NCT03953118

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

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
2

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Sep 2019

Geographic Reach
1 country

1 active site

Status
terminated

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

Completed
11 months until next milestone

First Posted

Study publicly available on registry

May 16, 2019

Completed
4 months until next milestone

Study Start

First participant enrolled

September 1, 2019

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2021

Completed
4.1 years until next milestone

Results Posted

Study results publicly available

August 6, 2025

Completed
Last Updated

August 6, 2025

Status Verified

July 1, 2025

Enrollment Period

1.8 years

First QC Date

June 27, 2018

Results QC Date

July 21, 2025

Last Update Submit

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 COMPARATOR
Drug: Placebo Oral

Azithromycin

ACTIVE COMPARATOR
Drug: Azithromycin Oral Product

Interventions

Oral azithromycin dosed at 1 gram per week for 3 weeks

Also known as: Zithromax
Azithromycin

Oral placebo tablet

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

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: 18452369BACKGROUND
  • The 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: 17508117BACKGROUND
  • 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.

    PMID: 21450917BACKGROUND
  • Foulks 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: 17075643BACKGROUND
  • Knop 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: 21450915BACKGROUND
  • King-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: 24112227BACKGROUND
  • Lane 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: 22222996BACKGROUND
  • Lee 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: 25128594BACKGROUND
  • Prabhasawat 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: 23135530BACKGROUND
  • Macsai 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: 19277245BACKGROUND
  • Deinema 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: 27817918BACKGROUND
  • Hosseini 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: 27570444BACKGROUND
  • Greene 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: 24201556BACKGROUND
  • Yoo 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: 16491814BACKGROUND
  • Ta 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: 12883348BACKGROUND
  • Wladis 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: 26707417BACKGROUND
  • Watters 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: 27473509BACKGROUND
  • Giamarellos-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: 17935949BACKGROUND
  • Liu 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: 25125598BACKGROUND
  • Liu 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: 24357250BACKGROUND
  • Igami 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: 21849891BACKGROUND
  • Haque 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: 20508503BACKGROUND
  • Luchs J. Azithromycin in DuraSite for the treatment of blepharitis. Clin Ophthalmol. 2010 Jul 30;4:681-8. doi: 10.2147/opth.s6370.

    PMID: 20689782BACKGROUND
  • Schiffman 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: 10815152BACKGROUND
  • Korb 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: 19034129BACKGROUND
  • Meadows 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

Dry Eye SyndromesDepressionAnxiety Disorders

Interventions

Azithromycin

Condition Hierarchy (Ancestors)

Lacrimal Apparatus DiseasesEye DiseasesBehavioral SymptomsBehaviorMental Disorders

Intervention Hierarchy (Ancestors)

ErythromycinMacrolidesPolyketidesLactonesOrganic Chemicals

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

  • Julie Schallhorn, MD, MS

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR
  • Thuy Doan, MD, PhD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

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

Locations