Buprenorphine and Naloxone

BUPRENORPHINE AND NALOXONE — buprenorphine hydrochloride and naloxone hydrochloride dihydrate tablet
Sun Pharmaceutical Industries Limited

1 INDICATIONS AND USAGE

Buprenorphine and naloxone sublingual tablet is indicated for the maintenance treatment of opioid dependence. Buprenorphine and naloxone sublingual tablet should be used as part of a complete treatment plan that includes counseling and psychosocial support.

2 DOSAGE AND ADMINISTRATION

2.1 Drug Addiction Treatment Act

Under the Drug Addiction Treatment Act (DATA) codified at 21 U.S.C. 823(g), prescription use of this product in the treatment of opioid dependence is limited to healthcare providers who meet certain qualifying requirements, and who have notified the Secretary of Health and Human Services (HHS) of their intent to prescribe this product for the treatment of opioid dependence and have been assigned a unique identification number that must be included on every prescription.

2.2 Important Dosage and Administration Information

Buprenorphine and naloxone sublingual tablet is administered sublingually as a single daily dose. Buprenorphine and naloxone sublingual tablets should be used in patients who have been initially inducted using buprenorphine sublingual tablets.
Medication should be prescribed in consideration of the frequency of visits. Provision of multiple refills is not advised early in treatment or without appropriate patient follow-up visits.

2.3 Maintenance

• The dosage of buprenorphine and naloxone sublingual tablet should be progressively adjusted in increments/decrements of 2 mg/0.5 mg or 4 mg/1 mg buprenorphine/naloxone to a level that holds the patient in treatment and suppresses opioid withdrawal signs and symptoms.
• The maintenance dose of buprenorphine and naloxone sublingual tablet is generally in the range of 4 mg/1 mg buprenorphine/naloxone to 24 mg/6 mg buprenorphine/naloxone per day depending on the individual patient. The recommended target dosage of buprenorphine and naloxone sublingual tablet is 16 mg/4 mg buprenorphine/naloxone/day as a single daily dose. Dosages higher than 24 mg/6 mg have not been demonstrated to provide any clinical advantage.
• When determining the prescription quantity for unsupervised administration, consider the patient’s level of stability, the security of his or her home situation, and other factors likely to affect the ability to manage supplies of take-home medication.
• There is no maximum recommended duration of maintenance treatment. Patients may require treatment indefinitely and should continue for as long as patients are benefiting and the use of buprenorphine and naloxone sublingual tablets contributes to the intended treatment goals.

2.4 Method of Administration

Buprenorphine and naloxone sublingual tablets must be administered whole. Do not cut, chew, or swallow buprenorphine and naloxone sublingual tablets. Advise patients not to eat or drink anything until the tablet is completely dissolved.
Buprenorphine and naloxone sublingual tablet should be placed under the tongue until it is dissolved. For doses requiring the use of more than two tablets, patients are advised to either place all the tablets at once or alternatively (if they cannot fit in more than two tablets comfortably), place two tablets at a time under the tongue. Either way, the patients should continue to hold the tablets under the tongue until they dissolve; swallowing the tablets reduces the bioavailability of the drug. To ensure consistency in bioavailability, patients should follow the same manner of dosing with continued use of the product.
Proper administration technique should be demonstrated to the patient.

2.5 Clinical Supervision

Treatment should be initiated with supervised administration, progressing to unsupervised administration as the patient’s clinical stability permits. Buprenorphine and naloxone sublingual tablet is subject to diversion and abuse. When determining the prescription quantity for unsupervised administration, consider the patient’s level of stability, the security of his or her home situation, and other factors likely to affect the ability to manage supplies of take-home medication.
Ideally patients should be seen at reasonable intervals (e.g., at least weekly during the first month of treatment) based upon the individual circumstances of the patient. Medication should be prescribed in consideration of the frequency of visits. Provision of multiple refills is not advised early in treatment or without appropriate patient follow-up visits. Periodic assessment is necessary to determine compliance with the dosing regimen, effectiveness of the treatment plan, and overall patient progress.
Once a stable dosage has been achieved and patient assessment (e.g., urine drug screening) does not indicate illicit drug use, less frequent follow-up visits may be appropriate. A once-monthly visit schedule may be reasonable for patients on a stable dosage of medication who are making progress toward their treatment objectives. Continuation or modification of pharmacotherapy should be based on the healthcare provider’s evaluation of treatment outcomes and objectives such as:

  1. Absence of medication toxicity
  2. Absence of medical or behavioral adverse effects
  3. Responsible handling of medications by the patient
  4. Patient’s compliance with all elements of the treatment plan (including recovery-oriented activities, psychotherapy, and/or other psychosocial modalities)
  5. Abstinence from illicit drug use (including problematic alcohol and/or benzodiazepine use)

If treatment goals are not being achieved, the healthcare provider should re-evaluate the appropriateness of continuing the current treatment.

2.6 Unstable Patients

Healthcare providers will need to decide when they cannot appropriately provide further management for particular patients. For example, some patients may be abusing or dependent on various drugs, or unresponsive to psychosocial intervention such that the healthcare provider does not feel that he/she has the expertise to manage the patient. In such cases, the healthcare provider may want to assess whether to refer the patient to a specialist or more intensive behavioral treatment environment. Decisions should be based on a treatment plan established and agreed upon with the patient at the beginning of treatment.
Patients who continue to misuse, abuse, or divert buprenorphine products or other opioids should be provided with, or referred to, more intensive and structured treatment.

2.7 Discontinuing Treatment

The decision to discontinue therapy with buprenorphine and naloxone sublingual tablets after a period of maintenance should be made as part of a comprehensive treatment plan. Advise patients of the potential to relapse to illicit drug use following discontinuation of opioid agonist/partial agonist medication-assisted treatment. Taper patients to reduce the occurrence of withdrawal signs and symptoms. [See Warnings and Precautions (5.7)]

2.8 Switching between Buprenorphine and Naloxone Sublingual Film and Buprenorphine and Naloxone Sublingual Tablets

Patients being switched between buprenorphine and naloxone sublingual tablets and buprenorphine and naloxone sublingual film should be started on the same dosage as the previously administered product. However, dosage adjustments may be necessary when switching between products. Because of the potentially greater relative bioavailability of buprenorphine and naloxone sublingual film compared to buprenorphine and naloxone sublingual tablets, patients switching from buprenorphine and naloxone sublingual tablets to buprenorphine and naloxone sublingual film should be monitored for over-medication. Those switching from buprenorphine and naloxone sublingual film to buprenorphine and naloxone sublingual tablets should be monitored for withdrawal or other indications of under dosing. In clinical studies, pharmacokinetics of buprenorphine and naloxone sublingual film was similar to the respective dosage strengths of buprenorphine and naloxone sublingual tablets, although not all doses and dose combinations met bioequivalence criteria.

3 DOSAGE FORMS AND STRENGTHS


Buprenorphine and naloxone sublingual tablet is supplied as an uncoated, round, biconvex, orange tablet in two dosage strengths:

  • buprenorphine/naloxone 2 mg/0.5 mg, and
  • buprenorphine/naloxone 8 mg/2 mg

4 CONTRAINDICATIONS


Buprenorphine and naloxone sublingual tablet is contraindicated in patients with a history of hypersensitivity to buprenorphine or naloxone as serious adverse reactions, including anaphylactic shock, have been reported [see Warnings and Precautions (5.9)].

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