Key facts
- Active ingredient
- Mitomycin
- Drug class
- Alkylating Drug
- Form
- Injectable
- Strength
- Mitomycin 20MG/VIAL **Federal Register Determination That Product was not Discontinued or Withdrawn for Safety or Effectiveness reasons** · Mitomycin 5MG/VIAL **Federal Register Determination That Product was not Discontinued or Withdrawn for Safety or Effectiveness reasons**
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- Bristol
- FDA application
- NDA050450
- Availability
- Discontinued (per FDA)
Drug class
How this class works, per Cyclophosphamide — StatPearls, NCBI Bookshelf (NIH).
May treat (source: NIH RxClass)
See how Mutamycin ranks — best-rated alkylating drug for:
Dosage forms
Injectable
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
A same-class option may cost less. See alternatives →
Frequently asked questions
- What does Mutamycin treat?
- Mutamycin (Mitomycin) may be used to treat adenocarcinoma, urinary bladder neoplasms, pancreatic neoplasms, stomach neoplasms, colorectal neoplasms, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
- How does Mutamycin work?
- Mutamycin is a alkylating drug. Alkylating chemotherapy drugs attach chemical groups to a cell's DNA, forming cross-links that lock the two DNA strands together. This damage stops the cell from copying its DNA and dividing, which triggers it to die; because they are not limited to one phase of the cell cycle, they can act on cells whether or not they are actively dividing.
- Is there a coupon or discount for Mutamycin?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Mutamycin. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Mutamycin?
- Mutamycin is marketed by Bristol. You can see Bristol's full profile, rating, and other products on pharmaranks.
- Is Mutamycin a brand-name or generic drug?
- Mutamycin is a brand-name product with the active ingredient Mitomycin. Lower-cost generic equivalents containing Mitomycin are available — ask your pharmacist.
- Is Mutamycin available over the counter?
- No. Mutamycin is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Mutamycin come in?
- Mutamycin is currently marketed as injectable, per the FDA's National Drug Code Directory.
- What class of drug is Mutamycin?
- Mutamycin is classified as alkylating drug, per the FDA's Established Pharmacologic Class.
- Is Mutamycin FDA-registered?
- Mutamycin is on record with the U.S. FDA under application number NDA050450. You can verify this on its official FDA label.
Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
What people report to the FDA about MITOMYCIN
The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 3,395 reports naming MITOMYCIN — the active ingredient in Mutamycin, and the FDA flagged 93% of those reports as serious. The effects reported most often — leaving out reports about overdose, misuse or the condition being treated, which dominate the raw list for common medicines:
- diarrhoea241 reports
- nausea194 reports
- neutropenia166 reports
- thrombocytopenia166 reports
- vomiting131 reports
- pancytopenia120 reports
- fatigue119 reports
- febrile neutropenia103 reports
Read these as a signal, not a rate. A report does not mean MITOMYCIN caused the effect — anyone can file one, and many describe people taking several medicines for several conditions. Crucially there is no denominator: FAERS does not record how many people took the drug, so these counts cannot be turned into “X% of patients” — a bigger number often just means a more widely used or more talked-about drug. Duplicates exist, and publicity drives reporting. For what is actually established, read the FDA label.
Source: openFDA drug/event (FAERS), retrieved September 25, 2026.
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