Combination of metformin and parthenolide inhibits breast cancer in mice by apoptosis induction and angiogenesis inhibition - Report - MDSpire

Combination of metformin and parthenolide inhibits breast cancer in mice by apoptosis induction and angiogenesis inhibition

  • By

  • Raghad K. Alomari

  • Moudi M Alasmari

  • Heba K Alshaeri

  • Alexandra Makai

  • Wamidh H Talib

  • Márta Hock

  • June 10, 2026

  • 0 min

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Clinical Report: Synergistic Effects of Metformin and Parthenolide on Breast Cancer

Overview

This study investigates the combined anticancer effects of metformin and parthenolide on breast cancer in vitro and in vivo. The findings indicate a significant reduction in tumor size and induction of apoptosis without treatment-related mortality.

Background

Breast cancer is a prevalent malignancy and a leading cause of cancer-related deaths globally. Current treatment options often face challenges such as resistance and toxicity, highlighting the need for new therapeutic strategies. Metformin, an antidiabetic agent, and parthenolide, an anti-inflammatory compound, have shown potential in cancer treatment, warranting further exploration of their combined effects.

Data Highlights

ParameterResult
Combination cure rate50%
Treatment-related mortality0%
VEGF expressionReduced
Serum AST, ALT, creatinine levelsWithin normal ranges

Key Findings

  • Metformin and parthenolide exhibited synergistic antiproliferative effects against breast cancer cell lines.
  • The combination therapy significantly reduced tumor size in vivo.
  • Induction of caspase-3-dependent apoptosis was observed with the combination treatment.
  • VEGF expression was significantly reduced compared to either agent alone.
  • Serum levels of AST, ALT, and creatinine remained normal in treated mice, indicating safety.

Clinical Implications

The combination of metformin and parthenolide may offer a novel therapeutic approach for breast cancer treatment, demonstrating efficacy without significant toxicity. Further studies are needed to explore the molecular mechanisms and potential clinical applications of this combination.

Conclusion

The findings support the potential of metformin and parthenolide as a synergistic treatment for breast cancer, highlighting the need for additional research to validate these results in clinical settings.

Related Resources & Content

  1. The ASCO Post, 2014 -- Potential Roles for Metformin and Everolimus in Obese Women With ER-Positive Breast Cancer
  2. The ASCO Post, 2013 -- Synergy of Metformin and Gefitinib in LKB1 Wild-type NSCLC Cell Lines
  3. The ASCO Post, 2022 -- Combination Therapy of Olaparib, Cyclophosphamide, and Metformin Under Study in Advanced Endometrial Cancer
  4. Frontiers in Oncology -- The efficacy of angiogenesis inhibitors combined with chemotherapy in advanced breast cancer: a systematic review and meta-analysis
  5. Early breast cancer: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up - ScienceDirect
  6. Effect of Metformin vs Placebo on Invasive Disease–Free Survival in Patients With Breast Cancer: The MA.32 Randomized Clinical Trial - PMC
  7. Early breast cancer: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up - ScienceDirect
  8. Effect of Metformin vs Placebo on Invasive Disease–Free Survival in Patients With Breast Cancer: The MA.32 Randomized Clinical Trial - PMC
  9. Phase 1 dose-escalation study of ACT001 in patients with recurrent glioblastoma and other advanced solid tumors. | Journal of Clinical Oncology

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