CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 541 enrolled
Drug / intervention
Placebo Cream +1 morebehavioral
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03781570
NCT03781570N/ACompleted

Brain and Genetic Predictors of Individual Differences in Pain and Analgesia

Trustees of Dartmouth College·observational·Posted Dec 20, 2018·Updated Jun 4, 2025

In Brief

An observational study evaluating Placebo Cream and Control Cream for Pain, Acute. Completed, enrolled 541 participants across 1 site.

Detailed Summary

The purpose of the study is to gain a better understanding of pain processing in the brain. Our understanding of how pain is processed in the brain is limited. We are testing for individual differences in pain perception and emotion.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsPain, Acute
CountriesUnited States

Timeline

N/ACompletedFinished
20192020202120222023202420252026
First PostedDec 20, 2018
Enrollment StartNov 7, 2018
Primary CompletionOct 1, 2023
TodayJul 2, 2026
Enrollment to primary: 4.9 yearsPosted 7.5 years ago

Interventions

Placebo Creambehavioral

In the Placebo intervention, participants are given an inert cream with instructions that it is "Prodicaine, an effective pain-relieving drug". The cream is applied to two fingers on the left hand.

Control Creambehavioral

In the Control intervention, participants are given an inert cream with instructions that it is "a control cream with no effects" . The cream is applied to two fingers on the left hand.