ArticleEuropean urology focus2021
Partial Response and Stable Disease Correlate with Positive Outcomes in Atezolizumab-treated Patients with Advanced Urinary Tract Carcinoma.
Article in European urology focus, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
- New prognostic model in patients with advanced urothelial carcinoma treated with second-line immune checkpoint inhibitors.Journal for immunotherapy of cancer · 2023Trial
- A Spontaneous Melanoma Mouse Model Applicable for a Longitudinal Chemotherapy and Immunotherapy Study.The Journal of investigative dermatology · 2023Article
Corrections and comments
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Authors and funding
18 authors at 16 institutions in 8 countries.
Funding
Abstract
backgroundThe value of a complete response to immune checkpoint inhibitor treatment for urothelial cancer is well recognised, but less is known about long-term outcomes in patients with a partial response or the benefit of achieving disease stabilisation.
objectiveTo determine clinical outcomes in patients with a partial response or stable disease on atezolizumab therapy for advanced urinary tract carcinoma (UTC). DESIGN, SETTING, AND
participantsData were extracted from three prospective trials (IMvigor210 cohort 2, SAUL, and IMvigor211) evaluating single-agent atezolizumab therapy for platinum-pretreated advanced UTC. The analysis population included 604 atezolizumab-treated and 208 chemotherapy-treated patients (229 achieving a partial response and 583 achieving stable disease).
interventionAtezolizumab 1200 mg every 3 wk until progression or unacceptable toxicity or single-agent chemotherapy for patients in the control arm of IMvigor211. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Baseline characteristics, treatment exposure, overall survival, duration of disease control. Partial response and stable disease populations were analysed separately. RESULTS AND LIMITATIONS: The population of patients with a partial response included more patients with programmed cell death ligand 1 (PD-L1) expression on ≥5% of tumour-infiltrating immune cells than the stable disease population. The median time to best response was 2.1 mo across trials and treatments, regardless of the type of response. Atezolizumab-treated patients with a partial response had sustained disease control (median overall survival not reached); durations of disease control and overall survival were longer with atezolizumab than with chemotherapy. In patients with stable disease, median overall survival was numerically longer with atezolizumab (exceeding 1 yr) than with chemotherapy. Irrespective of treatment, durations of disease control and survival were shorter in patients with stable disease than in those achieving a partial response. These analyses are limited by their post hoc exploratory nature and relatively short follow-up.
conclusionsStable disease and partial response are meaningful clinical outcomes in atezolizumab-treated patients with advanced UTC. PATIENT SUMMARY: In this report, we looked at the outcomes in patients whose tumours responded to treatment to some extent, but the tumour did not disappear completely. We aimed to understand whether a modest response to treatment was associated with meaningful long-term outcomes for patients. We found that on average, life expectancy was >1 yr in patients whose disease was stabilised and even longer in those whose tumours showed some shrinkage in response to treatment.
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