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This study determines whether high dose vitamin C is effective for quality of life in terminal cancer patients.
The investigator's project is a single medical center, randomized double- blinded trial. The target group is terminal cancer patients at Palliative care clinics. The experimental group will receive intravenous high-dose vitamin C 30 g in 500 ml normal saline in 1-hour infusion, once per week, and total 4-week treatment. The control group will receive 500 ml normal saline in 1-hour infusion, once per week, and total 4-week treatment. The primary outcome is the improvement of quality of life, measured by European Organization for Research and Treatment of cancer (EORTC). The secondary outcome is the survival analysis.The participants will be followed up weekly for 2 weeks, then bi-weekly for 6 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| The study group | Experimental | The study group will receive intravenous high-dose vitamin C 30 gm in 500 ml normal saline in 1-hour infusion, once per week, and total 4-week treatment. |
|
| The control group | Placebo Comparator | The control group will receive 500 ml normal saline in 1-hour infusion, once per week, and total 4-week treatment. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| high-dose vitamin C 30gm | Drug | High-dose vitamin C 30 gm in 500 ml normal saline, once per week, and total 4-week treatment. |
|
| Measure | Description | Time Frame |
|---|---|---|
| The improvement of quality of life (QOL) | QOL measured by European Organization for Research and Treatment of cancer Quality of Life Questionnaire (EORTC QLQ)-C30 | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Survival analysis | death time of those who have completed the 4-week intervention | 6 months |
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Inclusion Criteria:
-Terminal colon cancer patients without pleural effusions, who will not receive any curative radiotherapy or chemotherapy.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Chin-Ying Chen, MD, MHSc | Contact | 886-2-23123456 | 66828 | crystalcychen@ntu.edu.tw |
| Name | Affiliation | Role |
|---|---|---|
| Chin-Ying Chen, MD, MHSc | National Taiwan University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Taiwan University Hospital | Taipei | Taiwan |
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| ID | Term |
|---|---|
| D001206 | Ascorbic Acid Deficiency |
| ID | Term |
|---|---|
| D001361 | Avitaminosis |
| D003677 | Deficiency Diseases |
| D044342 | Malnutrition |
| D009748 | Nutrition Disorders |
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| ID | Term |
|---|---|
| D000077330 | Saline Solution |
| ID | Term |
|---|---|
| D000077324 | Crystalloid Solutions |
| D007552 | Isotonic Solutions |
| D012996 | Solutions |
| D004364 | Pharmaceutical Preparations |
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Parallel Assignment Randomized double-blinded controlled trial
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double-blinded
| normal saline | Other | 500ml normal saline, once per week, and total 4-week treatment |
|
| D009750 |
| Nutritional and Metabolic Diseases |