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Enhancing Circadian Signal to Improve Cardiometabolic Function in Aging — compensation up to $2,500

The goal of this study is to determine the impact of when you eat and melatonin…


The purpose of this research is to determine whether if when you eat and/or if taking melatonin (a hormone naturally produced by the body) can improve health and sleep. There is growing body of evidence that disrupted sleep and circadian rhythms have negative effects on health. The goal of this study is to determine the impact of when you eat and melatonin levels on improving sleep and health in older adults who are at risk of disorders such as diabetes, heart diseases or stroke.

The study includes a total of 10 visits: Including 7 office visits (1-2 hours each) and 3 hospital inpatient visits.

We are seeking men and women between the ages of 55 and 75 to participate in a research study examining the effects of meal timing and melatonin on health.

Participants will be compensated up to $2,500 for their time and effort.

Compensation

If you agree to take part in this research study, we will pay you up to $2,500 for your time and effort. Compensation will be prorated based on your participation in the event of early withdrawal or exclusion. You will be compensated $40 for completing the screening visit and an additional $40 for completing the at-home screening procedures and returning all the equipment. For completing the pre-hospital visit 2 and procedures, you will be compensated $25. For completing the first overnight hospital visit 3, you will be paid $500, for completing the 1-week acute based field intervention procedures, you will be paid $120, For completing the acute based overnight hospital visit 4, you will be paid $500, For completing the 5-week extended based field intervention procedures, you will be paid $600 (or $120/week). For completing the final pre-hospital visit 8 and procedures, you will be compensated $25 and for completing the third overnight hospital visit 9, you will be paid $500. Finally, for completing the follow up visit, you will be paid $150. Payment will be made by check and mailed to you. The processing time is about 4-6 weeks after completing the study. The Accounting Services at Northwestern University will be given your name, address, and Social Security Number in order to issue a check for your study participation. Study payments are considered taxable income and reportable to the IRS. A Form 1099 will be sent to you if your total payments are $600 or more in a calendar year.

Register Now!

To register for this study, you will need take a brief eligibility questionnaire and to provide your contact information. If you are registering on behalf of someone else, you will still be listed as the primary contact.

Reason for Interest

Briefly describe the reason the participant is interested in this study and why the participant should be considered eligible for participation.

Eligibility Questionnaire

Your answers to the questions below will be provided to the researcher to help determine eligibility for this study.

1. • 1) Are you between the ages of 55 - 75 (REQUIRED)

 
 

2. 2) Are you currently diagnosed or have history of diabetes? (REQUIRED)

 
 

3. List any current medical conditions ( REQUIRED in order to be considered for study- please enter your response in the "reason why would like to join the study" section)

 
 

4. 3) Does your schedule allow flexibility to attend the In-patient visits at the hospital? This includes three in-patient visits each one being three consecutive days long at Northwestern Memorial Hospital in Chicago (REQUIRED)

 
 

5. 4) What is your height in inches? __________ and your weight in pounds_____________? ( REQUIRED in order to be considered for study- please enter your response in the "reason why would like to join the study" section.

 
 

6. List the name and dosage [if known] of ALL current prescription and over the counter medication ( REQUIRED in order to be considered for study - please enter your response in the "reason why would like to join the study" section)

 
 

Contact Information

Demographic Information

Your gender and birthday are used to help determine eligibility for this study. The researcher will be provided with your gender and age (in years).

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