Association of Patient Sex With Efficacy of Immune Checkpoint Inhibitors and Overall Survival in Advanced Cancers
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Notice bibliographique
Résumé
IMPORTANCE: Sex-associated differences in immune response are known, but a meta-analysis suggested men, compared with women, derive greater value from immunotherapy for advanced solid-organ malignant neoplasms. However, methodologic concerns and subsequent trials have placed these results in doubt. OBJECTIVE: To perform an updated, comprehensive meta-analysis that assesses the efficacy of immunotherapy in advanced cancers according to patient sex. DESIGN, SETTING, AND PARTICIPANTS: A systematic review of studies (n = 23) indexed in MEDLINE (PubMed), Embase, and Scopus from inception of these databases to October 2, 2018, was conducted. Randomized clinical trials that compared immunotherapy with standard of care in the treatment of advanced solid-organ malignant neoplasms were included if overall survival was reported as an outcome and if data stratified by patient sex were available. Observational studies, editorials, commentaries, review articles, non-peer-reviewed publications, studies that compared various immunotherapy regimens, studies that reported other measures of oncologic response, and studies that reported subgroup analyses for 1 sex only were excluded. MAIN OUTCOMES AND MEASURES: Overall survival, with a test for heterogeneity between women and men, to assess the null hypothesis that no difference in the survival advantage of immunotherapy exists by patient sex. RESULTS: This meta-analysis included 23 randomized clinical trials that reported on 9322 men (67.9%) and 4399 women (32.1%); the age of most patients was in the 70s. An overall survival benefit of immunotherapy was found for both men (hazard ratio [HR], 0.75; 95% CI, 0.69-0.81; P < .001) and women (HR, 0.77; 95% CI, 0.67-0.88; P = .002). Random-effects meta-analysis of study-level differences in response to immunotherapy demonstrated no statistically significant difference between the sexes (I2 = 38%; P = .60). Subgroup analyses according to disease site, line of therapy, class of immunotherapy, study methodology, and representation of women recapitulated these findings. CONCLUSIONS AND RELEVANCE: Stratified analyses demonstrated no statistically significant association of patient sex with the efficacy of immunotherapy in the treatment of advanced cancers using overall survival as the outcome.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,002 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle