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Biomedical subjects

E P Lester

Publications and source records attributed to E P Lester.

At least 19 recordsLinked to original sources
PubMed2001

Cyclophosphamide, doxorubicin, vincristine, prednisone, and etoposide (CHOPE) for advanced-stage Hodgkin's disease: CALGB 8856.

Successful treatment of advanced-stage Hodgkin's disease (HD) may critically depend on dose intensity. Because mechlorethamine, Oncovin, procarbazine, and prednisone (MOPP), and Adriamycin, bleomycin, vinblastine, and dacarbazine (ABVD) are not suitable for major dose escalation, we evaluated the activity and toxicity of combined cyclophosphamide, doxorubicin, vincristine, prednisone, and etoposide (CHOPE) in advanced HD, here used at conventional dose intensity, as a preparatory study prior to using this regimen at higher dose intensity. Ninety-two patients were treated with CHOPE (cyclophosphamide, 750 mg/m2, day 1; doxorubicin, 50 mg/m2, day 1; vincristine, 1.4 mg/m2, days 1 and 8; prednisone, 100 mg/day, days 1-5; and etoposide, 80 mg/m2, days 1, 2, and 3) every 21 days. All had advanced HD with no prior chemotherapy with 46% stage IV, 63% with B symptoms, and 57% with bulky disease (> 5 cm). Radiation and growth factor support were not permitted. Full-dose vincristine (not capped at maximum 2 mg/dose) was used in the first 33 patients. An initial cohort of 41 patients was treated with four cycles of CHOPE to evaluate safety and efficacy followed by four cycles of ABVD. A second cohort of 51 patients was treated with 6-8 cycles of CHOPE alone. Toxicity was generally acceptable and primarily hematologic, with neutrophils < 500 in 63% of cohort I and 90% of cohort II, and platelets < 25,000 in 7% of cohort I and 8% of cohort II. The long-term neurotoxicity of full-dose, high-intensity vincristine was acceptable and largely reversible. In cohort I, 92% of patients achieved a complete response (CR) or partial response (PR) with four cycles of CHOPE and 85% were in CR after four additional cycles of ABVD. In cohort II, 77% achieved a CR with 6-8 cycles of CHOPE alone. FFS was 76% in cohort I and 59% in cohort II, with a median follow-up of 8.2 and 5.7 years, respectively. CHOPE, at conventional dose intensity as used here, is an effective first-line regimen for the treatment of advanced-stage HD and may warrant evaluation using higher doses of cyclophosphamide and etoposide with granulocyte colony stimulating factor (G-CSF) support.

Adult↗
PubMed1997

Phase II study of induction and adjuvant chemotherapy for squamous cell carcinoma of the head and neck. A long-term analysis for the Illinois Cancer Center.

BACKGROUND: In 1982, the Illinois Cancer Center initiated a Phase II trial in which the following treatment was administered: Induction chemotherapy (cisplatin and infusional 5-fluorouracil [5-FU]) was administered before definitive local therapy. Definitive local therapy, consisting of surgery, radiation, or both, was followed by three cycles of the same chemotherapy program. METHODS: Eligible patients had Stage III or IV squamous cell carcinoma of the head and neck with no distant metastases. Three cycles of induction chemotherapy were given. Cisplatin, 100 mg/m2, was infused over 60 minutes on Day 1; thereafter, 5-FU (1000 mg/m2/day) was given continuously for 5 days. Cycles were repeated at 3-week intervals. Local therapy was individualized, according to tumor stage and site. Patients who responded were to receive an additional three cycles of chemotherapy after surgery or radiation. RESULTS: Eighty-one patients were entered into the trial, and 71 were considered both eligible and evaluable. After induction chemotherapy, 59 patients (83%) responded, 23 of whom experienced complete response. Sixty-nine patients completed definitive local treatment, but only 22 proceeded to the planned adjuvant cycles of treatment. Median follow-up of surviving patients was 12 years. At last follow-up, 13 patients were alive and free of malignancy, 9 of whom never had disease recurrence or a second primary tumor. These 13 patients had an acceptable quality of life, were ambulating, and were fully capable of caring for themselves. Overall, nine patients had second primary malignancies. Thirty-four percent of patients were alive at 5 years, and 21% were alive at 10 years. Of 58 deaths, 44 resulted from progressive disease and 8 resulted from second primary cancers. Four patients died of unrelated causes, and two suffered lethal acute toxicity from the chemotherapy program. Late toxicity was moderate. Among 23 patients surviving at least 6 years, there were 3 cases of hypothyroidism, presumed to be secondary to radiation. Xerostomia was modest, consistent with usual radiation effects. Of the 13 patients who were alive and free of malignancy at last follow-up, none had clinical manifestations of serious late end organ toxicity. CONCLUSIONS: During long term follow-up after multimodal treatment of locally advanced squamous cell carcinoma, no obvious benefit was observed from the chemotherapy component of the treatment regimens rendered. Only 21% of patients achieved 10-year survival with the following causes of failure, in descending order of frequency: disease recurrence, second malignancies, other medical problems, and treatment-related deaths. The results of this trial are consistent with the results of other induction chemotherapy trials, indicating the need for innovative treatment strategies. These data do not support the continued use of induction chemotherapy with the cisplatin and infusional 5-FU program.

Adult↗
PubMed1995

A surrogate carries a fertilised ovum: multiple crossings in ego boundaries.

Recent advances in reproductive technologies have created situations in which early psychoanalytic thinking with regard to the procreative wish, infertility, and the significance of pregnancy in mothering, calls for reconsideration. The paper addresses briefly issues related to psychological infertility; it focuses specifically on possible psychological implications during full surrogacy, as this procedure is now practised in many fertility clinics in North America. The analysis of a young woman whose infertility was related to her exposure, during intra-uterinary life, to her mother's hormonal treatment (DES), presented us with the opportunity to observe the many psychological issues developing during in vitro fertilisation (IVF) and other similar procedures and, ultimately, to address the far more complex interpersonal states evolving between the biological (genetic) mother and the surrogate during full surrogacy. Analytic material provides the opportunity to discuss, specifically, questions of boundaries and boundary confusion in the relationship between the surrogate (who carried the couple's fertilised ovum to the birth of a healthy child) and the genetic mother.

Adult↗
PubMed1993

Randomized double-blind comparison of three dose levels of intravenous ondansetron in the prevention of cisplatin-induced emesis.

The selective 5-hydroxytryptamine3 (5HT3) antagonist ondansetron has been shown to be an effective antiemetic in patients receiving cisplatin chemotherapy. This double-blind study compared the efficacy and safety of three doses of intravenous ondansetron in the prevention of nausea and vomiting associated with high-dose (> or = 100 mg/m2) cisplatin chemotherapy. A total of 125 patients were randomized (1:1:1) to receive 0.015, 0.15, or 0.30 mg/kg every 4 h for a total of 3 doses. All patients were monitored for emetic episodes, adverse events, and laboratory safety parameters for 24 h following cisplatin administration. The 0.15-mg/kg dose was superior to the 0.015-mg/kg dose with respect to the median number of emetic episodes (P = 0.033) and complete response (no emetic episodes, P = 0.005). No statistically significant difference was found between the 0.15 and the 0.30-mg/kg groups. The most common adverse event was headache. Three 0.15-mg/kg doses of intravenous ondansetron are safe, effective, and adequate for the control of cisplatin-induced emesis.

Adult↗
PubMed1993

Early sexual abuse and nightmares in the analysis of adults.

An examination of the nightmares of four adults in analysis who had been sexually abused as children revealed a characteristic distortion of the body representation as it appeared in the manifest content of the dream. The authors believe that childhood sexual trauma has profound and pervasive effects on the development and consolidation of the body image. Experienced as a grave assault on body integrity and function, it mobilizes primitive anxieties and specific genital anxieties, resulting in distortion, fragmentation, or disintegration of the body representation. The frequently observed multiple somatization of victims of sexual abuse is attributable to such a damaged and persecutory body representation.

Adolescent↗
PubMed1992

Stratified, randomized, double-blind comparison of intravenous ondansetron administered as a multiple-dose regimen versus two single-dose regimens in the prevention of cisplatin-induced nausea and vomiting.

PURPOSE: This study compares the efficacy and safety of two single-dose regimens with the approved three-dose regimen of ondansetron in the prevention of cisplatin-induced emesis. PATIENTS AND METHODS: This multicenter study was a stratified, randomized, double-blind, and parallel group design. Chemotherapy-naive inpatients were randomized to receive intravenous (IV) ondansetron (Zofran; Glaxo Inc, Research Triangle Park, NC) 0.15 mg/kg times three doses, every 4 hours or a single 8-mg or 32-mg dose followed by two saline doses that began 30 minutes before cisplatin administration. Cisplatin (high-dose > or = 100 mg/m2 or medium-dose 50 to 70 mg/m2) was given as a single infusion (< or = 3 hours). Patients were monitored for emetic episodes, adverse events, and laboratory safety parameters for 24 hours after cisplatin administration. RESULTS: A total of 699 patients (359 high-dose, 340 medium-dose) were enrolled. Of these, 618 were assessable for efficacy (15 ineligible, 66 protocol deviations). The 32-mg dose was superior to the 8-mg single dose with regard to total number of emetic episodes (high-dose, P = .015; medium-dose, P < .001), complete response (no emetic episodes: high-dose, 48% v 35%; P = .048; medium-dose, 73% v 50%; P = .001) and failure rate (> 5 emetic episodes, withdrawn or rescued: high-dose, 20% v 34%; P = .018; medium-dose, 9% v 23%; P = .005). The 32-mg single dose was also superior to the 0.15 mg/kg times three dose regimen with regard to total number of emetic episodes (medium-dose, P = .033) and failure rate (high-dose, 20% v 36%; P = .009; medium-dose, 9% v 22%; P = .011). Ondansetron was well tolerated. The most common adverse event was headache. An approximate 10-fold increase in the incidence of clinically significant transaminase elevations was observed in the high-dose versus medium-dose cisplatin strata (aspartate aminotransferase [AST], 6.5% v 0.7%; serum alanine aminotransferase [ALT], 5.0% v 0.3%). CONCLUSION: A 32-mg single dose of ondansetron is more effective than a single 8-mg dose and is at least as effective as the standard regimen of 0.15 mg/kg times three doses in the prevention of cisplatin-induced acute emesis.

Adult↗
PubMed1991

Concomitant cisplatin and hyperfractionated external beam irradiation for advanced malignancy of the head and neck.

The combination of cisplatin and hyperfractionated external beam irradiation (HEBI), followed by salvage surgery when indicated, was evaluated in patients with advanced stage squamous cell carcinoma of the head and neck. Thirty patients with stage III (n = 5) or IV (n = 25) disease received intravenous cisplatin 100 mg/m2 by 6-hour continuous infusion on days 1, 21, and 42 of HEBI. Radiation fractions of 110 cGy were given twice daily, separated by 4 to 6 hours, beginning within 12 hours after cisplatin delivery. Doses to the primary site ranged from 60 to 76.35 Gy (median: 72.3 Gy), with 60 to 74 Gy to nodal sites. Follow-up ranged from 4 to 28 months (median: 19 months). Clinical complete response of the primary site was seen in 27 of 29 patients (93%), and complete clinical clearance of adenopathy in 20 of 26 (76%). A second biopsy 6 to 8 weeks after completion of treatment showed residual disease in both the primary and nodal sites in three patients, and in only the primary site in one patient. Four patients with persistent adenopathy had pathologic confirmation at surgery. Four patients had recurrence after negative biopsy results 6 to 9 months after treatment biopsy. At present, with median follow-up of 19 months, eight patients (26%) have died secondary to uncontrolled primary or nodal disease. Two patients have died of nonrelated causes. Overall, 10 of 30 patients (66%) remain alive with no evidence of disease. Mucositis and weight loss were the most common side effects of treatment. Seven patients developed significant xerostomia, and four have cisplatin-related hearing loss requiring amplification. The early evidence of excellent response (89% pathologic complete response of primary sites; 78% complete response of nodal sites), coupled with acceptable treatment morbidity, warrants further study of this approach.

Adult↗
PubMed1991

Cisplatin and fluorouracil chemotherapy does not yield long-term benefit in locally advanced head and neck cancer: results from a single institution.

Fifty-one patients with locally advanced head and neck cancer were treated with three cycles of cisplatin at 100 mg/m2 followed by 5-day continuous infusion fluorouracil (5-FU) at 1,000 mg/m2/d as induction chemotherapy. Subsequent local therapy consisted of surgery for patients with resectable disease and/or radiotherapy. Three cycles of adjuvant chemotherapy were administered to patients with partial response (PR) or complete response (CR) to induction chemotherapy. Twenty-two patients (43%) had a clinical CR that was pathologically confirmed in 12 patients (24%), and 24 patients (47%) had a PR for an overall response rate of 90%. Local therapy included surgery in 24 patients (47%) and radiotherapy alone in 22 patients (43%). Adjuvant chemotherapy was administered to 32 patients (63%) frequently at great dose reduction. At a median follow-up of 90 months, the median survival is 22 months (95% confidence interval, 15 to 36 months), and the 5-year survival is 25%, with only five patients known to be alive and disease-free at this time. The median time to progression is 14 months, with 29 patients (57%) having documented progression of their head and neck cancer and eight (16%) having progression of a second neoplasm. Seven patients died of intervening medical events. This high incidence of second malignancies supports the continued investigation of chemoprevention for patients in CR. Despite the known high response rates achieved with cisplatin and 5-FU induction chemotherapy, the overall poor survival data reported here should lead to a thorough reexamination of the frequent administration of this regimen in the community.

Adolescent↗
PubMed1990

Gender and identity issues in the analytic process.

The influence of gender--of analyst and analysand--in the unfolding of the analytic process is being addressed. A brief discussion of the reasons why such influence was either dismissed or denied in the analytic literature until recently, is followed by an overview of possible analyst-analysand interactions in the four gender-related dyads. Finally two specific developments, not uncommon in the transference of female patients in analysis with female analysts (and their countertransference implications) are presented. The first refers to the issues around closeness and distance with the maternal object (usually expressed as issues over control and as a sado-masochistic struggle with the analyst in the transference), while the second to the erotization of the transference.

Acting Out↗
PubMed1989

Database and search techniques for two-dimensional gel protein data: a comparison of paradigms for exploratory data analysis and prospects for biological modeling.

Two-dimensional (2-D) polyacrylamide gel electrophoresis can detect thousands of polypeptides, separating them by apparent molecular weight (Mr) and isoelectric point (pI). Thus it provides a more realistic and global view of cellular genetic expression than any other technique. This technique has been useful for finding sets of key proteins of biological significance. However, a typical experiment with more than a few gels often results in an unwiedly data management problem. In this paper, the GELLAB-II system is discussed with respect to how data reduction and exploratory data analysis can be aided by computer data management and statistical search techniques. By encoding the gel patterns in a "three-dimensional" (3-D) database, an exploratory data analysis can be carried out in an environment that might be called a "spread sheet for 2-D gel protein data". From such databases, complex parametric network models of protein expression during events such as differentiation might be constructed. For this, 2-D gel databases must be able to include data from other domains external to the gel itself. Because of the increasing complexity of such databases, new tools are required to help manage this complexity. Two such tools, object-oriented databases and expert-system rule-based analysis, are discussed in this context. Comparisons are made between GELLAB and other 2-D gel database analysis systems to illustrate some of the analysis paradigms common to these systems and where this technology may be heading.

Algorithms↗
PubMed1989

Studies of the affective state in bereaved children.

The process of bereavement in children ranges from the absence of grief to symptoms of anxiety and conduct disturbances. Some psychoanalytic opinion holds that the absence of grief, associated with lack of cognitive maturity, leads to the development of psychopathology later in life. Other writers describe a mourning response, taking the form of ambivalence, anxiety, and care giving, which may protect against subsequent depression. This paper describes the affective response in 16 children ages four to 17 years, two to three years following the death of a parent, in order to further characterize developmental aspects of the emotional repertoire of bereavement. Only children aged 12 and over were depressed according to the Poznansky Children's Depression Rating Scale and criteria in the DSM-III. Conduct disturbances were observed in the younger children and some of the older children and were correlated with depression in the group as a whole. This suggests that the expression of depressive affect depends on maturation and that the young child may register grief only through anxiety and negativism. Examples of this spectrum of responses are offered in two case vignettes.

Adaptation, Psychological↗
PubMed1989

GR 38032F (GR-C507/75): a novel compound effective in the prevention of acute cisplatin-induced emesis.

We evaluated, in a multi-center trial, the safety and efficacy of GR 38032F (GR-C507/75), a novel and selective serotonin antagonist, in preventing acute emesis in chemotherapy-naive patients receiving treatment with regimens containing high-dose cisplatin (greater than or equal to 100 mg/m2). Eighty-five patients were randomized to receive GR 38032F, 0.18 mg/kg, either every six or every eight hours for three doses, beginning 30 minutes before cisplatin. Patients were evaluated for emetic episodes (vomiting or retching) over a 24-hour period following cisplatin. All patients were evaluable for toxicity and 83 were evaluable for efficacy. The overall antiemetic response rate was 75% (55% complete response [CR], 20% major response). No difference in antiemetic control between the two administration schedules was noted. Patients with histories of heavy ethanol use had significantly better antiemetic control (74% CR) than modest or non-drinkers (33% CR). Toxicity of GR 38032F was modest and independent of administration schedule. The most common adverse events included mild hepatic transaminase elevations, self-limited diarrhea, dry mouth, headache, and mild sedation. Our data indicate that GR 38032F is a safe and effective agent in the control of acute cisplatin-induced nausea and vomiting. Additional trials exploring dosing, schedule, and comparison to standard antiemetic agents are indicated.

Acute Disease↗
PubMed1989

Diffuse large-cell lymphoma of B-cell origin and deficient T-cell function in a patient with rheumatoid arthritis.

An increased incidence of non-Hodgkin's lymphoma has been described in patients with rheumatoid arthritis. Mechanisms related to abnormal immune regulation have been postulated, but no patients with rheumatoid arthritis and lymphoma have been previously well characterized immunologically. We describe here a patient with long-standing rheumatoid arthritis in whom a B-cell diffuse large-cell lymphoma developed. He was found to have a severe T-cell immunodeficiency and evidence of persistent Epstein-Barr virus infection. Epstein-Barr nuclear antigen was not found to be present within lymphoma cells. The combination of defective T-cell function and persistent Epstein-Barr virus infection may have predisposed this patient with rheumatoid arthritis to the development of a malignant clone of B lymphocytes.

Arthritis, Rheumatoid↗
PubMed1986

On transference: developmental and clinical considerations.

Following a short historical overview of the evolution of the concept of transference, the factors involved in this process are examined. The developmental or dynamic aspects of transference, that is, its illusory character defined by the "potential space" within which transference develops, and the importance of the holding environment at the early stages of therapy for an optimal development of transference are discussed. To understand resistances, Merton Gill's distinction of resistances to the awareness of the transference, and resistances to the resolution of the transference are particularly relevant. Finally, the concept of transference neurosis is focused upon. Detailed clinical vignettes are given to illustrate the points made. Although the clinical material is taken from sessions of patients in analysis the theoretical implications pertaining to the transference are equally applicable to the practice of psychoanalytic psychotherapy. It is in this spirit that throughout the paper the terms "therapeutic" and "analytic" are used interchangeably.

Defense Mechanisms↗
PubMed1986

Pregnancy, developmental crisis and object relations: psychoanalytic considerations.

The psychoanalytic literature until recently was focused on the task of understanding and conceptualizing motherhood as 'not secondary' (to the girl's wish for the penis) but the central organizer of the woman's sexual drive. Pregnancy was viewed as a developmental crisis but little had been written on the internal shifts and realignments in the mental organization of the woman during pregnancy. Material from the analyses of three women during their first pregnancy is discussed and some theoretical conclusions are offered.

Adult↗
PubMed1986

Narcissism and the personal myth.

Kris (1956) described the concept of the personal myth as an autobiographical story built around a family romance fantasy seen specifically in obsessive characters and serving a defensive function. In this paper the concept of the personal myth was expanded to include similar defensive constellations originating from within the grandiose self, built around omnipotent and omniscient fantasies and occurring in character formations with pregenital, narcissistic pathology. The case of a known author and poet, Nikos Kazantzakis, was used to illustrate the thesis of the paper. The available biographical material and the work of the author offer evidence to support the claim that the author's personal myth was a protective shield against anxiety originating in early narcissistic traumata.

Creativity↗
PubMed1985

Lymphocyte blastogenesis. Post-transcriptional controls of protein synthesis.

To better understand the regulation of macromolecular synthesis in the response of lymphocytes to a mitogen, we have used two-dimensional electrophoresis to search for specificity in the early increase seen in protein synthesis in human lymphocytes treated with phytohemagglutinin and examined the role of new RNA synthesis in this response. Our results confirm a major increase in overall protein synthesis after 4 h of phytohemagglutinin treatment. A further disproportionate increase in the synthetic rates of certain polypeptides was observed using two-dimensional polyacrylamide gel electrophoresis. While actinomycin-D reduced protein synthesis to a level below that of untreated cells, phytohemagglutinin nonetheless enhanced total protein synthesis even in the presence of actinomycin. Some, but not all, of the disproportionate increases in synthesis seen for certain polypeptides are blocked by actinomycin. These results imply the existence of multiple mechanisms controlling protein synthesis early in the course of lymphocyte stimulation. At least some of these do not require new RNA synthesis and thus operate at a post-transcriptional level.

Blood Proteins↗