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PubMed1984

Dexamethasone suppression test (DST) and plasma dexamethasone levels in depressed patients.

The dexamethasone suppression test (DST) was evaluated in newly hospitalized patients with a DSM-III diagnosis of major depression. Patients with other psychiatric disorders and a normal control group were also studied. Plasma dexamethasone levels were obtained in all patients, and the relationship between plasma cortisol and plasma dexamethasone was examined. Rates of non-suppression in patients with major depression (39%) were not significantly different from those in patients with minor depression (25%), mania (38%), or other psychiatric illnesses (17%). The ranges of dexamethasone levels at 8 a.m. and 4 p.m. were similar between patient groups and controls. However, there was a significant difference in dexamethasone levels between suppressors and nonsuppressors, irrespective of diagnosis, which could not be explained by differences in weight or plasma dexamethasone half-life. Inappropriately high dexamethasone levels were found in some patients with a 1 mg test, a problem that critically affects the sensitivity of the test procedure.

Adolescent↗

PubMed1994

Levels and localization of group II phospholipase A2 and annexin I in interleukin- and dexamethasone-treated rat mesangial cells: evidence against annexin mediation of the dexamethasone-induced inhibition of group II phospholipases A2.

The mechanism by which glucocorticosteroids inhibit the synthesis and secretion of pro-inflammatory arachidonate metabolites is still controversial. Initially it was postulated that glucocorticoids can induce the formation of PLA2 inhibitory proteins termed annexins. We have previously shown that the cytokine-induced 14 kDa PLA2 activity and the synthesis of prostaglandin E2 in rat mesangial cells is dose-dependently blocked by pretreatment of the cells with dexamethasone (Schalkwijk et al. (1991) Biochem. Biophys. Res. Commun. 180, 46-52). Concurrently, the synthesis of 14 kDa group II PLA2 is suppressed. The regulation of PLA2 activity is complex and may well involve superimposable mechanisms. Thus, although the decrease in PLA2 protein levels could in itself explain the dexamethasone-induced decrease in PLA2 activity, a contribution of the glucocorticoid-induced anti-phospholipase A2 protein annexin cannot be ruled out a priori. To investigate this possibility we analyzed the level of annexin I by Western blotting and immunostaining in mesangial cells treated with interleukin-1 beta and/or dexamethasone. Under conditions where 14 kDa group II PLA2 activity and protein levels were dramatically affected by interleukin-1 and dexamethasone, the level of annexin I in the cells remained constant. Dexamethasone also did not induce the secretion of annexin I. In addition, no evidence for dexamethasone-induced translocation of annexin I from the cytosol to membranes, thereby possibly sequestering the substrates for PLA2, was obtained. Immunofluorescence studies localized the cytokine-induced PLA2 to the Golgi area and punctate structures in the cytoplasm. We have also studied the subcellular localization of annexin I in rat mesangial cells using confocal microscopy. These studies located annexin I mainly in the cytoplasma and the nucleus. We conclude from these experiments that the dexamethasone-induced inhibition of 14 kDa group II PLA2 in rat mesangial cells is not mediated by annexin I and is solely due to the suppression of PLA2 gene expression.

Animals↗

PubMed2002

Cellular handling of a dexamethasone-anti-E-selectin immunoconjugate by activated endothelial cells: comparison with free dexamethasone.

PURPOSE: For selective inhibition of endothelial cell activation in chronic inflammation, we have developed a dexamethasone-anti-E-selectin immunoconjugate. The present study was performed to evaluate the cellular handling of this immunoconjugate by activated primary endothelial cells and to compare its drug delivery capacity with free dexamethasone. METHODS: The binding, uptake, and degradation of 125I-radiolabeled dexamethasone-anti-E-selectin immunoconjugate by TNFalpha-activated endothelial cells were studied for different time periods and at different concentrations, as well as in the presence of inhibitors for E-selectin binding and lysosomal degradation. Its drug delivery capacity was compared with the uptake of unconjugated 3H-labeled dexamethasone. RESULTS: The immunoconjugate was internalized by E-selectin expressing activated endothelial cells and degraded in the lysosomal compartment. The receptor-mediated binding and uptake was saturable, implying a maximal attainable intracellular concentration of the drug. In contrast, free dexamethasone entered both resting and activated endothelial cells by passive diffusion. CONCLUSIONS: The dexamethasone-anti-E-selectin immunoconjugate is capable of selective delivering the coupled drug into activated endothelial cells. This targeting concept enables disease-induced drug delivery in which intracellular concentrations can be reached comparable with those obtained after incubation with 3 FM dexamethasone.

Cells, Cultured↗

PubMed2001

Prevention of vomiting after strabismus surgery in children: dexamethasone alone versus dexamethasone plus low-dose ondansetron.

BACKGROUND: Postoperative vomiting is a common complication after strabismus surgery. The combination of dexamethasone and ondansetron decreases vomiting after strabismus surgery, while dexamethasone alone decreases vomiting after tonsillectomy in children. We compared the effect of dexamethasone alone to ondansetron plus dexamethasone on postoperative vomiting among children undergoing strabismus surgery. METHODS: Healthy children, aged 2-14 years, who were undergoing strabismus surgery were entered into this randomized, blocked and stratified study. Patients were administered 0.5 mg.kg(-1) midazolam p.o., 20-30 min preoperatively when indicated. The patients had an intravenous induction with 2.5-3.5 mg.kg(-1) propofol or an inhalation induction of anaesthesia with halothane and N2O. All patients were given 20 microg.kg(-1) atropine i.v. Study drugs were administered in a double-blind fashion. Both groups received 150 microg.kg(-1) dexamethasone i.v. Group D patients received placebo and group OD received 50 microg.kg(-1) of ondansetron i.v. Anaesthesia was maintained with halothane and N2O. Postoperative fluid, vomiting and pain management were standardized. Patients were followed for 24 h. We studied 193 patients with 111 patients in the OD group. Demographic data were similar. RESULTS: The overall incidence of vomiting was 23%; in group D and 5%; in group OD (P < 0.001). Each episode of vomiting increased the in-hospital length of stay by 29 min (P < 0.001). CONCLUSIONS: There was a remarkably low incidence of postoperative vomiting of 5%; with the combination of dexamethasone plus a low-dose of ondansetron which more effectively decreased vomiting after strabismus surgery in children when compared with dexamethasone alone.

Adolescent↗

PubMed1990

A longitudinal evaluation of dexamethasone and cortisol plasma concentrations in the dexamethasone suppression test before and during treatment with antidepressant drugs.

Thirty depressed in- and outpatients received serial dexamethasone suppression tests (DSTs). Plasma dexamethasone and cortisol concentrations were drawn at 1600 on the day following a 1-mg oral dose of dexamethasone. The first DST was performed after patients were drug-free for a period of 1 week; the second, third, and fourth DSTs while patients received antidepressant medication. Dexamethasone and cortisol concentrations drawn in the drug-free period correlated significantly. The cortisol to dexamethasone ratio changed significantly with time in DST nonsuppressors, suggesting that nonsuppression is associated with an altered pharmacodynamic response of the hypothalamopituitary-adrenal axis to dexamethasone during depression. When dexamethasone concentrations from the drug-free period were compared with those drawn during antidepressant treatment, no significant differences were noted.

Adult↗

PubMed2001

Pharmacokinetics and pharmacodynamics of dexamethasone sodium-m-sulfobenzoate (DS) after intravenous and intramuscular administration: a comparison with dexamethasone phosphate (DP).

The pharmacokinetics (PK) and pharmacodynamics (effects on blood lymphocytes) of dexamethasone (D) after intravenous (i.v.) administration of dexamethasone phosphate (DP, 10 mg, equivalent to 8.3 mg of dexamethasone) and after intravenous and intramuscular (i.m.) administration of dexamethasone sulfobenzoate sodium (DS, 9.15 mg, equivalent to 6 mg of dexamethasone) were assessed. Only 25% of DS was converted into dexamethasone with a half-life for DS of 5.4 hours and 7.4 hours after i.v. and i.m. administration, respectively. Consequently, the mean residence time of D after both i.m. and i.v. administration of DS (10.4-11.6 h) was longer than that after DP administration (6.1 h). The smaller lymphocyte suppression induced by DS (50% of that after DP administration) was shown to be related to differences in the pharmacokinetics. This study revealed significant differences in the pharmacokinetics of D after administration of DS and DP and stresses the importance of the prodrug for the pharmacological response. Because of the slow and incomplete conversion of DS into dexamethasone, its use in emergency medicine situations should be critically evaluated.

Adult↗

PubMed1989

Controlling delayed vomiting: double-blind, randomized trial comparing placebo, dexamethasone alone, and metoclopramide plus dexamethasone in patients receiving cisplatin.

The majority of patients receiving cisplatin at a dose of 120 mg/m2 experience delayed nausea and vomiting occurring between 24 and 120 hours after chemotherapy administration. Ninety-one patients who were receiving cisplatin (120 mg/m2) as initial chemotherapy were entered into this double-blind trial. All patients received intravenous (IV) metoclopramide, dexamethasone, and lorazepam for the control of acute emesis during the period from 0 to 24 hours after cisplatin. Patients were then randomized to one of three treatment regimens: placebo; oral dexamethasone, 8 mg twice daily for two days, then 4 mg twice daily for two days; or the combination of oral metoclopramide, 0.5 mg/kg four times daily for four days, plus oral dexamethasone administered as above. Forty-eight percent of individuals who received the two-drug combination of metoclopramide plus dexamethasone experienced delayed vomiting as opposed to 65% who were administered dexamethasone alone and 89% who received placebo (P = .006). Scores assessing the severity of delayed nausea and vomiting were consistently worse in individuals receiving placebo. The incidences of sleepiness, restlessness, heartburn, hiccoughs, loose bowel movements, insomnia, and acute dystonic reactions did not differ significantly among the three regimens and were mild and self-limited. The two-drug combination of oral metoclopramide plus dexamethasone is well tolerated, safe, and more effective than dexamethasone alone or placebo in controlling delayed vomiting following cisplatin.

Adult↗

PubMed1978

Reversal of dexamethasone inhibition of adrenocorticotropin release in a mouse pituitary tumor cell line either by growing cells in the absence of dexamethasone or by addition of hypothalamic extract.

Release of ACTH by a mouse pituitary tumor cell line )AtT-20/D-16v) is inhibited by 10(-8)-10(-6) M 9 alpha-fluoro-16 alpha-methyl-11 beta, 17 alpha, 21-trihydroxy-1,4-pregnadiene-3,20-dione (dexamethasone). Dexamethasone does not inhibit cell growth in this concentration range. Cortisol and corticosterone are almost as potent as dexamethasone in inhibiting ACTH release, whereas 17 beta-estradiol and testosterone have no effect. In rapidly growing cultures of tumor cells removal of dexamethasone leads to complete reversal of the inhibitory effect of the steroid on ACTH accumulation in culture medium within 4-5 days (3.5-4 generation times). The extent of reversal of the dexamethasone effect in slowly growing cultures (generation time 96-150 h) and in rapidly growing cultures (24-30 h) is proportional to the amount of growth that takes place in the absence of dexamethasone. Addition of hypothalamic extract to dexamethasone-treated cultures and to untreated cultures stimulates the release of ACTH 4- to 8-fold. The response occurs within 15 min after the addition of the extract and is dependent on the dose of the extract.

Adrenocorticotropic Hormone↗

PubMed2000

Comparison of the efficacy and safety of oral granisetron plus dexamethasone with intravenous ondansetron plus dexamethasone to control nausea and vomiting induced by moderate/severe emetogenic chemotherapy.

BACKGROUND: Chemotherapy-induced nausea and vomiting can affect cancer patients' compliance with cytotoxic chemotherapy. Currently, there are some new antiemetic therapies for the treatment of chemotherapy-induced emesis. A single institution, randomized, open, parallel trial was done to compare oral granisetron plus intravenous (i.v.) dexamethasone with intravenous ondansetron for the prevention of moderate or severe emetogenic chemotherapy-induced acute and delayed emesis. METHODS: Fifty-one cancer patients were treated with moderate/severe emetogenic chemotherapy and randomized to receive either oral granisetron 1 mg twice daily or i.v. ondansetron 8 mg every 8 hours combined with i.v. dexamethasone 10 mg on the day of chemotherapy. The efficacy and safety of the two antiemetic regimens were compared. RESULTS: Oral granisetron plus i.v. dexamethasone had comparable antiemetic efficacy for the prevention of nausea in the first 24-hour period after initiation of chemotherapy compared with intravenous ondansetron plus i.v. dexamethasone. The complete response of antiemesis in the first 24-hour period after initiation of antiemetic therapy between granisetron and ondansetron were 84.0% (95% CI, 62.9%-95.6%) and 84.6 (95% CI, 64.0%-97.5%). The complete response for delayed emesis after initiation of antiemetic therapy between granisetron and ondansetron were 16.0% (95% CI, 4.5%-36.1%) and 19.2% (95% CI, 6.8%-40.7%0. There was diarrhea in 12% of patients receiving granisetron therapy and constipation in 23.1% of the ondansetron group. CONCLUSIONS: Oral granisetron plus i.v. dexamethasone and i.v. ondansetron plus i.v. dexamethasone are potentially equally effective antiemetic agents in the prevention of moderate or severe emetogenic chemotherapy-induced acute or delayed emesis. Oral granisetron with dexamethasone appears to be a suitable alternative antiemetic agent in cancer patients who receive moderately or severely emetogenic chemotherapy.

Adolescent↗

PubMedDate not supplied

Postoperative nausea and vomiting in diagnostic gynaecological laparoscopic procedures: comparison of the efficacy of the combination of dexamethasone and metoclopramide with that of dexamethasone and ondansetron.

BACKGROUND AND OBJECTIVE: This study was conducted in a tertiary hospital with the aim of comparing the efficacy of a combination of dexamethasone and metoclopramide with dexamethasone and ondansetron for the prophylaxis of postoperative nausea and vomiting [PONV] after diagnostic gynaecological laparoscopic procedures. SUBJECTS AND METHODS: In this prospective, randomised, double-blind study, 120 women received either saline I.V. [Group I, n=40]; a combination of dexamethasone [8 mg] with metoclopramide [10 mg] [Group II, n=40]; or a combination of dexamethasone [8 mg] with ondansetron [4 mg] [Group III, n=40] prior to induction of general anaesthesia. PONV was evaluated at regular intervals. The results were analysed using one-way ANOVA, post-hoc, Chi-square, Kruskal-Wallace tests and Z test for proportions where appropriate through a SPSS V.9 package. RESULTS: The 3 groups were well matched for demographic characteristics. The incidence of nausea and emesis was significantly lower in Group III [[17.5%, P <0.02] and [10%, P <0.01] respectively]. Nausea scores were also lower in Group III [P <0.02]. Rescue anti-emetic requirements were higher in Group I [P <0.05] as compared to Groups II and III. CONCLUSIONS: A combination of dexamethasone and ondansetron was more efficacious as compared to that of metoclopramide and dexamethasone. The combination of metoclopramide and dexamethasone seems to offer no additional benefit as compared to saline placebo.

Adult↗

PubMed1996

Dexamethasone perfusion of the labyrinth plus intravenous dexamethasone for Ménière's disease.

Recent clinical and laboratory evidence indicates that Meniere's disease is an immune-mediated disease. Dexamethasone perfusion of the inner ear through the round window plus intravenous dexamethasone often will stop the dizzy spells, reduce the fullness and low-frequency tinnitus, and sometimes improve the hearing in patients with Meniere's disease. The dexamethasone must act mostly on the endolymphatic sac and, to a lesser extent, on the stria vascularis and spiral ligament, the known targets of immune response in the inner ear, to reduce the endolymphatic hydrops and restore the fluid dynamics of the endolymph. Despite the good results with streptomycin perfusion, the number of patients with further hearing loss is large, so dexamethasone perfusion with intravenous dexamethasone should be tried first. The initial response to dexamethasone perfusion plus intravenous dexamethasone has been very good, with very little risk of further hearing loss, and it holds great promise for the future.

Administration, Topical↗

PubMed2003

Lithium augmentation increases post-dexamethasone cortisol in the dexamethasone suppression test in unipolar major depression.

Although considerable evidence exists on the efficacy of lithium as an augmenting agent in refractory depression, the underlying neurobiology of this phenomenon is unknown. In patients with major depression, changes of the hypothalamic-pituitary-adrenocortical (HPA) system have been detected by means of the dexamethasone suppression test (DST), when administered during treatment with tricyclic antidepressants. We investigated whether the DST also reveals alterations of the HPA system during lithium augmentation. We also sought to identify whether response to lithium augmentation can be predicted with the DST. Twenty-five patients with unipolar major depression, who did not respond to an adequate antidepressant monotherapy of at least 4 weeks, were measured for basal (pre-dexamethasone, 0800h) cortisol and ACTH levels and were administered the DST the day before initiation of lithium augmentation treatment. The same neuroendocrine procedures were repeated after 3 to 4 weeks. Criteria of response to lithium augmentation, defined as a reduction of the Hamilton Depression Rating Scale (HDRS17) score by > or =50% and an end point score of 9 or less, were determined by weekly HDRS ratings. The DST revealed a statistically significant increase of the post-dexamethasone cortisol values (P = 0.021) and an increase in the post-dexamethasone ACTH values (P = 0.051) during lithium augmentation as compared to pre-treatment baseline evaluations. The pre-dexamethasone hormone values were unchanged. The number of non-suppressors at baseline was one and increased to three at follow-up. Results of DST did not predict response to lithium augmentation, which occurred in 40% of subjects. Results suggest that lithium augmentation increases HPA system activity, as indicated by the increase of post-dexamethasone cortisol and ACTH levels measured by the DST. This is in contrast to the established decline of HPA system activity during treatment with tricyclic antidepressants.

Adolescent↗

PubMed1989

Intravenous dexamethasone and subsequent ACTH test in comparison with dexamethasone oral test in the diagnosis of Cushing's syndrome: a report of 20 cases.

Dexamethasone inhibits ACTH secretion in the pituitary corticotropic cells of normal subjects; this ability is variously affected in Cushing's syndrome. The iv infusion of dexamethasone is not time consuming, nor it is influenced by the variability of intestinal absorption or hepatic metabolism, as occurs with oral administration. Iv dexamethasone (1.5 mg/h) over 7 h and an ACTH bolus at the 6th h were administered to 17 patients with Cushing's disease, 3 patients with Cushing's syndrome (2 with adrenal adenoma, 1 with ectopic ACTH secretion) and 13 normal subjects. After 4 days the 20 patients were also given the standard oral low-dose and high-dose dexamethasone test. Two h after starting the drug infusion, cortisol concentrations were inhibited by more than 50% in each control subject. In contrast, in all but one patient they remained higher than 50% over the baseline. At the 6th heach control subject and 15 of the 17 patients with Cushing's disease showed an inhibition of plasma cortisol concentration which was greater than 50%. Inhibition was less than 50% in 2 patients with Cushing's disease and in the 3 patients with non-pituitary dependent Cushing's syndrome. The sensitivity and specificity of this test are comparable with those of the dexamethasone oral test. Although statistically significant, results obtained from ACTH bolus were not sufficiently discriminating. If studies conducted on a larger population confirm these preliminary data, the rapidity and reliability of the dexamethasone infusion test could make it an important new tool in diagnosing Cushing's syndrome.

Administration, Oral↗

PubMed1988

The dexamethasone suppression test and plasma dexamethasone in generalized anxiety disorder.

A Dexamethasone Suppression Test nonsuppression rate of 27% was found in a group of 30 generalized anxiety disorder patients before treatment. The dexamethasone concentrations in the eight nonsuppressors were significantly lower than in eight suppressors matched by sex and age, but were similar to those in five nonsuppressors from a matched normal control group. The dexamethasone concentrations in the generalized anxiety disorder suppressors and a matched group of eight normal control suppressors were similar. After successful nondrug behavioral treatment, all generalized anxiety disorder patients were suppressors. Posttreatment dexamethasone concentrations in the initial nonsuppressor patients remained significantly lower than in the initial suppressors. The results suggest that low plasma dexamethasone concentrations after 1 mg oral dexamethasone may confer a vulnerability to nonsuppression that may be expressed in the presence of high state anxiety.

Adult↗

PubMed1992

Enzyme immunoassay for serum dexamethasone using 4-(carboxymethylthio)dexamethasone as a new hapten.

A sensitive and simple enzyme immunoassay for direct quantitation of serum dexamethasone was established. An antiserum with high specificity was produced by the immunization of rabbits with a newly synthesized 4-(carboxymethylthio)dexamethasone-bovine serum albumin conjugate. Alkaline phosphatase was used as a labeling enzyme. The minimum amount of dexamethasone detected was 2 pg per tube on the basis of B/Bo 100 - 2 SD (%) of standard curve. However, taking into account the cross-reaction with steroids such as cortisol in dexamethasone-free serum, the measurable range was from approximately 0.13 to 10 micrograms/dl. Intra- and interassay coefficients of variation were 1.5 - 5.4% and 0.6 - 6.5%, respectively. Serum levels of dexamethasone and cortisol in four normal subjects after an oral administration of 1 mg of dexamethasone are also reported.

Animals↗

PubMedDate not supplied

Plasma dexamethasone and the dexamethasone suppression test. Initial and follow-up tests in depressed patients.

Plasma dexamethasone concentrations following oral dexamethasone administration were examined in 78 patients with major depression prior to and during treatment. The test-retest stability of plasma dexamethasone levels within patients was satisfactory with an overall significant positive correlation between tests for each patient. However, significant variability was noted in individual patients. Change in pre-DST cortisol and plasma dexamethasone levels were the two variables, in that order of importance, contributing to change in DST status. In studies examining the clinical utility of serial dexamethasone suppression tests as a guide to recovery from depression, the effect of variability in plasma dexamethasone concentrations should be taken into account.

Adult↗

PubMed1990

The effect of dexamethasone dosage upon plasma cortisol and dexamethasone during the DST.

To investigate the effect of dexamethasone dosage upon the outcome of the dexamethasone suppression test (DST) and the role of concurrent plasma dexamethasone concentrations, four different dexamethasone dosages were administered to 119 hospitalized depressed patients (0.5 mg: n = 12; 1.0 mg: n = 30; 1.5 mg: n = 42; 2.0 mg: n = 35). Independent of the dosage, dexamethasone plasma concentrations at 4.00 p.m. were lower in DST non-suppressors than in suppressors, although differences were statistically significant only for the 1.5-mg and 2.0-mg dosages. Our findings confirm recent reports that the actual plasma concentration of dexamethasone at 4.00 p.m. does not determine DST outcome.

Depressive Disorder↗

PubMed1996

Optimum anti-emetic therapy for cisplatin induced emesis over repeat courses: ondansetron plus dexamethasone compared with metoclopramide, dexamethasone plus lorazepam.

BACKGROUND: This study was undertaken to compare the efficacy and tolerability of ondansetron plus dexamethasone (O + D) with metoclopramide plus dexamethasone plus lorazepam (M + D + L) over three consecutive courses of cisplatin chemotherapy. PATIENTS AND METHODS: This was an international, multicentre, double-blind, double-dummy, parallel group study. O+D patients were randomised to receive ondansetron 8 mg intravenously (i.v.) plus dexamethasone 20 mg i.v. prior to cisplatin (50-100 mg/m2) chemotherapy. On the following 4 days they were treated with ondansetron 8 mg bd orally and dexamethasone 4 mg bd orally. M + D + L patients were randomised to receive metoclopramide 3 mg/kg i.v., dexamethasone 20 mg i.v. and lorazepam 1.5 mg/m2 i.v. (max 3 mg) prior to cisplatin chemotherapy and a further dose of metoclopramide 3 mg/kg i.v. approximately 2 hours following the first dose of metoclopramide. Treatment for the following 4 days was metoclopramide 40 mg tds and dexamethasone 4 mg bd orally. Two hundred and thirty-seven patients were recruited into the study (117 patients received O + D and 120 received M + D + L). RESULTS: On the first course chemotherapy, O + D was significantly superior to the M + D + L regimen for complete control of emesis (days 1-5, 54% versus 37%, respectively, P = 0.014). This was maintained over the three treatment cycles; 38% of O + D and 20% of M + D + L patients remained free of emesis (P = 0.003). Maintenance of control of nausea grade as none or mild on days 1-5 over the three courses was significantly better in the O + D group (48%) than in the M + D + L (26%, P = 0.003). The most commonly occurring adverse events in the O + D group were constipation (25%) and headache (19%). In the M + D + L group drowsiness (38% of patients), malaise/fatigue (16% of patients), constipation (13% of patients), anxiety (11% of patients) and dizziness (10% of patients) were the most commonly reported adverse events. Extrapyramidal symptoms were reported by 20% of patients in the M + D + L group. Despite the inclusion of lorazepam, 14% of patients in the M + D + L group were withdrawn from the study due to extrapyramidal symptoms, which in the opinion of the investigators, were probably or almost certainly related to study medication. CONCLUSION: This study show that O + D is significantly more effective and better tolerated than M + D + L for the control of emesis and nausea over a series of three courses of cisplatin chemotherapy.

Adult↗