ASCO GU 2026

[Palex80]

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Abstract titles for the ASCO GU 2026 conference have been published.

Interesting (radonc) picks

1. CYTOSHRINK: A randomized phase II trial of cytoreductive stereotactic hypofractionated radiotherapy with ipilimumab/nivolumab for metastatic kidney cancer.

2. Androgen deprivation therapy and radiotherapy with or without cabazitaxel in very-high risk localized prostate cancer: First results of the PEACE-2 randomized phase III trial.

3. Fifteen-year survival analysis from the ASCENDE-RT randomized trial of external beam boost versus brachytherapy boost in localized prostate cancer.

4. Hormone therapy use and duration with post-operative radiotherapy for recurrent prostate cancer: An individual patient data meta-analysis.

5. Final overall survival results from the EORTC 1333/PEACE-3 trial: Enzalutamide with or without radium-223 in metastatic castration-resistant prostate cancer.

6. Induction ipilimumab plus nivolumab followed by consolidating chemoradiotherapy as bladder-sparing treatment in stage II/III urothelial carcinoma of the bladder: The phase 2 Indi-Blade trial.

 

[TheWallnerus]

Abstract titles for the ASCO GU 2026 conference have been published.

Interesting (radonc) picks

1. CYTOSHRINK: A randomized phase II trial of cytoreductive stereotactic hypofractionated radiotherapy with ipilimumab/nivolumab for metastatic kidney cancer.

2. Androgen deprivation therapy and radiotherapy with or without cabazitaxel in very-high risk localized prostate cancer: First results of the PEACE-2 randomized phase III trial.

3. Fifteen-year survival analysis from the ASCENDE-RT randomized trial of external beam boost versus brachytherapy boost in localized prostate cancer.

4. Hormone therapy use and duration with post-operative radiotherapy for recurrent prostate cancer: An individual patient data meta-analysis.

5. Final overall survival results from the EORTC 1333/PEACE-3 trial: Enzalutamide with or without radium-223 in metastatic castration-resistant prostate cancer.

6. Induction ipilimumab plus nivolumab followed by consolidating chemoradiotherapy as bladder-sparing treatment in stage II/III urothelial carcinoma of the bladder: The phase 2 Indi-Blade trial.

I suppose it’s tough to do impactful rad onc research in the States, or without dragging along a drug, or both.

 

[Palex80]

I am intested in seeing what Abstract 1 (CYTOSHRINK) will show.

Trial outline here: https://ascopubs.org/doi/10.1200/JCO.2022.40.6_suppl.TPS398

This phase II trial randomizes untreated mRCC patients in a 2:1 fashion to I/N plus SBRT (30-40 Gy in 5 fractions) to the primary kidney mass between cycles 1 and 2 (experimental arm, E), versus standard of care I/N alone (standard arm, S). Eligible patients have biopsy-proven mRCC (any histology) and IMDC intermediate/poor risk disease.
...
Up to 78 patients will be enrolled under the assumption of an improved 12-month PFS from 50% (S) to 75% (E), using a two-sided α = 0.1, power = 80%, and accounting for loss-to-follow-up and stratification using IMDC criteria 1-2 vs 3-6.