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This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.

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.

N-type Calcium Channel Blocker · Analgesic

Ziconotide (Prialt) Peptide

Synthetic ω-conopeptide for severe chronic pain via intrathecal infusion.

Medically reviewed for educational accuracy
Published Last reviewed

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.

FDA-Approved

Plain-Language Label Highlights

Brand names: Prialt

What it's approved for

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.

Boxed Warning

Severe psychiatric symptoms and cognitive impairment — contraindicated with any history of psychosis.

Common side effects
  • Dizziness
  • Confusion
  • Nausea
  • Memory impairment
  • Abnormal gait
Serious risks to know
  • Severe psychiatric and neurologic effects (psychosis, suicidality)
  • Meningitis from pump system
  • Elevated creatine kinase / muscle injury
  • Cognitive impairment
Who should avoid or use with extra caution
  • 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

Severe chronic pain refractory to systemic analgesics, intrathecal morphine

Ziconotide (Prialt) Dosage & Common Research Protocols

Intrathecal infusion

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

[1]JAMA·2004 Peer-reviewed

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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