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Glutamine

15 g Maltodextrin for 28 days after surgery with tolerable oral intake or enteral feeding

10 g glutamine +5 g Maltodextrin for 28 days after surgery with tolerable oral intake or enteral feeding

oral glutamine

Maltodextrin

Jin-Ming Wu, MD

Glutamine has the potentials of immunomodulation and adjustment of protein metabolism. The primary objective of this study is to evaluate the efficacy of glutamine on sarcopenia in gastric adenocarcinoma patients undergoing gastrectomy. The secondary endpoints, including the physical activity, weight loss, and nutritional profiles, will be evaluated among these patients.

This will be a double-blind, randomized, and placebo-controlled study. At least 80 evaluable patients who are scheduled for gastrectomy for gastric adenocarcinoma cancer will be randomly assigned to the control or treatment group. Each group will have at least 40 patients. The CT scan will be evaluated before surgery and on postoperative day (POD) 90. Moreover, the patient will wear the smart watch to record daily walking steps. Laboratory data will be check before gastrectomy and on POD 90.

Oral Supplementation of Glutamine on Gastric Cancer Patients After Gastrectomy

the average daily walking steps recorded by the wearable devices

National Taiwan University Hospital

Jin-Ming Wu, Clinical Associate Professor & PhD

Head and Neck Neoplasms

intake of 5g glutamine and 10g maltodextrin. Oral glutamine is a food additive issued by food and drug government in Taiwan with number 009929.L-Glutamine and maltodextrin are both nutritional supplements. In the glutamine arm: 10 g L-Glutamine and 5 g maltodextrin.

The patients take their supplements three times a day during the period: 7 days before radiotherapy to 14 days after radiotherapy.

intake of 15g maltodextrin. The patients take their supplements three times a day during the period: 7 days before radiotherapy to 14 days after radiotherapy.

L-Glutamine and maltodextrin are both nutritional supplements. In the glutamine arm: 10 g L-Glutamine and 5 g maltodextrin. The patients take their supplements three times a day during the period: 7 days before radiotherapy to 14 days after radiotherapy.

in the placebo arm: 15 g maltodextrin. The patients take their supplements three times a day during the period: 7 days before radiotherapy to 14 days after radiotherapy.

placebo

All patients undergo radiotherapy. 5 days a week. All patients had a dental evaluation for good oral hygiene prior to computed tomography simulation for radiotherapy. Post-operative patients received planned course of adjuvant treatment of 60 to 66 Gy in 2-Gy fractions to the surgical bed. The course of radiation was initiated no more than 6 weeks after resection. Patients without operation received definitive treatment to 70 Gy in 2-Gy fractions.

Radiotherapy

The rapidly increasing mortality and incidence of oral cancer has become a public health major problem in Taiwan. To date, the treatment of head and neck cancer mainly include surgery, radiotherapy and chemotherapy. However, radiotherapy and chemotherapy might have an influence on the patients' diet by causing dismal side effects, including nausea, vomiting, pain, infection, dysorexia, allotriogeustia, oral ulceration and dysphagia, which make the patients more difficult to absorb nutrients. In the previous study, the incidence of malnutrition among the patients with cancer has been estimated at between 40 and 80%, especially occurred in the patients with head and neck cancers and upper gastrointestinal cancers.

In this study, the effect of supplement with L-Glutamine on the nutritional status and radiation-induced toxicity of head and neck cancer patients will be evaluated to improve the patients' quality of life when they are undergoing radiotherapy. When the head and neck cancer patients undergoing radiotherapy, patients' instructions and nutrient intervention of L-Glutamine are performed to maintain the patients' nutritional status and reduce the patients' diet-related or other side effects caused by radiotherapy. It is anticipated that head and neck cancer patients with surgery and radiotherapy intake with L-Glutamine might decrease treatment-related side effects and hence improve their quality of life when they are undergoing radiotherapy.

1. Written informed consent must be obtained before any study specific procedures are undertaken.
2. The process of the experiment A. head and neck cancer patients with surgery and radiotherapy are identified in clinic at the Department of Dentistry and the Department of Radiotherapy in Kaohsiung Medical University Chung-Ho Memorial Hospital.

B. Inform these patients about the value of this clinical trial in detail, and make sure that they understand all the meanings of each procedure in this clinical trial. Subsequently, the patients who are willing to participate in this study are enrolled after completing institutionally approved informed consent.

C. In order to assess the effect of supplement with L-Glutamine on the nutritional status and diet of head and neck cancer patients with surgery and radiotherapy, the enrolled patients will be divided into two groups randomly. One group is supplied with 10 g L-Glutamine and 5 g maltodextrin; the other group is supplied with 15 g maltodextrin as control group. The patients of these two groups take their supplemental nutrients three times a day, respectively, in a period of time of 7 days before radiotherapy to 14 days after radiotherapy.

D. Meanwhile, the research assistants will monitor the patients' condition carefully by recording their daily diet, nutritional status and side effects caused by radiotherapy at three specific time-points during the whole clinic trial program course.

E. The monitor items of patients' nutritional status include the daily diet of patients before and after radiotherapy by recording 24 hr recall table and food frequency table,(b) the physical examination of height, weight, ideal weight, tricept skinfold (TSF), mid-arm circumference (MAC) and mid-arm muscle circumference (MAMC), (d) prognostic nutritional index (PNI), (e) biochemistry inspection assessment and (g) complete blood count (CBC).

F. The monitor items of patients' diet-related side effects caused by radiotherapy include (a) oral mucositis and (b) neck dermatitis.

G. The above-mentioned monitor items will be recorded carefully by the research assistants at three specific time-points during the whole clinic trial program course, which are initial point (7 days before radiotherapy), medium point (medium date during radiotherapy) and final point (14 days after radiotherapy).

H. The research assistants will help the patients make an appointment, and let them visit the doctor on schedule. And make sure the patients actually follow up the suggestions and obey the instructions during the clinic trial.

Effects of Oral L-Glutamine in Head and Neck Cancer Patients During Radiotherapy

Impacts of Oral Supplement With L-Glutamine on the Radiation-induced Toxicity and Nutritional Status of Head and Neck Cancer Patients Under Radiotherapy

Oral mucositis and radiation-induced dermatological toxicity were evaluated during and after treatment using the National Cancer Institute Common Toxicity Criteria version 3.0 (CTCAE v.3). The scoring was done as the patients went through the treatment by the attending physicians. Post-operative patients received planned course of adjuvant treatment of 60 to 66 Gy in 2-Gy fractions to the surgical bed. Patients without operation received definitive treatment to 70 Gy in 2-Gy fractions.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization
Oral Supplementation of Glutamine on Gastric Cancer Patients After Gastrectomy	NCT06027242	Gastric Cancer Immunonutrition Gastrostomy	oral glutamine Maltodextrin	20 Years -	National Taiwan University Hospital
Effects of Oral L-Glutamine in Head and Neck Cancer Patients During Radiotherapy	NCT03015077	Head and Neck C...	oral glutamine placebo Radiotherapy	20 Years - 75 Years	Kaohsiung Medical University Chung-Ho Memorial Hospital
Oral Supplementation of Glutamine on Gastric Cancer Patients After Gastrectomy	NCT06027242	Gastric Cancer Immunonutrition Gastrostomy	oral glutamine Maltodextrin	20 Years -	National Taiwan University Hospital

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