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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03767530
Other study ID # OF18-00006
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2019
Est. completion date December 2024

Study information

Verified date May 2024
Source Universidad Autonoma de Nuevo Leon
Contact Karim Mohamed-Noriega, M.D.
Phone +52 8183469259
Email karim.mohamednrg@uanl.edu.mx,drkmohamed1@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Dry eye syndrome is a common eye disease that affects 1 to 2 out of 10 persons around the planet. One common cause of this disease is the meibomian gland dysfunction. Meibomian glands are very small glands located at the rim of the eyelids that produce an oily substance that prevents the evaporation of tears. When these glands are compromised, the tear film evaporates quickly and the eyes dry up. This disease presents as eye irritation, foreign body sensation, inflammation, etc. The treatment of choice for MGD is eyelid massage and warm compresses 2 times a day. However, these treatments not always work perfectly, and as a result, patients find it hard to follow doctor's orders. Another kind of treatment is thermal therapy. There are several devices that are designed to apply heat on the eyelids, such as Lipiflow, MiBo Thermoflo, and Blephasteam. In this study, we want to find out whether thermal therapy with MiBo Thermoflo works better than warm compresses and eyelid massage use in the treatment of dry eye caused by MGD. To do this, we will select several patients and will assign them randomly to either the group with thermal therapy with MiBo Thermoflo or to the group with warm compresses and eyelid massage. The Mibo group will receive 3 sessions of thermal therapy at 2 weeks interval and the control group warm compresses and eyelid massage 2 times per day. All subjects will have a follow up of 24 weeks and we will compare results for both groups at the end of the study.


Description:

Dry eye syndrome is considered one of the most important ophthalmologic diseases, affecting 10 to 20% of the general population. Of these, 3.7% to 70% of cases are due to meibomian gland dysfunction (MGD). MGD is a chronic diffuse disease characterized by terminal duct obstruction and/or qualitative/quantitative changes in gland secretion. This causes a disruption in the tear film, ocular irritation symptom, inflammation, and ocular surface symptoms. The gold standard for the treatment of meibomian dysfunction is the use of warm compresses and eyelid massage 2 times a day. These have variable results and consequently patient's adherence to treatment is low. An alternative treatment is the use of thermal therapy devices such as Lipiflow, MiBo Thermoflo, and Blephasteam. The objective of this study is to determine if the thermal device MiBo Thermoflo is more effective than warm compresses and eyelid massage in the treatment of dry eye secondary to MGD. Participants will be randomly assigned to one of two groups: the Mibo group will receive 3 sessions of thermal therapy at 2 weeks interval and the control group warm compresses and eyelid massage 2 times per day. All subjects will have follow up of 24 weeks and we will compare results for both groups at the end of the study. During the protocol patients in both groups will continue with their standard treatment for dry eye as needed.


Recruitment information / eligibility

Status Recruiting
Enrollment 42
Est. completion date December 2024
Est. primary completion date September 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients diagnosed with: - Dry eye syndrome with meibomian gland dysfunction alone or in combination of other type of dry eye. - Patients who were previously treated with eyelid massages and warm compresses without any improvement. Exclusion Criteria: - Pregnant women. - History of ocular surgery within three months prior to inclusion. - History of trauma, infection or inflammation within three months prior to inclusion. - Contact lens use in the last week before inclusion. - Patients with active ocular allergic disease. - Patient with microbial keratitis.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Mibo Thermoflo
Thermal therapy with Mibo Thermoflo for 11 minutes per eye, during each session.
Other:
Warm compresses and eyelid massage
Warm compresses plus eyelid massage 2 times per day 11 minutes per eye.

Locations

Country Name City State
Mexico Departamento de Oftalmologia, Hospital Universitario "Dr. Jose Eleuterio Gonzalez" Monterrey Nuevo Leon

Sponsors (2)

Lead Sponsor Collaborator
Universidad Autonoma de Nuevo Leon Hospital Universitario Dr. Jose E. Gonzalez

Country where clinical trial is conducted

Mexico, 

References & Publications (17)

Arita R, Morishige N, Shirakawa R, Sato Y, Amano S. Effects of Eyelid Warming Devices on Tear Film Parameters in Normal Subjects and Patients with Meibomian Gland Dysfunction. Ocul Surf. 2015 Oct;13(4):321-30. doi: 10.1016/j.jtos.2015.04.005. Epub 2015 May 30. — View Citation

Craig JP, Nichols KK, Akpek EK, Caffery B, Dua HS, Joo CK, Liu Z, Nelson JD, Nichols JJ, Tsubota K, Stapleton F. TFOS DEWS II Definition and Classification Report. Ocul Surf. 2017 Jul;15(3):276-283. doi: 10.1016/j.jtos.2017.05.008. Epub 2017 Jul 20. — View Citation

Foulks, G. N., Lemp, M., Jester, J., Sutphin, J., Murube, J., & Novack, G. (2007). report of the international dry eye workshop (DEWS). Ocul Surf, 5(2), 65-204. Foulks, G. N., Lemp, M., Jester, J., Sutphin, J., Murube, J., & Novack, G. (2007). Report of the international dry eye workshop (DEWS). Ocul Surf, 5(2), 65-204.

Geerling G, Tauber J, Baudouin C, Goto E, Matsumoto Y, O'Brien T, Rolando M, Tsubota K, Nichols KK. The international workshop on meibomian gland dysfunction: report of the subcommittee on management and treatment of meibomian gland dysfunction. Invest Ophthalmol Vis Sci. 2011 Mar 30;52(4):2050-64. doi: 10.1167/iovs.10-6997g. No abstract available. — View Citation

Hom M, De Land P. Prevalence and severity of symptomatic dry eyes in Hispanics. Optom Vis Sci. 2005 Mar;82(3):206-8. doi: 10.1097/01.opx.0000156310.45736.fa. — View Citation

Johnson ME, Murphy PJ. Changes in the tear film and ocular surface from dry eye syndrome. Prog Retin Eye Res. 2004 Jul;23(4):449-74. doi: 10.1016/j.preteyeres.2004.04.003. — View Citation

Jones L, Downie LE, Korb D, Benitez-Del-Castillo JM, Dana R, Deng SX, Dong PN, Geerling G, Hida RY, Liu Y, Seo KY, Tauber J, Wakamatsu TH, Xu J, Wolffsohn JS, Craig JP. TFOS DEWS II Management and Therapy Report. Ocul Surf. 2017 Jul;15(3):575-628. doi: 10.1016/j.jtos.2017.05.006. Epub 2017 Jul 20. — View Citation

Kenrick CJ, Alloo SS. The Limitation of Applying Heat to the External Lid Surface: A Case of Recalcitrant Meibomian Gland Dysfunction. Case Rep Ophthalmol. 2017 Jan 16;8(1):7-12. doi: 10.1159/000455087. eCollection 2017 Jan-Apr. — View Citation

Lemp MA, Crews LA, Bron AJ, Foulks GN, Sullivan BD. Distribution of aqueous-deficient and evaporative dry eye in a clinic-based patient cohort: a retrospective study. Cornea. 2012 May;31(5):472-8. doi: 10.1097/ICO.0b013e318225415a. — View Citation

Mori A, Shimazaki J, Shimmura S, Fujishima H, Oguchi Y, Tsubota K. Disposable eyelid-warming device for the treatment of meibomian gland dysfunction. Jpn J Ophthalmol. 2003 Nov-Dec;47(6):578-86. doi: 10.1016/s0021-5155(03)00142-4. — View Citation

Nelson JD, Shimazaki J, Benitez-del-Castillo JM, Craig JP, McCulley JP, Den S, Foulks GN. The international workshop on meibomian gland dysfunction: report of the definition and classification subcommittee. Invest Ophthalmol Vis Sci. 2011 Mar 30;52(4):1930-7. doi: 10.1167/iovs.10-6997b. Print 2011 Mar. No abstract available. — View Citation

Pult H, Riede-Pult BH, Purslow C. A comparison of an eyelid-warming device to traditional compress therapy. Optom Vis Sci. 2012 Jul;89(7):E1035-41. doi: 10.1097/OPX.0b013e31825c3479. — View Citation

Qiao J, Yan X. Emerging treatment options for meibomian gland dysfunction. Clin Ophthalmol. 2013;7:1797-803. doi: 10.2147/OPTH.S33182. Epub 2013 Sep 9. — View Citation

Schaumberg DA, Nichols JJ, Papas EB, Tong L, Uchino M, Nichols KK. The international workshop on meibomian gland dysfunction: report of the subcommittee on the epidemiology of, and associated risk factors for, MGD. Invest Ophthalmol Vis Sci. 2011 Mar 30;52(4):1994-2005. doi: 10.1167/iovs.10-6997e. Print 2011 Mar. No abstract available. — View Citation

Stetson G. & Kenrick Ch. (2018). A comparision of four warm compress devices. The Association of Research in Vision and Ophthalmology (ARVO). Honolulu Hawaii. 953-B0131.

Wang MT, Jaitley Z, Lord SM, Craig JP. Comparison of Self-applied Heat Therapy for Meibomian Gland Dysfunction. Optom Vis Sci. 2015 Sep;92(9):e321-6. doi: 10.1097/OPX.0000000000000601. — View Citation

Wang X, Lu X, Yang J, Wei R, Yang L, Zhao S, Wang X. Evaluation of Dry Eye and Meibomian Gland Dysfunction in Teenagers with Myopia through Noninvasive Keratograph. J Ophthalmol. 2016;2016:6761206. doi: 10.1155/2016/6761206. Epub 2016 Jan 6. — View Citation

* Note: There are 17 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Meibomian gland expressibility Changes in meibomian gland structure will be evaluated by meibomian gland expressibility. Basal to 24 weeks
Primary Meibum quality Changes in meibomian gland structure will be evaluated with the meibum quality in slit lamp graded as: clear, opaque, granular and toothpaste for meibum worst secretion. Basal to 24 weeks
Primary Corneal and conjunctival staining with fluorescein dye Ocular surface damage will be graded with corneal and conjunctival staining with fluorescein dye. Basal to 24 weeks
Primary Corneal and conjunctival staining with lissamine green dye Ocular surface damage will be graded with corneal and conjunctival staining with lissamine green dye. Basal to 24 weeks
Primary Tear Break-up Time (TBUT) Tear stability will be measured with Tear Break-up Time (TBUT). A result >10 seconds will be considered normal, a result <10 seconds will be considered pathological. Basal to 24 weeks
Primary Schirmer test with and without anesthesia Tear production will be measured by Schirmer test with and without anesthesia. A Schirmer test >10 mm will be considered normal, a result >5 mm pathological. The Schirmer test with anesthesia >15 mm is consider normal. Basal to 24 weeks
Primary Symptom Assessment in Dry Eye questionnaire (SANDE) Ocular surface symptoms will be assessed by the Symptom Assessment in Dry Eye (SANDE) questionnaire. The SANDE questionnaire has two questions presented in a visual scale. The two questions assess the frequency and severity of dry eye symptoms. Basal to 24 weeks
Primary Ocular Surface Disease Index (OSDI) Ocular surface symptoms will be assessed by the Ocular Surface Disease Index (OSDI). The OSDI questionnaire consists of 12 questions that assess dry eye symptoms and their effects on vision related function. The questionnaire is divided in 3 subscales: ocular symptoms, vision-related function, and environmental triggers. Patients are asked to rate their responses on a 0 to 4 scale where 0 represents "none of the time", 1 "some of the time", 2 "half of the time", 3 "most of the time", and 4 "all of the time". The total score is calculated using the following formula: ([sum of scores for all questions answered x 100] / [total number of questions answered x 4]). Lower scores represent a better outcome. Basal to 24 weeks
Primary Dry Eye Questionnaire 5 (DEQ-5) Ocular surface symptoms will be assessed by the Dry Eye Questionnaire 5 (DEQ-5). The Dry Eye Questionnaire 5 asses habitual dry eye symptoms (discomfort, dryness and wetty eyes) and severity level. Basal to 24 weeks
Primary Tear osmolarity Patients with dry eye have increased levels of tear osmolarity wich is one of tear inflammation biomarkers. Tear osmolarity will be performed with Tear Lab Osmolarity System, a result of 308 mOsm/L or higher indicates dry eye disease. Basal to 24 weeks
Primary Change in tear of matrix metalloproteinase 9 (MMP-9) MMP-9 is an inflammatory biomarker wich is elevated in the tears of patients with dry eye and an early diagnostic evaluation, it is realized in consulting room with the InflammaDry test (Rapid Pathogen Screening Inc.). The presence of 1 line is a negative result and two lines means positive result. Basal to 24 weeks
Primary Non-Invasive Keratograph Break-up Time (NIKBUT) NIKBUT will be measured with Keratograph 5M. A JENVIS Dry Eye report will be generated to document findings. Basal to 24 weeks
Primary Tear meniscus height Tear meniscus height will be measured with Keratograph 5M. A JENVIS Dry Eye report will be generated to document findings. Basal to 24 weeks
Primary Conjuctival hyperemia Conjuctival hypermeia will be graded with JENVIS Scale performed by Keratograph 5M. A JENVIS Dry Eye report will be generated to document findings. Conjuctival hyperemia will be . graded as: none, mild moderate or severe. Basal to 24 weeks
Primary Lipid layer thickness Lipid layer thickness will be measured with Keratograph 5M. A JENVIS Dry Eye report will be generated to document findings. Basal to 24 weeks
Primary Adverse events Adverse events will be evaluated during the ophthalmic evaluation. Basal to 24 weeks
Secondary Short term changes with corneal and conjunctival staining with fluorescein dye Short term changes in ocular surface damage will be graded with corneal and conjunctival staining with fluorescein dye. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Short term changes with corneal and conjunctival staining with lissamine green dye Short term changes in ocular surface damage will be graded with corneal and conjunctival staining with lissamine green dye. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Short term changes in tear stability Short term changes in tear stability will be measured with Tear Break-up Time (TBUT). A result >10 seconds will be considered normal, a result <10 seconds will be considered pathological. These parameterd will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Short term changes in Symptom Assessment in Dry Eye questionnaire (SANDE) Short term changes in ocular surface symptoms will be assessed by the Symptom Assessment in Dry Eye (SANDE). The SANDE questionnaire has two questions presented in a visual scale. The two questions assess the frequency and severity of dry eye symptoms. A less rate prove changes in ocular surface symptoms and quality of life improvement. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Short term changes in Ocular Surface Disease Index (OSDI) Short term changes in ocular surface symptoms will be assessed by the Ocular Surface Disease Index (OSDI). The OSDI questionnaire consists of 12 questions that assess dry eye symptoms and their effects on vision related function. The questionnaire is divided in 3 subscales: ocular symptoms, vision-related function, and environmental triggers.. A less rate prove changes in ocular surface symptoms and quality of life improvement. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Short term changes in Dry Eye Questionnaire 5 (DEQ-5) Short term changes in ocular surface symptoms will be assessed by the Dry Eye Questionnaire 5 (DEQ-5). The Dry Eye Questionnaire 5 asses habitual dry eye symptoms (discomfort, dryness and wetty eyes) and severity level. A less rate prove changes in coular surface symptoms and quality of life improvement. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Eyelid skin temperature Eyelid skin temperature will be measured with the thermographic infrared scientific equipment FLIR SC4000 to verify if 42 celsius degree are obtain as maker recommends. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Corneal conjunctival temperature Corneal conjunctival temperature will be measured with the thermographic infrared scientific equipment FLIR SC4000 to verify if 42 celsius degree are obtain as maker recommends. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Bulbar conjunctival temperature Bulbar conjunctival temperature will be measured with the thermographic infrrared scientific equipment FLIR SC4000 to verify if 42 celsius degree are obtain as maker recommends. These parameters will be evaluated before sessions of termal therapy at week 2 and week 4
Secondary Tarsal conjunctival temperature Tarsal conjunctival temperature will be measured with the thermographic infrared scientific equipment FLIR SC4000 to verify if 42 celsius degree are obtain as maker recommends. These parameters will be evaluated before sessions of thermal therapy at week 2 and week 4.
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