Warm numbing drops may speed up cataract surgery relief
NCT ID NCT07085481
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether warming bupivacaine (a numbing drug) to body temperature before injecting it around the eye improves its effects for cataract surgery. 120 adults having cataract surgery received either room-temperature or warmed bupivacaine. Researchers measured how fast numbness started and how long it lasted. The goal is to see if a simple change—warming the medicine—can make the block work better and faster.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bupivacaine
- What this could lead to
- If warming bupivacaine works, it could make numbing for cataract surgery faster and longer-lasting, improving patient comfort during the procedure.
- What could go wrong
- This is a small, completed study with 120 participants. The effect may be small or not clinically meaningful, and results may not apply to other surgeries or anesthetics.
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
-
120 people
The number who actually took part.
- Started
-
Oct 2025
- Finished
-
Jan 2026
- 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
-
18 to 75 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * American Society of Anesthesiology (ASA) I, II or III patients. * Patients scheduled for elective unilateral cataract surgery. Exclusion Criteria: * Patient refusal to participate in the study. * Altered mental status or un-cooperative patients or psychiatric disorder. * History of anesthetic drug allergy. * Pre-existing progressive demyelinating neurologic pathology or neuromuscular disorders. * Any contraindications to block (as bleeding or coagulation diathesis).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Mansoura University
Al Mansurah, 35511, Egypt
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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