PubMed Journals Articles About "Oxycodone Nalaxone Prolonged Release Tablets Pain" 
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Showing "Oxycodone nalaxone prolonged release tablets Pain" PubMed Articles 1–25 of 23,000+
Morphine or oxycodone tablets for pain?
The opioids morphine and oxycodone are potent analgesics that are available as extended-release and immediate-release tablets. Indications are the same for both; i.e. severe acute pain and chronic pain (non-malignant or malignant). Few clinical studies have compared morphine and oxycodone directly. There is no evidence to support that one is superior over the other.
Objectives: This exploratory study in healthy volunteers investigated the effect of single doses of oxycodone on gastrointestinal (GI) transit time and the degree to which a single dose of naloxone reverses the oxycodone-induced effect. Methods: Fifteen healthy male volunteers received: oxycodone 10 and 20 mg, oxycodone/naloxone 10/5 and 20/10 mg (all as prolonged release tablets) and placebo. Each dose was radiolabelled and administered with a capsule containing radiolabelled resin (surrogate for GI conten...
Abstract Objective To compare the cost effectiveness of prolonged release oxycodone/naloxone (OXN) tablets (Targinact*) and prolonged release oxycodone (OXY) tablets (OxyContin†) in patients with moderate to severe non-malignant pain and opioid-induced constipation (OIC) from the perspective of the UK healthcare system. Methods A cohort model used data from a Phase III randomised, controlled trial (RCT). It calculated the cost difference between treatments by combining the cost of pain therapy with costs...
Aims: This study evaluates the efficacy and tolerability of long-term controlled-release (CR) oxycodone + pregabalin in patients with non-cancer pain, in a real-life setting. Methods: Patients (n = 1,051) with chronic uncontrolled non-cancer pain received CR oxycodone + pregabalin for 1 year. Pain intensity was rated on an 11-point numerical rating scale (NRS) at months 1, 2, 4, 6, 9 and 12. Results: Throughout the study period, the NRS score decreased significantly (baseline: 7.02 ± 1.26; 12 months: 1.45...
PURPOSE: Cancer cachexia is characterized by hypoalbuminemia and with the hepatic production of acute-phase proteins in response to malignant growth. The aim of this study was to evaluate the influence of cachexia on the pharmacokinetic disposition of and clinical responses to oxycodone in cancer patients. METHODS: Forty-seven Japanese patients receiving oxycodone extended-release tablets as a starting opioid for cancer pain were enrolled in this study. Cachexia was evaluated using the Glasgow Prognostic Sc...
Anomalous observations of hydrocodone in patients on oxycodone.
BACKGROUND: Urine drug monitoring is used by physicians treating chronic pain patients with opioid therapy. Patients are tested in part to insure that they are not taking other drugs. Therefore, the finding of hydrocodone in a patient who is only prescribed oxycodone has clinical implications. Oxycodone preparations are known to have small amounts of hydrocodone as an impurity estimated to be 100,000ng/mlL of oxycodone. Of these, 72% were positive for hydrocodone. Of the 311 specimens with oxycodone concent...
PURPOSE: To characterize the pharmacokinetics (PK) of oxycodone following intravenous injection and administration of three oral dosage forms (solution, capsule, and controlled-release tablet) in elderly patients (age 76-89 years) undergoing cystoscopy. METHODS: This was an open, randomized study with two sequences and two visits in 15 elderly patients. The patients were given intravenous injection (over 10 min) of 5 mg of oxycodone hydrochloride trihydrate. Oxycodone hydrochloride (5 mg in all forms) w...
We have previously shown that paracetamol has an opioid-sparing effect in tonsillectomy, and now we evaluated the analgesic efficacy of paracetamol i.v. in early postoperative pain after laparoscopic cholecystectomy (LCC). Twenty-four patients with LCC were randomized to receive paracetamol i.v. 1 g (Group-1) or 2 g (Group-2) at the end of surgery. All patients were provided 0.1 mg/kg of oxycodone i.v. 15 min. before the end of surgery. At the recovery room when the wound pain at rest was >3/10 and/or >5/10...
BACKGROUND AND OBJECTIVE: Reformulated OxyContin(®) (oxycodone-HCl controlled release) tablets (ORF) became available in the United States in August 2010. The original formulation of OxyContin(®) (oxycodone-HCl controlled release) tablets (OC) used a delivery system that did not provide inherent resistance to crushing and dissolving. The objective of this study was to compare the pharmacokinetics, tolerability, and safety of finely crushed ORF tablets, coarsely crushed ORF tablets, and finely crushed OC t...
The purpose of this study was to compare the in vitro release and the in vivo pharmacokinetics of bilayer tablets with the conventional dispersible tablets of nimesulide. The tablets were administered to beagle dogs and the plasma levels of nimesulide were determined by high-performance liquid chromatography-MS/MS. The pharmacokinetic parameters were calculated using a noncompartmental model. The bilayer tablets showed a biphasic in vitro release pattern with initial burst release and sustained release foll...
High doses of oxycodone-naloxone combination may provide poor analgesia.
Several studies have shown that an oxycodone/naloxone combination (ratio 2:1) provides analgesia and less constipation in non-cancer patients receiving relatively low doses of this formulation. A case report of a cancer patient who was receiving increasing doses of oxycodone with an unexpected declining analgesia is presented. The substitution with the same doses (240 mg/day) of regular controlled-release oxycodone was effective in regaining adequate analgesia.
In brief: immediate-release oxycodone (Oxecta) for pain.
OBJECTIVE: Oxycodone is widely used for the treatment of cancer pain, but little is known of its pharmacokinetics in cancer pain patients. The aim of this study was to explore the relationships between ordinary patient characteristics and serum concentrations of oxycodone and the ratios noroxycodone or oxymorphone/oxycodone in cancer patients. METHODS: Four hundred and thirty-nine patients using oral oxycodone for cancer pain were included. The patients' characteristics (sex, age, body mass index [BMI], Kar...
The role of opioid receptor antagonists in the treatment of opioid-induced constipation: a review.
Opioid-induced constipation (OIC) is associated with negative impact of opioid analgesics on opioid receptors located in the gut wall. Until recently, OIC was treated symptomatically only, with different laxatives which did not target the pathophysiology of OIC. Recently, several opioid receptor antagonists have been introduced in the treatment of OIC. Methylnaltrexone (MNTX) is a peripheral mu-opioid receptor antagonist for subcutaneous administration, which does not evoke symptoms of opioid abstinence. MN...
The objective of this study was to develop the dextromethorphan hydrobromide sustained-release (DMB-SR) tablets using floating technique to prolong the gastric residence time and compared their pharmacokinetic behavior with conventional sustained release tablets. DMB-SR floating tablets were prepared employing hydroxypropyl methylcellulose (HPMC) as hydrophilic gel material, sodium bicarbonate as gas-generating agent and hexadecanol as floating assistant agent. An orthogonal experiment design method was use...
PURPOSE: Bortezomib, a proteasome inhibitor drug very effective against multiple myeloma, may induce the so-called bortezomib-induced peripheral neuropathy (BIPN), hardly manageable with common analgesic drugs. This study assessed the effectiveness of controlled-release (CR) oral oxycodone in controlling pain and its interference on daily functions of patients with hematologic malignancies affected by BIPN. METHODS: Forty-six patients (median age, 62 years) affected by myeloma and lymphoma, complaining of...
Interpolyelectrolyte (IPE) complexation between carrageenan (CG) and Eudragit E (EE) was studied in 0.1 M HCl and was used to develop floating matrix tablets aimed to prolong gastric-residence time and sustain delivery of the loaded drug. The optimum EE/CG IPE complexation weight ratio (0.6) was determined in 0.1 M HCl using apparent viscosity measurements. The IPE complex was characterized by Fourier transform infrared spectroscopy and differential scanning calorimetry. Metronidazole matrix tablets were...
Oxycodone combined with opioid receptor antagonists: efficacy and safety.
Introduction: A mu receptor antagonist combined with oxycodone (OXY) may improve pain control, reduce physical tolerance and withdrawal, minimizing opioid-related bowel dysfunction and act as an abuse deterrent. Areas covered: The authors cover the use of OXY plus ultra-low-dose naltrexone for analgesia and the use of sustained-release OXY plus sustained-release naloxone to reduce the opioid bowel syndrome. The authors briefly describe the use of sustained-release OXY and naltrexone pellets as a drug abuse...
Opioid formulations designed to resist/deter abuse.
Physicians who prescribe opioid analgesics for patients with moderate to severe chronic pain face a balancing act in the wake of the current publicity regarding abuse (nonmedical use) of prescription pain killers. There is a spectrum of opioid abuse ranging from those who misuse the drug by not following doctor's orders to those who take the drugs to achieve a high or divert the drugs to the street market for profit. Formulations of opioid analgesics designed to resist or deter abuse have been proposed, and...
Imperatorin sustained-release tablets: In Vitro and pharmacokinetic studies.
We prepared and evaluated imperatorin (IMP) sustained-release tablets. IMP is an active compound in Angelica dahuricae, a Chinese herbal medicine. We used different polymers, such as hydroxypropyl methylcellulose (HPMC K4M, K15M, and K100M), carbopol 934P, sodium carboxymethyl cellulose (CMC-Na), and their combinations to prepare the matrix tablets and achieve the desired sustained release profile. The in vitro release profiles of these formulations were examined and fit to various kinetic release models. W...
Tapentadol immediate release: a review of its use in the treatment of moderate to severe acute pain.
Tapentadol (Nucynta) is an orally active, centrally acting synthetic analgesic that is thought to exert its analgesic effects via two mechanisms of action (mu-opioid receptor agonism and norepinephrine reuptake inhibition). In the US, the immediate-release (IR) formulation of the drug is approved for the relief of moderate to severe acute pain in patients aged > or =18 years. In the EU, the drug is currently in the marketing authorization process. In clinical trials in patients with moderate to severe acute...
In rheumatoid arthritis (RA), nocturnal release of proinflammatory cytokines is not adequately counteracted by endogenous glucocorticoid and is associated with symptoms of morning stiffness and pain. Taking exogenous glucocorticoid during the night reduces morning stiffness significantly more than treatment at the conventional time in the morning, although waking to take tablets is unacceptable for patients. Modified-release prednisone tablets were developed to allow administration at bedtime for programmed...
The use of High Doses of Oxycodone in an Acute Palliative Care Unit.
A retrospective study of patients who were prescribed controlled-release oxycodone (CRO) in a period of 3 years (2006-2008) was performed. A total of 212 patients were prescribed at discharge CRO for background analgesia; 129, 43, and 40 patients were prescribed doses of oxycodone of less than 120 mg/day (group L), 120 to 240 mg/day (group M), and more than 240 mg/day (group L), respectively. No differences in gender, primary diagnosis, and pain mechanisms were found, but doses were significantly lower in o...
PURPOSE: This study aimed to investigate the effect of antivirals ritonavir and lopinavir/ritonavir on the pharmacokinetics and pharmacodynamics of oral oxycodone, a widely used opioid receptor agonist used in the treatment of moderate to severe pain. METHODS: A randomized crossover study design with three phases at intervals of 4 weeks was conducted in 12 healthy volunteers. Ritonavir 300 mg, lopinavir/ritonavir 400/100 mg, or placebo b.i.d. for 4 days was given to the subjects. On day 3, 10 mg oxycodone h...
Study design:A 3-month follow-up, observational, prospective, multicenter, study in traumatic spinal cord-injured (SCI) patients with neuropathic pain (NP).Objectives:To assess the effectiveness and safety of oxycodone treatment in SCI patients with anticonvulsants-refractory NP.Setting:'Spinal injury follow-up units' throughout Spain.Methods:Data regarding NP characteristics were collated from male and female adults with traumatic SCI and difficult-to-control central NP of moderate-to-severe intensity (vis...
