A Study Evaluating a New Radiation Treatment Workflow (NGDS) (SPEED)

September 14, 2026 updated by: Varian, a Siemens Healthineers Company

A ProSPEctivE Study of NGDS DMAT Workflow Feasibility

The purpose of this research is to evaluate the "Next Generation Delivery System" (NGDS) and determine if this machine will be more efficient at delivering radiation in shorter treatment time and better patient tolerance, with less breath holding.

Study Overview

Detailed Description

This study is a prospective multi-center clinical trial. It is designed to evaluate the feasibility of a breath hold workflow on a new treatment platform (NGDS DMAT).

Eligible participants will be receiving stereotactic body radiotherapy (SBRT) under breath hold conditions to targets in the thorax and upper abdomen as part of their routine care.

Enrolled participants will be asked to undergo a mock treatment on this new treatment platform under breath hold conditions. Participant images for set up and alignment will be obtained on the NGDS.

Study Type

Interventional

Enrollment (Estimated)

20

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

    • Missouri
      • St Louis, Missouri, United States, 63108
        • Recruiting
        • Siteman Cancer Center Washington University
        • Principal Investigator:
          • Pamela Samson
    • Ohio
      • Cleveland, Ohio, United States, 44106
        • Recruiting
        • University Hospital Cleveland Medical Center
        • Principal Investigator:
          • Lauren Henke
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Target lesions in the thorax or upper abdomen
  2. Planned to undergo SBRT radiation treatment delivered on a conventional "C-arm" or ring gantry CBCT guided linear accelerator under breath hold conditions
  3. ECOG performance status 0-1
  4. At least 21 years of age
  5. Able to sign informed consent

Exclusion Criteria:

  1. Participants enrolled in another clinical investigation the investigator believes to be in conflict with this clinical investigation.
  2. Participants with any other medical condition or laboratory value that would, at the discretion of the investigator, preclude the patient from participation in this clinical investigation.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Device Feasibility
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Single Arm - All patients will be treated the same
"Mock" treatment on the NGDS machine.
Participant will receive a "mock" treatment on the NGDS machine. Participant will complete experience questionnaires.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
To evaluate the feasibility of the mock NGDS DMAT workflow under breath hold conditions.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months

Feasibility of the mock NGDS DMAT treatment workflow under breath hold conditions will be confirmed following successful execution of each step:

  1. Acquisition of an IDENTIFY-monitored breath hold kV HyperSight CBCT
  2. Conduct verification imaging of shifts and breath hold position using kV fluoroscopy
  3. Delivery of an investigator approved "mock" DMAT treatment plan
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
To quantify the number of breath holds required.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
Record and compare the number of breath holds required by the participant to complete treatment beam delivery on the NGDS to the number of breath holds required on the conventional treatment machine.
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
To assess the participant's experience of the conventional treatment and mock NGDS DMAT treatment.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
Participant survey to assess the experience of treatment on the conventional machine and mock treatment on the NGDS.
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
To quantify all temporal aspects of the NGDS DMAT and conventional treatment sessions.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
Measuring and recording the time required for each workflow step in both conventional treatment and mock NGDS DMAT treatment.
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
To create a DMAT dosimetry plan judged clinically acceptable for treatment.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
The NGDS DMAT plan must be judged by the attending physician to be clinically similar to the conventional SBRT plan (i.e. the same clinical goals will be used to evaluate both plans), and acceptable for treatment.
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
To assess patient-specific quality assurance results for DMAT plans.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
Delivery quality assurance and dose calculation accuracy will be measured by institutional-specific QA equipment (compliant with AAPM (American Association of Physicists in Medicine) Task Group 218).
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
To assess the feasibility of intra-fraction motion monitoring with triggered imaging.
Time Frame: From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months
Success of intra-fraction motion monitoring imaging will be measured by the ability to carry out triggered imaging in one second intervals (or as dictated by the treatment plan).
From enrollment to end of "mock" treatment of last participant enrolled, assessed up to 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 31, 2026

Primary Completion (Estimated)

February 1, 2027

Study Completion (Estimated)

May 1, 2027

Study Registration Dates

First Submitted

August 19, 2026

First Submitted That Met QC Criteria

September 14, 2026

First Posted (Actual)

September 17, 2026

Study Record Updates

Last Update Posted (Actual)

September 17, 2026

Last Update Submitted That Met QC Criteria

September 14, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

Data is highly confidential however any publication plans will follow ICMJE guidelines.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

product manufactured in and exported from the U.S.

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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