NCT03970525 is a clinical trial of Venturi pump in Cataract Senile, sponsored by Wendell Scott.

Who is sponsoring NCT03970525?

NCT03970525 is sponsored by Wendell Scott.

What drugs are being tested in NCT03970525?

Interventions in NCT03970525: Venturi pump, Peristaltic vacuum pump.

What condition does NCT03970525 study?

NCT03970525 studies Cataract Senile.

Is NCT03970525 still recruiting?

NCT03970525 is currently completed. Last updated 3 April 2023.

Last reviewed 2023-04-03 · How we verify

NCT03970525

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Venturi and Peristaltic Based Phacoemulsification in Femtosecond Laser Cataract Surgery

Completed Last updated 3 April 2023

What this trial tests

trial testing Venturi pump in Cataract Senile in 111 participants. Completed in 29 March 2023.

Timeline

16 May 2019

Primary endpoint
16 March 2023

29 March 2023

Quick facts

Lead sponsor	Wendell Scott
Status	Completed
Study type	OBSERVATIONAL
Enrollment	111
Start date	16 May 2019
Primary completion	16 March 2023
Estimated completion	29 March 2023
Sites	1 location across United States

Drugs / interventions tested

Venturi pump
Peristaltic vacuum pump

Conditions studied

Cataract Senile — all drugs for Cataract Senile →

Sponsor

Wendell Scott

Who can join

Adults 22 to 90, any sex, with Cataract Senile. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

This study will compare two methods of vacuum (peristaltic or venturi) commonly used during the removal of a femtosecond treated cataract. The investigators will observe which method uses less energy, is gentler on the eye, reduces corneal swelling and if the vision recovers faster with one method compared to the other.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

Efficiency of venturi vs peristaltic-based phacoemulsification in femtosecond laser cataract surgery.
Scott RA, Holtmeyer CJ, Parker TM, Willis JK, et al · · 2025 · PMID 39853262 · DOI 10.1097/j.jcrs.0000000000001618

Verify or expand the search:

Other recruiting trials for Cataract Senile

Currently open trials in the same condition.

NCT04570579 — Impact of a Novel Extended Depth of Focus Intraocular Lens on Visual and Lifestyle Enhancement · active not recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT03970525 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Wendell Scott
Last refreshed: 3 April 2023

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03970525.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing