial Ovarian Cancer
NCT01493505PHASE3TERMINATEDTRINOVA-3: A Study of AMG 386 or AMG 386 Placebo in Combination With Paclitaxel and Carboplatin to Treat Ovarian Cancer
NCT01704651PHASE3COMPLETEDAccelerating Gastrointestinal Recovery
NCT01968213PHASE3COMPLETEDPhase 3 Study of Rucaparib as Switch Maintenance After Platinum in Relapsed High Grade Serous or Endometrioid Ovarian Cancer (ARIEL3)
NCT02158988PHASE3COMPLETEDCytoreductive Surgery (CRS) With/Without HIPEC in Gastric Cancer With Peritoneal Carcinomatosis
NCT02728622PHASE3COMPLETEDChemotherapy vs Hormonal Treatment in Platinum-resistant Ovarian Cancer Resistant or Refractory to Platinum and Taxane
NCT02855944PHASE3COMPLETEDARIEL4: A Study of Rucaparib Versus Chemotherapy BRCA Mutant Ovarian, Fallopian Tube, or Primary Peritoneal Cancer Patients
NCT03359811PHASE3COMPLETEDFour Quadrants Transverse Abdominus Plane (4Q-TAP) Block With Plain and Liposomal Bupivacaine vs. Thoracic Epidermal Analgesia (TEA) in Patients Undergoing Cytoreductive Surgery With Hyperthermic Intraperitoneal Chemotherapy (CRS-HIPEC) on an Enhanced Recovery Pathway
NCT03693248PHASE3UNKNOWNReduction Of Cycles of neOadjuvant Chemotherapy for Advanced Epithelial Ovarian, Fallopian and Primary Peritoneal Cancer
NCT04209855PHASE3COMPLETEDA Study of Mirvetuximab Soravtansine vs. Investigator’s Choice (IC) of Chemotherapy in Platinum-Resistant, Advanced High-Grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers With High Folate Receptor-Alpha (FRα) Expression
NCT04296890PHASE3COMPLETEDA Study of Mirvetuximab Soravtansine in Platinum-Resistant, Advanced High-Grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers With High Folate Receptor-Alpha Expression
NCT04676334PHASE3COMPLETEDCATCH-R: A Rollover Study to Provide Continued Access to Rucaparib
NCT05622890PHASE3UNKNOWNA Single-arm Clinical Trial of IMGN853 in Chinese Adult Patients With Platinum-resistant, Epithelial Ovarian Cancer
NCT02873962PHASE2ACTIVE_NOT_RECRUITINGA Phase II Study Of Nivolumab/ Bevacizumab/Rucaparib
NCT03280511PHASE2RECRUITINGAdjuvant Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) in Resected High Risk Colon Cancer Patients

Drugs tested across these trials (top 30)

MoleculeMax phaseTrials referencing
CISPLATIN421
TOPOTECAN412
CARBOPLATIN48
PACLITAXEL48
RUCAPARIB46
MIRVETUXIMAB SORAVTANSINE45
TAMOXIFEN45
ERLOTINIB HYDROCHLORIDE44
DOCETAXEL ANHYDROUS43
PYRIDOXINE43
AMIFOSTINE42
DOXORUBICIN42
NIRAPARIB42
ALVIMOPAN41
BUPIVACAINE41
EPIRUBICIN HYDROCHLORIDE41
ETOPOSIDE PHOSPHATE41
FLOXURIDINE41
GANCICLOVIR41
IFOSFAMIDE41
LEUCOVORIN41
OCTREOTIDE ACETATE41
OXALIPLATIN41
THALIDOMIDE41
THIOTEPA41
OREGOVOMAB34
EXATECAN32
ARZOXIFENE HYDROCHLORIDE21
LY-29550121
CHEMBL4808