Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized Controlled Trial Comparing Buprenorphine and Methadone for Treatment in Opioid Dependent Chronic Back Pain Patients
Brief Summary: Chronic pain patients are treated with prescription opioids and many exhibit opioid addiction. Currently, there are no evidence-based guidelines to better manage patients with chronic pain and coexistent opioid addiction. This study compares 6-months buprenorphine and methadone treatment in these patients. The investigators hypothesize that both buprenorphine and methadone treatment will reduce pain and addiction behaviors and increase functioning in these patients.


Options:
A: Inclusion Criteria:

* For inclusion in the proposed studies, subjects must be \> 18 years old and in good health. Subjects must meet DSM-IV criteria for opioid dependence and FDA qualification criteria for buprenorphine treatment, including a history of opioid dependence and significant current opioid use (i.e., opioid-positive urines). Subjects must also be seeking or willing to accept opioid detoxification.

Exclusion Criteria:

* Because the primary focus of the proposed research is to develop an efficacious intervention for prescription opioid abuse that employs a buprenorphine taper and subsequent naltrexone maintenance, individuals who require ongoing opioid therapy for pain or other chronic medical conditions will be excluded from participating.
* Individuals with evidence of an active psychiatric disorder that may interfere with consent or participation in the research (e.g., psychosis, manic-depressive illness, organic psychiatric disorders), significant medical illness (e.g., cardiovascular disease) or who are pregnant or nursing will be excluded from participation.
B: Inclusion Criteria:

* 18 years old or older
* Physically dependent on opioids
* Meet DSM-IV criteria for opioid dependence

Exclusion Criteria:

* Known allergy or sensitivity to buprenorphine or naloxone
* Unstable psychiatric disorder
* Pregnant or lactating females
* Liver function test results greater than 5 times the upper limit of normal range
C: Inclusion Criteria:

1. have a well-documented chronic pain disorder due to past back surgery,
2. have a chronic back pain syndrome,
3. have evidence of opioid addiction,
4. prior attempt at abstinence-oriented treatment documented by the referring physician,
5. be able to understand spoken and written English,
6. reside in Erie or Niagara counties,
7. have health insurance or other ability to pay for treatment with the approval from patient's primary physician;
8. have no prior history of methadone or BUP/NLX maintenance treatment since the last surgery,
9. not be a member of a vulnerable population, including prisoners

Exclusion Criteria:

1. homeless, or any patient without a "locator" (no means to participate in the follow-up data collection interviews by phone),
2. inability to give consent,
3. those with major co-occurring psychiatric disorders,
4. EKG showing prolonged QT and/or previous cardiac issues,
5. are taking a medication that is contraindicated with methadone,
6. medically unstable,
7. urine positive for cocaine at initial visit,
8. pregnant women
D: Inclusion Criteria

* Male or female
* 18 years of age and older
* Meet DSM-5 criteria for opioid-use disorder (heroin and/or prescription opioids)
* Have used opioids other than as specifically prescribed within thirty days prior to consent
* Seeking treatment for opioid dependence and willing to accept "agonist-based" or "antagonist-based" therapy
* In good-enough general health, as determined by the study physician on the basis of medical history, review of systems, physical exam and laboratory assessments, to permit treatment with XR-NTX or BUP-NX
* Able to provide written informed consent
* Able to speak English sufficiently to understand the study procedures and provide written informed consent to participate in the study
* If female of childbearing potential, be willing to practice an effective method of birth control for the duration of participation in the study

Exclusion Criteria

* Serious medical, psychiatric or substance use disorder that, in the opinion of the study physician, would make study participation hazardous to the participant, or compromise study findings or would prevent the participant from completing the study. Examples include:

  1. Disabling or terminal medical illness (e.g., uncompensated heart failure, cirrhosis or end-stage liver disease) as assessed by medical history, review of systems, physical exam and/or laboratory assessments;
  2. Severe, untreated or inadequately treated mental disorder (e.g., active psychosis, uncontrolled manic-depressive illness) as assessed by history and/or clinical interview;
  3. Current severe alcohol, benzodiazepine, or other depressant or sedative hypnotic use likely to require a complicated medical detoxification (routine alcohol and sedative detoxifications may be included)
* LFTs (ALT, AST) greater than 5 times upper limit of normal
* Suicidal or homicidal ideation that requires immediate attention
* Known allergy or sensitivity to buprenorphine, naloxone, naltrexone, polylactide-co-glycolide, carboxymethylcellulose, or other components of the Vivitrol® diluent
* Maintenance on methadone at doses of 30mg or greater at the time of signing consent
* Presence of pain of sufficient severity as to require ongoing pain management with opioids
* Pending legal action or other reasons that might prevent an individual from completing the study
* If female, currently pregnant or breastfeeding, or planning on conception
* Body habitus that, in the judgment of the study physician, precludes safe intramuscular injection of XR-NTX (e.g., BMI\>40, excess fat tissue over the buttocks, emaciation)

Answer: C