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Head Stabilization of Healthy Volunteers

Real-Time Head Position Stabilization of Healthy Volunteers

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT07116759
Enrollment
20
Registered
2025-08-12
Start date
2022-10-09
Completion date
2025-12-31
Last updated
2026-02-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Brief summary

A robotic platform will use data from motion-detection cameras to position a person's head in real time. This procedure is non-invasive and since healthy volunteers are enrolled in this study, no radiation is delivered, but in the future, the investigators plan to use this device during radiation treatment with patients.

Detailed description

This study aims to passively monitor the real-time head motions of healthy volunteers positioned to simulate whole brain radiation therapy. Such real-time head motion data is necessary in order to understand the type (amplitude/frequency) of motion that the robotic stage will be expected to compensate for and will play an important role in the overall modeling and designing process of the robotic prototype.

Interventions

DEVICEReal-time head stabilization with robotic platform

A robotic platform will use data from motion-detection cameras to position a person's head in real time. This procedure is non-invasive.

Sponsors

Abramson Cancer Center at Penn Medicine
Lead SponsorOTHER
National Cancer Institute (NCI)
CollaboratorNIH

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Subjects 18 and older * Subjects must be able to read and understand English * Participants must sign the informed consent form

Exclusion criteria

Any subjects not meeting the above inclusion criteria will not be considered for this study.

Design outcomes

Primary

MeasureTime frameDescription
Collection of Head Motion Data to be Used in Developing Head Stabilization Methods in Brain Radiation PatientsOne-time session, up to 4 hours on a single day.Real-time intracranial target motion was continuously monitored using a commercial surface-guided radiation therapy (SGRT) system operating at approximately 10 frames per second. For each participant, translational (mm) and rotational (degree) motion of the target were computed relative to the starting head position at setup. The target position was tracked in six degrees of freedom (longitudinal, lateral, vertical translation; pitch, roll, yaw rotation). To provide a quantitative endpoint reflecting system effectiveness, the recorded 6D target motion data were analyzed and positional deviation histograms showing the total percentage of time that the target remained below a specific translational and rotational tolerance level were generated. The percentage of time that the target remained below a tolerance of \< 1.0 mm translational and \< 1.0° rotational deviation was chosen as the single primary outcome measure.

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORRodney Wiersma, PhD

University of Pennsylvania

Participant flow

Participants by arm

ArmCount
Healthy Volunteers
The volunteer population will consist of healthy individuals. Real-time head stabilization with robotic platform: A robotic platform will use data from motion-detection cameras to position a person's head in real time. This procedure is non-invasive.
20
Total20

Baseline characteristics

CharacteristicHealthy Volunteers
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
20 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
10 Participants
Race (NIH/OMB)
Black or African American
1 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
White
8 Participants
Region of Enrollment
United States
20 participants
Sex: Female, Male
Female
5 Participants
Sex: Female, Male
Male
15 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 20
other
Total, other adverse events
0 / 20
serious
Total, serious adverse events
0 / 20

Outcome results

Primary

Collection of Head Motion Data to be Used in Developing Head Stabilization Methods in Brain Radiation Patients

Real-time intracranial target motion was continuously monitored using a commercial surface-guided radiation therapy (SGRT) system operating at approximately 10 frames per second. For each participant, translational (mm) and rotational (degree) motion of the target were computed relative to the starting head position at setup. The target position was tracked in six degrees of freedom (longitudinal, lateral, vertical translation; pitch, roll, yaw rotation). To provide a quantitative endpoint reflecting system effectiveness, the recorded 6D target motion data were analyzed and positional deviation histograms showing the total percentage of time that the target remained below a specific translational and rotational tolerance level were generated. The percentage of time that the target remained below a tolerance of \< 1.0 mm translational and \< 1.0° rotational deviation was chosen as the single primary outcome measure.

Time frame: One-time session, up to 4 hours on a single day.

Population: 18 healthy volunteers, who successfully completed simulating in a clinical environment but without delivering radiation

ArmMeasureValue (MEAN)
Healthy VolunteersCollection of Head Motion Data to be Used in Developing Head Stabilization Methods in Brain Radiation Patients95 % of time within tolerance

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026