Eclipse Proton Planning brings together robust optimization, Monte Carlo dose calculation, knowledge-based planning, treatment delivery optimization, and integrated workflows in a single planning environment. Designed to support the evolving needs of proton therapy, Eclipse helps clinical teams plan with confidence and work efficiently.

Integrated within the broader Eclipse treatment planning ecosystem and powered by ARIA CORE, Eclipse supports connected proton and photon workflows across the treatment journey. Eclipse Proton Planning is compatible with a range of proton therapy delivery platforms, including Varian ProBeam/ProBeam360 and IBA Proteus systems.

Key capabilities

Robust Optimization and Evaluation

Account for uncertainty with confidence.

Optimize and evaluate proton treatment plans while considering range, setup, and motion uncertainties.

  • Robust optimization designed to account for proton-specific uncertainties.
  • Robustness evaluation across multiple uncertainty scenario

AcurosPT

Monte Carlo dose calculation with GPU-accelerated performance.

Monte Carlo-based proton dose calculation designed to support planning accuracy and efficient workflows.

  • Monte Carlo dose calculation for optimization, utilizing intermediate dose and final dose calculations for enhanced accuracy.
  • GPU-accelerated performance with >2x faster calculation speeds in Eclipse v19.011.

RapidPlanPT

Knowledge-based proton planning

Leverage historical planning knowledge to support consistency and efficiency in proton treatment planning.

  • Generate patient-specific optimization objectives using machine learning.
  • Support planning consistency across users and sites.

RapidScan

Treatment time optimization for proton delivery on ProBeam and ProBeam360°

Incorporate delivery dynamics into treatment planning to support efficient proton delivery.

  • Optimize treatment delivery time during planning.
  • Designed to maintain plan quality while reducing delivery time.

LET-Guided Planning

Add biological context to proton plan review.

Evaluate dose and Linear Energy Transfer (LET) together to provide additional biological context for proton treatment plans.

  • Simultaneous dose and LET calculation through AcurosPT.
  • Visualize and compare LET distributions during plan review.

Flash Research Configuration

Research capabilities for proton Flash planning

Research-focused tools designed to support physics- and biology-based Flash research workflows.

  • Intelligent spot placement and advanced Flash optimizer.
  • Dose rate calculation and review capabilities.

Flash therapy is under development and is not available for commercial sale. Flash is designed to enable physics- and biology-based research only.

"Our study demonstrates that the RapidScan dose delivery technology has the capability to significantly reduce treatment delivery times while maintaining plan quality. With RapidScan, we believe most patients would only require half the number of breath-holds and approximately 50% of the post-imaging treatment time to receive their treatment."

Michael Butkus, PhD
University of Miami

Machine Compatibility and Platform Integration

Flexibility across proton therapy environments

Support planning workflows across Varian and selected third-party proton delivery systems.

  • Compatible with Varian ProBeam and ProBeam 360° systems.
  • Support for selected third-party proton platforms including IBA ProteusPlus and ProteusONE, Hitachi ProBeat, Mevion S250, Sumitomo and McLaren ProTom.

"Our study demonstrates that the RapidScan dose delivery technology has the capability to significantly reduce treatment delivery times while maintaining plan quality. With RapidScan, we believe most patients would only require half the number of breath-holds and approximately 50% of the post-imaging treatment time to receive their treatment."

Michael Butkus, PhD
University of Miami

We'll help you get connected

Our specialists can help you integrate Varian into your workflow.

If you are a current customer and need product support, please visit our Customer Support page

  1. Based on internal testing comparing Eclipse v19.0 GPU dose and LET calculations with v18.1 calculations. Actual results may vary.