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Effect of Gene Polymorphisms on the Pathogenesis of Cancer Cachexia

Cairo University (CU) logo

Cairo University (CU)

Status

Unknown

Conditions

Cancer Cachexia

Treatments

Genetic: Pharmacogenetic testing

Study type

Observational

Funder types

Other

Identifiers

NCT04131478
PT (2387)

Details and patient eligibility

About

Cachexia not only directly increases the morbidity and mortality, it also aggravates the side effects of chemotherapy and reduces the overall quality of life that is often considered the major and direct cause of morbidity of a large proportion (>40%) of cancer patients. Individuals with upper gastrointestinal tumors have the highest rate of developing cachexia associated complications. Chemical and physical signals render an environment conducive for disuse and untenable for proper muscle function leading to wasting.

Till now, several functional single-nucleotide polymorphisms (SNPs) within TNF-α gene have been identified and described as cancer related genetic alterations.

Full description

Cachexia is a devastating syndrome that is observed in the majority of end stage cancer patients. Primary symptoms of cancer cachexia comprise of progressive loss in weight and exhaustion of host skeletal muscle tissue as well as adipose tissue reserves.

Cancer cachexia is defined as a multifactorial syndrome, characterized by anorexia as well as diminished body weight, loss of skeletal muscle, and atrophy of adipose tissue (Fearon et al., 2011). Specifically, weight loss of more than 5% over 6 months span in previously healthy individuals or more than 2% in subjects with depletion of current body weight (BMI less than 20 kg/m2) or in individuals with reduced appendicular muscle index (males less than 7.26 kg/m2 and females less than 5.45 kg/m2) constitute the diagnosis of cancer cachexia.

Among potential mechanisms involved in the development of cachexia, the primary initial process is probably the systemic inflammatory response followed by increased production of pro-inflammatory cytokines, such as TNF-α. Multiple biological activities of TNF-α were found in numerous physiological states, including the regulation of cell differentiation, proliferation, apoptosis and metabolism .

Enrollment

150 estimated patients

Sex

All

Ages

18 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Patients with medical diagnosis of cancer (eg, lung, pancreas, gastric, biliary, small intestine, or colorectal) Locally, advanced or metastatic cancer scheduled for the first line cytotoxic chemotherapy were eligible for inclusion. Patients who were starting or continuing chemotherapy at the time of screening for participants
  • The duration was set based on standard period of first line chemotherapy
  • Age of 18 years to 80 years
  • Written informed consent of the subject to participate in the study

Exclusion criteria

  • Planned to have surgical procedures at the time of recruitment
  • Underwent surgery during the study or in the month prior to the study and did not have chemotherapy scheduled postsurgery
  • Had any comorbidities that could affect the interpretation of study findings (eg, HIV, AIDS, Alzheimer's disease, movement disorder, acute myocardial infarction within last 3 months, hepatitis)
  • Had open burn sites or infected wounds
  • Were diagnosed with esophageal cancer with a swallowing difficulty in mechanical nature
  • Had an uncorrected, mechanical digestive obstruction
  • Pregnant or nursing women
  • Disorders associated with change in micro RNA (miR-155) level (Rheumatic Arthritis, Osteoarthritis, Atopic Eczema, Down Syndrome, Breast cancer, Endometrioid adenocarcinoma, AML, CLL, PC thyroid tumors)
  • Inflammatory and autoimmune diseases (Multiple Sclerosis, Psoriasis and Systemic Lupus Erythematous)

Trial design

150 participants in 2 patient groups

Cases
Description:
Cachectic lung, pancreas, or colon cancer patients.
Treatment:
Genetic: Pharmacogenetic testing
Control
Description:
Non- cachectic lung, pancreas, or colon cancer patients.
Treatment:
Genetic: Pharmacogenetic testing

Trial contacts and locations

1

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Central trial contact

Rana M. Yehia, MSc

Data sourced from clinicaltrials.gov

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