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Blackie CA, Murakami D, Donnenfeld E, Oliff HS. Vectored Thermal Pulsation as a Treatment for Meibomian Gland Dysfunction: A Review Spanning 15 Years. Ophthalmol Ther 2024; 13:2083-2123. [PMID: 38879718 PMCID: PMC11246355 DOI: 10.1007/s40123-024-00976-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 05/17/2024] [Indexed: 07/14/2024] Open
Abstract
The LipiFlow Thermal Pulsation System received its first marketing clearance for the treatment of meibomian gland dysfunction (MGD) 13 years ago. Since then, the evidence evaluating the effectiveness and safety of LipiFlow as a treatment for MGD has grown significantly. The objective of this comprehensive review was to summarize all clinical reports evaluating the effectiveness and safety of LipiFlow over the past 15 years. The literature was systematically reviewed, and 55 unique articles had subjective (patient-reported outcomes) and objective (meibomian gland function, tear production, and ocular staining) outcomes for extraction. Data were collected from 2101 patients and 3521 eyes treated with LipiFlow. Of these, effectiveness was evaluated in 2041 patients and 3401 eyes, and safety was evaluated in 1448 patients and 2443 eyes. Taken together, the studies demonstrate that a single 12-min treatment with LipiFlow safely improves signs and symptoms of MGD and associated evaporative dry eye disease (DED), and the benefits persist up to 3 years in some cases. The findings are corroborated by multiple meta-analyses and consensus guidelines. While some studies showed that daily eyelid hygiene, warm compress, and/or massage had a similar benefit to a single LipiFlow, these treatments were limited by inconvenience, discomfort, and non-compliance. The majority of studies evaluating safety reported no discomfort or pain associated with LipiFlow treatment, which supports the patient acceptability of LipiFlow therapy. All adverse events (AEs) related to LipiFlow were transient, non-vision-threatening, and did not require treatment. No studies reported serious AEs. The data obtained from 55 studies conducted globally overwhelmingly show that LipiFlow is effective and safe for the treatment of MGD and associated evaporative DED. The conclusions are supported by the diversity of the patient populations (geography, race, disease severity, and diagnosis), the large population treated with LipiFlow, the meta-analyses, and that this review analyzed all published clinical studies to date.
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Affiliation(s)
| | - David Murakami
- Johnson & Johnson Surgical Vision, Inc., Irvine, CA, 92618, USA
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Rocha KM, Farid M, Raju L, Beckman K, Ayres BD, Yeu E, Rao N, Chamberlain W, Zavodni Z, Lee B, Schallhorn J, Garg S, Mah FS. Eyelid margin disease (blepharitis and meibomian gland dysfunction): clinical review of evidence-based and emerging treatments. J Cataract Refract Surg 2024; 50:876-882. [PMID: 38350160 DOI: 10.1097/j.jcrs.0000000000001414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/27/2024] [Indexed: 02/15/2024]
Abstract
Blepharitis is a common ophthalmic condition with multiple etiologies and no definitive, universal treatment. The treatment modalities for managing lid margin diseases vary depending on the disease's cause, location, and severity. For anterior blepharitis, management options include eyelid hygiene with warm compresses, eyelid scrubs, baby shampoo, and over-the-counter eyelid cleansers. Topical antibiotics and antibiotic-steroid combination drops/ointments for the eye and eyelid may accompany these. For posterior blepharitis/meibomian gland dysfunction (MGD), at-home warm compress or in-office administration of heat therapy/thermal pulsation treatment that aims to clear obstruction in the meibomian glands and restore meibum secretions to maintain a healthy tear film is recommended. In addition to the above treatment strategies, various other compounds to manage lid margin diseases are in the late stages of development. This review summarizes the available treatment modalities or those in the pipeline for treating blepharitis and MGD.
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Affiliation(s)
- Karolinne Maia Rocha
- From the Medical University of South Carolina, Storm Eye Institute, Charleston, South Carolina (Rocha); University of California, Irvine, Irvine, California (Farid); New York University, Langone, New York, New York (Raju); Wills Eye Institute, Sidney Kimmel College of Medicine at Thomas Jefferson University, Philadelphia, Pennsylvania (Beckman); Cornea Service, Wills Eye Hospital, Philadelphia, Pennsylvania (Ayres); Virginia Eye Consultants, Norfolk, Virginia (Yeu); Ophthalmic Consultants of Boston and Tufts University School of Medicine, Boston, Massachusetts (Rao); Casey Eye Institute, Oregon Health & Science University, Portland, Oregon (Chamberlain); The Eye Institute of Utah, Salt Lake City, Utah (Zavodni); Eye Consultants of Atlanta and Georgia Eye Bank, Atlanta, Georgia (Lee); Department of Ophthalmology and Francis I Proctor Foundation, University of California, San Francisco, San Francisco, California (Schallhorn); Gavin Herbert Eye Institute, University of California, Irvine, Irvine, California (Garg); Scripps Clinic, La Jolla, California (Mah)
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Ayres BD, Bloomenstein MR, Loh J, Chester T, Saenz B, Echegoyen J, Kannarr SR, Rodriguez TC, Dickerson Jr JE. Improved Signs and Symptoms of Dry Eye Disease for Restasis ® Patients Following a Single Tearcare ® Treatment: Phase 2 of the SAHARA Study. Clin Ophthalmol 2024; 18:1525-1534. [PMID: 38827771 PMCID: PMC11144002 DOI: 10.2147/opth.s464379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024] Open
Abstract
Purpose To evaluate dry eye disease (DED) signs and symptoms six months after a single treatment with Localized Heat Therapy (LHT) (TearCare, Sight Sciences) for patients previously treated for six months with cyclosporine (0.05%) ophthalmic emulsion (CsA) BID (Restasis, Allergan). Setting Nineteen ophthalmic and optometric practices in 11 US states. Design Multicenter, cross-over, six month extension to the SAHARA randomized, controlled trial (RCT). Included patients were those randomized to CsA in Phase 1 of the SAHARA RCT. Methods This was the second phase of the SAHARA RCT in which, following the 6-month endpoint, all patients that had been randomized to CsA discontinued CsA and were treated with LHT and subsequently followed for an additional six months. Outcome measures at 12 months for CsA patients crossed over to LHT included TBUT, OSDI and MGSS. Results One hundred and sixty-one patients (322 eyes) were analyzed. Mean (SD) baseline TBUT prior to CsA was 4.4 (1.2) seconds, 5.6 (2.6) at 6 months which improved to 6.6 (3.2) and 6.1 (2.8) seconds (both P < 0.001) at 9 and 12 months (3, 6 months post LHT). Mean (SD) OSDI was 50.0 (14.9) at baseline and 34.2 (21.5) after CsA. With LHT at 6 months, this improved to 30.0 (20.6) and 31.0 (19.5) at 9 and 12 months (P = 0.162 vs month 6, P < 0.0001 vs baseline). MGSS was 7.1 (3.2) at baseline, 13.3 (8.2) at the end of CsA treatment which improved to 17.4 (8.8) and 16.1 (9.0) at 9 and 12 months; both P <0.001. Conclusion SAHARA showed 6-month superiority of LHT to CsA in clinical signs and non-inferiority in symptom scores. This extension shows that patients treated with CsA for 6 months can achieve meaningful additional improvement in signs and symptoms lasting for as long as 6 months following a single LHT treatment without the need for topical prescription therapy.
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Affiliation(s)
| | | | | | | | - Bobby Saenz
- Rosenberg School of Optometry, University of the Incarnate Word, San Antonio, TX, USA
- LASIK San Antonio, Kerrville, TX, USA
| | | | | | | | - Jaime E Dickerson Jr
- Sight Sciences, Menlo Park, CA, USA
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA
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Pucker AD, Yim TW, Rueff E, Ngo W, Tichenor AA, Conto JE. LipiFlow for the treatment of dry eye disease. Cochrane Database Syst Rev 2024; 2:CD015448. [PMID: 38314898 PMCID: PMC10840070 DOI: 10.1002/14651858.cd015448.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
BACKGROUND Meibomian gland dysfunction (MGD) is the most common underlying cause of dry eye disease (DED). MGD leads to pathological alteration of the composition or quantity of meibum, or both, which subsequently results in tear evaporation and the typical signs and symptoms associated with DED. The LipiFlow Thermal Pulsation System (LipiFlow) is a medical device used to treat MGD in office; however, it is unclear if LipiFlow can outperform other DED treatments. OBJECTIVES To evaluate the effectiveness of LipiFlow for treating DED signs and symptoms and the safety of LipiFlow compared with sham or other available treatments for MGD in adults. SEARCH METHODS The Cochrane Eyes and Vision Information Specialist searched the electronic databases for randomized controlled trials. There were no restrictions on language or date of publication. We searched the Cochrane Central Register of Controlled Trials (CENTRAL, including the Cochrane Eyes and Vision Trials Register; 2022, Issue 6), MEDLINE Ovid, Embase.com, PubMed, LILACS (Latin American and Caribbean Health Science Information database), ClinicalTrials.gov, and World Health Organization International Clinical Trials Registry Platform (WHO ICTRP) electronic databases. We also examined the reference lists of identified trials, review articles, and guidelines for information about relevant trials that may not have been identified by our search strategy. We contacted investigators regarding ongoing trials. The last database search was performed on 24 October 2022. SELECTION CRITERIA We included studies conducted in adults (over 18 years of age) with DED or MGD as defined by the primary trial investigators. We imposed no restrictions on race, ethnicity, or sex. We considered trials involving contact lens wearers if they were equally represented between groups. DATA COLLECTION AND ANALYSIS We applied standard Cochrane methodology. MAIN RESULTS We included 13 trials that randomized a total of 1155 participants (28 to 236 participants randomized per study). Six trials were conducted in the USA, three in China, two in Thailand, one in France, and one in Italy. Eight trials were of single-center design, while four trials were of multicenter design; one trial did not report the number of participating centers. Study characteristics The study population of the included trials was 66% female (range 48% to 80%), with an age range of 19 to 86 years. LipiFlow, used as a stand-alone intervention, was compared with basic warm compresses in five studies, thermostatic device in five studies, oral intervention in one trial, and topical dry eye medications in one trial. LipiFlow was also evaluated together with eyelid hygiene product versus eyelid hygiene products alone in one trial. Findings Five trials compared LipiFlow with a basic warm compress applied for varying durations and frequencies during the trial period; only one of these trials combined a warm compress with eyelid massage. Analyzing symptom scores by different questionnaires (Ocular Surface Disease Index [OSDI] and Standard Patient Evaluation of Eye Dryness [SPEED]) yielded conflicting evidence of a difference in symptoms between LipiFlow and basic warm compresses after four weeks. There was no evidence of a difference in meibomian gland expression, meibum quality, or tear breakup time when comparing LipiFlow with basic warm compresses. Another five trials compared LipiFlow with thermostatic devices. Analysis of symptom scores at four weeks showed that thermostatic devices had reduced OSDI scores by a mean difference (MD) of 4.59 (95% confidence interval [CI] 1.23 to 7.95; I2 = 0, P = 0.007; 553 participants; very low certainty evidence) as compared with LipiFlow. When we compared LipiFlow plus eyelid hygiene with eyelid hygiene alone, there was no evidence of difference in signs or symptoms at any time point evaluated. Only one trial compared LipiFlow with a topical DED medication (lifitegrast 5%). The single-trial estimate suggested that 5% lifitegrast may increase meibomian gland expression scores compared with LipiFlow at day 42 (MD -1.21, 95% CI -2.37 to -0.05; 50 participants; low certainty evidence) by using a meibomian gland expression scale of 0 to 8. One trial compared LipiFlow with an oral intervention (doxycycline), finding that LipiFlow may result in significantly better SPEED scores than doxycycline at three months (MD -4.00, 95% CI -7.33 to -0.67; 24 participants; very low certainty evidence). No other significant differences in signs or symptoms were found between LipiFlow and doxycycline at three months. We did not find any other statistically significant differences in symptoms or signs for any other analysis performed in this review at the one- to four-week time point. Adverse events No trial reported any intervention-related, vision-threatening adverse events. AUTHORS' CONCLUSIONS LipiFlow performs similarly to other commonly used DED treatments with regard to DED signs and symptoms. The best available evidence was deemed to have a high level of bias, leading to low or very low certainty evidence. Additional research with adequate masking, a standardized testing methodology, and a sample representative of the MGD population is therefore needed before any firm conclusions can be drawn regarding comparative benefits and harms.
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Affiliation(s)
- Andrew D Pucker
- Clinical and Medical Science, Lexitas Pharma Services, Durham, North Carolina, USA
| | - Tsz Wing Yim
- Department of Ophthalmology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Erin Rueff
- The Southern California College of Optometry, Marshall B. Ketchum University, Fullerton, California, USA
| | - William Ngo
- School of Optometry & Vision Science, University of Waterloo, Waterloo, Canada
| | - Anna A Tichenor
- Indiana University School of Optometry, Bloomington, Indiana, USA
| | - John E Conto
- Ophthalmology and Visual Science, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Ayres BD, Bloomenstein MR, Loh J, Chester T, Saenz B, Echegoyen J, Kannarr SR, Perez VL, Rodriguez TC, Dickerson Jr JE. A Randomized, Controlled Trial Comparing Tearcare ® and Cyclosporine Ophthalmic Emulsion for the Treatment of Dry Eye Disease (SAHARA). Clin Ophthalmol 2023; 17:3925-3940. [PMID: 38143559 PMCID: PMC10741761 DOI: 10.2147/opth.s442971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 12/11/2023] [Indexed: 12/26/2023] Open
Abstract
Purpose We compare outcomes in eyes with dry eye disease (DED) treated with TearCare (TC) or topical cyclosporine 0.05% (RESTASIS; CsA). Setting Nineteen ophthalmic and optometric practices in 11 US states. Design Multicenter, randomized, assessor-masked, controlled IRB-approved trial. Eligible subjects: ≥22 years of age, dry eye symptoms within 3-6 months, Tear Break-up Time (TBUT) ≥1 to ≤7 s, Meibomian Gland Secretion Score (MGSS) ≤12, Ocular Surface Disease Index (OSDI) of 23-79. Randomized (1:1) to TC or CsA. TC subjects treated at baseline and month 5; CsA was twice daily for 6 months. Methods Follow-up visits were scheduled for Day 1, Week 1, Months 1, 3, and 6 with primary inference at Month 6. Primary outcomes: TBUT and OSDI; secondary outcomes: MGSS, conjunctival and corneal staining, eye dryness score (EDS), symptoms assessment in dry eye (SANDE) score, and Schirmer tear score (STS). Safety assessments included adverse events, best corrected visual acuity, intraocular pressure, and slit-lamp findings. Results Overall, 345 subjects, 172 TC and 173 CsA. TBUT improved at all time points in both groups (p<0.0001), with statistically greater improvement for TC versus CsA (p=0.0006). OSDI improved significantly at all time points in both groups (p<0.0001) with no significant differences between treatments. MGSS and other measures of meibomian gland function improved significantly more with TC eyes versus CsA; other secondary outcomes showed significant improvements in both groups with no difference between groups. Treatment-related adverse events were uncommon (10 total, 8 in the CsA group consistent with prior CsA studies); most (9/10) mild. Conclusion TC provides statistically superior and sustained improvement in TBUT and multiple measures of meibomian gland secretion, and non-inferior improvement in OSDI, corneal and conjunctival staining, SANDE, EDS, and STS versus CsA. TC should be a preferred treatment for DED associated with MGD.
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Affiliation(s)
| | | | | | | | - Bobby Saenz
- Rosenberg School of Optometry, University of the Incarnate Word, San Antonio, TX, USA
- LASIK San Antonio, Kerrville, TX, USA
| | | | | | - Victor L Perez
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA
| | | | - Jaime E Dickerson Jr
- Sight Sciences, Menlo Park, CA, USA
- North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX, USA
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Ucakhan OO, Celik-Buyuktepe T, Yang L, Wogu B, Asbell PA. Update on Dry Eye Disease Treatment: Evidence From Randomized Controlled Trials. Eye Contact Lens 2023; 49:542-568. [PMID: 37728883 DOI: 10.1097/icl.0000000000001026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2023] [Indexed: 09/21/2023]
Abstract
ABSTRACT Although the ultimate goal of dry eye disease (DED) management is to restore the ocular surface and tear film homeostasis and address any accompanying symptoms, addressing this is not an easy task. Despite the wide range of current treatment modalities targeting multiple aspects of DED, the available DED management literature is quite heterogeneous, rendering evaluation or comparison of treatment outcomes hard or almost impossible. There is still a shortage of well-designed, large-scale, nonsponsored, randomized, controlled trials (RCTs) evaluating long-term safety and efficacy of many targeted therapies individually or used in combination, in the treatment of identified subgroups of patients with DED. This review focuses on the treatment modalities in DED management and aims to reveal the current evidence available as deduced from the outcomes of RCTs.
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Affiliation(s)
- Omur O Ucakhan
- Department of Ophthalmology (O.O.U.), Ankara University School of Medicine, Ankara, Turkey; Department of Ophthalmology (T.C.-B.), Unye State Hospital, Ordu, Turkey; Department of Ophthalmology (L.Y.), University of Tennessee Health Science Center, Memphis, TN;Sidney Kimmel Medical College at Thomas Jefferson University (B.W.), Philadelphia, PA; and Department of Ophthalmology (P.A.A.), University of Tennessee Health Science Center, Memphis, TN
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7
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Chester T, Ferguson T, Chester E. Localized Heat Treatment for Meibomian Gland Dysfunction: A Single-Center Retrospective Analysis of Efficacy over Time. Optom Vis Sci 2023; 100:625-630. [PMID: 37585853 PMCID: PMC10637300 DOI: 10.1097/opx.0000000000002053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 06/18/2023] [Indexed: 08/18/2023] Open
Abstract
SIGNIFICANCE Meibomian gland dysfunction (MGD) can produce a myriad of symptoms. The effective treatment of MGD can reduce the burden of this condition. Although several studies have indicated that TearCare (Sight Sciences, Menlo Park, CA) is an effective treatment for MGD, no studies currently provide information regarding the duration of efficacy. PURPOSE The purpose of this analysis was to determine the duration of efficacy of symptom relief and improvement of signs (as measured by gland function) for a treatment consisting of controlled heating of the meibomian glands using SmartLids (Sight Sciences) combined with manual expression of the liquefied meibum by a physician. METHODS This study involved retrospective analysis of data gathered from a single-center ophthalmology/optometry practice. Symptoms were assessed using the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire, and the signs were assessed using the meibomian gland expression (MGE) scores before and at several time points (8 weeks, 6 months, 12 months, and 18 months). Further analysis evaluating the efficacy in subgroups based on age, race, and sex was performed. RESULTS There were 78 patients included in this study. The mean baseline SPEED score decreased from 14 to 7.9 at 8 weeks. The mean SPEED scores at 6 and 12 months were maintained at 7.7 and 7.9, respectively, and at 18 months went to 8.9. At baseline, the mean MGE was 4.9 in the right eye and 4.8 in the left eye. In both eyes, the mean MGE increased to 9.0 in both eyes at 8 weeks. At 6 months, the mean MGE score was maintained at 8.6 in the right and 8.2 in the left and remained consistent at 12 months with 7.8 in the right and 7.8 in the left. At 18 months, the MGE score went to 6.8 in the right eye and 7.0 in the left eye. CONCLUSIONS A single TearCare treatment effectively reduced both the symptoms and signs of MGD and maintained its effects for 12 months.
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Sheppard JD, Nichols KK. Dry Eye Disease Associated with Meibomian Gland Dysfunction: Focus on Tear Film Characteristics and the Therapeutic Landscape. Ophthalmol Ther 2023; 12:1397-1418. [PMID: 36856980 PMCID: PMC10164226 DOI: 10.1007/s40123-023-00669-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/27/2023] [Indexed: 03/02/2023] Open
Abstract
Meibomian gland dysfunction (MGD) is highly prevalent and is the leading cause of evaporative dry eye disease (DED). MGD is characterized by a reduction in meibum secretion and/or a change in meibum composition that results in the disruption of the tear film lipid layer and an increase in the tear film evaporation rate. Excessive evaporation causes tear film instability, desiccation, tear hyperosmolarity, inflammation, and apoptosis of ocular surface cells, resulting in a continuous cycle of DED. The primary treatment goal for DED associated with MGD is to restore the tear film lipid layer and decrease evaporation, thereby reducing ocular signs and symptoms. The management of MGD includes home care options (eyelid hygiene, warming eye masks, ocular lubricants) and office-based treatments (manual expression, microblepharoexfoliation, thermal pulsation, intense pulsed light, intraductal probing). Topical ophthalmic prescription medications attempt to alter various factors that may contribute to DED (e.g., inflammation, bacterial growth, inadequate tear production). In this review, clinical evidence regarding available treatments and emerging therapies from randomized studies in patients with DED associated with MGD is summarized. Although some treatment modalities have been evaluated specifically for DED patients with MGD, large-scale randomized controlled trials are needed to confirm efficacy and safety in this patient population. Currently, there are no approved prescription pharmacologic treatments specifically indicated for DED associated with MGD, and those medications approved for the treatment of DED do not target the key driver of the disease (i.e., excessive evaporation). NOV03 (perfluorohexyloctane; under review with the US Food and Drug Administration) is the most advanced emerging therapy for DED associated with MGD and has demonstrated statistically significant improvements in both signs and symptoms in randomized controlled trials. Development of novel pharmacotherapies will improve therapeutic options and allow for a more individualized approach for patients with DED associated with MGD.
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Affiliation(s)
- John D Sheppard
- Virginia Eye Consultants and Eastern Virginia Medical School, Suite #210, 241 Corporate Blvd, Norfolk, VA, 23502, USA. .,Eyecare Partners, St. Louis, MO, USA.
| | - Kelly K Nichols
- School of Optometry, University of Alabama at Birmingham, Birmingham, AL, USA
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Borgia A, Raimondi R, Fossati G, De Rosa FP, Romano V, Borroni D, Vigo L, Scorcia V, Giannaccare G. Device-based therapies as a boost of conventional treatment in dry eye disease. EXPERT REVIEW OF OPHTHALMOLOGY 2022. [DOI: 10.1080/17469899.2022.2147928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Alfredo Borgia
- Eye Unit, Humanitas-Gradenigo Hospital, Turin, Italy
- Department of Corneal Diseases, St. Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool, United Kingdom
| | - Raffaele Raimondi
- Humanitas University, Department of Biomedical Sciences, Pieve Emanuele, Milan, Italy
| | - Giovanni Fossati
- Humanitas University, Department of Biomedical Sciences, Pieve Emanuele, Milan, Italy
| | | | - Vito Romano
- Eye Clinic, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
| | - Davide Borroni
- Department of Doctoral Studies, Riga Stradins University, LV-1007 Riga, Latvia
| | - Luca Vigo
- Carones Ophthalmology Center, Milan, Italy
| | - Vincenzo Scorcia
- Department of Ophthalmology, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Giuseppe Giannaccare
- Department of Ophthalmology, University Magna Græcia of Catanzaro, Catanzaro, Italy
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Bzovey B, Ngo W. Eyelid Warming Devices: Safety, Efficacy, and Place in Therapy. CLINICAL OPTOMETRY 2022; 14:133-147. [PMID: 35959466 PMCID: PMC9362510 DOI: 10.2147/opto.s350186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/28/2022] [Indexed: 06/15/2023]
Abstract
Meibomian gland dysfunction (MGD) is characterized by the obstruction and/or inflammation of the meibomian glands that result in decreased and altered meibum secretion. This results in deficiencies in the tear film lipid layer which contributes to increased evaporation and destabilization of the tear film. One of the mainstay therapies for MGD is medical devices that apply heat and/or pressure to the eyelids and promote the liquification and outflow of meibum into the tear film. Over the past two decades, there have been a surge of interest in diagnosing and managing MGD. As a result, numerous medical devices have been developed and each have their own unique approach to treating MGD. This narrative review was conducted to summarize the current state of knowledge on eyelid warming devices, specifically warm eye coverings, devices that direct heat and/or pressure to the eyelids, moisture chamber goggles, and light-based therapy. This review summarized 58 human clinical studies and found that most eyelid warming devices were efficacious in improving signs and symptoms in a wide range of MGD severities and were generally safe to use.
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Affiliation(s)
- Brandon Bzovey
- Centre for Ocular Research & Education, School of Optometry & Vision Science University of Waterloo, Waterloo, Ontario, Canada
| | - William Ngo
- School of Optometry & Vision Science, University of Waterloo, Waterloo, Ontario, Canada
- Centre for Eye and Vision Research (CEVR), Hong Kong, People’s Republic of China
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Holland EJ, Loh J, Bloomenstein M, Thompson V, Wirta D, Dhamdhere K. A Comparison of TearCare and Lipiflow Systems in Reducing Dry Eye Disease Symptoms Associated with Meibomian Gland Disease. Clin Ophthalmol 2022; 16:2861-2871. [PMID: 36065356 PMCID: PMC9440678 DOI: 10.2147/opth.s368319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/27/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose To compare TearCare and Lipiflow systems in the ability to reduce the symptoms of dry eye disease (DED) associated with meibomian gland dysfunction (MGD). Methods In this multicenter, masked, randomized-controlled trial, 235 subjects received a single TearCare treatment (n = 115) or a single LipiFlow treatment (n = 120) and were followed for 1-month post-treatment. DED symptoms were assessed using the Ocular Surface Disease Index (OSDI), Symptom Assessment in Dry Eye (SANDE), and Eye Dryness (ED) questionnaires at baseline and at 1 month. Post-hoc subgroup analysis was conducted on subjects with less severe and more severe gland obstruction determined by baseline meibomian gland secretion score (MGSS). Results TearCare system significantly improved total OSDI, SANDE, and ED scores from baseline (p < 0.0001) at 1-month follow-up. Subjects with more severe disease (MGSS <7) achieved statistically greater reduction with TearCare compared to LipiFlow in total OSDI score (30.4 ± 2.53 and 21.9 ± 2.37, respectively, pANCOVA = 0.0160), OSDI Section B score for quality of vision (5.1 ± 0.48 and 3.6 ± 0.45, respectively, pANCOVA= 0.0206), and SANDE frequency score (51.9 ± 3.70 and 41.5 ± 3.45, respectively, pANCOVA = 0.0455). Conclusion TearCare provides significant DED symptom relief at 1 month after a single treatment. Outcomes were consistent in OSDI, SANDE, and ED assessments. In subjects with more severe gland dysfunction, TearCare performed significantly better than LipiFlow in improving quality of vision and overall DED symptom frequency determined by OSDI and SANDE. Clinical Trial Registration Number NCT03857919.
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Affiliation(s)
| | | | | | | | - David Wirta
- Eye Research Foundation, Newport Beach, CA, USA
| | - Kavita Dhamdhere
- Sight Sciences, Inc, Menlo Park, CA, USA
- Mahatma Gandhi Medical College and Research Center, Wardha, India
- Correspondence: Kavita Dhamdhere, Tel +1 650-223-4062, Fax +1 877-266-1144, Email
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Tauber J, Kennedy T, Juthani V. The preoperative management of meibomian gland dysfunction prior to corneal refractive surgery. Curr Opin Ophthalmol 2022; 33:251-257. [PMID: 35779049 DOI: 10.1097/icu.0000000000000866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW To describe the significance of meibomian gland dysfunction (MGD) in corneal refractive surgery and to describe available approaches to preoperative evaluation and treatment based on current research. RECENT FINDINGS There are several methods available for the evaluation and treatment of MGD. These are relevant for refractive surgeons to understand, as the presence of MGD preoperatively plays a role in the severity of MGD after corneal refractive surgery. Refractive surgery itself can exacerbate MGD. Treatment of MGD prior to surgery may have a meaningful impact on postoperative MGD. SUMMARY Surgeons should include meibomian gland assessment in the preoperative refractive evaluation and should treat MGD proactively prior to performing refractive surgery. Relevant information in this field is growing; additional prospectively designed studies are needed to further enhance our understanding.
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Affiliation(s)
- Jenna Tauber
- Montefiore Medical Center/Albert Einstein College of Medicine, Department of Ophthalmology
| | | | - Viral Juthani
- Montefiore Medical Center/Albert Einstein College of Medicine, Department of Ophthalmology
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