Related Experiment Video
Updated: Feb 10, 2026

Y-90 Radioembolization and PD-1 Inhibitor as Neoadjuvant Treatment in Hepatocellular Carcinoma
Published on: May 24, 2024
Neoadjuvant chemohyperthermia: Our experience after 10 years.
Alejandro Sousa Escandón1, Juan León Mata1, Daniel Sousa González1
1Servicio de Urología. Hospital Comarcal de Monforte. Monforte-Lugo. España.
Neoadjuvant chemohyperthermia (QHT) significantly reduces non-muscle-invasive bladder cancer (NMIBC) recurrence. This treatment shows comparable adverse event rates to standard mitomycin C (MMC) instillation, offering a promising option for NMIBC management.
Area of Science:
- Urology
- Oncology
- Medical Physics
Background:
- Non-muscle-invasive bladder cancer (NMIBC) poses a significant clinical challenge.
- Recurrence remains a primary concern in NMIBC management.
- Neoadjuvant intravesical therapies are crucial for improving outcomes.
Purpose of the Study:
- To evaluate the efficacy and safety of neoadjuvant recirculated intravesical chemohyperthermia (QHT) with mitomycin C (MMC) for NMIBC.
- To compare QHT with standard adjuvant MMC instillation.
- To assess recurrence rates and adverse events in middle-high risk NMIBC patients.
Main Methods:
- A case control study involving 104 patients with middle-high risk NMIBC.
- 43 patients received neoadjuvant recirculated intravesical QHT with MMC.
- 61 patients received standard adjuvant MMC instillation.
- Follow-up duration was 43 months (range: 3-108 months).
Main Results:
- Neoadjuvant QHT achieved a 63% complete response rate.
- The 5-year recurrence rate was 16.2% after QHT versus 26.2% after standard MMC.
- No tumor progression or metastatic deaths were observed in the QHT group.
- Adverse event rates were similar between QHT and standard MMC groups, with Grade 3 AEs at 9.3% vs. 6.5%.
Conclusions:
- Recirculating neoadjuvant QHT is effective in reducing NMIBC recurrence.
- QHT demonstrates comparable safety profile to passive MMC instillation.
- Neoadjuvant QHT represents a viable therapeutic option for NMIBC.
Related Concept Videos
What is an Experiment?
Thomson's e/m Experiment
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The magnetic...
Controls in Experiments
Randomized Experiments
Simple randomization
Simple...
Crossover Experiments
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
The Stanford Prison Experiment

