Clinical trials: Pupil Constriction
Horner's Syndrome
Clinical Efficacy of Supraclavicular Block for Arthroscopic Shoulder Surgery
The aim of this study is to compare the efficacy of supraclavicular and interscalene brachial plexus blocks in the patients undergoing arthroscopic shoulder surgery.
- Trial name
- NCT01958801
- Testing
- Supraclavicular block, Interscalene block
- Where
- South Korea
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Daegu Catholic University Medical Center
Cataract
Topical Bromfenac for Intraoperative Miosis and Pain Reduction
To evaluate the effect of bromfenac ophthalmic solution 0.09% for reduction of intraoperative miosis and pain in patient who have undergone femtosecond laser-assisted cataract surgery.
- Trial name
- NCT03831984
- Testing
- 0,09% Bromfenac, 0,1% sodium hyaluronate
- Where
- Mexico
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hospital de La Luz
Cataract, Miosis
Nepafenac Versus Ketorolac Eye Drops in Prevention of Intraoperative Miosis During Cataract Surgery
This study aim at determining the efficacy of Nepafenac and Ketorolac in obtaining adequate intraoperative mydriasis and preventing miosis during cataract surgery.
- Trial name
- NCT03851172
- Testing
- Ketorolac Ophthalmic, Nepafenac Ophthalmic, Cyclopentolate Ophthalmic
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Assiut University
Pupil Constriction, Iris Floppiness
Clinical Factors Associated Floppy Iris
This study is planned to investigate the incidence of intraoperative floppy iris and its relationship with pseudoexfoliation, diabetes, hypertension as well as systemic alpha-1 adrenergic blocker use.
- Conditions
- Pupil Constriction, Iris Floppiness, Iris Prolapsus From the Wound
- Trial name
- NCT00472888
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Baskent University
Drug Induced Constipation
Study in Healthy Volunteers to Investigate the Effects of Quinidine on the Pharmacokinetics of NKTR-118
Study in healthy volunteers to investigate the effects of Quinidine on the Pharmacokinetics of NKTR-118
- Trial name
- NCT01533155
- Testing
- Nektar 118, Quinidine, Morphine
- Where
- United States
- Volunteers
- 214 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Horner Syndrome
Exploration of Pupil Dilation in Horner's Patients Taking Flomax
This study is evaluating the pupil dilation of Horner's Patients who have ever taken an alpha blocker such as Tamsulosin. Patients will undergo eye dilation as would occur at a yearly eye examination, but their pupil dilation…
- Trial name
- NCT03615508
- Testing
- 10% phenylephrine
- Where
- 2 sites in United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Denver Health and Hospital Authority
Opioid Toxicity, Pupillary Miosis
Pupillary Unrest as an Indicator of Central Opioid Effect in Subjects 40-60 Years of Age
This study will establish the relationship between magnitude of opioid exposure and a pupillary measure referred to as PUAL (pupillary unrest in ambient light), in subjects aged 40-60.
- Conditions
- Opioid Toxicity, Pupillary Miosis, Respiratory Depression
- Trial name
- NCT05391555
- Testing
- Remifentanil Hydrochloride, Pupillometry measurement
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Surgery
Topical 0.4% Ketorolac and Vitreoretinal Surgery
To determine whether use of topical 0.4% ketorolac has any effect on pupil size during vitreoretinal surgery.
- Trial name
- NCT00576329
- Testing
- Ketorolac
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Emory University
Regional Anesthesia, Horner Syndrome
Cerebral Blood Flow Evaluation With Trancranial Doppler After Interscalene Nerve Block
The purpose of this study is to assess cerebral blood flow velocity (CBFV) following regional anesthesia for shoulder surgery. The results of this study will help to further understand the physiologic effect of the interscalene…
- Conditions
- Regional Anesthesia, Horner Syndrome, Cerebral Blood Flow
- Trial name
- CBF-TCD (NCT04642612)
- Testing
- TCD Measurement
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Stanford University
Small Pupil, Cataract
Efficacy of the Canabrava/s Pupil Expansion Device in Cataract Surgery With Small Pupils: The First 30 Cases
To evaluate the intraoperative stability, safety and overall efficacy of the Canabrava Ring (AJL - SPAIN) when used to expand pupils with less diameter than 5 mm and pupils with sphincter synechiae.
- Trial name
- NCT03206983
- Testing
- Cana's Ring
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Santa Casa de Misericórdia de Belo Horizonte