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This study aims to investigate if the proportion of neuroendocrine tumor (NET) patients with normal vitamin values can be increased, with vitamin suppletion and a personalized diet, Effects of the intervention will be evaluated by quantitative analysis of blood and urine and questionnaires. The measurements, will be performed at baseline (t=0), after 4 weeks (t=4) and after 18 weeks at end of study (t=18). Furthermore at t=18 a semi-qualitative interview will be performed.
Objective:
This study aims to investigate if the proportion of NET patients with normal vitamin values can be increased, with vitamin suppletion and a personalized diet.
Methods:
This is a single center 18-week open-label, non-comparative, single-arm, intervention study. After inclusion and the first measurements, adult patients with metastasized or irresectable NET will continue with four weeks of standard treatment. After these four weeks participants with vitamin values below normal will get vitamin suppletion for each deficient vitamin and all participants will get the dietary intervention during 14 weeks. Effects of the intervention will be evaluated by quantitative analysis of blood and urine and questionnaires. The measurements, including; baseline characteristics, quantitative analysis of blood and urine and questionnaires will be performed at baseline (t=0), after 4 weeks (t=4) and after 18 weeks at end of study (t=18). Furthermore at t=18 a semi-qualitative interview will be performed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Vitamin supplement and diet advice | Experimental | Single arm. Patient be prescribed vitamin supplement if vitamin deficiencies are diagnosed and will get diet advice |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vitamin supplement; | Dietary Supplement | Vitamin K, vitamin A, vitamin D, vitamin E, nicotinamide, vitamin B12 |
|
| Measure | Description | Time Frame |
|---|---|---|
| the change in the proportion of patients with normal vitamin values | the change in the proportion of patients with normal vitamin values measured with quantitative analysis of blood and urine | 18 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| nutrition state | As measured with the total score with Patient-Generated Subjective Global Assessment (PG/SGA). | 18 weeks |
| distress | measured by the distress thermometer and problem list |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Annemiek ME Walenkamp, MD, PhD | University Medical Center Groningen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Medical Center Groningen | Groningen | 9713 GZ | Netherlands |
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| ID | Term |
|---|---|
| D018358 | Neuroendocrine Tumors |
| ID | Term |
|---|---|
| D017599 | Neuroectodermal Tumors |
| D009373 | Neoplasms, Germ Cell and Embryonal |
| D009370 | Neoplasms by Histologic Type |
| D009369 | Neoplasms |
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| ID | Term |
|---|---|
| D015596 | Nutrition Assessment |
| ID | Term |
|---|---|
| D003625 | Data Collection |
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D017531 | Health Care Evaluation Mechanisms |
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| Diet advice | Other |
|
| 18 weeks |
| problems | as measured with the problem list.(the mean of each item) | 18 weeks |
| change in quality of life | determined by the QLQ-GINET21 (a NET-specific EORTC quality of life questionnaire) and the cancer-specific EORTC QLQ-C30, | 18 weeks |
| difference in the self-reported healthy eating pattern. | as measured with a self-constructed scale | 18 weeks |
| D009380 | Neoplasms, Nerve Tissue |
| D011787 | Quality of Health Care |
| D017530 | Health Care Quality, Access, and Evaluation |
| D015991 | Epidemiologic Measurements |
| D011634 | Public Health |
| D004778 | Environment and Public Health |