Diagnostics for the Treatment of Progressive Mucosal Lesions of the Oral Cavity: a Prospective Study
Chromosomal Instability as an Indicator for the Treatment of Progressive Mucosal Lesions of the Oral Cavity.
Despite improvements in therapy, head and neck carcinomas still have a poor prognosis with a 5-year survival of ~ 50%. Malignancies of the head and neck area are (almost) always preceded by precursor lesions. Treatment of these premalignant mucosal abnormalities is generally limited and not very inconvenient for the patient. If this precursor lesion remain untreated, it may develop into a malignancy of the head and neck. Extensive treatment will be necessary. This means loss of function of the mouth, eg chewing, speaking and swallowing.
The hypothesis is that chromosomal instability (CIN) detected by fluorescence is situ hybridization (FISH) is a reliable indicator for progression to malignancy. By intensifying the follow up and treatment in premalignant CIN lesions, the incidence of progression to invasive carcinoma is expected to be significantly reduced. If this hypothesis is justified, there will be a place for CIN detection as a risk indicator in the diagnostic work up of premalignant lesions in the head and neck.
The investigators second hypothesis is that loss of heterozygosity (LOH) detected bij DNA markers is a reliable indicator for progression to malignancy. By intensifying the outpatient clinic follow up and treatment in premalignant lesions, the incidence of progression to invasive carcinoma is expected to be significantly reduced. If this hypothesis is justified, there will be a place for CIN and LOH detection as a risk indicator in the diagnostic work up of premalignant lesions in the head and neck.
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Limburg
-
Maastricht, Limburg, Netherlands, 6202
- Maastricht Universitair Medisch Centrum (MUMC)
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- subjects ≥18 years
- premalignant lesions of the oral cavity, classified as hyperkeratosis, hyperplasia, mild or moderate dysplasia
- written informed consent
Exclusion Criteria:
- former malignancy or lesion classified as severe dysplasia or carcinoma in situ at the same anatomical localization of the oral cavity
- lesions within an anatomical field which has been exposed to former treatment (e.g. radiotherapy)
- insufficient biopsy material to perform additional FISH analysis
- pregnancy, because of the physical burden (e.g. extra general anesthesia) in this study setting
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: follow up & surgery
CIN positive with surgery and intensified follow up
|
excision or carbondioxide laser evaporation of the mucosal lesion of the oral cavity
Intensified outpatient follow up (16 visits in 5 years)
|
|
Active Comparator: follow up
CIN positive, only intensified outpatient follow up
|
Intensified outpatient follow up (16 visits in 5 years)
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of patients (CIN negative and positive) who will show progression to malignancy of the oral cavity.
Time Frame: 1 year
|
The primary goal of this prospective study is:
|
1 year
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of patients (LOH negative and positive) who will show progression to malignancy of the oral cavity.
Time Frame: 1 year
|
The secondary objective of this study is as follows: Demonstrating the predictive value of the detection of LOH in premalignant lesions of the oral cavity by the use of DNA markers for the occurrence of progression to severe dysplasia / CIS or invasive carcinoma. |
1 year
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Director: Maarten Borgemeester, MD, University medical centre Maastricht
Study record dates
Study Major Dates
Primary Completion (Anticipated)
Primary Completion
Study Completion (Anticipated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- NL46343.068.13
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