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The Neurobiology of Expectancy and Pain Perception

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified December 2014 by Jian Kong, Massachusetts General Hospital.
Recruitment status was:  Active, not recruiting
ClinicalTrials.gov Identifier:
First Posted: April 11, 2012
Last Update Posted: December 15, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Jian Kong, Massachusetts General Hospital
This study will use using fMRI (functional Magnetic Resonance Imaging) to elucidate how contextual learning/expectation relieves or aggravates pain experience in the same cohort of subjects and the same study session.

Condition Intervention
Pain Device: Heat pain applied using TSA or CHEPS

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Single (Participant)

Further study details as provided by Jian Kong, Massachusetts General Hospital:

Primary Outcome Measures:
  • fMRI signal changes [ Time Frame: One day ]
    fMRI signal changes during heat pain

Secondary Outcome Measures:
  • Subjective response to pain [ Time Frame: 1to 3 weeks ]

Estimated Enrollment: 40
Study Start Date: June 2012
Estimated Study Completion Date: June 2016
Estimated Primary Completion Date: June 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Arm 1
There is only one cohort in this study. All subjects receive the same intervention, the application of heat pain using TSA or CHEPS
Device: Heat pain applied using TSA or CHEPS
TSA-2001 Thermal Sensory Analyzer (Medoc LTD Advanced Medical Systems) or the Pathway Medoc (CHEPS model, Contact Heat-Evoked Potential Stimulator, Medoc LTD Advanced Medical Systems)


Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Ages Eligible for Study:   21 Years to 50 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • a) Healthy male and female adults aged 21-50
  • b) No contraindications to fMRI scanning
  • c) Right handed

Exclusion Criteria:

  • a) Current or past history of major medical, neurological, or psychiatric illness
  • b) Pregnancy or breast feeding, menopause, and irregular menstrual cycles (length of cycle must be within 26 to 32 days)
  • c) Claustrophobia
  • d) History of head trauma
  • e) History of impaired elimination
  • f) Instability of responses to experimental pain (see Study Procedures Section)
  • g) Use of psychotropic drugs, hormone treatments (including hormonal birth control) within 1 year
  • h) Non-fluent speaker of English
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01575106

United States, Massachusetts
Massachusetts General Hospital
Charlestown, Massachusetts, United States, 02129
Sponsors and Collaborators
Massachusetts General Hospital
  More Information

Responsible Party: Jian Kong, Assistant Professor, Massachusetts General Hospital
ClinicalTrials.gov Identifier: NCT01575106     History of Changes
Other Study ID Numbers: 2011P000663
First Submitted: February 24, 2012
First Posted: April 11, 2012
Last Update Posted: December 15, 2014
Last Verified: December 2014

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