Nursing Drug Reference & Checker

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Nursing Drug Reference & Checker

FDA labels · Drug interactions · Beers Criteria · NIOSH 2024 · RxNorm · v3.0.0

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💊 ROFLUMILAST

Generic: ROFLUMILAST
ORAL FDA Label
Quick reference
RouteORAL
ManufacturerGolden State Medical Supply, Inc.
SourceFDA Label
✅ Indications & Usage ›

1 INDICATIONS AND USAGE Roflumilast tablets is indicated as a treatment to reduce the risk of COPD exacerbations in patients with severe COPD associated with chronic bronchitis and a history of exacerbations. Limitations of Use Roflumilast tablets is not a bronchodilator and is not indicated for the relief of acute bronchospasm. Roflumilast tablets 250 mcg is a starting dose, for the first 4 weeks of treatment only and is not the effective (therapeutic) dose. Roflumilast tablets is a selective phosphodiesterase 4 inhibitor indicated as a treatment to reduce the risk of COPD exacerbations in patients with severe COPD associated with chronic bronchitis and a history of exacerbations. ( 1 , 14 ) Limitations of Use: Roflumilast tablets is not a bronchodilator and is not indicated for the relief of acute bronchospasm. ( 1 , 14 ) Roflumilast tablets 250 mcg is a starting dose, for the first 4 weeks of treatment only and is not the effective (therapeutic) dose. ( 2 , 14 )

💉 Dosage & Administration ›

2 DOSAGE AND ADMINISTRATION The maintenance dose of roflumilast tablets is one 500 micrograms (mcg) tablet per day, with or without food. Starting treatment with a dose of Roflumilast tablets 250 mcg once daily for 4 weeks and increasing to Roflumilast tablets 500 mcg once daily thereafter may reduce the rate of treatment discontinuation in some patients [ see Clinical Studies ( 14.1 ) ]. However, 250 mcg per day is not the effective (therapeutic) dose. The maintenance dose for patients with COPD is one 500 mcg tablet per day, with or without food. Starting treatment with a dose of Roflumilast tablets 250 mcg once daily for 4 weeks and increasing to roflumilast tablets 500 mcg once daily thereafter may reduce the rate of treatment discontinuation in some patients.( 2 )

🚫 Contraindications ›

4 CONTRAINDICATIONS The use of roflumilast tablets is contraindicated in the following condition: Moderate to severe liver impairment (Child-Pugh B or C) [see Clinical Pharmacology ( 12.3 ) and Use in Specific Populations ( 8.6 )]. Moderate to severe liver impairment (Child-Pugh B or C)

⚠️ Warnings & Precautions ›

5 WARNINGS AND PRECAUTIONS Acute Bronchospasm: Do not use for the relief of acute bronchospasm. ( 5.1 ) Psychiatric Events including Suicidality: Advise patients, their caregivers, and families to be alert for the emergence or worsening of insomnia, anxiety, depression, suicidal thoughts or other mood changes, and if such changes occur to contact their healthcare provider. Carefully weigh the risks and benefits of treatment with roflumilast tablets in patients with a history of depression and/or suicidal thoughts or behavior. ( 5.2 ) Weight Decrease: Monitor weight regularly. If unexplained or clinically significant weight loss occurs, evaluate weight loss and consider discontinuation of roflumilast tablets. ( 5.3 ) Drug Interactions: Use with strong cytochrome P450 enzyme inducers (e.g., rifampicin, phenobarbital, carbamazepine, phenytoin) is not recommended. ( 5.4 )

5.1 Treatment of Acute Bronchospasm Roflumilast tablets is not a bronchodilator and should not be used for the relief of acute bronchospasm.

5.2 Psychiatric Events including Suicidality Treatment with roflumilast tablets is associated with an increase in psychiatric adverse reactions. In 8 controlled clinical trials 5.9% (263) of patients treated with roflumilast tablets 500 mcg daily reported psychiatric adverse reactions compared to 3.3% (137) treated with placebo. The most commonly reported psychiatric adverse reactions were insomnia, anxiety, and depression which were reported at higher rates in those treated with roflumilast tablets 500 mcg daily (2.4%, 1.4%, and 1.2% for roflumilast tablets versus 1.0%, 0.9%, and 0.9% for placebo, respectively) [see Adverse Reactions (6.1) ] . Instances of suicidal ideation and behavior, including completed suicide, have been observed in clinical trials. Three patients experienced suicide-related adverse reactions (one completed suicide and two suicide attempts) while receiving roflumilast tablets compared to one patient (suicidal ideation) who received placebo. ... [See full FDA label]

🔴 Adverse Reactions ›

6 ADVERSE REACTIONS The following adverse reactions are described in greater detail in other sections: Psychiatric Events Including Suicidality [see Warnings and Precautions (5.2) ] Weight Decrease [see Warnings and Precautions (5.3) ] Most common adverse reactions (≥2%) are diarrhea, weight decrease, nausea, headache, back pain, influenza, insomnia, dizziness and decreased appetite. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Ascend Laboratories, LLC at 1-877-272-7901 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .

6.1 Adverse Reactions in Clinical Studies Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The safety data described below reflect exposure of 4438 patients to roflumilast tablets 500 mcg once daily in four 1year placebo-controlled trials, two 6-month placebo-controlled trials, and two 6-month drug add-on trials [see Clinical Studies (14.1) ]. In these trials, 3136 and

1232 COPD patients were exposed to roflumilast tablets 500 mcg once daily for 6 months and 1 year, respectively. The population had a median age of 64 years (range 40 to 91), 73% were male, 92.9% were Caucasian, and had COPD with a mean pre-bronchodilator forced expiratory volume in one second (FEV 1 ) of 8.9 to 89.1% predicted. In these trials, 68.5% of the patients treated with roflumilast tablets reported an adverse reaction compared with 65.3% treated with placebo. The proportion of patients who discontinued treatment due to adverse reaction was 14.8% for roflumilast tablets -treated patients and 9.9% for placebo-treated patients. The most common adverse reactions that led to discontinuation of roflumilast tablets were diarrhea (2.4%) and nausea (1.6%). Serious adverse reactions, whether considered drug-related or not by the investigators, which occurred more... [See full FDA label]

💊 Drug Interactions ›

7 DRUG INTERACTIONS A major step in roflumilast metabolism is the N-oxidation of roflumilast to roflumilast N-oxide by CYP3A4 and CYP1A2 [see Clinical Pharmacology (12.3) ]. Use with inhibitors of CYP3A4 or dual inhibitors of CYP3A4 and CYP1A2 (e.g., erythromycin, ketoconazole, fluvoxamine, enoxacin, cimetidine) will increase roflumilast systemic exposure and may result in increased adverse reactions. The risk of such concurrent use should be weighed carefully against benefit.( 7.2 )

7.1 Drugs that Induce Cytochrome P450 (CYP) Enzymes Strong cytochrome P450 enzyme inducers decrease systemic exposure to roflumilast and may reduce the therapeutic effectiveness of roflumilast tablets. Therefore the use of strong cytochrome P450 inducers (e.g. rifampicin, phenobarbital, carbamazepine, and phenytoin) with roflumilast tablets is not recommended [see Warnings and Precautions (5.4) and Clinical Pharmacology (12.3) ].

7.2 Drugs that Inhibit Cytochrome P450 (CYP) Enzymes The co-administration of roflumilast tablets (500 mcg) with CYP3A4 inhibitors or dual inhibitors that inhibit both CYP3A4 and CYP1A2 simultaneously (e.g., erythromycin, ketoconazole, fluvoxamine, enoxacin, cimetidine) may increase roflumilast systemic exposure and may result in increased adverse reactions. The risk of such concurrent use should be weighed carefully against benefit [see Clinical Pharmacology (12.3) ].

7.3 Oral Contraceptives Containing Gestodene and Ethinyl Estradiol The co-administration of roflumilast tablets (500 mcg) with oral contraceptives containing gestodene and ethinyl estradiol may increase roflumilast systemic exposure and may result in increased side effects. The risk of such concurrent use should be weighed carefully against benefit [see Clinical Pharmacology (12.3) ].

🤰 Pregnancy ›

8.1 Pregnancy Risk Summary There are no randomized clinical studies of roflumilast tablets in pregnant women. In animal reproductive toxicity studies, roflumilast tablets administered to pregnant rats and rabbits during the period of organogenesis produced no fetal structural abnormalities. The highest roflumilast tablets dose in these studies was approximately 30 and 26 times, respectively, the maximum recommended human dose (MRHD). Roflumilast tablets induced post-implantation loss in rats at doses greater than or equal to approximately 10 times the MRHD. Roflumilast tablets induced stillbirth and decreased pup viability in mice at doses corresponding to approximately 16 and 49 times, respectively, the MRHD. Roflumilast tablets has been shown to adversely affect pup post-natal development when dams were treated with the drug during pregnancy and lactation periods in mice at doses corresponding to 49 times the MRHD (see Data). The background risk of major birth defects and miscarriage for the indicated population is unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Clinical Considerations Labor and delivery Roflumilast tablets should not be used during labor and delivery. There are no human studies that have investigated effects of roflumilast tablets on preterm labor or labor at term; however, animal studies showed that roflumilast tablets disrupted the labor and delivery process in mice. Data Animal data In an embryo-fetal development study, pregnant rats were dosed orally during the period of organogenesis with up to 1.8 mg/kg/day roflumilast tablets (approximately 30 times the MRHD on an AUC basis). No evidence of structural abnormalities or effects on survival rates were observed. Roflumilast tablets did not affect embryo-fetal development at approximately 3 times the MRHD (on a mg/m 2 basis at a maternal oral dose of 0.2 mg/... [See full FDA label]

👶 Pediatric Use ›

8.4 Pediatric Use COPD does not normally occur in children. The safety and effectiveness of roflumilast tablets in pediatric patients have not been established.

👴 Geriatric Use ›

8.5 Geriatric Use Of the

4438 COPD subjects exposed to roflumilast tablets for up to 12 months in 8 controlled clinical trials, 2022 were greater than 65 years of age and 471 were greater than 75 years of age. No overall differences in safety or effectiveness were observed between these subjects and younger subjects and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out. Based on available data for roflumilast, no adjustment of dosage in geriatric patients is warranted [see Clinical Pharmacology (12.3) ].

🔬 Mechanism of Action ›

12.1 Mechanism of Action Roflumilast and its active metabolite (roflumilast N-oxide) are selective inhibitors of phosphodiesterase 4 (PDE4). Roflumilast and roflumilast N-oxide inhibition of PDE4 (a major cyclic-3',5'-adenosine monophosphate (cyclic AMP)-metabolizing enzyme in lung tissue) activity leads to accumulation of intracellular cyclic AMP. While the specific mechanism(s) by which roflumilast tablets exerts its therapeutic action in COPD patients is not well defined, it is thought to be related to the effects of increased intracellular cyclic AMP in lung cells.

📊 Pharmacokinetics ›

12.3 Pharmacokinetics Absorption The absolute bioavailability of roflumilast following a 500 mcg oral dose is approximately 80%. Maximum plasma concentrations (C max ) of roflumilast typically occur approximately one hour after dosing (ranging from 0.5 to 2 hours) in the fasted state while plateau-like maximum concentrations of the N-oxide metabolite are reached in approximately eight hours (ranging from 4 to 13 hours). Food has no effect on total drug absorption, but delays time to maximum concentration (T max ) of roflumilast by one hour and reduces C max by approximately 40%, however, C max and T max of roflumilast N-oxide are unaffected. An in vitro study showed that roflumilast and roflumilast N-oxide did not inhibit P-gp transporter. Distribution Plasma protein binding of roflumilast and its N-oxide metabolite is approximately 99% and 97%, respectively. Volume of distribution for single-dose 500 mcg roflumilast is about

2.9 L/kg. Studies in rats with radiolabeled roflumilast indicate low penetration across the blood-brain barrier. Metabolism Roflumilast is extensively metabolized via Phase I (cytochrome P450) and Phase II (conjugation) reactions. The N-oxide metabolite is the only major metabolite observed in the plasma of humans. Together, roflumilast and roflumilast N-oxide account for the majority (87.5%) of total dose administered in plasma. In urine, roflumilast was not detectable while roflumilast N-oxide was only a trace metabolite (less than 1%). Other conjugated metabolites such as roflumilast N-oxide glucuronide and 4-amino-3,5-dichloropyridine N-oxide were detected in urine. While roflumilast is three times more potent than roflumilast N-oxide at inhibition of the PDE4 enzyme in vitro , the plasma AUC of roflumilast N-oxide on average is about 10-fold greater than the plasma AUC of roflumilast. In vitro studies and clinical drug-drug interaction studies suggest that the biotransformation of roflumilast to its N-oxide metabolite is mediated by CYP1A2... [See full FDA label]

☠️ Overdosage ›

10 OVERDOSAGE

10.1 Human Experience No case of overdose has been reported in clinical studies with roflumilast tablets. During the Phase I studies of roflumilast tablets, the following symptoms were observed at an increased rate after a single oral dose of 2500 mcg and a single dose of 5000 mcg: headache, gastrointestinal disorders, dizziness, palpitations, lightheadedness, clamminess, and arterial hypotension

10.2 Management of Overdose In case of overdose, patients should seek immediate medical help. Appropriate supportive medical care should be provided. Since roflumilast is highly protein bound, hemodialysis is not likely to be an efficient method of drug removal. It is not known whether roflumilast is dialyzable by peritoneal dialysis.

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