Vinblastine

Evidence Level: L4 Predicted Indications: 10

Table of Contents

  1. Vinblastine
    1. Pharmacist Assessment Report
    2. Vinblastine: Rhabdomyosarcoma (disease)
    3. One-Sentence Summary
    4. Quick Overview
    5. Why is This Prediction Reasonable?
    6. Clinical Trial Evidence
    7. Literature Evidence
    8. India Market Information
    9. Cytotoxicity
    10. Safety Considerations
    11. Conclusion and Next Steps
    12. Disclaimer

Pharmacist Assessment Report

Vinblastine: Rhabdomyosarcoma (disease)

One-Sentence Summary

Vinblastine is a vinca alkaloid that blocks cell division by binding tubulin. The TxGNN model predicts it may be effective for rhabdomyosarcoma, with an evidence level of L4. There are currently no registered clinical trials, and the literature consists mainly of case reports of vinblastine-containing combination chemotherapy, plus preclinical work.

Quick Overview

Item Content
Original Indication Not recorded in the local data
Predicted New Indication Rhabdomyosarcoma (disease)
TxGNN Prediction Score 0.9986
Evidence Level L4
India Market Status Listed in a compiled Indian medicine price dataset (4 of 4) – CDSCO approval status is not included in this data
Number of Listed Products 4 (valid: 4)
Recommended Decision Hold

Why is This Prediction Reasonable?

Vinblastine binds tubulin, the protein building block of microtubules, and disrupts microtubule dynamics. This causes mitotic arrest in rapidly dividing cells, which is a plausible antitumour mechanism in rhabdomyosarcoma, a fast-growing soft tissue tumour. Detailed mechanism-of-action data are not otherwise available in the data compiled for this report.

Supporting evidence is limited. A case report describes a partial response in an adult with perianal rhabdomyosarcoma after a regimen of nivolumab, dacarbazine, cisplatin and vinblastine. Another older case report describes a child with refractory prostatic rhabdomyosarcoma whose pelvic mass shrank rapidly on cisplatin, vinblastine and peplomycin. In both, vinblastine was given with other agents, so its own contribution cannot be separated out.

Preclinical work adds some mechanistic context: a study in rhabdomyosarcoma models found synthetic lethality between PLK1 inhibitors and microtubule-destabilising drugs, and xenograft work examined the selectivity of vinca alkaloids in human rhabdomyosarcoma.

Clinical Trial Evidence

Currently no related clinical trials registered.

Literature Evidence

PMID Year Type Journal Key Findings
38050209 2023 Case report/Review Medicine Adult perianal rhabdomyosarcoma; partial response after nivolumab, dacarbazine, cisplatin and vinblastine, followed by surgery
2451411 1987 Case report/Review Hinyokika Kiyo Refractory prostatic rhabdomyosarcoma in a child; rapid shrinkage of the pelvic mass with cisplatin, vinblastine and peplomycin
22156656 2011 Pilot study Oncotarget Pilot of a pediatric metronomic 4-drug regimen in resistant cancers
3329524 1987 Preclinical Anti-Cancer Drug Design Human rhabdomyosarcoma xenografts in mice used to study the therapeutic selectivity of vinca alkaloids
26024389 2015 Preclinical Cell Death and Differentiation Synthetic lethality of PLK1 inhibitors with microtubule-destabilising drugs in rhabdomyosarcoma models
41216926 2026 Cohort Pediatric Blood & Cancer Trials in non-rhabdomyosarcoma soft tissue sarcoma in children; limited relevance
14328283 1965 Historical review British Journal of Clinical Practice Historical overview of tumour chemotherapy in children

India Market Information

Authorization Number Product Name Dosage Form Approved Indication
106054 Hoydetain 1mg Injection Vial of 10 ml powder for injection Not specified in the licence record
230727 Uniblastin 10mg Injection Vial of 10 ml injection Not specified in the licence record
118945 Kristina V 1mg Injection Vial of 1 injection Not specified in the licence record
236396 Vblastin 10mg Injection Vial of 10 ml injection Not specified in the licence record

All four registrations are valid single-ingredient injectable products.

Cytotoxicity

Item Content
Cytotoxicity Classification Conventional cytotoxic (vinca alkaloid, antimitotic)
Myelosuppression Risk High (neutropenia and thrombocytopenia are recognised concerns)
Emetogenicity Classification Please refer to the package insert warnings and precautions
Monitoring Items CBC with differential, liver function, signs of peripheral neuropathy
Handling Protection Must follow cytotoxic drug handling regulations; injectable vesicant, intravenous use only

Safety Considerations

  • Drug Interactions: 371 interactions were found in total. Notable examples include the major interaction with clarithromycin, and moderate interactions with aprepitant, dexamethasone, metronidazole, miconazole, rolapitant, rosuvastatin, simvastatin and tinidazole.
  • Conditions of concern (recorded as contraindication relationships, not label text): liver failure, thrombocytopenia, neutropenia, agranulocytosis, peripheral neuropathy, hyperbilirubinemia, Gilbert syndrome, lung disease, myocardial ischemia and coronary artery disease, and infectious disease.

Package insert warnings and contraindications for the Indian products are not available in the data compiled for this report. Please refer to the package insert for full safety information.

Conclusion and Next Steps

Decision: Hold

Rationale: The evidence level is L4: the support for rhabdomyosarcoma consists only of case reports of vinblastine-containing combination chemotherapy and preclinical studies. No clinical trials are registered, and vinblastine’s own contribution cannot be separated from co-administered drugs.

To proceed, the following is needed:

  • Prospective clinical data, or a registered trial, evaluating vinblastine in rhabdomyosarcoma
  • Review of vinblastine’s role within modern standard-of-care rhabdomyosarcoma regimens
  • Package insert warnings and contraindications for the Indian products
  • Detailed mechanism-of-action data
  • A safety monitoring plan covering myelosuppression, neurotoxicity and the major drug interactions

Disclaimer

This content is for research purposes only and does not constitute medical advice. Clinical validation is required before any clinical application.