Differential Mobility Spectrometry (DMS) Based Oral Tumor Analysis

NCT ID: NCT05902455

Last Updated: 2023-08-14

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

UNKNOWN

Total Enrollment

40 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-05-25

Study Completion Date

2025-06-30

Brief Summary

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The trial is a single-center, non-randomized feasibility study aiming to evaluate the feasibility of ex-vivo tissue analysis using differential mobility spectrometry (DMS) of tissue smoke generated by the use of an electrosurgical instrument.

Patients recruited in the trial receive standard-of-care oral squamous cell carcinoma tumor excision surgery.

Detailed Description

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Oral squamous cell carcinoma is the sixth common carcinoma and the cause of 1-2% of cancer related deaths in the world. The incidence of oral squamous cell carcinoma was 255 cases in Finland and 742 270 cases worldwide in year 2015. The number of cases per year has been increasing. The approximate age of tumor occurrence is usually between 60 - 70 years. The 5-year survival rate of all diagnosed oral squamous cell carcinoma cases in Finland during the years between 2014 and 2016 was 67% for women and 61% for men.

Early diagnostics is relevant, since oral squamous cell carcinoma tumors have a tendency to grow rapidly and metastasize early to regional lymphnodes and later on to lungs, liver and bones. Typical locations of the tumor are tongue, gums and sole of mouth.

The primary treatment option for oral squamous cell carcinoma is surgical removal of the tumor with 0,5 - 1cm healthy tissue margin. The aim of the operation is to remove the tumor entirely so that the healthy tissue margins are as sparing as possible and that the functional and cosmetic outcomes are as satisfactory as possible. Sufficient healthy tissue margin is one of the most important prognostic factors. Nevertheless, there is only little evidence based knowledge of sufficient healthy tissue margins.

Differential mobility spectrometry (DMS) based application called automatic tissue analysis (ATAS) can be utilized to identify tumor cells from healthy tissue. Tissue identification is done by analyzing tissue smoke that is generated by the use of an electrosurgical instrument called diathermy.

The objective of the trial is to test whether it is possible to identify oral squamous cell carcinoma tissue from normal oral mucosa by using ATAS. A 4mm punch biopsy of an oral squamous cell carcinoma tumor and a control biopsy of healthy oral mucosa will be collected from 30 - 40 patients undergoing oral tumor excision. The biopsies will be examined in the research laboratory with ATAS to test tissue recognition.

Conditions

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Oral Squamous Cell Carcinoma

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients diagnosed with oral squamous cell carcinoma

Punch biopsy

Intervention Type PROCEDURE

Punch biopsy of oral squamous cell carcinoma tumor and a control biopsy of healthy oral mucosa are collected during primary tumor excision surgery from each recruited patient.

Interventions

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Punch biopsy

Punch biopsy of oral squamous cell carcinoma tumor and a control biopsy of healthy oral mucosa are collected during primary tumor excision surgery from each recruited patient.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Biopsy diagnosed oral squamous cell carcinoma.
* Tumor diameter of 2 cm or larger.
* Operable patient that is willing to participate in the trial.

Exclusion Criteria

* Tumor diameter less than 2 cm.
* Patient that is unwilling to take part in the trial.
* Patient that is not able to understand given information concerning the trial or to give concent to take part in the trial.
Minimum Eligible Age

40 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Olfactomics Oy

UNKNOWN

Sponsor Role collaborator

Tampere University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Niku Oksala, M.D. Ph.D.

Role: STUDY_DIRECTOR

Tampere University Hospital

Locations

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Tampere University Hospital

Tampere, Pirkanmaa, Finland

Site Status RECRUITING

Countries

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Finland

Central Contacts

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Anni Salminen, M.D.

Role: CONTACT

+358503467184

Antti Roine, M.D, Ph.D.

Role: CONTACT

+358408410698

Facility Contacts

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Anni Salminen, M.D.

Role: primary

+358503467184

Niku Oksala, M.D., Ph.D.

Role: backup

+358400591911

References

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P Economopoulou, A Psyrri. Epidemiology, risk factors and pathogenesis of squamous cell tumours. 2017 European Society for Medical Oncology (ESMO) Essentials for Clinicians and Neck Cancers Chapter 1

Reference Type BACKGROUND

Suusyöpä, Käypä Hoito -suositus 2019 (2019 Finnish Clinical Practice Guideline for Oral Carcinoma)

Reference Type BACKGROUND

McMahon J, O'Brien CJ, Pathak I, Hamill R, McNeil E, Hammersley N, Gardiner S, Junor E. Influence of condition of surgical margins on local recurrence and disease-specific survival in oral and oropharyngeal cancer. Br J Oral Maxillofac Surg. 2003 Aug;41(4):224-31. doi: 10.1016/s0266-4356(03)00119-0.

Reference Type BACKGROUND
PMID: 12946663 (View on PubMed)

Anderson CR, Sisson K, Moncrieff M. A meta-analysis of margin size and local recurrence in oral squamous cell carcinoma. Oral Oncol. 2015 May;51(5):464-9. doi: 10.1016/j.oraloncology.2015.01.015. Epub 2015 Feb 21.

Reference Type BACKGROUND
PMID: 25716108 (View on PubMed)

Sutton DN, Brown JS, Rogers SN, Vaughan ED, Woolgar JA. The prognostic implications of the surgical margin in oral squamous cell carcinoma. Int J Oral Maxillofac Surg. 2003 Feb;32(1):30-4. doi: 10.1054/ijom.2002.0313.

Reference Type BACKGROUND
PMID: 12653229 (View on PubMed)

Lubek JE, Magliocca KR. Evaluation of the Bone Margin in Oral Squamous Cell Carcinoma. Oral Maxillofac Surg Clin North Am. 2017 Aug;29(3):281-292. doi: 10.1016/j.coms.2017.03.005. Epub 2017 May 24.

Reference Type BACKGROUND
PMID: 28551338 (View on PubMed)

Covington JA, van der Schee MP, Edge AS, Boyle B, Savage RS, Arasaradnam RP. The application of FAIMS gas analysis in medical diagnostics. Analyst. 2015 Oct 21;140(20):6775-81. doi: 10.1039/c5an00868a.

Reference Type BACKGROUND
PMID: 26205889 (View on PubMed)

Sutinen M, Kontunen A, Karjalainen M, Kiiski J, Hannus J, Tolonen T, Roine A, Oksala N. Identification of breast tumors from diathermy smoke by differential ion mobility spectrometry. Eur J Surg Oncol. 2019 Feb;45(2):141-146. doi: 10.1016/j.ejso.2018.09.005. Epub 2018 Oct 15.

Reference Type BACKGROUND
PMID: 30366874 (View on PubMed)

Related Links

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https://www.kaypahoito.fi/xmedia/khp/khp00032.pdf

Citation 2: 2019 Finnish Clinical Practice Guideline for Oral Carcinoma

Other Identifiers

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R20100L(a)

Identifier Type: -

Identifier Source: org_study_id

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