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Related Concept Videos

Clinical Trials: Overview01:11

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...

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Considerations and methodology for trialing ziconotide.

Allen W Burton1, Timothy R Deer, Mark S Wallace

  • 1University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA. awburton@mdanderson.org

Pain Physician
|February 2, 2010
PubMed
Summary

This review compares ziconotide trialing methods for severe chronic pain management. Current evidence suggests all three methods are viable, but more controlled studies are needed to determine optimal safety and effectiveness.

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Area of Science:

  • Pain Management
  • Pharmacology
  • Neurology

Background:

  • Intrathecal analgesic therapy often requires a spinal analgesia trial before long-term initiation.
  • Ziconotide is a nonopioid intrathecal analgesic for severe chronic pain.
  • Various methods exist for trialing ziconotide.

Purpose of the Study:

  • To compare and discuss different methods for ziconotide trialing.
  • To evaluate the current evidence on ziconotide trialing techniques.

Main Methods:

  • Comprehensive literature search of multiple databases (PubMed, EMBASE, etc.) and association meeting abstracts.
  • Inclusion of terms: ziconotide, Prialt, trial, and trialing.
  • Identification of nine relevant sources, including expert opinion.

Main Results:

  • Three primary ziconotide trialing methods identified: continuous infusion, limited-duration infusion, and bolus injection.
  • Analgesia is frequently achieved during trials, irrespective of method.
  • Adverse events in trials mirror those in clinical studies; effectiveness and safety may be dose-dependent.

Conclusions:

  • Currently, it's impossible to definitively determine the relative safety and effectiveness of different ziconotide trialing methods due to small sample sizes and lack of controlled studies.
  • All identified trialing methods appear viable, with no single method proven superior.
  • Further controlled studies comparing ziconotide trialing methods are warranted.