| Recruiting | RESTORE: Comparing Two Approaches to Repeat TT Surgery Performed by Integrated Eye Care Workers (IECWs) NCT07322302 | University of North Carolina, Chapel Hill | N/A |
| Withdrawn | Trachoma Elimination Study by Focused Antibiotic (TESFA) NCT03523156 | Emory University | Phase 4 |
| Withdrawn | Azithromycin Reduction to Reach Elimination of Trachoma B NCT06289647 | University of California, San Francisco | Phase 4 |
| Completed | Enhancing the A in SAFE for Trachoma NCT05634759 | Emory University | Phase 4 |
| Active Not Recruiting | Kebele Elimination of Trachoma for Ocular Health NCT03335072 | University of California, San Francisco | Phase 4 |
| Completed | Cluster RCT of Co-administration Azithromycin, Albendazole & Ivermectin NCT03570814 | London School of Hygiene and Tropical Medicine | Phase 4 |
| Completed | Azithromycin Reduction to Reach Elimination of Trachoma NCT04185402 | University of California, San Francisco | Phase 4 |
| Completed | Safety and Immunogenicity of a Chlamydia Vaccine CTH522 NCT03926728 | Statens Serum Institut | Phase 1 |
| Terminated | App-based Versus Slide-based Inter-grader Agreement (IGA) Test for Trachoma Graders NCT04002726 | London School of Hygiene and Tropical Medicine | N/A |
| Terminated | Smartphone App for Taking Images of Conjunctivae NCT03997487 | London School of Hygiene and Tropical Medicine | N/A |
| Completed | Testing Insect Repellents Against Musca Sorbens, the Vector of Trachoma NCT03813069 | London School of Hygiene and Tropical Medicine | Phase 2 |
| Completed | Safety of Co-administration of IDA and Azithromycin for NTDs ( ComboNTDs ) NCT03676140 | Lihir Medical Centre | Phase 3 |
| Withdrawn | Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population NCT02655432 | Université de Montréal | — |
| Completed | Sanitation, Water, and Instruction in Face-washing for Trachoma I/II NCT02754583 | University of California, San Francisco | Phase 3 |
| Withdrawn | Nepal Elimination of Trachoma Study NCT02176057 | University of California, San Francisco | Phase 2 / Phase 3 |
| Completed | Water Uptake for Health in Amhara Pilot NCT02373657 | University of California, San Francisco | N/A |
| Withdrawn | Safety Study of Combined Azithromycin, Ivermectin and Albendazole for Trachoma and Lymphatic Filariasis NCT01903057 | Emory University | Phase 4 |
| Completed | Fluorometholone as Ancillary Therapy for TT Surgery NCT01949454 | University of Pennsylvania | N/A |
| Completed | A Surveillance and Azithromycin Treatment for Newcomers and Travelers Evaluation: The ASANTE Trial NCT01767506 | Johns Hopkins University | N/A |
| Completed | Tripartite International Research for the Elimination of Trachoma NCT01202331 | University of California, San Francisco | Phase 4 |
| Completed | Modified Instrumentation for Surgery to Correct Trichiasis NCT00886015 | Johns Hopkins University | N/A |
| Completed | Partnership for Rapid Elimination of Trachoma NCT00792922 | Johns Hopkins University | Phase 4 |
| Completed | A Trial of Non-absorbable Versus Absorbable Sutures for Trichiasis Surgery NCT00522860 | London School of Hygiene and Tropical Medicine | Phase 4 |
| Completed | Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger NCT00618449 | University of California, San Francisco | Phase 4 |
| Completed | Trachoma Amelioration in Northern Amhara (TANA) NCT00322972 | University of California, San Francisco | Phase 4 |
| Completed | Impact of Water and Health Education Programs on Trachoma and Ocular C. Trachomatis in Niger NCT00348478 | Johns Hopkins University | Phase 4 |
| Withdrawn | Azithromycin in Control of Trachoma II NCT00286026 | University of California, San Francisco | Phase 4 |
| Completed | Efficacy and Safety of 2 Dosing Regimens of T1225 Eye Drops 1.5% Versus Oral Azithromycin in Treatment of Trac NCT00356720 | Laboratoires Thea | Phase 3 |
| Completed | Trachoma Elimination Follow-up NCT00221364 | University of California, San Francisco | Phase 4 |
| Completed | Study of Three Alternatives for Mass Treatment in Trachoma Villages of Tanzania NCT00347607 | Johns Hopkins University | Phase 4 |
| Completed | Effect of Intensive Fly Control on Trachoma and Ocular Chlamydia Infection in Tanzania NCT00347763 | Johns Hopkins University | Phase 4 |