OPANA(oxymorphone HCI)
Dosage / Administration
Address your patients’ moderate to severe acute pain
Available OPANA® strengths
5 mg, 10 mg
Initial dose selection1
- In the selection of the initial dose of OPANA , attention should be given to the following:
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- The total daily dose, potency, and specific characteristics of the opioid the patient has been taking previously;
- The relative potency estimate used to calculate the equivalent oxymorphone dose needed;
- The patient’s degree of opioid tolerance;
- The age, general condition, and medical status of the patient;
- Concurrent non-opioid analgesic and other medications;
- The type and severity of the patient’s pain;
- The balance between pain control and adverse experiences;
- Risk factors for abuse, addiction, or diversion, including a prior history of abuse, addiction, or diversion.
Additional Dosing Information
- OPANA should be administered on an empty stomach, at least 1 hour prior to or 2 hours after eating.
- As with any opioid drug product, it is necessary to adjust the dosing regimen for each patient individually, taking into account the patient’s prior analgesic treatment experience.
- Physicians should individualize treatment in every case, using non-opioid analgesics, prn opioids and/or combination products, and chronic opioid therapy in a progressive plan of pain management such as outlined by the World Health Organization, the American Pain Society, and the Federation of State Medical Boards Model Guidelines.
- Healthcare professionals should follow appropriate pain management principles of careful assessment and ongoing monitoring.
- When the patient no longer requires therapy with OPANA , doses should be tapered gradually to prevent signs and symptoms of withdrawal in the physically dependent patient.
Additional Safety Information
- Elderly patients, patients with mild hepatic impairment, and patients with moderate or severe renal impairment should be started at the lowest dose and titrated slowly while carefully monitoring for side effects.
- Safety and effectiveness of OPANA in pediatric patients below the age of 18 years have not been established.
- OPANA like all opioid analgesics, should be started at 1/3 to 1/2 of the usual dose in patients who are concurrently receiving other CNS depressants.
Please see Important Safety Information, including boxed WARNING. Get the full Prescribing Information for OPANA®.
Dosage and administration
The following dosing recommendations should only be considered as suggested approaches to what is actually a series of clinical decisions over time in the management of the pain of each individual patient.
Opioid-naïve patients2
- Start with 10-20 mg every 4-6 hours, depending on initial pain intensity.
- If necessary, patients may be started with OPANA 5 mg.
- The dose should be titrated based upon the individual patient’s response to the initial dose of OPANA . This dose can then be adjusted to an acceptable level of analgesia taking into account the pain intensity and side effects experienced by the patient.
- Initiation therapy with doses higher than 20 mg is not recommended because of potential serious side effects.
Conversion from other oral opioids1
Conversion steps
- Step 1: Calculate the total dose of OPANA based on relative potency information from the published literature.
- Step 2: Administer the total daily dose from Step 1 as equally divided doses every 4–6 hours.
Sample Calculation
If a healthcare provider has determined the total calculated daily dose of OPANA is 40 mg:
- Administer as 10 mg of OPANA every 4–6 hours.
The initial dose of OPANA can be gradually adjusted until adequate pain relief and acceptable side effects
have been achieved.
In general, it is safest to start OPANA therapy by administering half of the calculated total daily dose of
OPANA in 4 to 6 equally divided doses, every 4–6 hours.
Conversion from OPANA Injection1
- Given the absolute oral bioavailability of approximately 10%, patients receiving OPANA Injection may be converted to OPANA by administering 10 times the patient’s total daily OPANA Injection dose as OPANA in 4 or 6 equally divided doses (e.g., IV dose x 10/4).
- For example, approximately 10 mg of OPANA may be required to provide pain relief equivalent to a total daily dose of 4 mg of OPANA Injection.
- Due to patient variability with regard to opioid analgesic response, upon conversion patients should be closely monitored to ensure adequate analgesia and to minimize side effects.
Please see Important Safety Information, including boxed WARNING. Get the full Prescribing Information for OPANA®.
References
- OPANA Full Prescribing Information. Chadds Ford, PA: Endo Pharmaceuticals; 2006.
WARNING: OPANA ER contains oxymorphone, which is a morphine-like opioid agonist and a Schedule II controlled substance, with an abuse liability similar to other opioid analgesics.
Oxymorphone can be abused in a manner similar to other opioid agonists, legal or illicit. This should be considered when prescribing or dispensing OPANA ER in situations where the physician or pharmacist is concerned about an increased risk of misuse, abuse, or diversion.
OPANA ER is an extended-release oral formulation of oxymorphone indicated for the management of moderate to severe pain when a continuous, around-the-clock opioid analgesic is needed for an extended period of time.
OPANA ER is NOT intended for use as an as needed analgesic.
OPANA ER TABLETS are to be swallowed whole and are not to be broken, chewed, dissolved, or crushed. Taking broken, chewed, dissolved, or crushed OPANA ER TABLETS leads to rapid release and absorption of a potentially fatal dose of oxymorphone.
Patients must not consume alcoholic beverages, or prescription or nonprescription medications containing alcohol, while on OPANA ER therapy. The co-ingestion of alcohol with OPANA ER may result in increased plasma levels and a potentially fatal overdose of oxymorphone.
OPANA, like OPANA ER, contains oxymorphone, an opioid agonist and Schedule II controlled substance with an abuse liability similar to morphine and can be abused in a manner similar to other opioid agonists, legal or illicit.
OPANA and OPANA ER are contraindicated in patients with a known hypersensitivity to oxymorphone hydrochloride, morphine analogs such as codeine, or any of the other ingredients of OPANA and OPANA ER; in patients with moderate or severe hepatic impairment or in any situation where opioids are contraindicated such as: patients with respiratory depression (in the absence of resuscitative equipment or in unmonitored settings), acute or severe bronchial asthma, hypercarbia, and in any patient who has or is suspected of having paralytic ileus.
OPANA ER is not indicated for pain in the immediate post-operative period (the first 12–24 hours following surgery), or if the pain is mild, or not expected to persist for an extended period of time. OPANA ER is only indicated for post-operative use if the patient is already receiving the drug prior to surgery or if the post-operative pain is expected to be moderate or severe and persist for an extended period of time. Physicians should individualize treatment, moving from parenteral to oral analgesics as appropriate (see American Pain Society guidelines).
Respiratory depression is the chief hazard of OPANA and OPANA ER, particularly in elderly or debilitated patients. OPANA and OPANA ER should be administered with extreme caution to patients with conditions accompanied by hypoxia, hypercapnia, or decreased respiratory reserve such as: asthma, chronic obstructive pulmonary disease or cor pulmonale, severe obesity, sleep apnea syndrome, myxedema, kyphoscoliosis, central nervous system (CNS) depression, or coma.
Patients receiving other opioid analgesics, general anesthetics, phenothiazines or other tranquilizers, sedatives, hypnotics, or other CNS depressants (including alcohol) may experience additive effects resulting in respiratory depression, hypotension, profound sedation, or coma.
OPANA and OPANA ER should be used with caution in elderly and debilitated patients and in patients who are known to be sensitive to CNS depressants, such as those with cardiovascular, pulmonary, renal, or hepatic disease. OPANA and OPANA ER should be used with caution in patients with mild hepatic impairment and in patients with moderate to severe renal impairment. These patients should be started cautiously with lower doses of OPANA or OPANA ER while carefully monitoring for side effects.
OPANA ER is not indicated for preemptive analgesia (administration preoperatively for the management of postoperative pain).
The most common adverse drug reactions (≥10%) reported at least once by patients treated with OPANA in the clinical trials were nausea and pyrexia. The most common adverse drug reactions (≥10%) in clinical trials for OPANA ER were nausea, constipation, dizziness (excluding vertigo), vomiting, pruritus, somnolence, headache, increased sweating, and sedation.
Patients and their families should be instructed to flush any OPANA and OPANA ER tablets that are no longer needed.
Please see full Prescribing Information for OPANA and full Prescribing Information, including boxed WARNING for OPANA ER.
Vermont prescribers, please see additional information for OPANA and OPANA ER.
Oxymorphone is also available in injectable form. For more information, please see the full prescribing information for OPANA Injection.