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Related Experiment Videos

The chymopapain clinical trials.

S J Haines

    Neurosurgery
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Chymopapain injections significantly improve outcomes for herniated lumbar discs compared to placebo. Randomized trials show a 2.6 times greater chance of symptom improvement, highlighting chemonucleolysis's efficacy.

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    Area of Science:

    • Orthopedics
    • Neurosurgery
    • Pharmacology

    Background:

    • Herniated lumbar discs are a common cause of low back pain.
    • Chymopapain (chemonucleolysis) is a minimally invasive treatment option.
    • Controversy exists regarding its efficacy compared to placebo and surgery.

    Purpose of the Study:

    • To assess the efficacy of chymopapain injection for herniated lumbar discs.
    • To compare chymopapain's success rate against placebo using pooled data from randomized clinical trials.

    Main Methods:

    • Review and pooling of data from three published randomized clinical trials.
    • Comparison of chymopapain injection versus placebo injection.
    • Analysis of patient selection criteria, injection technique, and outcome assessment.

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    Main Results:

    • Pooled results indicate chymopapain injection is significantly more effective than placebo.
    • Patients receiving chymopapain had 2.6 times greater odds of successful symptom improvement.
    • This represents a 50% greater probability of success or a 23% increase in successfully treated patients.

    Conclusions:

    • Randomized clinical trials provide robust evidence for chymopapain's efficacy in treating herniated lumbar discs.
    • The data suggest chemonucleolysis is a viable treatment option.
    • Further randomized studies are recommended to compare chymopapain directly with discectomy.