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Oral Lichen PlanusNCT03257228

The Association Between Diabetes Mellitus, Oral Lichen Planus and Insulin-like Growth Factors 1 and 2 (IGF1 and IGF2)

An observational study of Oral Lichen Planus and Diabetes Mellitus, run by University of Zagreb.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Diabetes mellitus is among the most common chronic diseases, with significant and well documented impact on oral cavity health. Among the most common diseases of the oral cavity mucosa and complications in patients with impaired glucose metabolism and diabetes mellitus is oral lichen ruber (OLR), which according to… Read more about this study

Who is it for?
Ages 30 to 70 years
Conditions the study is for
Oral Lichen Planus, Diabetes Mellitus
What is being tested?
comparative semiquantitative immunohistochemistry
Type of treatment
Pill or oral medicine
How many people
24 participants
Where
No sites listed yet
Study dates
1 Nov 2014to 1 Nov 2015
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 30 to 70 years
  • All sexes
  • Adult, Older adult

Study population: The patients included in the study are patients with oral lichen ruber referred to the Department of Oral Medicine, University of Zagreb. Healthy mucosa samples were taken from healthy volunteers referred for alveotomy of wisdom tooth to the Department of Oral Surgery, School of Dental Medicine, University of Zagreb.

Who may be able to join

  • histopathologically confirmed oral lichen ruber patients, with and without diabetes mellitus
  • healthy volunteers referred for alveolotomy

Who cannot join

  • non-consent patients

About this study

Diabetes mellitus is among the most common chronic diseases, with significant and well documented impact on oral cavity health. Among the most common diseases of the oral cavity mucosa and complications in patients with impaired glucose metabolism and diabetes mellitus is oral lichen ruber (OLR), which according to World Health Organisation (WHO) is considered potentially malignant disorder. It was found that lichen ruber in diabetes mellitus has a much more aggressive clinical course in the form of atrophic-erosive and ulcerative lesions showing an increased tendency to malignant transformation. Although OLR etiology is unknown, evidence suggests cell-mediated autoimmune pathogenesis. OLR epithelial cells show anomalies in both enzymatic activity and carbohydrate metabolism, which may be related to hormones regulating carbohydrate, insulin and insulin-like growth factors 1 and 2 (IGF-1 and IGF-2) metabolism. The hypothesis of our research is that patients with diabetes mellitus and oral lichen ruber lesions will have a disturbance of insulin-like growth factors 1 and 2 and hence a greater risk of malignant transformation, compared to patients with oral lichen ruber without diabetes and healthy patients without alterations in the oral mucosa.

Read the detailed description

Oral lichen ruber (OLR) in the diabetes mellitus patients has more aggressive clinical course in the form of atrophic-erosive and ulcerative lesions showing an increased tendency to malignant transformation. OLR epithelial cells show anomalies in both enzymatic activity and carbohydrate metabolism, which may be related to hormones regulating carbohydrate, insulin and insulin-like Growth Factors 1 and 2 (IGF-1 and IGF-2) metabolism. The role of insulin-like growth factors (IGFs) is of great importance in normal growth and cell development (cell proliferation, differentiation and apoptosis), and is involved in different aspects of cell transformation in malignant phenotype. A change in the expression of IGF1, IGF2 and IGF2R proteins is described in several types of malignant tumors including oral cancer. However, data on their role in the development of malignant lesions of the oral cavity are scarce, and the results are inconsistent. Our hypothesis is that patients with diabetes mellitus and oral lichen ruber lesions will have a disturbance of insulin-like growth factors 1 and 2 and hence a greater risk of malignant transformation, compared to patients with oral lichen ruber without diabetes and healthy patients without alterations in the oral mucosa.

Being tested
comparative semiquantitative immunohistochemistry
Medical subject headings
Lichen Planus, Oral, Diabetes Mellitus

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • comparative semiquantitative immunohistochemistryGenetic

Study groups in NCT03257228
Study groupRoleWhat they receive
oral lichen planus and diabetes mellitusHistopathologically confirmed samples of oral lichen planus underwent immunohistochemical analysis of IGF1 and IGF2 expression. Blood glucose level was determined one day before taking biopsy.
Receives: Genetic: comparative semiquantitative immunohistochemistry
oral lichen planusHistopathologically confirmed samples of oral lichen planus underwent immunohistochemical analysis of IGF1 and IGF2 expression. Blood glucose level was determined one day before taking biopsy.
Receives: Genetic: comparative semiquantitative immunohistochemistry
healthy mucosaSamples of healthy mucosa underwent immunohistochemical analysis of IGF1 and IGF2 expression. Blood glucose level was determined one day before taking mucosa samples.
Receives: Genetic: comparative semiquantitative immunohistochemistry

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Insulin like growth factors in patients with OLP and diabetes mellitus

    Evaluation of the Insulin-like growth factor 1 and 2 (IGF1 and IGF 2) in patients with oral lichen planus and diabetes mellitus

    Measured: 2014-2015

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Aug 2017
  2. Study start1 Nov 2014
  3. Primary completion1 Nov 2015
  4. Study completion1 Nov 2015

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
24 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03257228
Sponsor's protocol ID
BM 1.62
Status last verified
Aug 2017
First submitted
18 Aug 2017
Last updated
31 Aug 2017
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Djiogue S, Nwabo Kamdje AH, Vecchio L, Kipanyula MJ, Farahna M, Aldebasi Y, Seke Etet PF. Insulin resistance and cancer: the role of insulin and IGFs. Endocr Relat Cancer. 2013 Jan 7;20(1):R1-R17. doi: 10.1530/ERC-12-0324. Print 2013 Feb.

    PubMed 23207292
  • Cohen DH, LeRoith D. Obesity, type 2 diabetes, and cancer: the insulin and IGF connection. Endocr Relat Cancer. 2012 Sep 5;19(5):F27-45. doi: 10.1530/ERC-11-0374. Print 2012 Oct.

    PubMed 22593429
  • Sarfstein R, Friedman Y, Attias-Geva Z, Fishman A, Bruchim I, Werner H. Metformin downregulates the insulin/IGF-I signaling pathway and inhibits different uterine serous carcinoma (USC) cells proliferation and migration in p53-dependent or -independent manners. PLoS One. 2013 Apr 19;8(4):e61537. doi: 10.1371/journal.pone.0061537. Print 2013.

    PubMed 23620761

Questions about this trial

What is this clinical trial studying?

An observational study of Oral Lichen Planus and Diabetes Mellitus, run by University of Zagreb.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 31 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Insulin like growth factors in patients with OLP and diabetes mellitus (time frame: 2014-2015). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03257228, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Aug 2017.

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