TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

DRISDOL

ERGOCALCIFEROL
Metabolic Approved 1941-01-11
1
Indication
--
Phase 3 Trials
85
Years on Market

Details

Status
Prescription
First Approved
1941-01-11
Routes
ORAL
Dosage Forms
CAPSULE

Companies

Active Ingredient: ERGOCALCIFEROL

DRISDOL Approval History

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What DRISDOL Treats

3 indications

DRISDOL is approved for 3 conditions since its original approval in 1941. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Hypoparathyroidism
  • Rickets
  • Familial Hypophosphatemia
Source: FDA Label
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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

DRISDOL FDA Label Details

Pro

Indications & Usage

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familial hypophosphatemia.

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.