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Cataract surgery sedation study aims to ease patient anxiety

NCT ID NCT07347886

Symptom relief Sponsor: Istanbul University - Cerrahpasa Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether giving sedation (medication to help you relax) during cataract surgery improves patient comfort and satisfaction. About 120 adults having cataract surgery under numbing eye drops will be randomly placed into one of three groups: no sedation, mild sedation, or stronger sedation. Researchers will measure how relaxed patients are, their vital signs, and how satisfied both patients and surgeons are with the experience.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

50 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥ 50 years * American Society of Anesthesiologists (ASA) physical status I-III * Patients scheduled for elective unilateral cataract surgery * Surgery planned to be performed under topical anesthesia * Ability to understand the study procedures and provide written informed consent after being fully informed about the study Exclusion Criteria: * Refusal to participate in the study or withdrawal of consent at any stage of the study * Known intolerance or contraindication to sedative and/or opioid medications * Presence of significant cardiac arrhythmias * Severe chronic obstructive pulmonary disease (COPD) * Hepatic or renal failure * Inability to cooperate due to cognitive impairment or hearing disability * Opioid dependence * Diagnosis of obstructive sleep apnea syndrome (OSAS) * New York Heart Association (NYHA) class III-IV heart failure * Conversion to general anesthesia for any reason during surgery

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Conditions

The condition(s) this trial relates to.

cataract Patient Satisfaction

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Cataract

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Istanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine

    Istanbul, Turkey (Türkiye)

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