To study the effects of caffeine and a glucose-caffeine combination on psychomotor performance

To study the effects of caffeine and a glucose-caffeine combination on psychomotor performance among students and staffs of Government Medical College and Research Institute in Bangalore. - nil

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/04/084768

Enrollment

150

Registered

2025-04-15

Start date

Unknown

Completion date

Unknown

Last updated

2025-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention1: CAFFIENE WITH GLUCOSE: coffee brand is Bru Instant Coffee which contains 60mg of caffeine per 5g of coffee and the glucose used will be Table Sugar of the Brand Parry s White Label, whi

Eligibility

Inclusion criteria

Inclusion criteria: -Students and staffs whose hematological and biochemical parameters are within normal limits. -Students and staffs age group between 18-40years.

Exclusion criteria

Exclusion criteria: -Smoker -Students and staffs on oral contraceptives. -Students and staffs with history of caffeine allergy. -Students and staffs with severe anxiety, cardiovascular diseases or symptomatic cardiac arrhythmias. -Students and staffs with peptic ulcer disease or gastroesophageal reflex disease. -Students and staffs who are pregnant. -Students and staffs with chronic diseases.

Design outcomes

Primary

Measure	Time frame
Change in psychomotor performance after administration of: 1)Caffeine alone 2)Glucose-caffeine combination 3)Placebo (water) This will be assessed using: 1)DLST (Digit Letter Substitution Task) 2)SLCT (Six Letter Cancellation Test) 3)Card Sorting Test 4)Purdue Pegboard Test (PPT)Timepoint: Baseline (pre-administration) 30 minutes post-administration 45 minutes post-administration	—

Secondary

Measure	Time frame
Changes in VAS scores (alertness, calmness, drowsiness) and vital parameters (blood pressure, pulse rate) at 30 and 45 minutes post-intervention. Timepoint: Baseline (pre-administration) 30 minutes post-administration 45 minutes post-administration	—

Countries

India

Contacts

Public ContactDr Nalini GK

Shri Atal Bihari Vajpayee Medical College and Research Institute

nskargk97@gmail.com09343610550

Outcome results