- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01576939
Feasibility of IMRT Modulation to Account for Scattered Radiation From Dental Fillings in Head and Neck Cancer
A Feasibility Study of IMRT (Intensity Modulated Radiotherapy) Modulation to Account for Scattered Radiation From Dental Fillings in Head and Neck Cancer Patients
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
California
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Stanford, California, United States, 94305
- Stanford University School of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with HNC undergoing radiation therapy +/- chemotherapy at Stanford University
- At least 18 years old
- Metallic filling present
- Planned radiation dose to the tumor > 60 Gy at 1.8 to 2.2 Gy/fx
- Able to understand and sign a written informed consent document.
Exclusion Criteria:
- Pregnant
- Nursing
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: IMRT Modulation
All patients will undergo a computed tomography (CT) simulation study +/- a positron emission tomography (PET) scan using ≤ 3mm slices for radiation treatment planning. A standard, "non-filling" optimized IMRT (Intensity Modulated Radiation Therapy) plan will be generated and patients will be treated with megavoltage radiation over a course of > 6 weeks with a planned tumor dose of > 60 Gy. A medical doctor will perform weekly mucositis evaluation and grading for the measured site once a week during radiation therapy Modulation of an IMRT plan to reduce the dose to less than 35 Gy delivered to adjacent normal mucosa surrounding the dental filling without compromising normal tissue or tumor doses. |
We are using thermoluminescent dosimeter (TLD) to measure the mucosal dose adjacent to the dental fillings in a standard, "non-filling" optimized IMRT (intensity modulated radiotherapy treatment) plan that is normally delivered in the clinic.
If the measured mucosal dose exceeds 35 Gy, we will generate a "filling" optimized IMRT plan to reduce it to < 35 Gy.
The new plan will be deemed acceptable and implemented only if it does not (1) compromise the tumor coverage, (2) increase the dose to either the remaining oral cavity or the spared parotid gland(s).
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time Until the Maximum Oral Mucositis Measured From the Start of Radiation Treatment.
Time Frame: 3 years
|
The time to onset of oral mucositis was measured from the start of radiation treatment until oral mucositis was visual observed by a clinician during the weekly checkup for the first time. Analysis done by Kaplan-Meier. Adverse events were graded according to Common Terminology Criteria for Adverse Events (CTCAE) Version (V) 4.0. Medical doctor performed evaluation and grading of clinical and functional mucositis for the measured site weekly during the radiation treatment course and biweekly after completion of radiation until oral mucositis was < grade 2. A pain medication assessment was done for each mucositis time point. Patients completed the Oral Mucositis Weekly Questionnaire-Head and Neck cancer (OMWQ-HN) during and after treatment until oral mucositis is < grade 2. |
3 years
|
Duration of Grade 2 or Higher Oral Mucositis After First Oral Mucositis Was Observed.
Time Frame: 3 years
|
The duration of grade 2 or higher oral mucositis was measured as the time from the first time oral mucositis was observed by a clinician at the weekly checkup until the oral mucositis was resolved. The data was analyzed in a mixed effects model to account for the within subject correlation, since each patient contributed two measurements to the data set. The model was limited to those subjects who had experienced mucositis and then the outcome was the duration of grade 2 or higher mucositis. This allowed us to model the data in a mixed effects model with the continuous outcome of duration of grade 2 or higher mucositis. |
3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Relationship Between the Measured Lateral Tongue Mucosal Dose and the Amount of Narcotic Use
Time Frame: 3 years
|
The narcotics use was a patient reported measurement that was documented in the medical note in the patient chart.
Patient self reported measurements are generally known to be unreliable.
|
3 years
|
How Does Increase in Soreness Scores Affect Quality of Life Questionnaire While Adjusting for the Measured Lateral Tongue Mucosal Dose
Time Frame: 3 years
|
The quality of life questionnaire was the HNC adaptation of the Oral Mucositis Daily Questionnaire (OMWQ). It is designed to assess the severity and impact of the oral mucositis by evaluating mouth and throat soreness and the degree to which the mouth and throat soreness interferes with activities of daily life such as eating, swallowing, drinking, talking and sleeping. This outcome measures soreness in both the mouth and throat. This outcome is not a combination of several sub-scales. This outcome was the response to the single question: "On a scale from 0 to 10, how would you rate your OVERALL MOUTH AND THROAT SORENESS during the past 24 hours?" Mouth and throat soreness was measured as a single scale from 0 (no soreness) to 10 (worst soreness possible). |
3 years
|
How Does Increase in Pain Scores Affect Quality of Life Questionnaire While Adjusting for the Measured Lateral Tongue Mucosal Dose?
Time Frame: 3 years
|
The quality of life questionnaire was the HNC adaptation of the Oral Mucositis Daily Questionnaire (OMDQ). It is designed to assess the severity and impact of the oral mucositis by evaluating mouth and throat soreness and the degree to which the mouth and throat soreness interferes with activities of daily life such as eating, swallowing, drinking, talking and sleeping. This outcome measures pain in the mouth only. This outcome is not a combination of several sub-scales. This outcome was the response to a single question: "On a scale from 0 to 10, what number best describes the MOUTH PAIN that you experienced in the past 24 hours?" Mouth pain scale was measured as a single scale from 0 (no pain) to 10 (worst pain imaginable). |
3 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Quynh-Thu Le, MD, Professor of Radiation Oncology
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRB-21777
- SU-08102011-8266 (Other Identifier: Stanford University)
- ENT0032 (Other Identifier: OnCore)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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