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Statements on this site have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability and eligibility vary.
Ziconotide (Prialt) Peptide
Synthetic ω-conopeptide for severe chronic pain via intrathecal infusion.
What is Ziconotide (Prialt)?
Ziconotide (Prialt) is a n-type calcium channel blocker · analgesic peptide studied for severe chronic pain refractory to systemic analgesics, intrathecal morphine. Below is an educational overview of Ziconotide (Prialt) peptide benefits, mechanism, common research protocols, dosage references, and known side effects.
Plain-Language Label Highlights
Brand names: Prialt
Severe chronic pain in adults when other intrathecal pain therapies have failed or aren't tolerated.
A spinal-pump-only pain medicine, derived from a cone snail toxin, used as a last-resort option for severe chronic pain — does NOT cause opioid dependence.
Severe psychiatric symptoms and cognitive impairment — contraindicated with any history of psychosis.
- •Dizziness
- •Confusion
- •Nausea
- •Memory impairment
- •Abnormal gait
- •Severe psychiatric and neurologic effects (psychosis, suicidality)
- •Meningitis from pump system
- •Elevated creatine kinase / muscle injury
- •Cognitive impairment
- •Any history of psychosis
- •Infection at infusion site
- •Spinal canal obstruction
Educational summary of the FDA prescribing information. Not a substitute for the full label or medical advice. Always discuss with a licensed prescriber.
Ziconotide (Prialt) Mechanism of Action
Synthetic version of ω-conotoxin MVIIA from cone snail Conus magus; selectively blocks N-type voltage-gated calcium channels on primary afferent nerve terminals in the spinal dorsal horn, inhibiting nociceptive neurotransmitter release.
Ziconotide (Prialt) Research Areas & Benefits
Ziconotide (Prialt) Dosage & Common Research Protocols
Start 2.4 mcg/day, titrate slowly via implanted intrathecal pump.
Protocols summarized for educational reference from published research. Not dosing guidance.
Ziconotide (Prialt) Studies & Cited Research
Ziconotide intrathecal pivotal trial
Significant pain relief in opioid-refractory chronic pain.
Why we trust this source: Published in a peer-reviewed scientific journal with editorial and reviewer oversight.
Citations are linked to PubMed, Google Scholar, and Crossref searches so you can verify the source independently. All references are reviewed during our editorial passes (last reviewed June 1, 2026).
Ziconotide (Prialt) Side Effects & Safety Considerations
- •FDA-approved.
- •Black-box warning for severe psychiatric and neurologic effects.
- •Contraindicated in history of psychosis.
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Educational Information Only — Not Medical Advice
All content on this page is for educational and informational purposes only. It is not medical advice, diagnosis, or treatment. We make no claims that any peptide can diagnose, treat, cure, or prevent any disease. Peptides discussed are not FDA-approved for the indications listed unless explicitly stated otherwise.
Always consult a licensed healthcare provider before beginning any wellness protocol. Statements have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability, eligibility, and pricing may vary.
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