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Sponsored by: |
Faculdade de Medicina do ABC |
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Information provided by: | Faculdade de Medicina do ABC |
ClinicalTrials.gov Identifier: | NCT00383409 |
Multivitamins (MVi) are broadly used by cancer patients to improve overall health and energy. Fatigue is a common symptom in cancer patients including those receiving radiation therapy. We conducted a trial of MVi versus placebo in patients with breast cancer (BC) undergoing radiation therapy (Rxt) to evaluate if MVi would affect fatigue and quality of life. We randomized patients at the beginning of Rxt treatment to either placebo or Centrum Silver® (Wyeth-Whitehall laboratory). At the middle of the radiation treatments patients were switched from placebo to MVi and vice versa. Patients answered to the EORTC QLQ C-30 quality of life (QOL) and Chalder Fatigue Questionnaires at the beginning, the time of switching and at the end of Rxt. We found that both groups experienced significant decreases in general and physical fatigue at the end of the course of placebo compared to the assessment prior to this treatment. We also observed significant improvements in functional and symptoms in the patients on placebo. When we compared different groups of patients we also observed significantly lower rates of physical and general fatigue in the patients who had just finished a course of placebo as compared to patients finishing course of MVi. We conclude that MVi do not improve radiation related fatigue, and may in fact have a deleterious effect on fatigue and decrease QOL in patients with BC undergoing Rxt.
Condition | Intervention | Phase |
---|---|---|
Breast Cancer |
Drug: multivitamins Drug: placebo |
Phase II |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double-Blind, Placebo Control, Crossover Assignment, Safety/Efficacy Study |
Official Title: | Multivitamins do Not Improve Radiation Therapy Related Fatigue: Results of a Double-Blind Randomized Cross-Over Trial |
Estimated Enrollment: | 40 |
Study Start Date: | March 2006 |
Estimated Study Completion Date: | August 2006 |
Multivitamins (MVi) are broadly used by cancer patients to improve overall health and energy. Fatigue is a common symptom in cancer patients including those receiving radiation therapy. We conducted a double blind randomized cross-over trial of MVi versus placebo in patients with breast cancer (BC) undergoing radiation therapy (Rxt) to evaluate if MVi would affect fatigue and quality of life. We randomized forty patients at the beginning of Rxt treatment to either placebo or Centrum Silver® (Wyeth-Whitehall laboratory). At the middle of the radiation treatments patients were switched from placebo to MVi and vice versa. Patients answered to the EORTC QLQ C-30 quality of life (QOL) and Chalder Fatigue Questionnaires at the beginning, the time of switching and at the end of Rxt. When we analyzed the same group of patients throughout the treatment periods, we found that both groups experienced significant decreases in general (p = 0.009; p = 0.001) and physical fatigue scores (p = 0.031; p = 0.029) at the end of the course of placebo compared to the assessment prior to this treatment. We also observed significant improvements in functional (p = 0.026) and symptoms (p = 0.016) score scales of the QOL questionnaire in the patients on placebo. No significant changes were elicited with the use of MVi. When we compared different groups of patients we also observed significantly lower rates of physical and general fatigue in the patients who had just finished a course of placebo as compared to patients finishing course of MVi (0 vs 25% p = 0.035 for both types of fatigue). We conclude that MVi do not improve radiation related fatigue, and may in fact have a deleterious effect on fatigue and decrease QOL in patients with BC undergoing Rxt. Further studies are needed to confirm our findings.
Ages Eligible for Study: | 18 Years to 75 Years |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Study ID Numbers: | 199/2005 |
Study First Received: | October 2, 2006 |
Last Updated: | October 2, 2006 |
ClinicalTrials.gov Identifier: | NCT00383409 History of Changes |
Health Authority: | Brazil: National Committee of Ethics in Research |
breast cancer fatigue multivitamins |
Fatigue Skin Diseases Breast Neoplasms Breast Diseases |
Neoplasms Neoplasms by Site Skin Diseases Breast Neoplasms Breast Diseases |