Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0030193 (pain)
 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This patient, who had a history of osteoarthritis, had severe hepatitis 5 weeks after being started on diclofenac for increasing pain in the joints. A week before the onset of hepatitis, the patient complained of upper gastrointestinal symptoms and was treated for gastritis. Seven days later, she had full-blown, severe hepatitis. Diclofenac was immediately stopped, leading to a complete restoration of liver functions over the course of the next few months. We highlight the importance of having a high index of suspicion for hepatic side effects of diclofenac and emphasize the need for increased awareness of this rare but potentially serious problem. We also review relevant literature regarding incidence and management.
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PMID:Diclofenac-associated hepatitis. 1041 81

In a randomized double-blind study, 120 patients with moderate to strong pain after surgical removal of wisdom teeth were given the following in single oral doses: 100-mg enteric-coated diclofenac tablets; 1 g acetaminophen (INN, paracetamol); 1 g acetaminophen plus 60 mg codeine; 100-mg enteric-coated diclofenac tablets plus 1 g acetaminophen; or 100-mg enteric-coated diclofenac tablets plus 1 g acetaminophen plus 60 mg codeine. Patients recorded pain intensity and pain relief for 8 hours. Upside assay sensitivity was confirmed because acetaminophen plus codeine was superior to acetaminophen. Diclofenac plus acetaminophen with and without codeine had superior analgesic effect compared with diclofenac, acetaminophen, or acetaminophen plus codeine. Addition of 60 mg codeine increased the degree of side effects. These results support the clinical practice of combining diclofenac with acetaminophen for acute pain. Of clinical importance are superior and prolonged analgesia and fewer side effects after enteric-coated diclofenac tablets plus acetaminophen compared with acetaminophen plus codeine.
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PMID:Combining diclofenac with acetaminophen or acetaminophen-codeine after oral surgery: a randomized, double-blind single-dose study. 1061 19

In this double blind, prospective study, the relative efficacy of Diclofenac + Pitofenone + Fenpiverinium (Manyana) and Analgin + Pitofenone + Fenpiverinium (Baralgan) in 200 patients of biliary, ureteric and intestinal colic was evaluated. Patients were given these coded drugs thrice daily for five days starting from day 0 to day 5. The results of the present clinical evaluation demonstrated that Manyana appeared to be superior to Baralgan in biliary and ureteric colic while it was therapeutically equivalent to Baralgan in reducing the pain intensity in intestinal colic. Both the medications were tolerated well and there were no side-effects reported.
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PMID:Double blind, randomised, parallel, prospective, comparative, clinical evaluation of a combination of antispasmodic analgesic Diclofenac + Pitofenone + Fenpiverinium (Manyana vs Analgin + Pitofenone + Fenpiverinium (Baralgan) in biliary, ureteric and intestinal colic. 1064

Sports-related soft tissue injuries, such as sprains, strains, and contusions, are a common painful condition. Current treatment includes oral nonsteroidal anti-inflammatory drugs (NSAIDs), which have a high incidence of intolerable gastrointestinal side effects. Topically applied drugs have the potential to act locally in the soft tissues without systemic effects. This study assessed the efficacy and safety of topical diclofenac (NSAID) patch applied directly to the painful injury site for the treatment of acute minor sports injury pain. Adult subjects (N = 222) were recruited from two communities for a multicenter, randomized, placebo-controlled, parallel design study. All subjects had suffered a painful minor sports injury within the prior 72 hours of study entry. Either a diclofenac epolamine or placebo topical patch was applied directly to the skin overlying the painful injured site twice daily for 2 weeks. Measures of pain intensity were performed in a daily diary and at clinic visits on days 3, 7, and 14. Diclofenac patch was superior to placebo patch in relieving pain. Statistical significance was seen on clinic days 3 (P = 0.036) and 14 (P = 0. 048), as well as the daily diary pain ratings at days 3, 7, and 14 (P < or =0.044). No statistically significant differences were seen in any safety or side-effect measures with the diclofenac patch as compared to the placebo patch. Diclofenac epolamine patch is an effective and safe pain reliever for treatment of minor sports injury pain. The advantages of this novel therapy include its ease of use and lack of systemic side effects.
J Pain Symptom Manage 2000 Apr
PMID:Topical diclofenac patch relieves minor sports injury pain: results of a multicenter controlled clinical trial. 1079 95

Nepafenac, the amide analog of 2-amino-3-benzoylbenzeneacetic acid (amfenac), was examined in preclinical models for its potential utility as a topical ocular anti-inflammatory agent. Diclofenac was selected as the reference compound. In contrast to diclofenac (IC50 = 0.12 microM), nepafenac exhibited only weak COX-1 inhibitory activity (IC50 = 64.3 microM). However, amfenac was a potent inhibitor of both COX-1 (IC50 = 0.25 microM) and COX-2 activity (IC50 = 0.15 microM). Ex vivo, a single topical ocular dose of nepafenac (0.1%) inhibited prostaglandin synthesis in the iris/ciliary body (85-95%) and the retina/choroid (55%). These levels of inhibition were sustained for 6 h in the iris/ciliary body and 4 h in the retina/choroid. Diclofenac (0.1%) suppressed iris/ciliary body prostaglandin synthesis (100%) for only 20 min, with 75% recovery observed within 6 h following topical dosing. Diclofenac's inhibition of prostaglandin synthesis in the retina/choroid was minimal. Nepafenac's inhibitory efficacy and longer duration of action was confirmed in a trauma-induced rabbit model of acute ocular inflammation monitoring protein or PGE2 accumulation in aqueous humor. Results warrant further assessment of nepafenac's topical ocular efficacy in the treatment of postoperative ocular pain, inflammation, and posterior segment edema.
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PMID:Nepafenac, a unique nonsteroidal prodrug with potential utility in the treatment of trauma-induced ocular inflammation: I. Assessment of anti-inflammatory efficacy. 1085 Aug 57

We have recently found that the infection with herpes simplex virus type-1 (HSV-1) of primary sensory neurons induces nociceptive hypersensitivity to noxious mechanical (hyperalgesia) and tactile stimulation (allodynia) in mice. In the present experiments, we determined the distribution of HSV-1 in the dorsal root ganglia and examined the effects of four analgesic agents on hyperalgesia and allodynia. HSV-1 was inoculated on the unilateral shin. HSV-antigen-positive cells were detected in the L4 and L5 dorsal root ganglia on days 5 and 7, but not day 3, post-inoculation. About 80% of the positive cells were small in size. Allodynia and hyperalgesia appeared on day 5 post-inoculation. Antinociceptive effects of analgesic agents were examined on day 6 post-inoculation. Morphine (1-5 mg/kg, subcutaneous) and gabapentin (10-100 mg/kg, peroral) dose-dependently inhibited both allodynia and hyperalgesia. Diclofenac (10-100 mg/kg, intraperitoneal) also produced antinociceptive effects, but there was a ceiling for the effect on hyperalgesia. Amitriptyline (3, 10 mg/kg, subcutaneous) did not affect allodynia and hyperalgesia. The results suggest that mechanical allodynia and hyperalgesia appeared when HSV-1 proliferated in the sensory neurons. This mouse model may be useful for studying the mechanisms of acute herpetic pain and anti-neuropathic pain agents.
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PMID:Pharmacological and immunohistochemical characterization of a mouse model of acute herpetic pain. 1100 Nov 78

We conducted a prospective, randomized study to compare the efficacy of preoperative diclofenac, flurbiprofen, and clonidine, given alone, as well as the combination of diclofenac and clonidine, and flurbiprofen and clonidine in controlling postoperative pain in 125 children. The patients (ASA I, 2-12 years) undergoing elective ophthalmological surgery were allocated to one of five groups: rectal diclofenac 2 mg.kg(-1) following oral placebo premedication, i. v. flurbiprofen 1 mg.kg(-1) following placebo premedication, oral clonidine premedication, rectal diclofenac 2 mg.kg(-1) following clonidine, and i.v. flurbiprofen 1 mg.kg(-1) following clonidine. The children received clonidine (4 microg.kg(-1)) or placebo 105 min before anaesthesia. Diclofenac or flurbiprofen was given immediately after induction of anaesthesia. Anaesthesia was induced and maintained with sevoflurane and nitrous oxide in oxygen. Postoperative pain was assessed by a blinded observer using a modified objective pain scale (OPS). No opioids were administered throughout the study. Rectal diclofenac 2 mg.kg(-1) i.v. flurbiprofen 1 mg.kg(-1), oral clonidine 4 microg.kg(-1) provided similar OPS scores and requirement for supplementary analgesics during 12 h after surgery. Combination of oral clonidine and one of these nonsteroidal analgesics minimized postoperative pain. Our findings suggest that this combined regimen may be a promising prophylactic approach to postoperative pain control in children undergoing ophthalmological surgery.
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PMID:Diclofenac and flurbiprofen with or without clonidine for postoperative analgesia in children undergoing elective ophthalmological surgery. 1111 98

The rat tail ischaemia--reperfusion model of acute hyperalgesia described by Gelgor et al. (Pain 24 (1986) 251) has been investigated pharmacologically and electrophysiologically. Despite the advantages of this reusable animal model, biochemical changes associated with the behavioural response have not been determined. After injury+/-subcutaneous diclofenac pretreatment, we investigated the behavioural response (changes to thermally-induced tail flick latency) and measured diclofenac, prostaglandin E(2), 6-keto-prostaglandin F(1 alpha) and thromboxane B(2) concentrations in the tail, spinal cord and brain. Subcutaneous injection of 40 mg kg(-1) diclofenac sodium abolished the hyperalgesic response, suppressed the increased eicosanoid production in the tail, inhibited eicosanoid synthesis in the brain, but gave equivocal effects on eicosanoid concentrations in the spinal cord. Injection of 10 and 20 mg kg(-1) diclofenac reduced the duration of hyperalgesia but did not abolish the behavioural response. Diclofenac concentrations in all three tissues were similar, being approximately 5--10% of the corresponding plasma concentrations. We propose that both central and peripheral mechanisms are associated with the hyperalgesia and that the findings lend indirect support to a central action for non-steroidal anti-inflammatory drugs.
Pain 2001 Jan
PMID:Effects of diclofenac in the rat tail ischaemia--reperfusion injury model of acute hyperalgesia. 1183 30

The purpose of this study was to investigate the effects of some commonly used non-steroidal anti-inflammatory drugs (NSAIDs) on human tendon. Explants of human digital flexor and patella tendons were cultured in medium containing pharmacological concentrations of NSAIDs. Cell proliferation was measured by incorporation of 3H-thymidine and glycosaminoglycan synthesis was measured by incorporation of 35S-Sulphate. Diclofenac and aceclofenac had no significant effect either on tendon cell proliferation or glycosaminoglycan synthesis. Indomethacin and naproxen inhibited cell proliferation in patella tendons and inhibited glycosaminoglycan synthesis in both digital flexor and patella tendons. If applicable to the in vivo situation, these NSAIDs should be used with caution in the treatment of pain after tendon injury and surgery.
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PMID:Inhibition of tendon cell proliferation and matrix glycosaminoglycan synthesis by non-steroidal anti-inflammatory drugs in vitro. 1138 72

We evaluated the use of remifentanil administered as a component of an inhalation or of a Target Controlled Infusion (TCI) anesthetic technique during outpatient oral surgery. Sixty-three unpremedicated patients undergoing removal of four impacted third molars participated to this prospective, randomized study. Anesthesia was induced with Propofol and Rocuronium. Remifentanil 1 microgram.kg-1 i.v. was given over 30 s followed by a continuous infusion reduced from 25% each time a tooth was removed (0.25-->0.0625 microgram.kg-1 min-1). Anesthesia was maintained with Desflurane (group D, n = 31) (end-tidal concentration 4-6%) or Propofol (group P, n = 32) (initial infusion TCI 8 micrograms.ml-1 reduced to 2-3 micrograms.ml-1 after intubation). Corticosteroids, a non-steroidal anti-inflammatory drug (NSAID) (Diclofenac) and a partial mu agonist drug (Tramadol) were administered i.v. during the procedure to prevent early postoperative pain. Recovery time, postoperative pain, recovery of cognition and nausea or vomiting were also evaluated during the first six postoperative hours. Overall mean systolic blood pressures and heart rate were similar in the two groups during surgery. Mean times to extubation and to recall of birth-date and room number were also similar. The quality of awakening was good in the two groups. Most patients complained of moderate pain or had no pain during the first six postoperative hours. The incidence of nausea and vomiting was similar in both groups. No other side effect was observed. These data suggest that the association of Remifentanil, Methylprednisolone, Diclofenac and Tramadol is an useful technique in ambulatory oral surgery in two comparable anesthetic regimens.
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PMID:Use of remifentanil in combination with desflurane or propofol for ambulatory oral surgery. 1153 10


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