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Effect of Geriatric Intervention in Frail Elderly Patients Receiving Chemotherapy for Colorectal Cancer

ABSTRACT: GERICO is a randomized, controlled prospective trial. The aim is to investigate if frail, elderly patients with stage II-IV colorectal cancer, will profit from full comprehensive geriatric assessment and intervention before and during treatment with chemotherapy. The hypotheses are: Optimizing the health conditions and functional status of frail elderly patients who suffers from stage II-IV colorectal cancer, with geriatric intervention will lead to a higher grade of completing the planned chemotherapy and at higher dose intensity. This will also result in a higher overall survival and improve quality of life.

DISEASE(S): Colorectal Neoplasms

PROVIDER: 2213354 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Geriatric Intervention in Frail Elderly Patients With Colorectal Cancer

Project description:This is a randomized, controlled trial on frail elderly patients (aged 65+) with colorectal cancer. The patients will be randomized into two groups. The control group will receive standard surgical treatment. The intervention group will in addition go through a preoperative comprehensive geriatric assessment. The assessment will include evaluation of co-morbidity and medication, social status, nutritional status, cognition, depression and physical performance. This assessment will form basis of an individualized perioperative intervention. The main aim of the study is to see if the number of postoperative complications in this group can be reduced by a perioperative geriatric intervention. A study of inflammation markers in serum will also be performed, with focus on identifying potential biological frailty markers.

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Muscle function in fit and (pre-)frail males and females

Project description:AbstractBackground: A decreased intramuscular carnitine status with aging may contribute to frailty and fatigue, but studies are often confounded by sex-heterogeneity and lack of control groups. We hypothesize that muscle carnitine deficiency is associated with (pre-)frailty, diminished physical performance and altered mitochondrial function, possibly in a sex-dependent manner. This was tested in well-matched age groups, allowing gender-specific analyses. Methods: A cross-sectional study was performed in well-matched fit (n = 15) and (pre-)frail (n = 13) old males as well as in fit (n = 15) and (pre-)frail (n = 11) old females, using young males (n = 13) and females (n = 13) as healthy controls. In the elderly, frailty was assessed according to the Fried criteria and physical performance was determined by 400-m walk test, short physical performance battery and handgrip strength. Acylcarnitine status was assessed in muscle biopsies and blood plasma using liquid chromatography-tandem mass spectrometry. Muscle mitochondrial gene expression was analyzed. Results: Intramuscular total carnitine levels and short chain acylcarnitine levels were lower in (pre-)frail old females compared to fit old females and young females, whereas no differences were observed in males. Intramuscular short chain acylcarnitine levels were associated with low physical performance in females, even after correction for muscle mass (%), whereas in males no such association was found. The decline in short chain acylcarnitine levels in (pre-)frail old females was associated with low expression of genes involved in mitochondrial energy production and mitochondrial functionality. Conclusions: In (pre-)frail old females, intramuscular total carnitine levels and short chain acylcarnitine levels are decreased and this decrease is accompanied by reduced physical performance and low expression of a wide range of genes involved in mitochondrial function.

2023-02-04 | GSE144304 | GEO

Effect of CGA for Frail Elderly Patients Operated for Colorectal Cancer - The CRC Frailty-study

Project description:This multicentre randomized controlled trial aims to investigate whether an individualized comprehensive geriatric assessment (CGA) and care will improve postoperative results in frail elderly patients undergoing surgery for colorectal cancer. The study will take place in departments applying the ERAS-concept which is considered gold standard in colorectal surgery.

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Geriatric muscle stem cells switch reversible quiescence into senescence (Set 1; Geriatric vs. Young)

Project description:Regeneration of skeletal muscle depends on a population of adult stem cells (satellite cells) that remain quiescent throughout life. Satellite cell regenerative functions decline with aging. Here we report that geriatric satellite cells, compared to old cells, are incapable of maintaining their normal quiescent state in muscle homeostatic conditions, and this irreversibly affects their intrinsic regenerative and self-renewal capacities. We analyzed the global changes in gene expression occurring within muscle stem cells (satellite cells) in homeostatic conditions during physiological aging. Pure satellite cell populations from dissociated skeletal muscle from Young (2-3 months) and Geriatric (28-32 months) mice were isolated using a well-established flow cytometry protocol gating on integrin a7(+)/CD34(+) (positive selection) and Lin- (CD31, CD45, CD11b, Sca1) (negative selection).

2013-12-31 | E-GEOD-53724 | biostudies-arrayexpress

Transcriptomic landscape of geriatric SC after CPEB4 virus infection

Project description:We infected the geriatric SCs with CPEB4 containing adenovirus. Afterwards, we harvested total RNA for sequencing.

2023-09-26 | GSE184810 | GEO

Geriatric muscle stem cells switch reversible quiescence into senescence (Set 2; Old/Geriatric vs. Young and SAMR1 vs. SAMP8)

Project description:Regeneration of skeletal muscle depends on a population of adult stem cells (satellite cells) that remain quiescent throughout life. Satellite cell regenerative functions decline with aging and in progeric conditions. Here we report that geriatric satellite cells, compared to old cells, are incapable of maintaining their normal quiescent state in muscle homeostatic conditions, and this irreversibly affects their intrinsic regenerative and self-renewal capacities. We analyzed the global changes in gene expression occurring within muscle stem cells (satellite cells) in homeostatic conditions during physiological aging and progeria. Pure satellite cell populations from dissociated skeletal muscle from Young (2-3 months), Old (22-24 months), Geriatric (28-30 months), SAMR1 and SAMP8 mice were isolated using a well-established flow cytometry protocol gating on integrin a7(+)/CD34(+) (positive selection) and Lin- (CD31, CD45, CD11b, Sca1) (negative selection).

2013-12-31 | E-GEOD-53725 | biostudies-arrayexpress

Geriatric muscle stem cells switch reversible quiescence into senescence (Set 1; Geriatric vs. Young)

2013-12-31 | GSE53724 | GEO

Geriatric Assessment and Intervention in Older Patients Undergoing Surgery for Colorectal Cancer

Project description:The GEPOC study investigates the effect of comprehensive geriatric assessment and intervention for frail older patients (65 years or older) undergoing elective surgery for colorectal cancer. the geriatric intervention will be pre- and postoperative. included in the intervention is an exercise intervention. The main aim of the study us to see if the functional decline in this group can be reduced.

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Hydration status of geriatric patients is associated with changes of serum proteome especially of proteins involved in coagulation

Project description:Due to multifactorial reasons, such as decreased thirst and decreased total body water, elderly patients are vulnerable to dehydration. The study aims to investigate whether moderate dehydration or hyperhydration affects the blood proteome. Blood samples, medication and bioelectrical impedance analysis (BIA) details were collected from 131 geriatric patients (77 women, 54 men). Based on an evaluation by Bioelectrical Impedance Vector Analyses (BIVA) of this cohort, for each hydration status (dehydrated, hyperhydrated and control), five appropriate blood serum samples for both male and female were analyzed by LC-MS. Overall, 262 proteins for female patients and 293 proteins for male patients could be quantified. 38 proteins had significantly different abundance, showing that hydration status does indeed affect the serum proteome. Protein enrichment analysis of the affected proteins revealed “Wound Healing” and “Keratinization” as the two main biological processes being dysregulated. Especially, proteins involved in clot formation are affected by hydration status.

2023-10-24 | PXD043728 | Pride

RCT on Elderly Patients Undergoing Colorectal Cancer Surgery With Enhanced Geriatric Care

Project description:This study evaluates the effects of enhanced geriatric input on elderly patients undergoing colorectal cancer surgery. Half of the participants will received additional pre, peri and post-operative care from the geriatric team, while the other half will receive standard surgical care.

| 2183011 | ecrin-mdr-crc

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