Arsenic Trioxide
Injection
To Be Discontinued
FDA shortage record
- Substance
- Arsenic Trioxide
- Manufacturer
- Ingenus Pharmaceuticals, LLC
- Dosage form
- Injection
- Presentation
- Arsenic Trioxide, Injection, 1 mg/1 mL (NDC 50742-438-10)
- Route(s)
- INTRAVENOUS
- Therapeutic category
- Oncology
- Package NDC
50742-438-10- Initially posted
- 02/24/2026
- Discontinued
- 02/24/2026
- Current FDA status
- To Be Discontinued
Reason and context
A business decision was made to discontinue manufacture of the drug.
Manufacturer contact
Per the FDA record, the manufacturer's contact for supply inquiries is 866-321-5031.
If you're affected by this shortage
- Talk to your prescribing clinician or pharmacist about therapeutic alternatives. Do not switch medications on your own.
- Ask your pharmacy to check supply across multiple wholesalers and other branches.
- Check current pharmacy pricing and availability via GoodRx (affiliate link).
- Report a continuing supply problem to FDA via the FDA Drug Shortages contact form.
Sources
- FDA Drug Shortages database, accessed via the openFDA Drug Shortages API.
- FDA Structured Product Label (SPL set ID
c99b01b4-67ff-4793-8375-fe3a21c6c9be). - FDA UNII identifier:
S7V92P67HO. - See the Drug Shortage Tracker methodology for sourcing, update cadence, normalization rules, and limits.
Important
This page reproduces publicly available FDA shortage data for informational purposes only. It is not medical advice and does not establish a clinician-patient relationship. Shortage status changes frequently; verify directly with your pharmacist or the FDA Drug Shortages site before making any treatment decision.