Pterygium Clinical Trial
Official title:
Intralesional Ranibizumab on Pterygium Vascularity, Size and Recurrence Rate: a Pilot Study
The purpose of this study is to evaluate the pterygium vascularity and size before and after intralesional ranibizumab injection and to evaluate its recurrence rate following pterygium excision surgery.
Status | Completed |
Enrollment | 36 |
Est. completion date | September 2014 |
Est. primary completion date | September 2014 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | N/A and older |
Eligibility |
Inclusion Criteria: - All patients with primary pterygium. - Grade T3 (fleshy) pterygium. Exclusion Criteria: - Patients with other ocular surface disorders. - Previous ocular surgery or trauma. - History of systemic thromboembolic event. - Pregnant women and lactating mother. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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University of Science Malaysia |
Ang LP, Chua JL, Tan DT. Current concepts and techniques in pterygium treatment. Curr Opin Ophthalmol. 2007 Jul;18(4):308-13. Review. — View Citation
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Enkvetchakul O, Thanathanee O, Rangsin R, Lekhanont K, Suwan-Apichon O. A randomized controlled trial of intralesional bevacizumab injection on primary pterygium: preliminary results. Cornea. 2011 Nov;30(11):1213-8. doi: 10.1097/ICO.0b013e31821c9b44. — View Citation
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Galor A, Yoo SH, Piccoli FV, Schmitt AJ, Chang V, Perez VL. Phase I study of subconjunctival ranibizumab in patients with primary pterygium undergoing pterygium surgery. Am J Ophthalmol. 2010 Jun;149(6):926-931.e2. doi: 10.1016/j.ajo.2010.01.015. Epub 201 — View Citation
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Hosseini H, Nejabat M, Khalili MR. Bevacizumab (Avastin) as a potential novel adjunct in the management of pterygia. Med Hypotheses. 2007;69(4):925-7. Epub 2007 Mar 26. — View Citation
Hu Q, Qiao Y, Nie X, Cheng X, Ma Y. Bevacizumab in the treatment of pterygium: a meta-analysis. Cornea. 2014 Feb;33(2):154-60. doi: 10.1097/ICO.0000000000000037. — View Citation
Hurmeric V, Vaddavalli P, Galor A, Perez VL, Roman JS, Yoo SH. Single and multiple injections of subconjunctival ranibizumab for early, recurrent pterygium. Clin Ophthalmol. 2013;7:467-73. doi: 10.2147/OPTH.S40400. Epub 2013 Mar 4. — View Citation
Karalezli A, Kucukerdonmez C, Akova YA, Koktekir BE. Does topical bevacizumab prevent postoperative recurrence after pterygium surgery with conjunctival autografting? Int J Ophthalmol. 2014 Jun 18;7(3):512-6. doi: 10.3980/j.issn.2222-3959.2014.03.23. eCol — View Citation
Kocabora SM, Fazil K, Ozsutcu M, Doyduk-Kocabora A, Gulkilik G. Subconjunctival bevacizumab injection in the surgery of primary pterygium: comparison with intraoperative mitomycin-C. Bull Soc Belge Ophtalmol. 2013;(322):7-12. — View Citation
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Mandalos A, Tsakpinis D, Karayannopoulou G, Tsinopoulos I, Karkavelas G, Chalvatzis N, Dimitrakos S. The effect of subconjunctival ranibizumab on primary pterygium: a pilot study. Cornea. 2010 Dec;29(12):1373-9. doi: 10.1097/ICO.0b013e3181d927b9. — View Citation
Mansour AM. Treatment of inflamed pterygia or residual pterygial bed. Br J Ophthalmol. 2009 Jul;93(7):864-5. doi: 10.1136/bjo.2008.155291. — View Citation
Nava-Castañeda A, Olvera-Morales O, Ramos-Castellon C, Garnica-Hayashi L, Garfias Y. Randomized, controlled trial of conjunctival autografting combined with subconjunctival bevacizumab for primary pterygium treatment: 1-year follow-up. Clin Experiment Oph — View Citation
Ozgurhan EB, Agca A, Kara N, Yuksel K, Demircan A, Demirok A. Topical application of bevacizumab as an adjunct to recurrent pterygium surgery. Cornea. 2013 Jun;32(6):835-8. doi: 10.1097/ICO.0b013e3182772d4e. — View Citation
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Prabhasawat P, Barton K, Burkett G, Tseng SC. Comparison of conjunctival autografts, amniotic membrane grafts, and primary closure for pterygium excision. Ophthalmology. 1997 Jun;104(6):974-85. — View Citation
Prabhasawat P, Tesavibul N, Leelapatranura K, Phonjan T. Efficacy of subconjunctival 5-fluorouracil and triamcinolone injection in impending recurrent pterygium. Ophthalmology. 2006 Jul;113(7):1102-9. Epub 2006 May 26. — View Citation
Razeghinejad MR, Banifatemi M. Subconjunctival bevacizumab for primary pterygium excision; a randomized clinical trial. J Ophthalmic Vis Res. 2014 Jan;9(1):22-30. — View Citation
Razeghinejad MR, Hosseini H, Ahmadi F, Rahat F, Eghbal H. Preliminary results of subconjunctival bevacizumab in primary pterygium excision. Ophthalmic Res. 2010;43(3):134-8. doi: 10.1159/000252980. Epub 2009 Oct 29. — View Citation
Razeghinejad R, Banifatemi M, Hosseini H. The effect of different doses of subconjunctival bevacizumab on the recurrence rate of excised primary pterygium. Bull Soc Belge Ophtalmol. 2013;(322):13-20. — View Citation
Sarac O, Demirel S, Oltulu R. Efficacy of intralesional bevacizumab administration in primary pterygium: a quantitative analysis. Eye Contact Lens. 2014 Jan;40(1):46-50. doi: 10.1097/ICL.0000000000000004. — View Citation
Shahin MM, Elbendary AM, Elwan MM. Intraoperative subconjunctival bevacizumab as an adjunctive treatment in primary pterygium: a preliminary report. Ophthalmic Surg Lasers Imaging. 2012 Nov-Dec;43(6):459-66. doi: 10.3928/15428877-20120802-02. Epub 2012 Au — View Citation
Shenasi A, Mousavi F, Shoa-Ahari S, Rahimi-Ardabili B, Fouladi RF. Subconjunctival bevacizumab immediately after excision of primary pterygium: the first clinical trial. Cornea. 2011 Nov;30(11):1219-22. doi: 10.1097/ICO.0b013e31820ca63f. — View Citation
Tan DT, Chee SP, Dear KB, Lim AS. Effect of pterygium morphology on pterygium recurrence in a controlled trial comparing conjunctival autografting with bare sclera excision. Arch Ophthalmol. 1997 Oct;115(10):1235-40. Erratum in: Arch Ophthalmol 1998 Apr;116(4):552. — View Citation
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Wu PC, Kuo HK, Tai MH, Shin SJ. Topical bevacizumab eyedrops for limbal-conjunctival neovascularization in impending recurrent pterygium. Cornea. 2009 Jan;28(1):103-4. doi: 10.1097/ICO.0b013e3181822615. — View Citation
* Note: There are 35 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | pterygium recurrence | pterygium recurrence is defined as true recurrence with a fibrovascular tissue invading the cornea (grade 4 lesion) | 1 year | No |
Secondary | pterygium vessel area | Pterygium vesel area is defined as the as the ration of pixels occupied by the vessels within the pterygium area in percentage. | 1 week | No |
Secondary | corneal pterygium area | Corneal pterygium area is defined as the as the ration of pixels occupied by the pterygium within the cornea area in percentage. | 1 week | No |
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