Clinical trials: Opioid Users
Drug Abuse
A Study to Assess the Abuse Potential of Hydrocodone Extended-Release Tablet in Recreational Opioid Users
The purpose of this study is to assess the relative abuse potential of the hydrocodone bitartrate extended-release tablet compared to immediate-release hydrocodone bitartrate.
- Trial name
- NCT01596673
- Testing
- 45-mg hydrocodone bitartrate extended-release tablet (crushed or intact)
- Where
- 2 sites in United States, Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cephalon
Healthy
Abuse Potential of Gabapentin Taken Orally Concomitantly With Oxycodone Hydrochloride in Healthy, Non-Drug-Dependent, Recreational Opioid Users
The purpose of the present study is to assess prospectively the abuse potential of gabapentin when taken with and without oxycodone compared to placebo in healthy non-drug-dependent recreational opioid drug users under fasted…
- Trial name
- NCT07813026
- Testing
- Oxycodone 20mg, gabapentin 600 mg, Gabapentin 1200mg
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Viatris Inc.
Moderate to Severe Chronic Pain
A Study Using fMRI Imaging to Evaluate the Effect of NKTR-181 on Brain Activity in Healthy, Non-physically Dependent Recreational Opioid Users.
The main purpose of this study is to evaluate the effect of NKTR-181 on brain activity in healthy, non-physically dependent recreational opioid users. This study will last about 88 days for each participant.
- Trial name
- NCT03802227
- Testing
- NKTR-181, Oxycodone IR
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Nektar Therapeutics
Nalbuphine, Opioid Abuse
Oral Abuse Potential Study of Nalbuphine
The purpose of this study is to measure the effects of a drug called nalbuphine (an opioid drug) compared with the effects of hydromorphone (an opioid drug) and placebo (contains no active drug ingredients).
- Trial name
- NCT04018664
- Testing
- Nalbuphine HCl solution
- Where
- Canada
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Trevi Therapeutics
Respiratory Depression
Single Dose Crossover Study to Compare the Respiratory Drive After Administration of Belbuca, Oxycodone and Placebo.
The purpose of this study is to explore and compare VRH after administration of Belbuca, Oxycodone HCl and Placebo in recreational opioid users.
- Trial name
- NCT03996694
- Testing
- Belbuca 300 µg, Belbuca 600 µg, Belbuca 900 µg
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- BioDelivery Sciences International
Healthy
To Evaluate the Relative Abuse Potential of Hydrocodone Bitartrate and Acetaminophen
Evaluation of abuse potential in recreational abusers of Hydrocodone Bitartrate and Acetaminophen versus NORCO®.
- Trial name
- NCT03567941
- Testing
- Hydrocodon bitartrate-acetaminophen arm 1, Hydrocodon bitartrate-acetaminophen arm 2, Reference
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Sun Pharma Advanced Research Company Limited
Abuse, Drug
A Study to Assess the Abuse Potential of Intranasal Cebranopadol
The purpose of this study to Assess the Abuse Potential of Intranasal Cebranopadol Compared to Oxycodone and Placebo in Healthy, Nondependent Recreational Opioid Users.
- Trial name
- NCT06453265
- Testing
- Cebranopadol- 600 ug, Cebranopadol- 800ug, Cebranopadol- 1000ug
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Tris Pharma, Inc.
Opioid Overdose
Incidence and Predictors of Opioid Overdose and Death Among Long-Term Users of Opioid Analgesics
Retrospective study to assess incidence and predictors of opioid abuse overdose and death associated with opioid overdose among patients prescribed opioid products in long-term use.
- Trial name
- NCT02662153
- Testing
- Observation only
- Where
- 4 sites in United States
- Volunteers
- 808,455 people
- Sponsor
- Member Companies of the Opioid PMR Consortium
Substance Abuse
A Comparison of How Likely it is That Different Tablets of Oxycodone Will be Broken up and Snorted by Adults Who Sometimes Take Drugs for Pleasure
The trial comprises an Enrollment Visit, a Qualification Phase, a Treatment Phase (including 3 treatment periods), a Final Examination, and a Follow-up Phone Call.
- Trial name
- NCT03765346
- Testing
- Oxycodone IR ADF, Oxycodone API powder
- Where
- Canada
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Grünenthal GmbH
Safety, Pharmacokinetics
Single Ascending Doses of Kratom in Healthy Nondependent Adults With Opioid Experience
Kratom (Mitragyna speciosa) is a plant often used to self-treat conditions such as pain, coughing, diarrhea, anxiety and depression, opioid use disorder, and opioid withdrawal.
- Conditions
- Safety, Pharmacokinetics, Pharmacodynamics
- Trial name
- NCT06072170
- Testing
- Kratom
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Altasciences Company Inc.
Moderate to Severe Opioid-use Disorder
Buprenorphine Extended-Release Subcutaneous Injection (RBP-6000) in High-risk Users
The primary objective of the induction phase of the study is to compare treatment retention of participants following rapid induction or standard of care (SoC) induction onto extended-release buprenorphine.
- Trial name
- NCT04995029
- Testing
- Transmucosal Buprenorphine, Extended-release Buprenorphine
- Where
- 29 sites in United States, Canada
- Volunteers
- 785 people
- Sponsor
- Indivior Inc.
Healthy
A Study to Characterize the Abuse Liability of Intravenous Oxycodone Alone or in Combination With Intravenous Naltrexone in Healthy, Non-Dependent, Recreational Opioid Users
The main purpose of this study is to simulate if oxycodone and naltrexone combination capsules (ALO-02) were to be tampered with by dissolving and then injecting intravenously for the purpose of getting high.
- Trial name
- NCT01825447
- Testing
- Oxycodone + Naltrexone, Oxycodone
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Pfizer
Abuse Potential
Study Evaluating Abuse Potential of Lyrica® in Healthy Non-Drug Dependent Recreational Opioid Users
This is a Phase 4 clinical study in healthy non-drug dependent recreational opioid users to assess the abuse potential of Lyrica when taken alone or in combination with oxycodone.
- Trial name
- NCT05053126
- Testing
- Pregabalin 300mg, pregabalin 450 mg, Pregabalin 300 mg with oxycodone 20 mg
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Viatris Specialty LLC
Opioid Use Disorder
A Study to Assess the Effect of AZD4041 on Respiratory Drive in Recreational Opioid Users.
This is a Phase 1, single-centre, randomized, double-blind, placebo-controlled, 2 fixed sequences, multiple dose study in healthy male and/or female recreational opioid users.
- Trial name
- NCT05587998
- Testing
- Morphine, AZD4041
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Human Abuse Potential
Assessment of Abuse Potential of Cebranopadol in Humans
This study will be conducted to evaluate the abuse potential of single doses of cebranopadol as compared with oxycodone, tramadol and matching placebo in recreational drug users.
- Trial name
- NCT05256108
- Testing
- Oxycodone 40 mg, Tramadol 600 mg, Cebranopadol 600 µg
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Tris Pharma, Inc.
Opioid Users
Abuse Potential Study of PF-00345439
This study will determine the relative abuse potential of intact and chewed PF-00345439 (Oxycodone Extended-Release Capsules) compared to crushed oxycodone HCL immediate release (IR) tablets and placebo administered orally to…
- Trial name
- NCT01986283
- Testing
- Capsule, PF-00345439, oxycodone
- Where
- United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Pain Therapeutics
Abuse Potential
Abuse Potential of HORIZANT With and Without Oxycodone in Healthy, Nondependent Recreational Opioid Users
The purpose of this study is to assess the abuse potential of gabapentin enacarbil immediate release capsules taken alone and in combination with oxycodone in healthy adult, non-dependent, recreational opioid users.
- Trial name
- NCT06247488
- Testing
- Oxycodone 20 mg, GE-IR 200 mg, GE-IR 450 mg
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Arbor Pharmaceuticals, Inc.
Abuse, Drug
A Trial to Evaluate the Abuse Potential of 3 Doses of GRT6005 in Adult Non-dependent Recreational Opioid Users
The primary objective of this study was to evaluate the abuse potential of single doses of cebranopadol (GRT6005) relative to hydromorphone (immediate-release formulation [IR] and placebo in 48 non-dependent recreational opioid…
- Trial name
- NCT03757559
- Testing
- Cebranopadol 100 micrograms, Cebranopadol 400 micrograms, Hydromorphone hydrochloride 4 milligrams
- Where
- Canada
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- Tris Pharma, Inc.
Opiate Dependence, Drug Dependence
A Randomized Acceptability and Safety Study of Suboxone Induction in Heroin Users (P05042)(COMPLETED)
The purpose of this study is to assess the acceptability and safety of Suboxone in heroin users as a replacement therapy for opioid dependency by comparing the clinical response of participants who are inducted directly onto…
- Conditions
- Opiate Dependence, Drug Dependence, Substance Dependence
- Trial name
- NCT00604188
- Testing
- Suboxone (SCH 000484), Subutex (SCH 028444)
- Volunteers
- 188 people
- Sponsor
- Merck Sharp & Dohme LLC
Opioid-Related Disorders
Abuse Potential of Intranasal VYCAVERT Tablets (Hydrocodone Bitartrate/Acetaminophen) in Recreational Opioid Users
To determine the relative abuse potential of VYCAVERT (hydrocodone bitartrate and acetaminophen) compared to GENERIC H/A (hydrocodone bitartrate and acetaminophen) when crushed and administered intranasally to non dependent…
- Trial name
- NCT01759446
- Testing
- Generic H/A taken first, Vycavert taken first, Generic H/A plus i taken first
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Acura Pharmaceuticals Inc.