Clinical trial Recruiting at 9 sites Observational Ages 18 and up

Observing the use of Ziconotide for treating severe chronic pain

Official title: OP2C : Prialt® Observatory in Clinical Practice

Run by Institut Cancerologie de l'Ouest · NCT04321408 · Data updated 2026-11-12

This study looks at how well Ziconotide works for people with severe chronic pain and whether it’s safe to use in real-life situations.

More Refractory Pain trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment300 (estimated)
SponsorInstitut Cancerologie de l'Ouest
Academic / other
Locations17 sites (Angers and 16 other locations)
StatusRecruiting
StartedJuly 10, 2020
Main results expectedSeptember 2027
Study endsSeptember 2027
Registry record updatedAugust 17, 2025
Trial IDNCT04321408 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who experience severe refractory chronic pain and are suitable for intrathecal analgesia with Ziconotide.

Probably not a fit

Patients with contraindications to Ziconotide will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on the use of Ziconotide, a potent analgesic administered via intrathecal injection, for patients suffering from refractory chronic pain. The study aims to gather data on its effectiveness and safety in clinical practice, particularly regarding the management of neuropsychiatric adverse reactions associated with its use. By analyzing real-world outcomes, the study seeks to enhance understanding of optimal dosing and administration practices for Ziconotide. The findings could help refine treatment protocols and improve patient care.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the safe and effective use of Ziconotide, potentially improving pain management for patients with refractory chronic pain.

How similar studies have gone: While Ziconotide has been previously studied in randomized clinical trials, this observational approach aims to gather new data on its current clinical use, making it a novel contribution to the existing literature.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years old
* Severe refractory chronic pain requiring intrathecal analgesia
* Candidate for intrathecal analgesia treatment with ziconotide
* Patient informed about the study and agreeing to take part in.

Exclusion Criteria:

* Contraindications to ziconotide

Where it's running

  • University of Freiburg
    Freiburg im Breisgau, Germany
    Recruiting
  • Justus-Liebig-Universitat
    Giessen, Germany
    Recruiting
  • Jena University Hospital
    Jena, Germany
    Recruiting
  • Hospital Universitario Puerta Del Mar
    Cadiz, Spain
    Recruiting
  • Hospital General Universitario Santa Lucía
    Cartagena, Spain
    Recruiting
  • Hospital Universitario Virgen de las Nieves
    Granada, Spain
    Recruiting
Show 11 more locations
  • Hospital Complexo Hospitalario de Ourense
    Ourense, Spain
    Recruiting
  • Hospital Universitario Virgen del Rocío
    Seville, Spain
    Recruiting
  • Hospital Clínico Universitario de Valencia
    Valencia, Spain
    Recruiting
  • Institut de Cancerologie de L'Ouest
    Angers, France
    Active not recruiting
  • Centre Hospitalier Departemental La Roche Sur Yon
    La Roche-sur-Yon, France
    Active not recruiting
  • Centre Leon Berard
    Lyon, France
    Active not recruiting
  • Institut de Cancerologie de Montpellier
    Montpellier, France
    Suspended
  • Clinique Breteche
    Nantes, France
    Suspended
  • Chu Nice
    Nice, France
    Suspended
  • Institut Curie
    Saint-Cloud, France
    Suspended
  • Hopital - Foch
    Suresnes, France
    Active not recruiting

Study contacts

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.