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Ivermectin converts cold tumors hot and synergizes with immune checkpoint blockade for treatment of breast cancer

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Paper Summary

Paperzilla title
Ivermectin Shows Promise Against Breast Cancer (in Mice)

This study, conducted on mice, suggests that ivermectin can make breast tumors more responsive to immunotherapy by increasing T-cell infiltration and synergizing with anti-PD-1 treatment. The combined treatment resulted in complete tumor regression in some mice and prevented tumor recurrence when re-challenged with cancer cells.

Explain Like I'm Five

Ivermectin, a common anti-parasite drug, helped the immune system fight breast cancer in mice. When used with another anti-cancer drug, it made the treatment even better.

Possible Conflicts of Interest

None identified

Identified Limitations

Animal Model
The research was conducted on mice, and the results may not translate directly to humans.
Specific Cancer Type
The study focuses on triple-negative breast cancer (TNBC), and ivermectin's effects may differ in other breast cancer subtypes.
Limited Mechanistic Understanding
While the study suggests a mechanism of action for ivermectin, further research is needed to fully understand how it works and its long-term effects.

Rating Explanation

The study presents compelling preclinical data with a reasonable sample size and appropriate controls. The combination therapy showed impressive results in multiple clinically relevant settings in the mouse model. However, the reliance on a mouse model limits the immediate applicability to human patients, hence a rating of 4.

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Topic Hierarchy

Domain: Health Sciences
Field: Medicine
Subfield: Oncology

File Information

Original Title: Ivermectin converts cold tumors hot and synergizes with immune checkpoint blockade for treatment of breast cancer
Uploaded: September 09, 2025 at 02:10 PM
Privacy: Public