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Biomedical subjects

A Sunshine

Publications and source records attributed to A Sunshine.

At least 37 records · Page 2Linked to original sources
PubMed1986

Comparative study of flurbiprofen, zomepirac sodium, acetaminophen plus codeine, and acetaminophen for the relief of postsurgical dental pain.

The relative analgesic efficacy and safety of single oral doses of 50 and 100 mg of flurbiprofen (Ansaid, Upjohn) were compared with 100 mg of zomepirac sodium, 650 mg of acetaminophen plus 60 mg of codeine, 650 mg of acetaminophen alone, and placebo in a randomized, double-blind, parallel-group study. A total of 182 patients entered the study with moderate pain from a third molar extraction and were evaluated for six hours. For many efficacy variables, all active treatments were significantly (p less than or equal to 0.05) more effective than placebo. The two doses of flurbiprofen gave approximately similar results, suggesting a plateau effect above 50 mg. With the exception of relief at one hour, there were no significant differences between zomepirac and either dose of flurbiprofen. However, the mean response with zomepirac was greater than with either 50 or 100 mg of flurbiprofen during the first four hours and lower during the last two hours. The analgesic effects of acetaminophen alone were not significantly different from acetaminophen in combination with codeine. At the first hour, acetaminophen plus codeine led to significantly better pain relief than did 100 mg of flurbiprofen. After the first hour, flurbiprofen resulted in greater mean scores than acetaminophen alone or acetaminophen plus codeine, and these differences were significant at the fifth and sixth hours. Five patients had adverse reactions while receiving acetaminophen, acetaminophen plus codeine, or placebo. There were no adverse effects with flurbiprofen or zomepirac.

Acetaminophen↗
PubMed1986

The correlation between blood levels of ibuprofen and clinical analgesic response.

A clinical trial comparing ibuprofen, 400, 600, and 800 mg, with aluminum ibuprofen, 400 mg, and placebo was conducted in patients with moderate or severe pain subsequent to third molar extraction. Pain intensity ratings and ibuprofen serum levels were obtained at baseline, 30 minutes, 1 hour, and hourly thereafter for 3 hours. Pain intensity ratings were also obtained at hours 4, 5, and 6. Serum levels at 1, 2, and 3 hours correlated significantly with the log dose of ibuprofen (r = 0.35, 0.49, and 0.48, respectively) and with global analgesic response as measured by the percentage of the sum of the pain intensity scores (r = 0.28, 0.34, and 0.26, respectively). However, possibly because of differences in drug formulation, the percentage of the sum of the pain intensity scores did not correlate significantly with log dose. The highest correlations were found between contemporaneous serum levels and pain intensity difference values, particularly at hour 1 (r = 0.54). Our results support the proposition that increased ibuprofen serum levels lead to increased analgesia.

Adolescent↗
PubMed1984

Caffeine as an analgesic adjuvant.

Thirty clinical studies involving more than 10,000 patients conducted during the last 20 years have been analyzed to assess the value of caffeine as an analgesic adjuvant. Although most studies included patients with postpartum uterine cramping or episiotomy pain, some involved patients with pain from oral surgery or headache. In 21 of 26 studies, the relative potency estimates of an analgesic with caffeine to an analgesic without caffeine is greater than one. The pooled relative potency estimates in each of several major categories of combination analgesics are significantly greater than one. The overall pooled relative potency estimate is 1.41, with 95% confidence limits of 1.23 to 1.63; that is, to obtain the same amount of response from an analgesic without caffeine requires a dose that is approximately 40% greater than one with caffeine.

Acetaminophen↗
PubMed1983

Ibuprofen, zomepirac, aspirin, and placebo in the relief of postepisiotomy pain.

Our purpose was to compare the analgesic efficacy of single oral doses of ibuprofen, zomepirac, aspirin, and placebo in severe postepisiotomy pain. One hundred twenty subjects participated in a double-blind, single-dose, parallel-group, 4-hr trial comparing 400 mg ibuprofen, 100 mg zomepirac sodium, 600 mg aspirin, and placebo. For most parameters, including the sum of the pain intensity differences (SPID) and the sum of the hourly pain relief values (TOTAL), which are summary variables, each of the drugs was more effective than placebo. Ibuprofen was more effective than aspirin and zomepirac. Zomepirac and aspirin were equally effective for most of the analgesic variables. There were no adverse effects. Ibuprofen, 400 mg, is an effective oral analgesic and is more effective than 100 mg zomepirac and 600 mg aspirin in most parameters of pain.

Adolescent↗
PubMed1983

Effect of caffeine on acetaminophen analgesia.

Our objective was to determine the value of caffeine in combination with acetaminophen in the relief of pain from uterine cramping, episiotomy, and third molar extraction. In the dental study, 173 patients received two or four tablets of 500 mg acetaminophen or the combination of 500 mg acetaminophen and 65 mg caffeine. In the three postpartum studies, 1345 patients received one, two, or three tablets of acetaminophen, the combination, or a placebo. The mean scores for the summary variable percent sum of the pain intensity differences (% SPID) were higher in all for the combination than for acetaminophen alone, and in two studies the null hypothesis of no differences was rejected. The relative potency estimates for % SPID were 1.9, 1.8, and 1.3 for the three studies in which bioassays could be performed and the pooled relative potency was 1.7 with a 95% confidence interval of 1.1 to 3.1. The results were essentially the same among pain models and among patient groups with similar habitual caffeine consumption. Onset of analgesia was also faster with the combination. We conclude that caffeine enhances the analgesic efficacy of acetaminophen.

Acetaminophen↗
PubMed1983

Oral analgesic efficacy of suprofen compared to aspirin, aspirin plus codeine, and placebo in patients with postoperative dental pain.

The purpose of this study was to evaluate the analgesic efficacy and safety of single oral doses of suprofen 200 and 400 mg, compared with aspirin 650 plus codeine 60 mg, aspirin 650 mg, and placebo in the relief of moderate to severe pain resulting from the surgical removal of impacted third molars. 157 patients completed a randomized, double-blind, single-dose, stratified, parallel-groups trial, and were observed for at least 4 h. Based upon each of the summary efficacy measures, sum pain intensity difference (SPID), percent SPID, TOTPAR and a global evaluation, all four active treatments were approximately equally effective and all were statistically superior to placebo. In addition, suprofen at both dose levels was significantly more effective than placebo beginning at the 0.5-hour observation for mean pain intensity, whereas the two aspirin treatments were not superior to placebo until the 1-hour observation. Side effects were minimal; there was one in the suprofen 200 mg, three in the aspirin 650 mg, and one in the placebo treatment group. Thus, it appears that suprofen at 200 and 400 mg is a safe and effective oral analgesic for the relief of moderate or severe postoperative dental pain, and it is possible that compared to aspirin 650 mg and aspirin 650 mg plus codeine 60 mg, it has a more rapid onset of action.

Adolescent↗
PubMed1981

Fenoprofen and codeine analgesia.

Studies were conducted on postpartum and postoperative patients to estimate the dose-response line of fenoprofen and to contrast it with codeine and placebo. The postpartum patients included women with episiotomy pain and with uterine cramping. This mix allowed contrast of ability of the various pain models to distinguish codeine from placebo. The methodology for the studies was single-dose parallel groups design with interviews conducted by trained nurse observers to obtain subjective responses. More than 850 patients participated in the trial. The results indicate that fenoprofen at doses as low as 12.5 mg has analgesic properties. In each of the five studies, the mean value of 100- and/or 200-mg doses of fenoprofen for the variable sum of the pain intensity difference (SPID) was higher than that of 65 mg codeine. The pooled relative potency calculation based on SPID suggests that 100 mg fenoprofen is approximately equivalent to 60 mg codeine. In their ability to distinguish codeine from placebo, patients with uterine cramp, episiotomy, or surgical pain did not appear to differ.

Analgesics↗
PubMed1980

Human perinatal distribution of butorphanol.

The perinatal distribution of butorphanol was demonstrated in relation to maternal-neonatal transfer and colostrum/milk excretion in obstetric patients. Parenteral butorphanol passed the placental barrier and was found in neonatal cord serum. The mean neonatal serum concentration of butorphanol was not different from the mean maternal serum concentration of butorphanol, following a 1 or 2 mg intramuscular dose. Butorphanol was detected in the milk of lactating women following oral and intramuscular administration. Serum and milk concentrations appeared to be parallel with time. This observation was confirmed by the constancy of the mean milk-to-serum concentration ratio (0.7 intramuscular, 1.9 oral). We calculated that 4 micrograms would be the maximum amount of butorphanol, which would be expected to be present in the full daily milk output (1 L) following administration four times a day of 2 mg intramuscular or of 8 mg oral doses. An oral dose of 4 micrograms to an infant weighing 4 kg corresponds to the negligible oral dose of 0.7 mg to a 70 kg adult. The demonstrated safety and efficacy of butorphanol as an obstetric analgesic and the characteristics of the maternal-neonatal transfer and milk excretion are indicative of the potential excellence of this agent for obstetric use.

Anesthesia, Obstetrical↗
PubMed1980

Clinical evaluation of mild analgesics in post partum pain.

1 The design of a clinical study evaluating mild analgesics in post partum patients is dependent on the purpose of the study. Work intended to determine whether a compound has any analgesic properties, requires a different design from a study positioning a drug in the continuum of available oral analgesics. A vital aspect of a well designed study is randomization of the treatments. The level of initial pain and the type of pain must also be stratified. The use of a cross-over design can decrease patient variation and is therefore very valuable. However, order effects need to be measured. 2 The parameters obtained from the data extend beyond the directly elicited to statistically derived variables. We have derived a method to assign mathematically a numerical score to each patient's verbal report. 3 To reach a meaningful conclusion, one should base the evaluation of the compound on several studies. The interpretation of data from one study must be made with great caution, because of individual variation. In the magnitude of the response some experimenters have found differences between uterine cramp and episiotomy pain, but these have not been consistently reproduced by others.

Analgesics↗
PubMed1978

Oral nefopam and aspirin.

Analgesia through nefopam (30 mg, 60 mg, 90 mg), aspirin (325 mg, 650 mg), and placebo were compared in 122 hospitalized patients with moderate to severe postoperative, fracture, or other somatic pain. A double-blind noncrossover study design was used, and patients were evaluated for pain intensity and pain relief over a 6-hr period. Based on sum of pain intensity differences (SPID) scores, treatment effects were consistent and indicative of good dose response to both active medications. Pain relief scores were more variable but were generally in accordance with SPID values. Time-effect curves were similar. Estimated relative potency of nefopam to aspirin was 10.4 with a 95% confidence interval of 6.3 to 20.8 for SPID, indicating that the analgesic potency of nefopam, 60 mg, was equivalent to that of aspirin, 650 mg. Side effects were minimal.

Administration, Oral↗
PubMed1975

Comparison of the hypnotic activity of triazolam, flurazepam hydrochloride, and placebo.

Triazolam, 0.4 and 0.8 mg, flurazepam, 15 and 30 mg, and placebo were compared in a double-blind, randomized 5-night crossover study in 25 inpatient insomniacs. These patients all complained difficulty falling asleep; all said they usually slept less than 5 hr a nigh and woke up too early in the morning. Results of the patients' global evaluation of the medications shows that all of the treatments were rated significantly higher than placebo, with the exception of triazolam, 0.4 mg, which was not significantly different from flurazepam, 15 or 30 mg, or from placebo. In subjective evaluation of sleep onset, only triazolam, 0.4 and 0.8 mg, was rated faster than placebo. All 4 active medications increased duration of sleep. Triazolam, 0.8 mg, and flurazepam, 30 mg, were rated as providing deeper sleep than placebo while all treatments except flurazepam, 15 mg, decreased the number of awakenings below that on placebo. A significant dose-response curve was obtained with triazolam and flurazepam for some of the parameters. Very few adverse effects were reported. One patient reported feeling groggy and drowsy on 0.4 mg triazolam while 2 reported nightmares on placebo.

Adult↗
PubMed1975

Nefopam and morphine in man.

A new analgesic, nefopam, is chemically distinct and pharmacologically unrelated to any presently known analgesic. A comparison was made of morphine and nefopam in 74 patients who required parenteral analgesia for moderate to severe postoperative and somatic pain, using a single administration, 2-dose level, double-blind design. A significant dose-response curve was obtained with nefopam and with morphine, and there was no significant deviation from parallelism. The time-effect curves for the 2 drugs were similar. The estimated relative potency of nefopam to morphine indicates that 20 mg of nefopam HCl is the approximate analgesic equal of 12 mg of morphine SO4. There were no adverse effects with nefopam and one adverse reaction to morphine.

Adult↗