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These alterations are representative of alterations observed in patients with HNSCC. We expect that heterogeneity of gene expression of HN12 and HN30 will represent heterogeneity in the biological and clinical behavior of patients with HNSCC. For instance, down-regulation of cyclin A promoter of cell cycle progression ; induced by docetaxel may be represented in a patient with an improved clinical outcome when treated with docetaxel. The different gene expression patterns in HN12 and HN30 cell lines may be because of variations in the p53 gene status or possibly other yet undetermined genes. Because the two major metabolites are inactive against tumor cells 49 ; , we expect that in vitro docetaxel studies are predictive of docetaxel in vivo. The limitations of these high throughput studies are the.

EGFR ; inhibitors poststudy 40 patients in the topotecan arm and 47 patients in the docetaxel arm ; . Efficacy Survival and response data are summarized in Table 3. The difference in 1-year survival rate between the topotecan and docetaxel arms was 3.6% 95% CI, 9.59% to 2.48% ; . The lower limit of the 95% CI was above 10%, demonstrating the noninferiority of oral topotecan relative to IV docetaxel. The Kaplan-Meier estimates of overall survival are shown in Figure 2. Although there was no statistically significant difference between the groups log-rank P .0568 ; , the IV docetaxel treatment group had a higher survival rate than the oral topotecan treatment group across the entire treatment period. Events were censored for 19% of patients in the oral topotecan group and 25% of patients in the IV docetaxel group. With adjustment for stratification factors, the hazard ratio for topotecan versus docetaxel was 1.23 95% CI, 1.06 to 1.44 ; , demonstrating superiority of docetaxel. Median TTP was longer in the docetaxel group 13 v 11 weeks; log-rank P .02; Fig 3 ; . With adjustment for stratification factors, the hazard ratio for topotecan versus IV docetaxel was 1.20 95% CI, 1.04 to 1.39 ; . Events were censored for 10% of patients in each group. Response rates were 5% in both arms Table 3 ; . Toxicity Grade 3 or 4 leukopenia and neutropenia occurred more frequently in the docetaxel group Table 4 ; , which was associated with slightly higher rates of grade 2 infection and sepsis, but not febrile neutropenia Table 5 ; . The median duration of grade 4 neutropenia was 7 days in each arm. Granulocyte colony-stimulating factor or granulocyte-macrophage colony-stimulating factor was administered. Scientific Newsletter, Volume 2, Number 6 December 1997 Page 75-79 International Spinal Injection Society General Recommendations For Epidural Injection Interlaminar Transligamentum Flavum, Caudal and Selective Transforaminal Techniques Operator Qualifications Training and Experience 1. Training specific to and demonstrated competence in the procedure to be performed, including the gross, neurological and fluoroscopic anatomy, as well as the technique to be employed. 2. Detailed knowledge of spinal, epidural and systemic pharmacology, adverse and therapeutic effects of agents injected during these procedures. 3. Detailed knowledge of the risks, complications, benefits of and the alternatives to the procedure. Assisting Personnel It is recommended that at least one ancillary staff person be available to monitor the patient during the procedure, to help with fluoroscopy and the drawing up of medications. Personnel should be available to monitor the patient during the recovery period if the physician will be otherwise occupied. Pre-Procedure Work-Up It is the responsibility of the physician performing the procedure to ensure that the indications are appropriate, and that there are no contraindications. This includes performing an adequate history and physical exam. Items that may be specifically sought in the history include: 1. Presence of systemic disease, especially cardiovascular and cerebrovascular disease, putting the patient at higher risk for complications from injection procedures. 2. Ensure that there has been no history of excess bleeding following surgical or dental procedures, or vaginal delivery. 3. Physicians may wish to lower the dose of glucocorticoid given in some diabetic patients. Diabetic patients on Glucophage should have this medication stopped prior to the injection of contrast, and have a creatinine checked following the procedure.

Bortezomib Plus Docetaxel in Advanced AIPC bisphosphonates were not allowed to begin bisphosphonates therapy. Patients with greater than grade 2 peripheral neuropathy, myocardial infarction within 6 months of enrollment, or uncontrolled arrhythmias or heart failure were excluded from enrollment. Men of reproductive potential had to agree to use an effective contraceptive method. All patients were informed of the investigational nature of the study and signed written informed consent in accordance with institutional and federal guidelines. The protocol was approved annually by the institutional review board for each treating institution. Baseline radiographic and laboratory assessments. A computed tomography scan of the abdomen and pelvis and a bone scan were required at baseline. Radiologic assessment for measurable disease was done within 28 days before enrollment. Other baseline laboratory assessments included an electrocardiogram, serum testosterone, complete blood count differential and platelets ; , clinical chemistries, urinalysis, C-reactive protein CRP ; , IL-6, and two PSA measurements taken at least 1 week apart. Efficacy was assessed throughout the study by measuring PSA, tumor response, Karnofsky performance status, CRP, IL-6, and bone resorption markers. PSA levels were measured on or within 7 days of ; : day 1 of cycle 1, day 1 of subsequent odd-numbered cycles, and at the end-ofstudy visit if it had been 1 week since the previous assessment. PSA response was defined as a z50% decrease from baseline PSA 35 ; , as determined by two separate measurements at least 4 to 6 weeks apart. Every 4 to 6 weeks during treatment, target and nontarget lesions were measured and overall disease response confirmed complete response or partial response, or stable disease ; was assessed according to the Response Evaluation Criteria in Solid Tumors RECIST; ref. 36 ; . Responses were confirmed 4 to 6 weeks after the first complete response or partial response. Blood samples were obtained from all patients before and 1 h after bortezomib administration during the first two cycles for pharmacodynamic analysis of 20S proteasome inhibition. Adverse events, serious adverse events, and all concomitant medications, procedures, and supportive therapies were also documented throughout the study. Laboratory abnormalities considered by the investigator to be clinically significant were reported as adverse events. Study design and dose escalation schedule. This open-label, phase I II, dose escalation study was carried out at four centers in the United States. During each 21-day treatment cycle, eligible patients received two docetaxel infusions days 1 and 8 ; with 8 mg of dexamethasone given orally the evening prior, the morning of, and the evening after docetaxel infusion, and two bortezomib injections days 2 and 9, at least 24 h after docetaxel administration ; followed by a 12-day rest period. Two bortezomib dose levels were investigated: low dose 1.3 mg m2 dose ; and high dose 1.6 mg m2 dose ; . Docetaxel dose levels were 25, 30, 35, and 40 mg m2 dose with low-dose bortezomib dose levels 1-4, respectively ; and 35 and 40 mg m2 dose with high-dose bortezomib dose levels 5 and 6, respectively ; . These doses were selected based on experience with weekly docetaxel in refractory malignancies 37, 38 ; and phase I clinical experience of bortezomib in AIPC 32 ; . Initially, three patients were treated at dose level 1. If no DLTs occurred during the first cycle, recruitment continued at the next dose level. If one patient experienced a DLT, the dose level was expanded to include six patients. Dose escalation continued if none of the additional three patients experienced a DLT. If two or three of the first three patients experienced a DLT, no additional patients were treated at that dose and 30 patients were subsequently treated at the previous dose level the low MTD ; . If the MTD was not identified at the first three dose levels, an additional 30 patients were enrolled to dose level 4. After the first 10 patients in the expanded cohort had completed one cycle of therapy, enrollment began at dose level 5 and dose escalation continued as appropriate. An additional 30 patients were enrolled to the dose level identified as the high MTD in the same manner as the low MTD. Identification of the MTD was based on the occurrence of DLTs during the first cycle only. The following hematologic adverse events, graded using National Cancer Institute Common Toxicity Criteria and docusate.

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