Clinical trials: Epiphora, open to volunteers
Epiphora, Dacryostenosis
Does Topical Ophthalmic Proparacaine 0.5% Prior to Probing and Irrigation Decrease Pain?
Purpose: It is unknown whether instillation of a drop of anesthetic ophthalmic solution into the eye such as proparacaine hydrochloride 0.5% prior to probing and irrigation of the tear duct (lacrimal drainage) system improves…
- Conditions
- Epiphora, Dacryostenosis, Dacryocystitis
- Trial name
- NCT05663684
- Testing
- Proparacaine Hydrochloride ophthalmic solution, USP 0.5%, Balanced salt solution
- Where
- United States
- Volunteers
- 145 people
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
Migraine, Cluster Headache
Pain Biomarker Study
This study investigates molecular and physical biomarkers of headaches in order to better understand mechanisms of these diseases. There are 3 main parts: 1.
- Conditions
- Migraine, Cluster Headache, Trigeminal Autonomic Cephalgia, Hemicrania Continua
- Trial name
- PBS (NCT03511846)
- Testing
- Oral capsaicin, Topical capsaicin, Intranasal capsaicin
- Where
- United States
- Volunteers
- 371 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Nasolacrimal Duct Obstruction, Epiphora
Outcomes of Stentless Dacryocystorhinostomy in Primary Acquired Nasolacrimal Duct Obstruction.
This prospective, single-arm interventional clinical study aims to evaluate the short- and intermediate-term anatomical, functional, and quality-of-life outcomes of primary stentless endoscopic dacryocystorhinostomy (En-DCR) in…
- Trial name
- NCT07848932
- Testing
- Stentless Endoscopic Dacryocystorhinostomy
- Volunteers
- 40 people
- Sponsor
- Assiut University
Epiphora
Low-Dose Atropine Eye Drops for Excessive Tearing (Epiphora)
This study tests whether a very low concentration of atropine eye drops (0.005%) reduces excessive tearing (epiphora) in adults.
- Trial name
- NCT07816224
- Testing
- Atropine sulfate ophthalmic solution 0.005%, Vehicle arm
- Where
- 2 sites in United States
- Volunteers
- 16 people
- Sponsor
- Rehan Ahmed