Do immune drugs for cancer work as well for women as for men?
Original title: Efficacy of immune checkpoint inhibitors in female patients with cancer: a systematic review and meta-analysis.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This looks across many earlier studies rather than running a new one.
This is a review of past trials, and it did not find a gain for glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary.
The short version
A large review found these immune drugs helped women live longer, but men seemed to gain a bit more.
What was studied. Researchers pooled results from 78 large, late-stage trials with 56,332 patients. They looked at how well immune drugs called checkpoint inhibitors worked in women with cancer.
What they found. Overall, women who got these drugs had a lower risk of dying. Results varied a lot from study to study. Women with one type of cancer, called squamous cell cancer, did not clearly live longer. Men seemed to gain a bit more overall. But men with melanoma or glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary, a type of brain tumor, did not see a gain.
What this means, and what it doesn't
What it could mean: Sex may change how well these immune drugs work. Doctors may one day weigh this when picking a treatment. The authors say more women need to be included in trials.
What it doesn't mean: This study looked back at trials that were already done. It did not test a new treatment. It does not show these drugs help people with glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary. In fact, men with glioblastoma did not gain from them. It does not change care for brain tumor patients today, and it is not a cure.
Source: PubMed, September 15, 2026 · Read the original
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