Real-time Molecular Diagnosis of Oral Precancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

40 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-09-01

Study Completion Date

2025-10-31

Brief Summary

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The "Real-time molecular diagnosis of oral precancer" or the LIP study is testing a new device for the detection of cancer in the mouth.

Oral cancers are serious and devastating illnesses, especially if detected at a late stage. Currently, the detection of oral cancer relies on testing a biopsy, which involves cutting a small section of tissue from the mouth and sending it to the pathology laboratory for further testing. A doctor or dentist taking the biopsy must rely on their own eyesight and experience to spot areas of concern. It can therefore be difficult to detect the earliest stages of cancer. At times, cancer tissue is only detected because it has already developed, and this affects the success of the treatment.

The device tested in this study uses a laser beam to scan areas inside the mouth and a computer collects information about the scan. The goal of this project is to train the computer software in the device to recognize pre-cancer and cancer from normal scans. Patients who need to have a biopsy due to suspected pre-cancer or cancer in the mouth will be scanned with the device. Biopsy reports will be used to tell the software which scans were from pre-cancer or cancer or non-cancer tissues. Volunteers with healthy oral tissue will be included to further test the computer software. Secondary aims include collecting pilot safety data and feedback regarding the use of this device. If successful, the results from this pilot study will lead to a bigger trial to further study how the device can be used for cancer diagnosis.

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Detailed Description

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Oral cancers are severe life-limiting diseases, particularly when diagnosed in late stages. Earliest possible detection in precancer (dysplasia) or early cancer stages is the single most important measure for reducing oral cancer patients' morbidity and mortality rates. Conventional diagnosis relies on visual inspection guiding the biopsy of suspicious oral lesions, which has resulted in 5-year survivals of up to 90% for early tumors or dysplasia. This survival rate however declines to at best 50% for advanced cancers, highlighting the necessity of early diagnosis as a primary factor in determining patient outcomes. Visually guided tissue sampling suffers from inter-observer dependence, sampling errors and difficulty in identifying and targeting flat dysplastic lesions in particular. The differentiation between inflamed/scarred tissue and dysplasia, establishing cancer depth, local/distant spread assessment (staging) and grading (aggression), and margin assessment of malignant lesions, all represent monumental clinical challenges. Further, biopsy also remains a significant deterrent to patient attendance. There is a significant unmet clinical need for a rapid, non-invasive, outpatient-deployable diagnostic method to improve surveillance, early diagnosis, and follow up / management of oral cancer patients.

Optical imaging and spectroscopy have recently offered great promise to address unmet clinical needs since they are non-invasive and can capture molecular/structural information without prior tissue preparation. These technologies offer new, clinically relevant biomarkers such that essential point-of-care decisions can be made with the use of safe (non-ionizing) levels of optical radiation at a much lower cost than with MRI, CT and PET. Raman spectroscopy is a label-free, rapid and minimally invasive optical technique using laser light that provides a point-wise optical fingerprint of the myriad of inter- and intra-cellular building blocks of tissue (i.e., proteins, lipids and DNA) at the biomolecular level. Raman spectroscopy offers label-free diagnosis of cancers in vivo. In the last two decades, there has been accumulating evidence on the accurate diagnostic capability of Raman spectroscopy through comprehensive in vitro, ex vivo and in vivo studies.

The research team have developed a 2nd generation polarized Raman platform that provides polarized Raman signals and is compatible with the oral cavity. It can provide a point-wise vibrational molecular fingerprint "optical biopsy" of both tissue structure/molecular symmetries and composition. The key advantage of polarized Raman spectroscopy compared to conventional Raman spectroscopy is that it offers additional specific information about tissue structure and organization. The developed prototype is fully functional and will allow us to take the first step towards translation of the developed clinical platform technology.

In this study, patients with suspected pre-cancer or being seen by a clinician for early oral cancer will be recruited. The participants will be scanned with the LIP device and will have a biopsy if this was planned as part of their routine care. Health volunteers will be recruited to increase the number scans of healthy tissue and to help validate the device. The primary aim of this study is to collect the output of the scans and train the device to discriminate premalignant/malignant conditions from benign oral tissue. No clinical output will be provided at this stage, thus diagnosis of suspicious lesions will be confirmed through a biopsy according to standard NHS procedures. Secondary aims include collecting pilot safety data, and feedback from users of the device and study participants.

Conditions

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Oral Cancer Dysplasia Oral Lesions Oral Pre-cancer Mouth Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patient group

1. Has a medical condition for which biopsy of oral tissue has been indicated.
2. Is undergoing inspection for early oral cancer

LIP device

Intervention Type DEVICE

The LIP device uses polarized Raman spectroscopy to enhance the early detection and diagnosis of oral cancer by facilitating more accurate guiding of biopsies. This non-invasive technology utilizes polarized laser light to generate Raman scattering that can be used to analyze molecular vibrations, which in the future will provide clinicians with insights into tissue composition and structure for identifying cancerous abnormalities.

Healthy controls

Participants who have healthy oral tissue

LIP device

Intervention Type DEVICE

The LIP device uses polarized Raman spectroscopy to enhance the early detection and diagnosis of oral cancer by facilitating more accurate guiding of biopsies. This non-invasive technology utilizes polarized laser light to generate Raman scattering that can be used to analyze molecular vibrations, which in the future will provide clinicians with insights into tissue composition and structure for identifying cancerous abnormalities.

Interventions

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LIP device

The LIP device uses polarized Raman spectroscopy to enhance the early detection and diagnosis of oral cancer by facilitating more accurate guiding of biopsies. This non-invasive technology utilizes polarized laser light to generate Raman scattering that can be used to analyze molecular vibrations, which in the future will provide clinicians with insights into tissue composition and structure for identifying cancerous abnormalities.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Adult aged 18 and older
2. One of the following criteria must be met:

1. Has a medical condition for which biopsy of oral tissue has been indicated.
2. Is undergoing inspection for early oral cancer
3. Willing and able to comply with all study procedures.

1. Adult aged 18 and older.
2. Willing and able to comply with all study procedures.

Exclusion Criteria

1. Has a bleeding disorder, such as haemophilia, or has contraindication for having a biopsy.
2. Severe co-morbid illness, such as end-stage renal failure (ESRF), congestive cardiac failure (CCF), severe osteoarthritis (OA) and rheumatoid arthritis (RA) requiring long term non-steroidal anti-inflammatory drug (NSAID) therapy and any other immunosuppression / immuno-modulation therapy.
3. Has other severe acute or chronic medical or psychiatric condition where use of the device may cause unnecessary stress
4. Any condition that under judgment of the investigator would make the subject unsuitable as it may interfere with interpretation of study results
5. Currently using any compound recognised as acting as a light sensitizer / has a recognised condition associated with light sensitisation / tissue sensitivity to light such as photodynamic therapy or lupus.
6. Is pregnant or breastfeeding
7. Has a laboratory abnormality in medical record that may interfere with the interpretation of study results

1. Has a medical condition for which biopsy has been indicated or is undergoing inspection for early cancer.
2. Severe co-morbid illness, such as end-stage renal failure (ESRF), congestive cardiac failure (CCF), severe osteoarthritis (OA) and rheumatoid arthritis (RA) requiring long term non-steroidal anti-inflammatory drug (NSAID) therapy and any other immunosuppression / immuno-modulation therapy.
3. Has other severe acute or chronic medical or psychiatric condition where use of the device may cause unnecessary stress
4. Any condition that under judgment of the investigator would make the subject unsuitable as it may interfere with interpretation of study results
5. Currently using any compound recognised as acting as a light sensitizer / has a recognised condition associated with light sensitisation / tissue sensitivity to light such as photodynamic therapy or lupus.
6. Is pregnant or breastfeeding

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes