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Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Narcotic Abuse, Opioid-related Disorders, Analgesia or Chronic Pain
and you are
between 18 and 55
years old
This is an early phase trial to determine
the dosage and safety of the new treatment.
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The purpose

This was a single-dose, randomized, double-blind, placebo-controlled, 3 way crossover study designed to evaluate the relative abuse potential of crushed EMBEDA® compared to morphine sulfate CR tablets and placebo in healthy male and female, non-dependent, recreational opioid users. An appropriate dose of morphine sulfate CR (i.e., 30 mg, 60 or 90 mg) was to be selected during Part A of the study (Dose Selection Phase). Each subject participated in the study for up to (approximately) 16 weeks and was confined in the clinic for a total of up to 12 nights.

Provided treatments

  • Drug: Placebo
  • Drug: EMBEDA - morphine sulfate/ naltrexone hydrochloride
  • Drug: morphine sulfate CR crushed.

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01595867. The sponsor of the trial is Pfizer and it is looking for 33 volunteers for the current phase.
Official trial title:
A Randomized, Double-Blind, Placebo-Controlled, 3 Way Crossover Study Evaluating The Relative Abuse Potential Of Crushed Embeda Compared To Morphine Sulfate Controlled Release Tablets (Crushed) And Placebo In Non-Dependent, Recreational Opioid Users Following Intranasal Administration