Study Stopped
Lack of funding
Azithromycin for Meibomian Gland Disease
A Randomized, Controlled Trial to Evaluate the Role of Oral Azithromycin in the Treatment of Symptomatic Meibomian Gland Disease and Its Effect on the Ocular Surface Microbiome
1 other identifier
interventional
2
1 country
1
Brief Summary
This study aims to elucidate the effectiveness of oral azithromycin in treating symptomatic dry eye syndrome secondary to Meibomian gland dysfunction.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4
Started Sep 2019
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 27, 2018
CompletedFirst Posted
Study publicly available on registry
May 16, 2019
CompletedStudy Start
First participant enrolled
September 1, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2021
CompletedResults Posted
Study results publicly available
August 6, 2025
CompletedAugust 6, 2025
July 1, 2025
1.8 years
June 27, 2018
July 21, 2025
July 21, 2025
Conditions
Outcome Measures
Primary Outcomes (2)
Ocular Surface Disease Index (OSDI) Questionnaire
Ocular surface disease index - used to evaluate the degree of dry eye symptoms. Scores will range from 0 to 48, where 48 indicates severe dry eye.
Baseline to 1 month
Ocular Surface Disease Index (OSDI) Questionnaire
Ocular surface disease index - used to evaluate the degree of dry eye symptoms. Scores will range from 0 to 48, where 48 indicates severe dry eye.
Baseline to 3 months
Secondary Outcomes (8)
Ocular Surface Microbiome Testing
Baseline to 1 month
Ocular Surface Microbiome Testing
Baseline to 3 months
Dry Eye Questionnaire 5 (DE-5)
Baseline to 1 month
Dry Eye Questionnaire 5 (DE-5)
Baseline to 3 months
Neuropathic Pain Inventory for the Eye (NPSI-E)
Baseline to 1 month.
- +3 more secondary outcomes
Study Arms (2)
Placebo
PLACEBO COMPARATORAzithromycin
ACTIVE COMPARATORInterventions
Oral azithromycin dosed at 1 gram per week for 3 weeks
Eligibility Criteria
You may qualify if:
- Symptomatic Meibomian gland disease, defined as patient-reported ocular surface symptoms such as dryness, grittiness, foreign body sensation, or eye fatigue in combination with clinically identifiable Meibomian gland disease with Grade 2 or greater involvement on the Meibomian Gland Grading Scale (Section XV, item 2).
- OSDI Score greater than or equal to 20
- Ability to give informed consent
You may not qualify if:
- Age less than 18 years
- Allergy or intolerance to oral azithromycin or topical dexamethasone
- Allergy or intolerance to the preservatives used in topical ophthalmic 0.1% dexamethasone: sodium bisulfite, phenylethyl alcohol, benzalkonium chloride
- History of prolonged QT interval, history of torsades des pointes, congenital long QT syndrome, bradyarrhythmias, heart failure
- Patients currently taking medications that prolong the QT interval (Table 1)
- Aqueous deficiency dry eye defined as Schirmer's strip testing without anesthesia with £ 5mm of tears on two separate tests.
- Ocular surface inflammatory disease, including cicatrizing conjunctivitis, graft versus host disease, Stevens Johnson syndrome
- Atopic disease with ocular involvement
- Limbal stem cell deficiency
- Oral or topical ophthalmic antibiotic use within the last 90 days
- Oral prednisone use \>5mg per day
- Topical ophthalmic steroid use within the past 30 days
- Topical ophthalmic anti-inflammatory (including non-steroidal anti-inflammatory medications, lifitegrast, or cyclosporine) use within the past 30 days
- Patients who are currently pregnant, planning on becoming pregnant during the study period, or currently breastfeeding.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of California San Francisco
San Francisco, California, 94143, United States
Related Publications (26)
Pflugfelder SC. Prevalence, burden, and pharmacoeconomics of dry eye disease. Am J Manag Care. 2008 Apr;14(3 Suppl):S102-6.
PMID: 18452369BACKGROUNDThe epidemiology of dry eye disease: report of the Epidemiology Subcommittee of the International Dry Eye WorkShop (2007). Ocul Surf. 2007 Apr;5(2):93-107. doi: 10.1016/s1542-0124(12)70082-4.
PMID: 17508117BACKGROUNDSchaumberg 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.
PMID: 21450917BACKGROUNDFoulks GN, Bron AJ. Meibomian gland dysfunction: a clinical scheme for description, diagnosis, classification, and grading. Ocul Surf. 2003 Jul;1(3):107-26. doi: 10.1016/s1542-0124(12)70139-8.
PMID: 17075643BACKGROUNDKnop E, Knop N, Millar T, Obata H, Sullivan DA. The international workshop on meibomian gland dysfunction: report of the subcommittee on anatomy, physiology, and pathophysiology of the meibomian gland. Invest Ophthalmol Vis Sci. 2011 Mar 30;52(4):1938-78. doi: 10.1167/iovs.10-6997c. Print 2011 Mar. No abstract available.
PMID: 21450915BACKGROUNDKing-Smith PE, Bailey MD, Braun RJ. Four characteristics and a model of an effective tear film lipid layer (TFLL). Ocul Surf. 2013 Oct;11(4):236-45. doi: 10.1016/j.jtos.2013.05.003. Epub 2013 Jul 12.
PMID: 24112227BACKGROUNDLane SS, DuBiner HB, Epstein RJ, Ernest PH, Greiner JV, Hardten DR, Holland EJ, Lemp MA, McDonald JE 2nd, Silbert DI, Blackie CA, Stevens CA, Bedi R. A new system, the LipiFlow, for the treatment of meibomian gland dysfunction. Cornea. 2012 Apr;31(4):396-404. doi: 10.1097/ICO.0b013e318239aaea.
PMID: 22222996BACKGROUNDLee H, Chung B, Kim KS, Seo KY, Choi BJ, Kim TI. Effects of topical loteprednol etabonate on tear cytokines and clinical outcomes in moderate and severe meibomian gland dysfunction: randomized clinical trial. Am J Ophthalmol. 2014 Dec;158(6):1172-1183.e1. doi: 10.1016/j.ajo.2014.08.015. Epub 2014 Aug 13.
PMID: 25128594BACKGROUNDPrabhasawat P, Tesavibul N, Mahawong W. A randomized double-masked study of 0.05% cyclosporine ophthalmic emulsion in the treatment of meibomian gland dysfunction. Cornea. 2012 Dec;31(12):1386-93. doi: 10.1097/ICO.0b013e31823cc098.
PMID: 23135530BACKGROUNDMacsai MS. The role of omega-3 dietary supplementation in blepharitis and meibomian gland dysfunction (an AOS thesis). Trans Am Ophthalmol Soc. 2008;106:336-56.
PMID: 19277245BACKGROUNDDeinema LA, Vingrys AJ, Wong CY, Jackson DC, Chinnery HR, Downie LE. A Randomized, Double-Masked, Placebo-Controlled Clinical Trial of Two Forms of Omega-3 Supplements for Treating Dry Eye Disease. Ophthalmology. 2017 Jan;124(1):43-52. doi: 10.1016/j.ophtha.2016.09.023. Epub 2016 Nov 3.
PMID: 27817918BACKGROUNDHosseini K, Lindstrom RL, Foulks G, Nichols KK. A randomized, double-masked, parallel-group, comparative study to evaluate the clinical efficacy and safety of 1% azithromycin-0.1% dexamethasone combination compared to 1% azithromycin alone, 0.1% dexamethasone alone, and vehicle in the treatment of subjects with blepharitis. Clin Ophthalmol. 2016 Aug 10;10:1495-503. doi: 10.2147/OPTH.S110739. eCollection 2016.
PMID: 27570444BACKGROUNDGreene JB, Jeng BH, Fintelmann RE, Margolis TP. Oral azithromycin for the treatment of meibomitis. JAMA Ophthalmol. 2014 Jan;132(1):121-2. doi: 10.1001/jamaophthalmol.2013.5295. No abstract available.
PMID: 24201556BACKGROUNDYoo SE, Lee DC, Chang MH. The effect of low-dose doxycycline therapy in chronic meibomian gland dysfunction. Korean J Ophthalmol. 2005 Dec;19(4):258-63. doi: 10.3341/kjo.2005.19.4.258.
PMID: 16491814BACKGROUNDTa CN, Shine WE, McCulley JP, Pandya A, Trattler W, Norbury JW. Effects of minocycline on the ocular flora of patients with acne rosacea or seborrheic blepharitis. Cornea. 2003 Aug;22(6):545-8. doi: 10.1097/00003226-200308000-00011.
PMID: 12883348BACKGROUNDWladis EJ, Bradley EA, Bilyk JR, Yen MT, Mawn LA. Oral Antibiotics for Meibomian Gland-Related Ocular Surface Disease: A Report by the American Academy of Ophthalmology. Ophthalmology. 2016 Mar;123(3):492-6. doi: 10.1016/j.ophtha.2015.10.062. Epub 2015 Dec 23.
PMID: 26707417BACKGROUNDWatters GA, Turnbull PR, Swift S, Petty A, Craig JP. Ocular surface microbiome in meibomian gland dysfunction. Clin Exp Ophthalmol. 2017 Mar;45(2):105-111. doi: 10.1111/ceo.12810. Epub 2016 Sep 7.
PMID: 27473509BACKGROUNDGiamarellos-Bourboulis EJ. Macrolides beyond the conventional antimicrobials: a class of potent immunomodulators. Int J Antimicrob Agents. 2008 Jan;31(1):12-20. doi: 10.1016/j.ijantimicag.2007.08.001. Epub 2007 Nov 1.
PMID: 17935949BACKGROUNDLiu Y, Ding J. The combined effect of azithromycin and insulin-like growth factor-1 on cultured human meibomian gland epithelial cells. Invest Ophthalmol Vis Sci. 2014 Aug 14;55(9):5596-601. doi: 10.1167/iovs.14-14782.
PMID: 25125598BACKGROUNDLiu Y, Kam WR, Ding J, Sullivan DA. Effect of azithromycin on lipid accumulation in immortalized human meibomian gland epithelial cells. JAMA Ophthalmol. 2014 Feb;132(2):226-8. doi: 10.1001/jamaophthalmol.2013.6030. No abstract available.
PMID: 24357250BACKGROUNDIgami TZ, Holzchuh R, Osaki TH, Santo RM, Kara-Jose N, Hida RY. Oral azithromycin for treatment of posterior blepharitis. Cornea. 2011 Oct;30(10):1145-9. doi: 10.1097/ICO.0b013e318207fc42.
PMID: 21849891BACKGROUNDHaque RM, Torkildsen GL, Brubaker K, Zink RC, Kowalski RP, Mah FS, Pflugfelder SC. Multicenter open-label study evaluating the efficacy of azithromycin ophthalmic solution 1% on the signs and symptoms of subjects with blepharitis. Cornea. 2010 Aug;29(8):871-7. doi: 10.1097/ICO.0b013e3181ca38a0.
PMID: 20508503BACKGROUNDLuchs J. Azithromycin in DuraSite for the treatment of blepharitis. Clin Ophthalmol. 2010 Jul 30;4:681-8. doi: 10.2147/opth.s6370.
PMID: 20689782BACKGROUNDSchiffman RM, Christianson MD, Jacobsen G, Hirsch JD, Reis BL. Reliability and validity of the Ocular Surface Disease Index. Arch Ophthalmol. 2000 May;118(5):615-21. doi: 10.1001/archopht.118.5.615.
PMID: 10815152BACKGROUNDKorb DR, Blackie CA. Meibomian gland diagnostic expressibility: correlation with dry eye symptoms and gland location. Cornea. 2008 Dec;27(10):1142-7. doi: 10.1097/ICO.0b013e3181814cff.
PMID: 19034129BACKGROUNDMeadows JF, Ramamoorthy P, Nichols JJ, Nichols KK. Development of the 4-3-2-1 meibum expressibility scale. Eye Contact Lens. 2012 Mar;38(2):86-92. doi: 10.1097/ICL.0b013e318242b494.
PMID: 22249431BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Study terminated due to lack of funding prior to data collection for outcome measures and adverse events. There are no data to report.
Results Point of Contact
- Title
- Julie Schallhorn, MD
- Organization
- University of California San Francisco CA
Study Officials
- PRINCIPAL INVESTIGATOR
Julie Schallhorn, MD, MS
University of California, San Francisco
- PRINCIPAL INVESTIGATOR
Thuy Doan, MD, PhD
University of California, San Francisco
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, CARE PROVIDER
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 27, 2018
First Posted
May 16, 2019
Study Start
September 1, 2019
Primary Completion
July 1, 2021
Study Completion
July 1, 2021
Last Updated
August 6, 2025
Results First Posted
August 6, 2025
Record last verified: 2025-07
Data Sharing
- IPD Sharing
- Will not share