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Author: Uwe Koch (174)


Sep
2017

Kinase inhibitors represent the backbone of targeted cancer therapy, yet only a limited number of oncogenic drivers are directly druggable. By interrogating the activity of 1,505 kinase inhibitors, we found that BRD4-NUT-rearranged NUT midline carcinoma (NMC) cells are specifically killed by CDK9 inhibition (CDK9i) and depend on CDK9 and Cyclin-T1 expression. We show that CDK9i leads to robust induction of apoptosis and of markers of DNA damage response in NMC cells.

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Jul
2017

Breaking bad news can be a very distressing situation for both patients and physicians. Physician communication behavior should therefore match patients' communication preferences. The aim of this study was to characterize the content of bad news from the patients' perspective.

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Jul
2017

Aim of the study was to analyze parenting concerns in cancer survivors and to identify covariats for parenting concerns.In a cross-sectional epidemiological sample of cancer survivors with minor children (n=1416) demographic and disease-related variables and psychological distress (HADS) were assessed. Parenting concerns were assessed using the Parenting Concerns Questionnaire (PCQ).

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Oct
2017

Due to toxicity and invasiveness, allogeneic hematopoietic stem cell transplantation causes severe and longstanding symptom burden. Longitudinal studies on symptoms and symptom clusters (SC) would be helpful to optimize symptom control but are rare to date.
The objective of this study was to investigate stability of symptoms, extract time stable SC, and determine their priority in symptom management.

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Dec
1969

Proteins typically interact with multiple binding partners, and often different parts of their surfaces are employed to establish these protein-protein interactions (PPIs). Members of the class of 14-3-3 adapter proteins bind to several hundred other proteins in the cell. Multiple small molecules for the modulation of 14-3-3 PPIs have been disclosed; however, they all target the conserved phosphopeptide binding channel, so that selectivity is difficult to achieve.

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Nov
2017

Depression screening in patients with cancer is recommended by major clinical guidelines, although the evidence on individual screening tools is limited for this population. Here, the authors assess and compare the diagnostic accuracy of 2 established screening instruments: the depression modules of the 9-item Patient Health Questionnaire (PHQ-9) and the Hospital Anxiety and Depression Scale (HADS-D), in a representative sample of patients with cancer.
This multicenter study was conducted with a proportional, stratified, random sample of 2141 patients with cancer across all major tumor sites and treatment settings.

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Oct
2017

We compared gynecological and breast cancer patients regarding their needs for information and psychosocial support, quality of life (QoL), and emotional distress and the relationship among these constructs.
In a multicenter, cross-sectional study in Germany, we evaluated 1214 female cancer patients (317 with gynecological cancer, 897 with breast cancer). We obtained self-reports of unmet needs, using a self-developed measure.

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May
2017

Anxiety and depression can be a long-term strain in cancer survivors. Little is known about the emotional situation of cancer survivors who have to deal with work- and family-related issues. The purpose of this study was to investigate anxiety and depression in working-age cancer survivors and associated factors.

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Dec
1969

This paper focuses on the lifetime prevalence of mental disorders in individuals with Turkish migration backgrounds in Germany, as there is a lack of reliable epidemiological data on this subject.
In total, 662 adults with Turkish migration backgrounds were interviewed in Hamburg and Berlin by trained, bilingual interviewers using the computerized Composite International Diagnostic Interview (CIDI DIA-X Version 2.8) to assess diagnoses according to the DSM-IVTR.

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Mar
2017

Burden and Rehabilitation Goals of Families in Pediatric-oncological Rehabilitation Survival rates of childhood cancer patients increased during the past years up to 80 %. Therefore, pediatric oncological rehabilitation is essential for reintegrating children with cancer into normal life. We performed an analysis of the current state in pediatric oncological rehabilitation with regards to the impairments of the participants and results in rehabilitation.

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Mar
2017

Burden of Parents of Pediatric Cancer Patients in Pediatric-oncological Rehabilitation All family members experience high burden in case of paediatric cancer. Family-oriented rehabilitation (FOR) aims to improve the physical and mental situation of the families. We investigated anxiety and depression (HADS) and cancer-related burden of parents (n = 69) before and after FOR and analysed its association with quality of life of the ill children.

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Dec
1969

The concept of family functioning is gaining importance in psycho-oncology research and health care services. The Family Assessment Device (FAD) is a well-established measure of family functioning. Psychometric properties inherent in the German 51-item adaptation of the FAD are examined in different samples of families with parental cancer.

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Apr
2017

Despite the life-threatening character of allogeneic hematopoietic stem cell transplantation (allogeneic HSCT), very few longitudinal research exists on posttraumatic stress disorder (PTSD) symptomatology in this patient group. We investigated prevalence, temporal course and predictors of PTSD symptomatology in this population.
Patients were assessed before conditioning (T0), 100 days (T1), and 12 months after HSCT (T2).

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Aug
2017

In this prospective multicenter study, we investigated cancer-and-treatment-specific distress (CTXD) and its impact on symptoms of posttraumatic stress disorder (PTSD) in patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT).
Patients were consulted before (T0, N = 239), 3 (T1, N = 150), and 12 months (T2, N = 102) after HSCT. Medical (eg, diagnosis and pretreatment) and demographic information, CTXD and PTSD (PCL-C) were assessed.

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Dec
1969

Psychological problems are common in cancer patients. For the purpose of planning psycho-oncological interventions and services tailored to the specific needs of different cancer patient populations, it is necessary to know to what extent psychological problems meet the criteria of mental disorders. The purpose of this study was to estimate the 12-month and lifetime prevalence rates of mental disorders in cancer patients.

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Dec
2016

The increasing volume of biomedical data in chemistry and life sciences requires the development of new methods and approaches for their handling. Here, we briefly discuss some challenges and opportunities of this fast growing area of research with a focus on those to be addressed within the BIGCHEM project. The article starts with a brief description of some available resources for "Big Data" in chemistry and a discussion of the importance of data quality.

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Dec
1969

Parents with cancer are concerned about the impact of their disease on their children. However, parenting concerns and associated factors in cancer survivors have not previously been analyzed. The purpose of this study is to examine parenting concerns and to test a path model for understanding parenting concerns in cancer survivors.

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Apr
2017

Although one-third of cancer patients are perceived to have a need for psychological support based on the percentage of mental disorders, little is known about the actual utilization of psychological care in cancer. We aimed to assess cancer patients' reported use of psychological care and its correlates in a large, representative sample.
In a multicenter, cross-sectional study in Germany, 4020 cancer patients (mean age 58 years, 51% women) were evaluated.

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Mar
2017

Case management (CM) programs are intended to improve care coordination for cancer patients. This quasi-experimental, controlled study evaluated whether such a program was effective in improving health-related quality of life and reducing the psychological distress of breast cancer patients.
For the study, 126 patients with CM and 118 patients with treatment as usual (TAU) were surveyed at baseline, a 6-month follow-up and a 12-month follow-up.

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Apr
2016

This study examined symptom change trajectories during inpatient psychotherapy and the association of these changes with long-term outcomes. In an observational multicenter study, weekly measurements of symptom severity were performed during inpatient treatment and 6 months after discharge. The symptom severity was measured using the 18-item scale of the Hamburg Modules for the Assessment of Psychosocial Health.

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Dec
1969

A radical prostatectomy might lead to an impaired quality of life. Aim of the study was to analyse the impact of inpatient and outpatient rehabilitation on psychosocial and physical outcomes in patients after surgery.
Six hundred nineteen inpatients and 95 outpatients, treated for localized prostate cancer by prostatectomy, completed the Hospital Anxiety and Depression Scale (HADS) and two quality-of-life questionnaires (EORTC QLQ-C30 and EORTC QLQ-PR25) at the beginning and end of rehabilitation as well as 12 months after rehabilitation.

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Feb
2016

Although elevated levels of distress are supposed to constitute a need for psychosocial support, the relation between elevated distress and need for support does not appear to be straightforward. We aimed to determine cancer patients' perceived need for psychosocial support, and examine the relation of need to both self-reported emotional distress and the interview-based diagnosis of a mental disorder.
In a multicenter, cross-sectional study in Germany, 4020 cancer patients (mean age 58 years, 51% women) were evaluated.

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Sep
2016

Although cancer patients with minor children have become more of a focus of psycho-oncological research, little is known about specific parenting concerns. Instruments to assess the concerns and worries of parents with cancer are rare. The Parenting Concerns Questionnaire (PCQ) addresses this issue.

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Dec
1969

While psychosocial distress and supportive care needs of young adult cancer patients have been increasingly studied, little knowledge exists about preferences for communicating bad news. We aimed to analyze patients' communication preferences against their actual experiences with regard to doctor-patient interactions.
We surveyed a total of 270 cancer patients with different tumor entities.

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Feb
2016

We aimed to investigate type and frequency of stressors, predominant symptom profiles, and predictors of adjustment disorders (AD) in cancer patients across major tumor entities.
In this epidemiological study, we examined 2,141 cancer patients out of 4,020 screened with the Composite International Diagnostic Interview, adaptation for oncology (CIDI-O). AD were operationalized as subthreshold disorders according to DSM-IV criteria.

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Sep
2015

[In Process Citation].

Gesundheitswesen 2015 Sep 16;77 Suppl 1:S1. Epub 2015 Sep 16.
Ulla Walter, Martina Plaumann, Silke Pawils, Guido Nöcker, Elisabeth Pott, Uwe Koch

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Jul
2015

The Cyclin-Dependent Kinases (CDKs) are the core components coordinating eukaryotic cell division cycle. Generally the crystal structure of CDKs provides information on possible molecular mechanisms of ligand binding. However, reliable and robust estimation of ligand binding activity has been a challenging task in drug design.

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Sep
2015

The need for intercultural opening of supply facilities for improving access and treatment of people with migration background is acknowledged in Germany. The purpose of the survey was to determine the current state of intercultural opening of psychosocial services in one Berlin district. 127 representatives of institutions were interviewed using a semi-structured assessment tool.

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Feb
2016

Information needs in cancer patients are high but often not fulfilled. This study aimed to examine the level of perceived information, information satisfaction, and unmet needs in a large sample of cancer patients. Further, we explored associations with emotional distress and quality of life accounting for gender.

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Nov
2015

This study aimed to examine whether depressive symptoms and performance status are independent predictors of both the physical and psychological domains of health-related quality of life (HRQoL) in cancer patients.
A sample of 4020 cancer patients (mean age 58 years, 51% women) was evaluated. Depressive symptoms were measured with the patient health questionnaire and HRQoL with the European Organisation for Research and Treatment of Cancer quality of life questionnaire core 30.

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Dec
2015

We investigated the relationship between fear of cancer recurrence (FCR), anxiety, supportive care needs, and utilization of health-care services in a mixed sample of 335 cancer patients. We used validated questionnaires including the Fear of Progression Questionnaire-Short Form (FoP-Q-SF), the General Anxiety Disorder Scale (GAD-7) and the Supportive Care Needs Survey (SCNS-SF34). Health-care services utilization was measured by a self-constructed questionnaire recording the use of 22 health and supportive care offers.

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Nov
2014

To provide the 4-week prevalence estimates of mental disorders in cancer populations.
We enrolled adult patients with cancer from in- and outpatient care facilities, using a proportional stratified random sample based on the nationwide cancer incidence in Germany. Patients who scored 9 or above on the Patient Health Questionnaire (PHQ-9) were administered to the standardized computer-assisted Composite International Diagnostic Interview for mental disorders adapted for cancer patients (CIDI-O).

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Feb
2015

Although the Occupational Stress and Coping Inventory (AVEM) questionnaire is used to assess work behaviour during occupation-related oncological rehabilitation, little is known about its psychometric characteristics in cancer patients. Therefore, we analysed the psychometric properties of the AVEM in this group.
The AVEM was administered to 477 cancer patients at the beginning of rehabilitation.

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Dec
2014

The presence of cancer and additional parental responsibilities can increase strain for individual patients as well as for their children. The construct of health-related quality of life (HRQL) is appropriate to measure a combination of physical, mental and social consequences as a result of disease. However, previous research has merely focused on symptom checklists.

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Dec
1969

Since a growing number of patients are likely to return to work (RTW) after cancer diagnosis and treatment, there is an increasing recognition of the work situation, and the physical as well as psychosocial functioning among those survivors who returned to work.
To prospectively examine Health Related quality of Life (HRQoL) and different aspects of work satisfaction in cancer survivors.
N=702 employed cancer patients (85% women) were recruited on average 11 months post diagnosis and assessed at the beginning (t_1), the end (t_2) and 12 months after cancer rehabilitation program (t_3).

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Dec
2013

We aimed to systematically summarize the empirical evidence on the 4-week-, 12-month-, and lifetime prevalence of adjustment disorders, acute and posttraumatic stress disorders as well as somatoform disorders in cancer patients. We evaluated 64 English or German language original papers and systematic reviews that assessed the prevalence of affective and anxiety disorders using structured clinical interviews published between 1995 and 2010. Adjusted prevalence rates were calculated using a random-intercept model.

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Aug
2013

The purpose of the study was to explore the association between work-related factors and not returning to work in cancer patients. The identification of any special issues contributes to the development of occupation-related rehabilitation programmes. This study focused on aspects that may be influenced by patients with the help of counselling (e.

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Jan
2014

Cheminformatics at the interface of medicinal chemistry and proteomics.

Biochim Biophys Acta 2014 Jan 21;1844(1 Pt A):156-61. Epub 2013 May 21.
Uwe Koch, Michael Hamacher, Peter Nussbaumer
Multiple factors have to be optimized in the course of a drug discovery project. Traditionally this includes potency on a single target, eventually specificity as well as the pharmacokinetic, physicochemical and the safety profile. Recently an additional dimension has been added by realizing that the therapeutic outcome of a drug is often determined not only by its activity on a single target but also by its activity profile across a variety of biological targets.

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Jun
2013

Cancer rehabilitation is a rapidly emerging and evolving medical field in both Europe and the United States, in large part because of increases in the number of cancer survivors. Although few argue with the need to restore function and quality of life to patients affected by cancer and its treatments, differences exist between European countries with regard to the funding, accessibility, and even the definition of cancer rehabilitation services. In the United States, there is tremendous variability in the provision of rehabilitation services resulting from a variety of factors, including a lack of highly trained cancer rehabilitation physicians and therapists as well as a lack of comprehensive cancer rehabilitation programs, even at the majority of top cancer centers.

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May
2013

The design of efficient ligands remains a key challenge in drug discovery. In the quest for lead-like ligands for the FK506-binding protein 51 (FKBP51), we designed two new classes of bicyclic sulfonamides to probe the contribution of conformational energy in these ligands. The [4.

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Jun
2013

Cancer patients and their minor children have been shown to experience psychological distress. The objectives of the current study were to 1) describe the need for and use of psychosocial support and 2) determine predictors of family-centered support use in patients with minor children.
A population-based sample of 1809 patients was recruited via 2 cancer registries.

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Dec
1969

Existential distress is an important factor affecting psychological well-being in cancer patients. We studied occurrence and predictors of demoralization, a syndrome of existential distress, in particular the interaction of age, gender, and curative vs. palliative treatment phase.

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Feb
2013

The EU currently lacks reliable data on the prevalence and incidence of mental disorders in older people. Despite the availability of several national and international epidemiological studies, the size and burden of mental disorders in the elderly remain unclear due to various reasons. Therefore, the aims of the MentDis_ICF65+ study are (1) to adapt existing assessment instruments, and (2) to collect data on the prevalence, the incidence, and the natural course and prognosis of mental disorders in the elderly.

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Aug
2013

Fear of cancer recurrence (FCR) or cancer progression is one of the most frequent distressing psychological symptoms in cancer patients. In contrast to anxiety disorders according to the ICD-10 or DSM-IV, FCR describes an emotional response to the real threat of a life-threatening illness. Elevated levels of FCR can become dysfunctional, causing considerable disruption in social functioning, and affect well-being and quality of life (QoL).

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Aug
2013

Returning to work often plays an important role for cancer survivors. Occupational stress may hamper a successful return to work, so cancer survivors should be given the opportunity to address occupational stress issues before returning to work. We investigated the amount of occupational stress among cancer patients and whether it is associated with their well-being, their subjective need for occupational rehabilitation and elevations in their risk of early retirement.

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Dec
1969

Children of cancer patients are at risk for developing psychological symptoms. The parental appraisal of the child's psychological condition is a key variable for the utilization of child-centred psychosocial services. This study aimed at the systematic analysis of parental appraisals of changes in the emotional condition or behaviour of their children.

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Jul
2013

Owing to its neurotoxicity, allogeneic hematopoietic stem cell transplantation (HSCT) carries risks for cognitive impairment. In this multicenter study, we prospectively evaluated cognitive functioning and its medical and demographic correlates in patients undergoing allogeneic HSCT.
A total of 102 patients were consecutively assessed prior to (T0 ), 100 ± 20 days (T1 ) after, and 12 ± 1 months (T2 ) after HSCT (61% men, 41% acute myeloid leukemia).

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