NCT02577770

The Effect of Caffeine on Acupuncture Analgesia With the Human Pain Model

A Single Center, Double Blind, Randomized, Parallel-group Study to Assess the Effect of 200mg Caffeine,400mg Caffeine and Decaffeinated on Acupuncture Analgesia With the Human Pain Model

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 200 (actual)
• Sponsor: Chengdu University of Traditional Chinese Medicine · Academic / Other
• Sex: All
• Age: 18 Years – 40 Years
• Healthy volunteers: Accepted

Summary

This is a single center, double blind, randomized, parallel-group study to assess the effect of 200mg caffeine,400mg caffeine and decaffeinated on acupuncture analgesia with the human pain model.

Detailed description

Aim: To evaluate the effect of caffeine on acupuncture analgesia with the human pain model. Design: Double blind, randomized controlled trial will be performed in Chengdu. The study including two pain models : Potassium pain model and Capsaicin pain model. Both models including the following several groups: 200mg caffeine group, 400mg caffeine group, and decaffeinated group. Participants will be randomly assign to the three groups. Each participants will receive coffee drinking and acupuncture intervention. Each subjects of the Potassium pain model will receive be measured the pain at baseline, 30 minutes after drinking coffee, 10, 20, 30 minutes during acupuncture and 30 minutes after acupuncture intervention completed. Blood samples will be collected at baseline, 30 minutes after drinking coffee, 30 minutes during acupuncture and 30 minutes after acupuncture intervention completed. Each subjects of the capsaicin pain model will be measured the spontaneous pain with VAS scale and the area of hyperalgesia with Von Frey hair at the time of 5 minutes after topical application of capsaicin , 30 minutes after drinking coffee, 10, 20, 30 minutes during acupuncture and 30 minutes after acupuncture intervention completed. Blood samples will be collected at the time of 5 minutes after topical application of capsaicin, 30 minutes after drinking coffee, 30 minutes during acupuncture and 30 minutes after acupuncture intervention completed.

Conditions

• Pain

Interventions

Type	Name	Description
DEVICE	acupuncture	therapeutic acupuncture treatment with actual needles
DIETARY_SUPPLEMENT	200mg caffeine	8g coffee, po
DIETARY_SUPPLEMENT	400mg caffeine	16g coffee, po
DIETARY_SUPPLEMENT	Decaffeinated	decaffeinated coffee, po

Timeline

• Start date: 2015-05-01
• Primary completion: 2019-12-01
• Completion: 2019-12-01
• First posted: 2015-10-16
• Last updated: 2020-02-17

Locations

1 site across 1 country: China