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STUDY NO. 2642 GRP 3

STUDY NO. 2642 GRP 3

Demographic: Recreational Opioid Users
Gender: Female/Male
Age Range: 18-55 years old
Location: Toronto, Canada
Compensation: $1800

Study Duration

1 Screening Visit (2-3 hours)
2 Periods

Recreational Drug Use



1-833-879-2774 or 416-747-5246





Study Schedule

Screening Session Ongoing
Qualification Session N/A
Study Periods

Period 1

Check-In: Sunday, December 5, 2021 8am-10am
Check-Out: Tuesday, December 7, 2021 11:30am –1pm

Period 2

Check-In: Sunday, December 12, 2021  2pm-4pm
Check-Out: Tuesday, December 14, 2021 11:30am –1pm


Follow-Up Visit N/A


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Registration Form

1 Step 1
Taking part
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Every aspect of the clinical trial is explained during the Informed Consent process. Read more about Informed Consent and check out our FAQs for more information.

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If you’re interested in an upcoming trial or would like to be informed of future trials, you can contact our Recruiting Call Centre and register/prescreen with us. Upon completing your registration we will provide you with the details of the study and assess if you qualify for the study on a preliminary basis (pre-screening).


If you are deemed eligible during your pre-screening (preliminary) evaluation, we will schedule you for a screening appointment. During this visit, you will participate in an informed consent session as well as the following medical assessments/measurements (these may vary based on the study requirements): body mass index (BMI), electrocardiogram (ECG)*, blood pressure, heart rate, respiratory rate, body temperature, physical examination, medical history review, alcohol test, blood test(s), urine test(s).

*ECG: An ECG (electrocardiogram) records the electrical activity of your heart. It provides information about your heart rate and rhythm.


If you are deemed eligible based on the results of your medical screening visit, you will contacted by the Results Coordinator. We will usually call you within 5 business days of your medical screening appointment. This may vary.


If you are assigned to a study, you will need to be prepared for your visits. This requires you to be available for the study visits based on the dates and times listed in the study schedule, following the study restrictions and arriving at the site in a timely manner with your personal belongings.


You will receive the full study compensation upon completion of all the study visits. This compensation may be broken down into partial payments depending on the overall duration of the study. Penalties and deductions may be applied for lateness, missed visits or non-compliances (as outlined in the Informed Consent Form). The compensation is provided on a pro-rated basis (i.e. you will be compensated for all completed visits according to the payment schedule).

Packing List

Things You Can Bring

• Change of clothes (appropriate and comfortable for the study duration)

• Electronic gadgets (devices with image capturing capabilities, such as cell phones, laptops and tablets will have cameras covered with special tape for the duration of confinement)

• Personal grooming products

Things Not To Bring

• Comb/Brush

• Toothbrush

• Toothpaste (no whitening or tartar control toothpastes or toothpastes with medicinal ingredients)