Clinical trials: Surgical Errors
Classic Congenital Adrenal Hyperplasia, 21-Hydroxylase Deficiency
Pediatric Congenital Adrenal Hyperplasia Management: Regret and Long-term Outcomes
Congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency is a chronic endocrine disorder, often diagnosed in the neonatal period. Severe forms may lead to genital virilization in afected girls and adrenal crises.
- Trial name
- CAH - REC (NCT07781267)
- Testing
- questionnaire
- Where
- France
- Volunteers
- 40 people
- Sponsor
- University Hospital, Lille
Freeman-Sheldon Syndrome, Arthrogryposis Distal Type 2A
Survey Study and Records Review of Treatment Outcomes in Freeman-Sheldon Syndrome
Freeman-Sheldon syndrome (FSS) is a rare muscle disorder present before birth, involving primarily problems of the face and skull and the hands and feet.
- Conditions
- Freeman-Sheldon Syndrome, Arthrogryposis Distal Type 2A, Whistling Face Syndrome, Craniocarpotarsal Dysplasia
- Trial name
- STOP-FSS (NCT01144741)
- Testing
- PTSD Checklist-Civilian (PCL-C), Modified Flanagan Quality of Life Scale, Center for Epidemiologic Studies Depression Scale (CES-D)
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Freeman-Sheldon Research Group, Inc.
Nearsightedness, Farsightedness
An Evaluation of LASIK, SMILE and PRK Surgery in Physicians
The principle investigator is evaluating self-reported quality of vision and quality of life in physicians undergoing LASIK, SMILE and PRK surgery.
- Conditions
- Nearsightedness, Farsightedness, Astigmatism
- Trial name
- NCT02576483
- Testing
- Questionnaire (QoV questionnaire)
- Where
- United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Stanford University
Presbyopia, Pseudophakia
Identification of Minimum Focal Points in Vision Curve Formation
The primary objective of this study is to identify how many focal points and at which distances are necessary for reliable visual curve formation and area of the curve (AoC) calculation using mathematical models and comparing the…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06260852
- Testing
- Diagnostic Test: Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Refractive Errors
Treatment of Residual Hypermetropic Refraction on Young Patients After LASIK Using Human Fresh Corneal Lenticule Implantation With ReLEX Smile Surgery
LASIK (laser-assisted in situ keratomileusis) is a type of refractive surgery for correction of myopia, hyperopia and astigmatism.
- Trial name
- Relex-Smile (NCT04793893)
- Testing
- ReLex Smile
- Where
- Kosovo
- Volunteers
- 42 people
- Sponsor
- Eye Hospital Pristina Kosovo
Cataract, Cataract Senile
Impact of a Novel Extended Depth of Focus Intraocular Lens on Visual and Lifestyle Enhancement
The introduction of presbyopia-correcting intraocular lenses (PC-IOLs) has provided cataract and refractive surgeons the ability to provide patients with a wider range of visual success and spectacle independence post-cataract…
- Conditions
- Cataract, Cataract Senile, Presbyopia
- Trial name
- NCT04570579
- Testing
- Vivity Extended Depth of Focus Intraocular Lens
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Alanna Nattis, DO
Cataract, Astigmatism
Evaluation of the Accuracy & Safety of the LaserArcs Nomogram
Evaluation of the Accuracy and Safety of the LaserArcs Femtosecond Cataract Surgery Arcuate Incision Nomogram in Patients Undergoing Cataract Surgery and Astigmatism Reduction
- Trial name
- NCT05278442
- Testing
- LaserArc
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Research Insight LLC
Myopia, Astigmatism
Evaluation of Outcomes Following LASIK Surgery Using CustomVue
The aim of the study was to evaluate visual outcomes, contrast sensitivity, glare and induced high order aberrations induced by the new CustomVue software use for wavefront-guided LASIK.
- Conditions
- Myopia, Astigmatism, Myopic Astigmatism
- Trial name
- NCT00366769
- Testing
- Wavefront-guided LASIK using CustomVue platform
- Volunteers
- 30 people
- Sponsor
- Medical University of South Carolina
Myopia, Hypermetropia
Anesthetic Impregnated Bandage Soft Contact Lens (BSCL) in Pain Management After Photorefractive Keratectomy (PRK)
Compared to laser-assisted in situ keratomileusis (LASIK), Photorefractive Keratectomy (PRK) is associated with more discomfort and requires more downtime.
- Conditions
- Myopia, Hypermetropia, Refractive Errors, Astigmatism
- Trial name
- NCT04283331
- Testing
- Proparacaine Ophthalmic
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beeran Meghpara, MD
Prostate Cancer, Rectal Cancer
Video Analysis of Errors and Technical Performance Within Minimally Invasive Surgery Short Title: Video Analysis in Minimally Invasive Surgery (VAMIS)
Despite the high volumes, advanced minimally invasive surgery is non-standardised and variations often occur in surgical technique, performance, delivery, team communication, and surgical approach.
- Trial name
- VAMIS (NCT05279287)
- Testing
- Video and kinematic data recording of minimally invasive surgical procedure
- Where
- 5 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The Griffin Institute
Mesenteric Ischemia
Microcirculation During Extracorporeal Circulation
Digestive tract is supposed to be the motor of multiple organ failure. In ICU patients, mesenteric ischemia appears even when macrocirculatory parameters are controlled especially in our experience in patients coming in ICU after…
- Trial name
- CITRON4 (NCT01389947)
- Where
- France
- Volunteers
- 66 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Refractive Errors, Astigmatism
Association Between ORA and Residual Refractive Astigmatism After SMILE
The aim of our study is to analysis and compare the relationship between ORA and postoperative astigmatism in low astigmatism (less than 1D) and moderate to high (1D to 3D) astigmatism patients after SMILE (Small Incision…
- Trial name
- NCT05604872
- Testing
- Small Incision Lenticule Extraction
- Where
- Taiwan
- Volunteers
- 530 people
- Sponsor
- Taipei Nobel Eye Clinic
Refractive Errors, Cataract
Refractive Outcomes After Cataract Surgery in Eyes With Pseudoexfoliation Syndrome
To evaluate the refractive outcomes of cataract surgery in PEX syndrome and determine which of the commonly used IOL formulas (SRK/T, Barrett Universal II and Hill-RBF) is the best in predicting postoperative refractive outcomes…
- Trial name
- NCT04783909
- Testing
- Phacoemulsification cataract surgery
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Lublin
Myopia
Topography-guided LASIK Surgery
The investigators are analyzing outcomes of topography-guided LASIK surgery in participants with myopia and myopic astigmatism
- Trial name
- NCT03292419
- Testing
- Topography-guided LASIK
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Stanford University
Corneal Astigmatism
Tomographic Analysis of Anterior, Posterior, Total Corneal Refractive Power Changes After Laser-assisted Keratotomy
To analyze the effect of femtolaser-assisted keratotomy on corneal astigmatism (anterior, posterior and Total corneal refractive power) measured by Scheimpflug tomography after laser lens surgery.
- Trial name
- NCT03097302
- Testing
- Laser keratotomy
- Volunteers
- 23 people
- Sponsor
- University Clinic Frankfurt
Myopia, Refractive Ametropia
Comparison of Low- Versus High-Level Angle Kappa Compensation Strategies in SMILE Using the VisuMax 800: A Randomized Clinical Trial
The goal of this clinical trial is to compare two intraoperative kappa-angle compensation strategies during small incision lenticule extraction (SMILE) using the VisuMax 800 platform in patients with relatively large kappa-angle…
- Trial name
- NCT07512102
- Testing
- Apply high compensation to the Kappa angle., Apply low compensation to the Kappa angle.
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Binocular Vision Disorder, Refractive Errors
Binocular Vision Anomalies After Cataract and Refractive Surgery
There are indications in the literature that binocular vision disorders may occur after cataract and corneal refractive surgery.
- Conditions
- Binocular Vision Disorder, Refractive Errors, Cataract
- Trial name
- NCT03592615
- Testing
- cataract surgery, Corneal refractive surgery
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- Salus University
Adrenomyeloneuropathy Without Cerebral Involvement
Epidural Spinal Cord Stimulation for Lower-limb Impairment in Adrenomyeloneuropathy
Adrenal spinal neuropathy (AMN) is a rare X-linked genetic disease caused by mutations in the ABCD1 gene, and belongs to a special type of adrenal leukodystrophy.
- Trial name
- EPIC-AMN (NCT06796920)
- Testing
- Spinal cord stimulation
- Where
- 4 sites in China
- Volunteers
- 10 people
- Sponsor
- Third Military Medical University
Gastrointestinal Stromal Tumor of Rectum
Preoperative Imatinib Mesylate Combined With Rectal-sparing Surgery in Patients With c-KIT Gene-mutant Rectal GIST
Prior to the implementation of preoperative imatinib mesylate therapy, a considerable percentage (ranging from 34.5% to 67.5%) of individuals diagnosed with rectal gastrointestinal stromal tumors (GIST) underwent abdominoperineal…
- Trial name
- PIRKER (NCT05970900)
- Testing
- Imatinib Mesylate, Local resection
- Where
- China
- Volunteers
- 23 people
- Sponsor
- Fujian Medical University Union Hospital
Myopia, Astigmatism
Wavefront-guided LASIK Surgery Compared to Ray Tracing-Guided LASIK Surgery
We are enrolling participants aged 22 and older to have LASIK surgery in both eyes. We will perform wavefront-guided LASIK in one eye and ray tracing-guided LASIK in the fellow eye of each participant.
- Trial name
- NCT07078799
- Testing
- LASIK
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Stanford University