Oral Lichen Planus Clinical Trial
Official title:
Nonaromatic Naphthalan - Composition Study and Biological Effects on Epithelial Tissues
This study evaluates the effectiveness of topical NAVS naphthalan in the treatment of oral lichen planus (OLP) and recurrent aphthous stomatitis (RAS). Half of participants with OLP and RAS will receive topical NAVS naphthalan in adhesive paste, while the other half will receive 0.05%-betamethasone dipropionate in adhesive paste. Our hypothesis is that NAVS could be efficient in the treatment of OLP and RAS, with effects comparable to that of topical steroids.
Status | Completed |
Enrollment | 57 |
Est. completion date | November 2013 |
Est. primary completion date | November 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - for OLP patients: adult patients with a clinically and histologically proven OLP (Al-Hashimi et al, 2007) - for RAS patients: in the acute stage of the disease, according to Lehner (1968), at least 2 episodes per year Exclusion Criteria: - for OLP patients: younger than 18 years, hepatobiliary system diseases, lichenoid reaction (amalgam, drugs) or lichen planus with lesions in contact to restorative materials (Zakrzewska et al, 2005), the current comparative systemic or local anti-inflammatory treatment (antibiotics, corticosteroids, non-steroidal antirheumatic drugs, chemotherapeutics) (Lo Muzio et al, 2001; Nolan et al, 2006; Rodriguez et al, 2007) and pregnancy. - for RAS patients: patients younger than 18 years, haematological deficits (assessed by complete blood count (CBC), iron (Fe), vitamin B12, hypersensitivity to toothpaste and oral mouth rinse solutions (assessed by medical history) (Nolan et al, 2006), pregnancy, inflammatory bowel disease (assessed by medical history), significant immunodeficiencies, current comparative systemic or topical anti-inflammatory treatment (antibiotics, corticosteroids, nonsteroidal antirheumatics, chemotherapeutics) (Lo Muzio et al, 2001; Nolan et al, 2006; Rodriguez et al, 2007). |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Croatia | School of Dental medicine, University of Zagreb | Zagreb |
Lead Sponsor | Collaborator |
---|---|
Ivan Alajbeg | Ministry of Science, Education and Sport, Republic of Croatia |
Croatia,
Al-Hashimi I, Schifter M, Lockhart PB, Wray D, Brennan M, Migliorati CA, Axéll T, Bruce AJ, Carpenter W, Eisenberg E, Epstein JB, Holmstrup P, Jontell M, Lozada-Nur F, Nair R, Silverman B, Thongprasom K, Thornhill M, Warnakulasuriya S, van der Waal I. Oral lichen planus and oral lichenoid lesions: diagnostic and therapeutic considerations. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Mar;103 Suppl:S25.e1-12. Epub 2007 Jan 29. Review. — View Citation
Khandwala A, Van Inwegen RG, Alfano MC. 5% amlexanox oral paste, a new treatment for recurrent minor aphthous ulcers: I. Clinical demonstration of acceleration of healing and resolution of pain. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1997 Feb;83(2):222-30. — View Citation
Lehner T. Autoimmunity in oral diseases, with special reference to recurrent oral ulceration. Proc R Soc Med. 1968 May;61(5):515-24. — View Citation
Lo Muzio L, della Valle A, Mignogna MD, Pannone G, Bucci P, Bucci E, Sciubba J. The treatment of oral aphthous ulceration or erosive lichen planus with topical clobetasol propionate in three preparations: a clinical and pilot study on 54 patients. J Oral Pathol Med. 2001 Nov;30(10):611-7. — View Citation
Neppelberg E, Johannessen AC, Jonsson R. Apoptosis in oral lichen planus. Eur J Oral Sci. 2001 Oct;109(5):361-4. — View Citation
Nolan A, Baillie C, Badminton J, Rudralingham M, Seymour RA. The efficacy of topical hyaluronic acid in the management of recurrent aphthous ulceration. J Oral Pathol Med. 2006 Sep;35(8):461-5. — View Citation
Piboonniyom SO, Treister N, Pitiphat W, Woo SB. Scoring system for monitoring oral lichenoid lesions: a preliminary study. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2005 Jun;99(6):696-703. — View Citation
Rodríguez M, Rubio JA, Sanchez R. Effectiveness of two oral pastes for the treatment of recurrent aphthous stomatitis. Oral Dis. 2007 Sep;13(5):490-4. — View Citation
Zakrzewska JM, Chan ES, Thornhill MH. A systematic review of placebo-controlled randomized clinical trials of treatments used in oral lichen planus. Br J Dermatol. 2005 Aug;153(2):336-41. Review. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The change of presence of reticulation, erythema and ulceration on mucosal surfaces | Clinical improvement of OLP lesions after treatment will be scored (Pibooniyom et al.,2005). This clinical scale measures the presence of reticular, erythematous and ulcerative lesions on oral mucosal surfaces, providing a score by adding those values. Investigator will assess patients' lesions on oral mucosal surfaces, on day 0 and day 28 and provide score for each assessment. The change of this score between the two time points is a measure of clinical efficacy of applied treatment modality. Calibration process : three examiners independently reviewed and evaluated photo of the individual patient. The second evaluation of photographs was a week after to assess the objectivity of the reading on the first visit. Once the examiners reviewed the photographs twice with one-week gap, the obtained results were analysed using Spearman "rank" correlation to determine intra- and inter-observer reliability. |
28 days per patient | No |
Primary | The change in the number of RAS lesions | The number of RAS lesions will be recorded on day 0 and on day 5 after the start of treatment (Khandwala et al, 1997). The change in the number of lesions between the two time points is a measure of clinical efficacy of applied treatment modality. | 5 days per patient | No |
Primary | The change in the diameter of RAS lesions | The change in the diameter of RAS lesions (in millimeters) will be recorded on day 0 and on day 5 after the start of treatment (Khandwala et al, 1997). The change in the cumulative diameter of lesions between the two time points is a measure of clinical efficacy of applied treatment modality. | 5 days per patient | No |
Primary | The change of pain intensity and discomfort in OLP patients | The intensity of pain and discomfort will be determined using a 100 mm visual analog scale (VAS) on day 0 and day 28. The change in the amount between the two time points is a measure of clinical efficacy of applied treatment modality. | 28 days per patient | No |
Primary | The quality of life change in OLP patients | The quality of life for OLP patients will be determined using "Oral health impact profile"(OHIP-14) questionnaire on day 0 and day 28. The change in the amount between the two time points is a measure of clinical efficacy of applied treatment modality. | 28 days per patient | No |
Primary | The change of pain intensity and discomfort in RAS patients | The intensity of pain and discomfort will be determined using a 100 mm visual analog scale (VAS) 30 and 60 minutes after the application of the therapeutic agent at home. The change in the amount between the two time points is a measure of clinical efficacy of applied treatment modality. | 5 days per patient | No |
Primary | The quality of life change in RAS patients | The quality of life for RAS patients will be determined using "Oral health impact profile"(OHIP-14) questionnaire on day 0 and day 5. The change in the amount between the two time points is a measure of clinical efficacy of applied treatment modality. | 5 days per patient | No |
Secondary | Adverse reactions to treatment modalities in OLP patients | In OLP patients application of both treatment modalities lasts for 28 days. The occurrence of oral Candidal infection or irritation will be recorded by clinician on day 28. The frequency of each will be compared between two treatment groups. | 28 days per patient | Yes |
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