To Analyze the Economics of Office-based (OBS) Versus Ambulatory Surgery Center (ASC)-Based Cataract Surgery. (OBSvsASC)

April 21, 2026 updated by: Sloan W. Rush, MD, Rush Eye Associates

Economic Analysis for Office-Based Versus Ambulatory Surgery Center-Based Cataract Surgery

To analyze the economics of office-based (OBS) versus ambulatory surgery center (ASC)-based cataract surgery.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This study was conducted as a randomized, controlled clinical trial at a single private practice institution. Patients presenting for routine cataract surgery scheduling were randomized prospectively to undergo the procedure in either the OBS or ASC-based setting. The primary outcome was total average cost for performing OBS versus ASC-based cataract surgery. The secondary outcome was total average facility reimbursement for OBS versus ASC-based cataract surgery.

Study Type

Observational

Enrollment (Actual)

76

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Texas
      • Amarillo, Texas, United States, 79109
        • Rush Eye

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Visually significant cataract

Description

Inclusion Criteria:

  • Selected for routine cataract surgery

Exclusion Criteria:

  • Complex surgery
  • Certain systemic comorbidities
  • Limited mobility

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Office based cataract surgery
Procedure: Office based surgery
Study subjects underwent office-based cataract surgery.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cost
Time Frame: 1 day
Average cost for office based surgery
1 day
Average cost for office-based surgery
Time Frame: Single surgical event
US dollars
Single surgical event

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Rush Eye Associates

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 1, 2025

Primary Completion (Actual)

August 31, 2025

Study Completion (Actual)

August 31, 2025

Study Registration Dates

First Submitted

April 21, 2026

First Submitted That Met QC Criteria

April 21, 2026

First Posted (Actual)

April 28, 2026

Study Record Updates

Last Update Posted (Actual)

April 28, 2026

Last Update Submitted That Met QC Criteria

April 21, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • OBSvsASC (Registry Identifier: OBSvsASC)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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