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Assess the Feasibility of Cone Beam CT to Localize Liver Metastases Immediately Prior to Radiotherapy

A Pilot Study to Assess the Feasibility of Cone Beam CT to Localize Liver Metastases Immediately Prior to Radiotherapy

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00600613
Enrollment
6
Registered
2008-01-25
Start date
2006-01-31
Completion date
2010-10-31
Last updated
2015-05-07

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

Conditions

Localize Liver Metastases

Keywords

Radiation Therapy

Brief summary

The purpose of this study is to test a new and possibly more accurate method of positioning patients with liver tumors in preparation for radiation treatment. The positioning of patients with liver cancer is important because the tumor moves a bit when you breathe and makes it hard to determine the right position of the tumor at the time of treatment. Also, depending upon what is in your stomach at the time of treatment, it may change the shape of the liver and make it difficult to plan the radiation treatment. As part of this study, we will take a new type of image of your liver in addition to the standard portal images. This new type of image is called a cone-beam image. It shows a much more detailed picture of the liver tumors than the standard portal images. Normally, marker seeds need to be placed near the liver metastasis for radiation treatment. If the results of this study show that the tumor can be positioned as accurately with the new images as with the old images, then future patients with liver tumors would not have to have marker seeds placed into their liver. The use of cone beam imaging for the setup of patients with liver tumors is new.

Interventions

All study patients will undergo simulation, treatment planning and verification as currently practiced. The contrast injection and cone beam imaging will be added to the standard procedure just prior to treatment delivery on the first and last days of treatment only.

Sponsors

Memorial Sloan Kettering Cancer Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 95 Years
Healthy volunteers
No

Inclusion criteria

* Age \> than or equal to 18 years * KPS \> than or equal to 80 * Able to tolerate immobilization cradle positioning * Able to give informed consent * Histologically confirmed diagnosis of solid tumor malignancy * Liver metastases visualized on CT imaging

Exclusion criteria

* Lymphoid primary histology (lymphoma/leukemia) * Allergic reaction to intravenous CT contrast * Liver function tests (AST, ALT, Bilirubin) \> 2.0 x normal * Abnormal kidney function (serum creatinine \> 1.5) * INR \> 2.0, Platelet count \<70.000. * Marker seed placement not possible * \> 5mm excursion after abdominal compression

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Eligible for Cone Beam Tumor LocalizationUp to 2 hoursAssess the feasibility of using a new imaging technique called cone beam imaging to localize a liver tumor immediately prior to external beam radiotherapy.

Countries

United States

Participant flow

Participants by arm

ArmCount
Patients Going for Treatment of Liver Metastases With RT
Patients going for treatment of liver metastases with radiation therapy.
6
Total6

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyProtocol Deviation1

Baseline characteristics

CharacteristicPatients Going for Treatment of Liver Metastases With RT
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
3 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
Sex: Female, Male
Female
1 Participants
Sex: Female, Male
Male
5 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
0 / 5
serious
Total, serious adverse events
0 / 5

Outcome results

Primary

Number of Participants Eligible for Cone Beam Tumor Localization

Assess the feasibility of using a new imaging technique called cone beam imaging to localize a liver tumor immediately prior to external beam radiotherapy.

Time frame: Up to 2 hours

ArmMeasureValue (NUMBER)
Patients Going for Treatment of Liver Metastases With RTNumber of Participants Eligible for Cone Beam Tumor Localization5 participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026