Clinical trials: Pinhole
Gingival Recession
Pinhole Versus Tunnel for Soft Tissue Recession
This is an assessor-blinded split-mouth randomized clinical study to compare root coverage and gingival tissue thickness following two different surgical procedures for non-autologous grafting: the pinhole surgical technique…
- Trial name
- NCT04513041
- Testing
- Pinhole surgical technique and tunnel technique in a split mouth design
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Mohanad Al-Sabbagh
Pinhole
Functional and Physiological Changes Induced by Pinhole Glasses in Presbyopia
This study is aimed at presbyopic patients that do not require magnifying glass at close rage. The purpose of this study is to investigate the functional and physiological changes in eye induced by pinhole glass.
- Trial name
- NCT02722291
- Testing
- Trayner Pinhole Glasses (Trayner Glasses, Ivybridge Devon, U.K.)
- Where
- South Korea
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Chung-Ang University Hospital
Presbyopia
Clinical Efficacy of the Pinhole Soft Contact Lenses for Correcting Presbyopia
For correct of presbyopia, in this study, the investigators have recruited subjects who aged 45~65 years with presbyopia and do not have any other ocular disease(ex, ocular surface disease, corneal dystrophy, retinal disorders…
- Trial name
- NCT02612584
- Testing
- Pinhole Soft Contact Lens apply for presbyopia
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Yonsei University
Periodontal Intrabony Defects, Stage III Grade B Periodontitis
Sub-junctional Pinhole Technique
Pinhole Regenerative Therapy (PRT) following minimally invasive non-surgical periodontal therapy (MINST) in the treatment of intrabony defects associated with Stage III Grade B periodontitis.
- Trial name
- PRT (NCT07763223)
- Testing
- Sub-junctional Pinhole Technique (S-PHT)
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Vision, Ocular
Determine Functions of Pinhole Glasses on the Eyes
Pinhole glasses which is using pinhole effect may induce a functional change on the eyes, including Distance and near visual acuity(DVA, NVA), Pupil size, DOF, Accomodative amplitude, CS, Visual field(VF), Stereopsis.
- Trial name
- PH001 (NCT02111356)
- Testing
- Phinhole glasses
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Chung-Ang University Hospital
Functional Vision Changes
Comparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole Glasses
Purpose of this study is to compare the ocular functional changes including pupil size, visual acuity, depth of focus, accommodative amplitude, visual field, contrast sensitivity, and stereopsis induced by multiple and single…
- Trial name
- NCT02572544
- Testing
- Trayner Pinhole Glasses (Trayner Glasses, Ivybridge Devon, U.K.)
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Chung-Ang University Hospital
Gingival Recession
Pinhole Surgical Technique With And Without Use Of Buttons For Treatment Of Multiple Gingival Recessions: RCT
Pinhole surgical technique is a novel minimally invasive, predictable, efficient, time and cost-effective technique for treatment of multiple gingival recession.
- Trial name
- NCT02632968
- Testing
- Pinhole surgery with and without buttons
- Where
- India
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Krishnadevaraya College of Dental Sciences & Hospital
Vertigo, Peripheral
The Effect of Pinhole Glasses on Vestibular Electrical Stimulation
Balance is the ability to control and maintain the body's center of gravity within the support area. One of the important causes of imbalance is right or left sided unilateral vestibular hypofunction.
- Trial name
- NCT05516017
- Testing
- Vestibular Electrical Stimulator and Pinhole Glasses, Vestibular Electrical Stimulator
- Volunteers
- 100 people
- Sponsor
- Istanbul University
Primary Hyperparathyroidism
Preliminary Study Concerning the Validity of Parathyroid Exploration on a CZT Camera
The goal of this study is to assess the performance of parathyroid imaging on a cardiac-dedicated CZT camera, compared to planar pinhole imaging, in patients referred for primary hyperparathyroidism.
- Trial name
- PARAT-CZT (NCT02854345)
- Testing
- Tomoscintigraphic parathyroid imaging on a CZT camera
- Where
- France
- Volunteers
- 45 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Keratoconus, Presbyopia
Proof-of-Concept for a Novel Optical Aperture Contact Lens in Presbyopia and Keratoconus
The purpose of this clinical study is to evaluate the effectiveness of the NOA lens, a custom-made scleral contact lens developed by Azalea Vision BV, in improving visual quality for individuals with keratoconus and presbyopia.
- Conditions
- Keratoconus, Presbyopia, Scleral Contact Lenses, Pinhole
- Trial name
- NOA (NCT07559188)
- Testing
- NOA lens type 1, NOA lens type 2
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 16 people
- Sponsor
- Azalea Vision
Cancer
Augmented Whole-body Scanning Via Magnifying PET/CT (AWSM-PET/CT) Techniques Abilities to Improve Upon the Diagnostic Accuracy of the Standard-of-care (SOC) PET/CT for Malignant Lesion Detection
Fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) has been demonstrated to outperform other imaging modalities such as CT and magnetic resonance imaging (MRI) for the detection of metastatic…
- Trial name
- NCT05513027
- Testing
- Augmented Whole-body Scanning via Magnifying PET, PET/CT
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Washington University School of Medicine
Recession, Gingival
Pinhole Surgical Technique for Root Coverage Using PRF
The current study is a prospective randomised split mouth study to evaluate the effect of Platelet Rich Fibrin as an adjunct to the minimally invasive pinhole surgical technique.
- Trial name
- NCT04202198
- Testing
- A-PRF, pinhole surgical technique only
- Where
- India
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Krishnadevaraya College of Dental Sciences & Hospital
Periodontal Diseases
Pinhole Surgical Technique Compared to Connective Tissue Graft in Treatment of Gingival Recession
This study compares the efficacy of root coverage achieved by the Pinhole Surgical Technique (PST) technique and the Connective Tissue Graft (CTG) technique in the treatment of Miller class I and II gingival recession defects.
- Trial name
- NCT04356391
- Testing
- Connective Tissue Graft Technique, Pinhole Surgical Technique
- Where
- United States
- Volunteers
- 43 people
- Sponsor
- State University of New York at Buffalo
Coronary Artery Disease, Coronary Computed Tomography Angiography
Myocardial Perfusion Quantification With SPECT Using Multi-Pinhole Collimator Compared to Photon-Counting Coronary CTA
This prospective study aims to compare functional abnormalities detected using myocardial perfusion SPECT imaging (MPI SPECT) with the extent and severity of anatomical findings on coronary computed tomography angiography…
- Conditions
- Coronary Artery Disease, Coronary Computed Tomography Angiography, SPECT, Heart Diseases
- Trial name
- MY-FUSION (NCT06670768)
- Testing
- Stress Dynamic MPI SPECT, Stress Static MPI SPECT, Rest Dynamic MPI SPECT
- Where
- Hungary
- Volunteers
- 50 people
- Sponsor
- Semmelweis University
Gingival Recession, Localized
Bi-layer Collagen Membrane Versus Subepithelial Connective Tissue Graft in the Treatment of Localized Gingival Recession
The goal of this clinical trial is evaluation of the change in depth and width of gingival recession in terms of gingival thickness and esthetics, and evaluation of patient satisfaction in terms of postoperative pain and final…
- Trial name
- NCT07162207
- Testing
- Pinhole surgical technique
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Accommodation
Objective Verification of Physiologic Changes During Accommodation Under Binocular, Monocular, and Pinhole Conditions
The investigators believe that this simple, clear, and objective study may be a great help in understanding the accommodative response during various accommodative stimulation conditions.
- Trial name
- NCT03557346
- Testing
- the WAM-5500 binocular autorefractor/keratometer (Grand Seiko Co. Ltd., Hiroshima, Japan)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Chung-Ang University Hospital