{
  "meta": {
    "data_length": 1,
    "message": "Proposition id prop:vtxr:654 retrieved successfully",
    "request_url": "http://api.moalmanac.org/propositions?proposition_id=prop%3Avtxr%3A654",
    "status": "success",
    "status_code": 200,
    "timestamp_elapsed": 0.001785,
    "timestamp_received": "2026-09-25T05:26:52.647195+00:00Z",
    "timestamp_returned": "2026-09-25T05:26:52.648980+00:00Z",
    "trace_id": "84fcbf50-e4ec-4446-9ba5-82ab4ada3265"
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    "name": "Molecular Oncology Almanac",
    "license": "GPL-2.0",
    "release": "draft",
    "url": "https://dev.moalmanac.org",
    "last_updated": "2026-08-02"
  },
  "data": [
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      "id": "prop:vtxr:654",
      "type": "VariantTherapeuticResponseProposition",
      "predicate": "predictsSensitivityTo",
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        "type": "CategoricalVariant",
        "description": "Placeholder. Cat-VRS does not yet support sets of categorical variants. See the 'biomarkers' extension for biomarkers associated with this Proposition."
      },
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        "name": "Invasive Breast Carcinoma",
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            "name": "solid_tumor",
            "value": true,
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        ],
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          "name": "Invasive Breast Carcinoma",
          "system": "https://oncotree.mskcc.org",
          "systemVersion": "oncotree_2021_11_02",
          "iris": [
            "https://oncotree.mskcc.org/?version=oncotree_2021_11_02&field=CODE&search=BRCA"
          ]
        }
      },
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                  ]
                }
              },
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                }
              },
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                }
              },
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                "relation": "relatedMatch",
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                }
              }
            ],
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              {
                "name": "therapy_strategy",
                "value": [
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                "description": "Associated therapeutic strategy or mechanism of action of the therapy."
              },
              {
                "name": "therapy_type",
                "value": "Targeted therapy",
                "description": "Type of cancer treatment from cancer.gov: https://www.cancer.gov/about-cancer/treatment/types"
              }
            ],
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            }
          },
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                "relation": "relatedMatch",
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              },
              {
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              },
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                "relation": "relatedMatch",
                "coding": {
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              },
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                "relation": "relatedMatch",
                "coding": {
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                }
              }
            ],
            "extensions": [
              {
                "name": "therapy_strategy",
                "value": [
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                "description": "Associated therapeutic strategy or mechanism of action of the therapy."
              },
              {
                "name": "therapy_type",
                "value": "Hormone therapy",
                "description": "Type of cancer treatment from cancer.gov: https://www.cancer.gov/about-cancer/treatment/types"
              }
            ],
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              ]
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          }
        ]
      },
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        {
          "name": "biomarkers",
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              "id": "bmkr.criterion:2",
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                "id": "bmkr:2",
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                "name": "HER2-negative",
                "constraints": [],
                "extensions": [
                  {
                    "name": "biomarker_type",
                    "value": "Protein expression"
                  },
                  {
                    "name": "marker",
                    "value": "Human epidermal growth factor receptor 2 (HER2)"
                  },
                  {
                    "name": "unit",
                    "value": "status"
                  },
                  {
                    "name": "equality",
                    "value": "="
                  },
                  {
                    "name": "value",
                    "value": "Negative"
                  }
                ]
              }
            },
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                "name": "PR positive",
                "constraints": [],
                "extensions": [
                  {
                    "name": "biomarker_type",
                    "value": "Protein expression"
                  },
                  {
                    "name": "marker",
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                  },
                  {
                    "name": "unit",
                    "value": "status"
                  },
                  {
                    "name": "equality",
                    "value": "="
                  },
                  {
                    "name": "value",
                    "value": "Positive"
                  }
                ]
              }
            },
            {
              "id": "bmkr.criterion:87",
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                "id": "bmkr:87",
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                "name": "PIK3CA Somatic variants",
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                        "system": "ga4gh-gks-term:location-match"
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                    }
                  },
                  {
                    "type": "FeatureContextConstraint",
                    "featureContext": {
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                      "conceptType": "Gene",
                      "name": "PIK3CA",
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                          "relation": "exactMatch",
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                    "name": "biomarker_type",
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                  {
                    "name": "start_position",
                    "value": null
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                  {
                    "name": "end_position",
                    "value": null
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                  {
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                    "value": null
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                  {
                    "name": "alternate_allele",
                    "value": null
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                    "value": null
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                    "value": null
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            }
          ],
          "description": "The biomarkers associated with this Proposition, each with a `present` flag indicating if the biomarker is present (true) or absent (false). Multiple biomarkers are combined with implied AND logic."
        }
      ]
    }
  ]
}