CAFFEINE
Clinical trials for CAFFEINE explained in plain language.
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Caffeine under the tongue: a quick fix for Post-Surgery grogginess in seniors?
Symptom relief Recruiting nowThis study is testing whether giving a caffeine tablet under the tongue at the end of surgery can help elderly patients (65 and older) wake up faster and feel less agitated after general anesthesia. Half of the 50 participants will get caffeine, the other half a placebo. The goal…
Matched conditions: CAFFEINE
Phase: NA • Sponsor: Cairo University • Aim: Symptom relief
Last updated Jun 27, 2026 12:23 UTC
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Smarter caffeine dosing could beat standard gum for All-Nighters
Symptom relief Recruiting nowThis study compares a personalized caffeine dosing algorithm to standard caffeine gum for maintaining performance during 62 hours of total sleep deprivation. About 180 healthy adults aged 18-39 will complete at-home monitoring and a 4-day lab stay with no sleep. Researchers will …
Matched conditions: CAFFEINE
Phase: NA • Sponsor: University of Arizona • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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Eye test could reveal if You've had caffeine or alcohol
Knowledge-focused Recruiting nowThis study looks at how caffeine and alcohol change the way your pupils react to light and how your eyes move. Researchers will give 100 healthy adults aged 30-50 either caffeine, alcohol, or a placebo in separate sessions. They will use a handheld device to measure pupil respons…
Matched conditions: CAFFEINE
Phase: NA • Sponsor: National University of Singapore • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:02 UTC
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Caffeine study seeks healthy adults to rate their buzz
Knowledge-focused Recruiting nowThis study looks at how healthy adults who regularly drink sweetened, caffeinated beverages feel after trying different versions. Participants will rate their feelings and have their body's responses measured. The goal is to understand the effects of these drinks, not to treat an…
Matched conditions: CAFFEINE
Phase: NA • Sponsor: GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC. • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:05 UTC
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Caffeine showdown: does your morning coffee beat the competition?
Knowledge-focused Recruiting nowThis study looks at how different caffeinated drinks change how you feel and your body's responses. About 150 healthy adults who regularly drink caffeine will try their usual drink and a test drink. They'll rate their feelings and use a wearable device to track body signals.
Matched conditions: CAFFEINE
Phase: NA • Sponsor: GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC. • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC