Clinical trials: Anterior Segment Surgeries
Lens Diseases
Evaluating Presbyopia-Correcting IOLs in Complex Cataract Cases With Anterior Segment Abnormalities
The goal of cataract surgery has evolved from simply restoring sight to providing clear and comfortable full-range vision. Traditionally, monofocal IOLs remain the routine choice for special cases with anterior segment…
- Trial name
- NCT07321756
- Testing
- Unilateral Posterior Chamber Implantation of Presbyopia-Correcting IOL, Unilateral Posterior Chamber Implantation of Monofocal IOL
- Where
- China
- Volunteers
- 320 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Ameloblastoma
Virtual Lesion Segmentation and Mandibular Ameloblastoma Radiographic Safety Margin
Reconstruction of segmental mandibular defects is in a continuous state of evolution utilizing the recent advances in Computer-Aided Designing (CAD) and preoperative Virtual Surgical Planning (VSP).
- Trial name
- NCT07306962
- Testing
- Virtual lesion segmentation for mandibular ameloblastoma
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Alexandria University
Cataract, Healthy Eye
The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment parameters with the ANTERION
- Conditions
- Cataract, Healthy Eye, Cornea Abnormality, Post-Keratorefractive Surgery
- Trial name
- NCT04130490
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Vitrectomy, Cataract
Triamcinolone Assisted Anterior Vitrectomy
Injecting Triamcinolone acetenoide for visualizing and removing vitreous from the anterior chamber.
- Trial name
- NCT01051648
- Testing
- Intra ocular injection of triamcinolone acetonide
- Where
- 2 sites in Egypt
- Volunteers
- 10 people
- Sponsor
- Cairo University
Cataract
A Cataract Surgery Clinical Trial
The purpose of the study is to compare the efficiency and safety of UNITY™ Vitreoretinal Cataract System (UNITY VCS) to CENTURION® Vision System with Active Sentry (CAS) in adult subjects with grade 2 or greater nuclear sclerotic…
- Trial name
- NCT07044674
- Testing
- UNITY Vitreoretinal Cataract System, CENTURION Vision System with Active Sentry, Anterior segment ophthalmic surgery
- Where
- 5 sites in United States
- Sponsor
- Alcon Research
Diabetes, Cataract
Healing of Corneal Incision After Cataract Surgery in Diabetic Patients
The objective of this observational study was to understand the healing of corneal incision after cataract surgery in diabetic patients and its influencing factors.
- Trial name
- NCT07076420
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Zhongnan Hospital
Glaucoma, Glaucoma Following Surgery
Anterior-segment OCT (AS-OCT) and Intraoperative OCT (iOCT) for Trans- Conjunctival Needle Revision (TCNR)
Trabeculectomy is a very important and commonly performed glaucoma operation. It allows fluid from inside the eye to exit into a space called a bleb located on the surface of the eye under the upper eyelid.
- Trial name
- NCT05790408
- Testing
- Digital microscope integrated with intraoperative OCT (Zeiss Artevo 800, Carl Zeiss Meditec AG), Spectralis Anterior-segment OCT (AS-OCT) (Heidelberg Engineering)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Northwestern University
Fuchs' Endothelial Dystrophy, Pseudophakic Bullous Keratopathy
The Effect Of Preoperative Parameters On Success After DMEK Surgery
The aim of this study is to evaluate the effect of preoperative parameters on surgical results in Descemet Membrane Endothelial Keratoplasty (DMEK) surgery.
- Conditions
- Fuchs' Endothelial Dystrophy, Pseudophakic Bullous Keratopathy, Descemet's Membrane; Defect, Herpetic Keratitis
- Trial name
- NCT04420429
- Testing
- Descemet membrane endothelial keratoplasty (DMEK)
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people
- Sponsor
- Beyoglu Eye Research and Education Hospital
Age Related Cataracts, Pseudoexfoliation Syndrome
Outcome of Two Surgical Methods for IOLImplantation in Eyes With Pseudoexfoliation Syndrome
The aim of this study is to compare the surgical outcomes of the two IOL implantation methods for eyes with cataract and PEX in a single-center and with highly experienced surgeons.
- Trial name
- NCT06053554
- Testing
- Phakoemulsification, Ziemer Z8 Femtolaser, Kowa Avansee Preset
- Where
- Austria
- Volunteers
- 120 people
- Sponsor
- Medical University of Vienna
Cataract Extraction
Comparison of Acular LS With Lotemax to Prevent Inflammation After Cataract Surgery and Intraocular Lens Implantation
The purpose of this study is to compare the effectiveness of Acular LS® and Lotemax® in the prevention of inflammation in the eye after cataract surgery. Acular LS is made by Allergan, Inc.
- Trial name
- NCT00366691
- Testing
- Acular LS, Lotemax
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Medical University of South Carolina
Patients Undergoing DMEK With a History of Anterior or Posterior Segment Surgery
DMEK Endothelial Keratoplasty in Patients With a History of Anterior or Posterior Segment Surgery
DMEK (Descemet Membrane Endothelial Keratoplasty) is a surgical technique used to treat primary or secondary corneal endothelial decompensation.
- Trial name
- DMEK complexes (NCT06013462)
- Testing
- Descemet Membrane Endothelial Keratoplasty
- Where
- France
- Volunteers
- 80 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Keratoconus, Refractive Surgery
AI-Orchestrated Workflow Versus Consultant Ophthalmologist for Refractive Surgery and Keratoconus Diagnosis (AEYE Trial)
Background and Rationale: Laser vision correction procedures, such as LASIK (Laser-Assisted In Situ Keratomileusis), PRK (Photorefractive Keratectomy), and SMILE (Small Incision Lenticule Extraction), are highly effective but…
- Conditions
- Keratoconus, Refractive Surgery, Machine Learning, Artifical Intelligence
- Trial name
- AEYE (NCT07096232)
- Testing
- Multi-Agent AI Diagnostic Workflow (AEYE)
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Hazem Yassin Clinics
Radiculopathy, Cervical, Myelopathy Cervical
Cervical Arthroplasty Cost Effectiveness Study (CACES)
To date, no consensus exists on which anterior surgical technique is more cost-effective to treat cervical degenerative disc disease (CDDD).
- Conditions
- Radiculopathy, Cervical, Myelopathy Cervical, Myelopathy, Compressive, Radiculopathy, Cervical Region
- Trial name
- CACES (NCT04623593)
- Testing
- ACDF, ACDA
- Where
- Netherlands
- Volunteers
- 198 people
- Sponsor
- Valérie Schuermans
Ocular Surface Disease
Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device
Conjunctival goblet cells secrete mucin, vital for tear film stability. Dysfunction can cause tear film issues and lead to diseases like dry eye. Imaging these cells is crucial for diagnosis and treatment.
- Trial name
- NCT06427629
- Testing
- Imaging of conjunctival goblet cell
- Where
- South Korea
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Anterior Cruciate Ligament (ACL) Tear
Augmented Reality in Surgery
The goal of this observational study is to learn whether an artificial-intelligence software can reliably recognise the anatomical landmarks used to guide femoral bone tunnel placement on the arthroscopic monitor image during…
- Trial name
- ARS (NCT07636278)
- Testing
- Primary arthroscopic anterior cruciate ligament reconstruction
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Congenital Cataract, Microphthalmos
Biometric Characteristics of the Eye With Microcornea/Microphthalmia and Congenital Cataract Before And After Cataract Extraction
Early cataract surgery in microcornea/microphthalmia eyes is essential to prevent amblyopia and improve visual outcomes, including stereopsis.
- Conditions
- Congenital Cataract, Microphthalmos, Microcornea
- Trial name
- NCT04759560
- Where
- Egypt
- Volunteers
- 133 people
- Sponsor
- Alexandria University
Refractive Errors, Myopia
Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault
This prospective non-comparative interventional study aims to analyse the pre-operative factors affecting the range of optimal ICL vaulting.
- Conditions
- Refractive Errors, Myopia, Myopic Astigmatism
- Trial name
- NCT05670626
- Testing
- Refractive Surgery
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Myocardial Ischemia, Acute Coronary Syndrome
EARLY ACS: Early Glycoprotein IIb/IIIa Inhibition in Patients With Non-ST-segment Elevation Acute Coronary Syndrome (Study P03684AM2)(COMPLETED)
The purpose of this study is to see if early INTEGRILIN® (eptifibatide) therapy in patients with non-ST-segment elevation acute coronary syndrome (ACS) reduces the occurence of death, heart attack and urgent cardiac intervention…
- Trial name
- NCT00089895
- Testing
- Eptifibatide (Integrilin)
- Volunteers
- 9,406 people
- Sponsor
- Organon and Co
Fentanyl, Ketorolac
Fentanyl Versus Ketorolac as an Adjuvant to Peribulbar Block for Anterior Segment Surgeries
This study aims to compare the efficacy of ketorolac and fentanyl as adjuvants to local anesthetics for anterior segment surgeries of the eye.
- Conditions
- Fentanyl, Ketorolac, Adjuvant, Peribulbar Block
- Trial name
- NCT07141589
- Testing
- Lidocaine + Bupivacaine + Hyaluronidase, Fentanyl + Lidocaine + Bupivacaine + Hyaluronidase, Ketorolac + Lidocaine + Bupivacaine + Hyaluronidase
- Where
- Egypt
- Volunteers
- 168 people
- Sponsor
- Cairo University
Spinal Fusion
Risk Factors of Second Surgery for Adjacent Segment Disease Following Anterior Cervical Discectomy and Fusion
Although the incidence of second surgery for adjacent segment disease (ASD) after anterior cervical discectomy and fusion (ACDF) has been reported, its risk factors remain elusive.
- Trial name
- 2nd ACDF (NCT03826329)
- Testing
- observational study
- Where
- Taiwan
- Volunteers
- 5,565 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan