| Not Yet Recruiting | Outcomes From Hyperbaric Oxygen (HBO2) Treatment for Emerging Indications NCT07240649 | Jay C. Buckey Jr. | Phase 4 |
| Not Yet Recruiting | Comparing Two Surgical Methods to Prevent Pterygium Regrowth NCT07277426 | College of Physicians and Surgeons Pakistan | N/A |
| Enrolling By Invitation | Comparison Of Keratometric Readings Pre and Post Pterygium Excision With Conjunctival Autograft Transplantatio NCT07198126 | Mughal Eye Trust Hospital | N/A |
| Not Yet Recruiting | Clinical Outcomes of Sutured Versus Sutureless Conjunctival Autograft in Primary Pterygium Excision NCT06734663 | Assiut University | N/A |
| Recruiting | Comparison of Recurrence Between Mini-SLET and Limbal-Conjunctival Autograft Techniques in Primary Pterygium NCT06402643 | Instituto de Oftalmología Fundación Conde de Valenciana | N/A |
| Completed | CsA vs MMC for Preventing Pterygium Recurrence NCT06944132 | Benha University | N/A |
| Unknown | Expression of CD44, PCNA and E-cadherin in Pterygium Tissue NCT06042296 | Balikesir University | — |
| Completed | The Use of Lidocaine Gel Versus Subconjunctival Xylocaine Injection in Pterygium Excision NCT05978687 | Vrije Universiteit Brussel | Phase 4 |
| Completed | RMP-A03 Ocular Suspension in Patients With Pterygium NCT05794204 | Suzhou Raymon Pharmaceuticals Company, Ltd. | Phase 2 |
| Unknown | Platelet-rich Fibrin(PRF) Membrane in Ophthalmic Diseases NCT06200727 | Lei Du | N/A |
| Active Not Recruiting | A Clinical Trial on Safety and Efficacy of CBT-001 in Patients With Pterygium NCT05456425 | Cloudbreak Therapeutics, LLC | Phase 3 |
| Unknown | Corneal Topographic Changes After Pterygium Surgery NCT05026307 | Sohag University | N/A |
| Unknown | Brimonidine Tartrate for Pterygium Surgery NCT04683159 | Uptown Eye Specialists | N/A |
| Unknown | Molecular Taxonomy of Surgically-harvested Ocular Tissues Defined by Single-cell Transcriptomics NCT04682054 | The First Affiliated Hospital with Nanjing Medical University | N/A |
| Completed | Comparison Between Topical Mitomycin C and Cyclosporine NCT05627947 | Egymedicalpedia | Phase 1 |
| Completed | Dextenza in Pterygium Surgery NCT04403516 | Michelle Rhee MD | Phase 4 |
| Completed | Manifestations of Ocular Irritation Following Pterygium Excision With Sutures Fixed Conjunctival Autograft NCT05164900 | Tanta University | N/A |
| Completed | Prevalence of HPV-associated Eye Infection and Cytokine Levels in Tears From Patients Diagnosed With Pterygium NCT04117386 | Chulalongkorn University | — |
| Completed | Efficacy of Autologous Fibrin Glue in Pterygium NCT04151017 | Hospital de Clinicas de Porto Alegre | N/A |
| Unknown | A Comparison Between Surgical Techniques for Securing Conjunctival Autografting in Primary Pterygium Surgery NCT03301974 | Assiut University | N/A |
| Completed | Preoperative Bevacizumab Injection in Primary Pterygium in Tunisian Patients NCT05314673 | University Hospital Fattouma Bourguiba | Phase 4 |
| Completed | A Study of the Response to AG-86893 in Patients With Pterygium Hyperemia NCT03533244 | Allgenesis Biotherapeutics Inc. | Phase 2 |
| Unknown | The Corneal and Conjunctiva Sensation Before and After Pterygium Surgeries NCT03314389 | Sheba Medical Center | N/A |
| Completed | Efficacy and Safety of PRO-155 on Inflammation of the Conjunctival Surface in Subjects With Grade I-III Pteryg NCT03521791 | Laboratorios Sophia S.A de C.V. | Phase 4 |
| Completed | Subconjunctival Injection of Triamcinolone Acetonide and Limited Peritomy During Pterygium Excision NCT03377348 | Assiut University | N/A |
| Unknown | Corneal Changes With Pentacam Before and After Pterygium NCT03304366 | Assiut University | — |
| Unknown | Corneal Epithelial Autograft for Pterygium NCT03217500 | Chunxiao Wang | N/A |
| Completed | Safety and Efficacy of CBT-001 Ophthalmic Solution in Patients With Pterygium NCT03049852 | Cloudbreak Therapeutics, LLC | Phase 2 |
| Unknown | Tissue Engineering Conjunctiva for the Treatment of Pterygium and Atretoblepharia NCT02911532 | Shandong Eye Hospital | N/A |
| Completed | Effect of Bromfenac on Pain Related to Pterygium Surgery NCT04022811 | Zhongshan Ophthalmic Center, Sun Yat-sen University | Phase 4 |
| Completed | Assessment of Low-temperature Plasma Surgery System in Pterygium With Fibrin Glue and Conjunctival Autografts NCT03204084 | Zhongshan Ophthalmic Center, Sun Yat-sen University | — |
| Completed | Clinical Outcomes of Femtosecond Laser-assisted Pterygium Surgery (FLAPS) NCT02866968 | Singapore Eye Research Institute | N/A |
| Unknown | Assessment of the Efficacy of Ocular Dipyridamole in the Treatment of Dry Eye Symptomology in Subjects With Pt NCT02782260 | Ariel University | Phase 2 |
| Unknown | Intraoperative Mitomycin C, Amniotic Membrane Transplantation and Conjunctival Autograft for Primary Pterygium NCT02102776 | Sun Yat-sen University | N/A |
| Unknown | Pterygium Head Body MMC1: Two Different Surgical Procedures and Their Effect on Endothelial Cell Count. NCT02641132 | Meir Medical Center | Phase 4 |
| Terminated | Robotic Surgery of the Ocular Surface NCT02116062 | University Hospital, Strasbourg, France | N/A |
| Completed | Treatment of Primary Type I Pterygia With Argon Laser NCT03485001 | Instituto de Oftalmología Fundación Conde de Valenciana | N/A |
| Unknown | A Novel Technique for the Removal of Pterygiums NCT02321150 | The University of The West Indies | N/A |
| Unknown | Surgical Result of Pterygium Extended Removal Followed by Fibrin Glue Assisted Amniotic Membrane Transplantati NCT02015000 | National Taiwan University Hospital | N/A |
| Completed | Different Surgical Techniques for Pterygium Surgery NCT02002338 | Instituto de Olhos de Goiania | — |
| Unknown | Corneal Epithelium Repair and Therapy Using Autologous Limbal Stem Cell Transplantation NCT02148016 | Sun Yat-sen University | Phase 1 / Phase 2 |
| Completed | Intralesional Ranibizumab on Pterygium Vascularity, Size and Recurrence Rate: a Pilot Study NCT02342392 | Universiti Sains Malaysia | Phase 2 / Phase 3 |
| Completed | Role of Sub-Conjunctival Bevacizumab in Post Pterygium Excision Management NCT01736449 | Arrowhead Regional Medical Center | Phase 4 |
| Completed | Topical Bevacizumab for Preventing Recurrent Pterygium NCT01311960 | Chulalongkorn University | Phase 3 |
| Completed | Safety Study of Avastin Used as Adjunctive Therapy in Pterygium Surgery NCT01115517 | The University of Texas Health Science Center, Houston | Phase 2 |
| Unknown | Bandage Contact Lens and Oral Analgesics Versus Patching and Oral Analgesics for Pain Following Pterygium Surg NCT01249235 | University Health Network, Toronto | N/A |
| Unknown | Prospective Randomized Pilot Study Comparing Inferior Versus Superior Conjunctival Autografts for Primary Pter NCT01261455 | University Health Network, Toronto | N/A |
| Completed | Efficacy and Safety of Sub-tenon Ranibizumab for Recurrent Pterygia NCT01169909 | University of New Mexico | Phase 1 |
| Completed | Different Hemostasis According to the Anesthetic Agents NCT02151305 | Seoul National University Bundang Hospital | N/A |
| Completed | Safety and Efficacy of Cyclosporine Ophthalmic Emulsion in Patients With Primary Pterygium NCT01109056 | Allergan | Phase 2 |
| Completed | Comparison Between Sutureless and Glue Free Versus Sutured Limbal Conjunctival Autograft in Primary Pterygium NCT02009072 | Shaaban Elwan | N/A |
| Terminated | Risk Factors and Biomarkers Associated With Recurrence After Excision of Primary Pterygium NCT01068496 | Singapore National Eye Centre | — |
| Completed | Bevacizumab for Primary Pterygium Treatment NCT01686529 | Instituto de Oftalmología Fundación Conde de Valenciana | Phase 1 |
| Completed | The Application of Fibrin Glue (Tissucol Duo Quick) in External Eye Surgeries NCT02138019 | National Taiwan University Hospital | N/A |
| Unknown | Using Impression Cytology to Observe the Cytological Changes of Ocular Surface Cells in Various Ocular Surface NCT01387971 | National Taiwan University Hospital | — |
| Completed | Evaluation of Tranilast to Treat Pterygium Before Excision NCT01003613 | Gildasio Castello de Almeida Junior | Phase 3 |
| Unknown | Intralesional Bevacizumab Injection on Primary Pterygium NCT01380678 | Khon Kaen University | Phase 3 |
| Completed | Ranibizumab for the Inhibition of Neovascularization in Pterygia NCT00768963 | University of Miami | Phase 1 |
| Completed | Determinants of Pterygium Occurrence and Recurrence in a Rural African Population NCT00713180 | Anguria, Peter, M.D. | N/A |
| Unknown | Alcohol 20% for Separation of Pterygium and Comparison of Different Wound Closure Methods NCT00704977 | Soroka University Medical Center | N/A |
| Completed | The Effect of Bevacizumab (Avastin) on Pterygium NCT00592176 | University of Alabama at Birmingham | Phase 2 |
| Completed | Rotational Narrow Strip Versus Full Conjunctival Graft in Pterygium Excision NCT01083927 | University of Malaya | N/A |
| Completed | To Compare Fibrin Glue and Suture in Primary Pterygium Excision With Amniotic Membrane Transplantation NCT00457223 | Chulalongkorn University | Phase 2 / Phase 3 |
| Unknown | Ologen(Oculusgen)-Glaucoma and Pterygium Historical Control Study in China Shanghai Sixth People's Hospital NCT00478790 | Pro Top & Mediking Company Limited | Phase 3 |
| Completed | Conjunctival Autologous Transplantation Using Fibrin Glue in Primary Pterygia NCT00949728 | Hospital de Olhos Sadalla Amin Ghanem | N/A |
| Completed | The Use of Natural Latex Biomembrane in Ocular Surface Reconstruction NCT01250353 | University of Sao Paulo | Phase 2 |
| Unknown | Comparison of Glue With Sutures for Pterygium Surgery NCT00326560 | Wellington Hospital | Phase 3 |
| Completed | Ologen (OculusGen)-Glaucoma and Pterygium Historical Control Study in China Zhong-Shan Hospital NCT00320957 | Pro Top & Mediking Company Limited | Phase 3 |
| Completed | Ologen (OculusGen)-Glaucoma and Pterygium Historical Control Study in China Beijing Hospital NCT00320762 | Pro Top & Mediking Company Limited | Phase 3 |
| Completed | Ologen (OculusGen)-Glaucoma and Pterygium Historical Control Study in Beijing Remin Hospital NCT00321035 | Pro Top & Mediking Company Limited | Phase 3 |
| Withdrawn | The Application of Fibrin Glue in Ocular Surface Diseases NCT00155402 | National Taiwan University Hospital | Phase 1 |
| Completed | Polyglactin Sutures Versus Nylon Sutures for Suturing of Conjunctival Autograft in Pterygium Surgery: a Random NCT00391573 | Hospital Authority, Hong Kong | N/A |
| Completed | Assessment of Fibrin Glue in Pterygium Surgery and Other Forms of External Eye Surgery NCT00344201 | Singapore National Eye Centre | Phase 1 |
| Unknown | Surgical Treatment of Concurrent Cataract and Primary Pterygium NCT00563277 | Hospital Authority, Hong Kong | N/A |
| Unknown | Effect of Pterygium Excision on Intraocular Lens Power Calculation for Subsequent Cataract Operation NCT00563667 | Hospital Authority, Hong Kong | N/A |
| Completed | ICG Angiography in Amniotic Membrane Graft and Conjunctival Autograft After Pterygium Excision NCT00383825 | Baskent University | N/A |
| Completed | Autologous ex Vivo Conjunctival Epithelial Cell Expansion for Ocular Surface Transplantation NCT00346450 | Singapore National Eye Centre | Phase 3 |
| Completed | Pterygium Treatment Using Single Beta-therapy as Adjuvant Treatment Compared to Conjunctival Autograft NCT01024257 | Marilia Medicine School | Phase 3 |