title: Lysine clonixinate in minor dental surgery: double-blind randomized parallel study versus paracetamol.
abstract: Lysine clonixinate (LC), an effective and well tolerated non-morphinic analgesic whose mechanism of action is basically due to the inhibition of cyclo-oxygenase, was assessed with a double-blind randomized dummy design versus paracetamol (P) on 200 patients suffering from pain after minor dental surgery. Patients received according to their needs 1 or 2 tablets of 125 mg lysine clonixinate or 500 mg paracetamol every 8 h during 48 h or until pain relief. Both groups, each composed of 100 patients, were comparable in terms of demographic conditions (t test), initial symptoms (chi-square test), characteristics of the extracted dental pieces, surgical complications and wound treatment (chi-square test). Pain intensity scores and daily average intake of tablets (3.4/day) documented in the patients' diary revealed no statistically significant differences between the two treatments (chi-square test). It was found that spontaneous pain measured using a visual analogue scale (VAS) decreased significantly in both treatment groups at the 24-h control examination. The following values were observed in the LC group: baseline 4.38 +/- 1.7; 24-h * 1.20 +/- 1.4; 48-h * 0.36 +/- 1.2. In the P group the values were: baseline 4.28 +/- 1.6; 24-h * 1.11 +/- 1.4; 48-h * 0.30 +/- 0.7 (*p < 0.05). Other variables like facial swelling and night pain, evaluated on a score from 0 to 4 and symptom presence or absence respectively, showed a similar response.(ABSTRACT TRUNCATED AT 250 WORDS)
authors.affiliation: School of Medicine, University of Buenos Aires, Argentina.
authors.forename: M L
authors.initials: ML
authors.lastname: Martí
authors.forename: A R
authors.initials: AR
authors.lastname: De los Santos
authors.forename: G
authors.initials: G
authors.lastname: Di Girolamo
authors.forename: M
authors.initials: M
authors.lastname: Gil
authors.forename: E O
authors.initials: EO
authors.lastname: Manero
authors.forename: C
authors.initials: C
authors.lastname: Fraga
mesh_terms: D000082:Acetaminophen / Q000009:adverse effects / Q000592:standards / Q000627:therapeutic use*; D000293:Adolescent; D000328:Adult; D000368:Aged; D000700:Analgesics / Q000009:adverse effects* / Q000592:standards / Q000627:therapeutic use*; D003002:Clonixin / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000592:standards / Q000627:therapeutic use; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008239:Lysine / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000592:standards / Q000627:therapeutic use; D008297:Male; D008433:Mathematics; D008875:Middle Aged; D010146:Pain / Q000188:drug therapy*; D010147:Pain Measurement; D013515:Surgery, Oral / Q000379:methods*; D013997:Time Factors
chemical_list: D000700:Analgesics; C089163:lysine clonixinate; D000082:Acetaminophen; D008239:Lysine; D003002:Clonixin