{
  "resourceType": "ActivityDefinition",
  "id": "plannedInvestigationalDrug1",
  "name": "planned Investigational Drug GA101",
  "status": "draft",
  "experimental": true,
  "date": "2018-08-07",
  "copyright": "Medical Systems R&D group",
  "productReference": {
    "reference": "Medication/investigationalDrug1",
    "display": "GA101"
  },
  "dosage": [
    {
      "text": "D1 mit 100mg",
      "timing": {
        "event": "2015-12-04"
      },
      "doseQuantity": "100"
    },
    {
      "text": "D2 mit 900mg",
      "timing": {
        "event": "2015-12-05"
      },
      "doseQuantity": "900"
    },
    {
      "text": "D8 mit 1000mg",
      "timing": {
        "event": "2015-12-11"
      },
      "doseQuantity": "1000"
    },
    {
      "text": "D15 mit 1000mg",
      "timing": {
        "event": "2015-12-18"
      },
      "doseQuantity": "1000"
    }
  ]
}