5-alpha reductase inhibitor

{
  "id": "MLC-T-ONC-000063",
  "term": "5-alpha reductase inhibitor",
  "field": "Oncology and biomedicine",
  "definition": "A substance that blocks an enzyme needed by the body to make dihydrotestosterone (a male sex hormone made from testosterone). Dihydrotestosterone can cause the prostate to grow. 5-alpha reductase inhibitors are used to shrink an enlarged prostate gland and to improve the flow of urine in a condition called benign prostatic hyperplasia (BPH). A 5-alpha reductase inhibitor is a type of enzyme inhibitor.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/5-alpha-reductase-inhibitor/"
}