{"id":"ergocalciferol-vitamin-d2","safety":{"commonSideEffects":[{"rate":null,"effect":"Hypercalcemia"},{"rate":null,"effect":"Hypercalciuria"},{"rate":null,"effect":"Nausea"},{"rate":null,"effect":"Vomiting"},{"rate":null,"effect":"Constipation"},{"rate":null,"effect":"Weakness"}]},"_chembl":{"chemblId":"CHEMBL1536","moleculeType":"Small molecule","molecularWeight":"396.66"},"_dailymed":{"setId":"bc3ed1e0-0bb9-1cc0-e053-2995a90a48fe","title":"ERGOCALCIFEROL (VITAMIN D2) CAPSULE [ADVANCED RX PHARMACY OF TENNESSEE, LLC]"},"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Ergocalciferol is a plant-derived form of vitamin D that undergoes hydroxylation in the liver and kidneys to form the active metabolite calcitriol. This active form binds to the vitamin D receptor (VDR), a nuclear receptor that modulates gene expression to increase intestinal calcium absorption, regulate serum calcium and phosphate levels, and support bone mineralization. Additionally, vitamin D receptor signaling plays important roles in immune cell differentiation and function.","oneSentence":"Ergocalciferol (vitamin D2) is converted in the body to its active form, which binds to the vitamin D receptor to regulate calcium and phosphate homeostasis and support bone health and immune function.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T04:30:04.140Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Vitamin D deficiency"},{"name":"Hypoparathyroidism"},{"name":"Rickets"},{"name":"Osteomalacia"},{"name":"Hypophosphatemia"}]},"trialDetails":[{"nctId":"NCT06969716","phase":"","title":"Frequency of Fibromyalgia Syndrome in Elderly Patients Aged 80 and Above and Its Relationship With Geriatric Parameters","status":"COMPLETED","sponsor":"Sultan 1. 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