The Association between Postdiagnosis Dietary Supplement Use and Total Mortality Differs by Diet Quality among Older Female Cancer Survivors

Inoue-Choi, Maki; Greenlee, Heather; Oppeneer, Sarah J.; Robien, Kim

doi:10.1158/1055-9965.epi-13-1303

Cited by 21 publications

(59 citation statements)

References 45 publications

(48 reference statements)

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“…Several investigators have examined the relationship between MVM supplements and cancer 9 – 23 . The Physician's Health Study II—a large prospective double‐blind primary prevention trial—randomized middle‐age male physicians (N = 14,641) from 1997 to 2011 to either a MVM supplement (Centrum Silver) or placebo 10 .…”

Section: Multivitamin/mineral Supplementsmentioning

confidence: 99%

“…Therefore, it is difficult to sort out whether the multivitamins and/or a healthy lifestyle promoted the beneficial findings, given that using multivitamins was not found to provide any protection to women with unhealthy lifestyle practices, although taking multivitamin supplements was not associated with any risks. Alternatively, in the Iowa Women's Health study, Inoue‐Choi et al found that mortality risk was 2.3 times higher with the use of folic acid supplements and 28% greater among multivitamin users, with a trend toward a greater risk for dying when an increasing number of supplements were used by cancer survivors with poor diet‐quality scores 23 . A trend for lower mortality risk was observed with higher diet‐quality scores and multivitamin use, as well as the use of a greater number of dietary supplements, highlighting perhaps the role of dietary quality in affecting outcomes.…”

Section: Multivitamin/mineral Supplementsmentioning

confidence: 99%

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Dietary Supplements Commonly Used by Cancer Survivors: Are There Any Benefits?

Marian

2017

Nut in Clin Prac

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Following a cancer diagnosis, dietary supplements are reportedly used by 20%-80% of individuals. Supplements are most commonly used by breast cancer survivors, followed by patients with prostate, colorectal, and lung cancers, which is not surprising since these are the most common types of cancer diagnosed in adults. Reasons cited for such use include improving quality of life, reducing symptoms related to treatment and/or the disease process, and recommendation from medical practitioners; family and friends may also be an influence. However, controversy surrounds the use of dietary supplements, particularly during treatment-specifically, whether supplements affect treatment efficacy is unknown. This article discusses the evidence related to common dietary supplements used to prevent cancer or a recurrence.

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Section: Multivitamin/mineral Supplementsmentioning

confidence: 99%

Section: Multivitamin/mineral Supplementsmentioning

confidence: 99%

Dietary Supplements Commonly Used by Cancer Survivors: Are There Any Benefits?

Marian

2017

Nut in Clin Prac

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“…It is estimated that 79–85% of cancer survivors take vitamin or mineral supplementation, often without disclosing this information to their providers [ 101 – 103 ]. Of concern, an analysis of dietary supplements found that many supplements contain unlisted ingredients or banned pharmaceutical ingredients [ 32 , 104 ] which could be potentially toxic to patients.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of How Integrative Oncology Services Are Valued between Hematology/Oncology Patients and Hematologists/Oncologists at a Tertiary Care Center

Hansra

McIntyre

Ramdial

et al. 2018

Evidence-Based Complementary and Alternative Medicine

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Evidence regarding opinions on integrative modalities by patients and physicians is lacking. Methods. A survey study was conducted assessing how integrative modalities were valued among hematology/oncology patients and hematologists and oncologists at a major tertiary medical center. Results. 1008 patients and 55 physicians were surveyed. With the exception of support groups, patients valued nutrition services, exercise therapy, spiritual/religious counseling, supplement/herbal advice, support groups, music therapy, and other complimentary medicine services significantly more than physicians (P ≤ 0.05). Conclusion. With the exception of support groups, patients value integrative modalities more than physicians. Perhaps with increasing education, awareness, and acceptance by providers and traditional institutions, integrative modalities could be equally valued between patients and providers. It is possible that increased availability and utilization of integrative oncology modalities at tertiary hospital sites could improve patient satisfaction, quality of life, and other clinical endpoints.

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“…The high contribution of DS to total nutrient intake highlights the importance of taking this source of intake into consideration both in clinical practice and in nutritional epidemiological studies. Few studies have provided detailed information about total micronutrient intake from food and supplements in cancer survivors ( 19 , 52 ) . Compared to DS users in the American Women's Healthy Eating and Living Study ( 19 ) , DS users in the present study had a lower total daily intake for almost all micronutrients, except for vitamin D, folate, Ca and Mg, which were similar in intake amount.…”

Section: Discussionmentioning

confidence: 99%

Dietary supplement use among cancer survivors of the NutriNet-Santé cohort study

et al. 2015

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Dietary supplements (DS) may influence cancer prognosis. Their use in cancer patients has been described in the United States, but data are largely lacking in Europe and notably in France. The present study's objectives were (1) to assess DS use and its sociodemographic, lifestyle, and dietary correlates in a large sample of French cancer survivors; (2) to evaluate the involvement of physicians in such DS use; and (3) to assess the extent of potentially harmful practices. Data were collected by self-administered web-based questionnaires among participants of the NutriNet-Santé cohort. Data on DS use was available for 1081 cancer survivors. DS users were compared to nonusers with unconditional logistic regressions. DS use was reported by 62 % of women and 29 % of men. Vitamins D, B 6 , C and Mg were the most frequently consumed nutrients. 14 % of cancer survivors initiated DS use after diagnosis. For 35 % of the DS consumed, subjects did not inform their attending physician. DS use was associated with a healthier lifestyle (normal weight, never smoking and better diet) and substantially contributed to nutrient intake. 18 % of DS users had potentially harmful DS use practices, such as the simultaneous use of vitamin E and anticoagulant/antiplatelet agents, the use of b-carotene and smoking or the use of phyto-oestrogens in hormonedependent cancer patients. The present study suggests that DS use is widespread among cancer survivors, a large amount of that use is performed without any medical supervision and a substantial proportion of that use involves potentially harmful practices. Physicians should be encouraged to more routinely discuss DS use with their cancer patients. Key words: Dietary supplements: Motivations: Correlates: Cancer survivorsWhen disconcerted by their illness and disappointed by traditional medicine, cancer patients can move towards complementary and alternative medicines, including the use of dietary supplements (DS). However, the impact of DS on cancer prognosis, risk of recurrence and risk of second cancer remains unclear (1) . Although the beneficial effects of DS taken during or after cancer treatment are not excluded (2 -4) , several studies have reported adverse effects of some DS on cancer prognoses (1,5 -8) . Presently, it is recommended that phyto-oestrogen DS should be avoided with hormone-dependent cancer patients (6,9) . Similarly, b-carotene DS should not be used with cancer patients or with healthy people who are smokers (10 -12) . In addition, studies haveshown that some vitamin/mineral or herbal DS may interact with anti-cancer or other active treatments (9,13 -15) . This may be particularly problematic if attending physicians have no knowledge of the self-medication practices in their patients. According to a recent review of US studies, 56 -68 % of physicians are not aware of DS use among their cancer patients (16) . In this context, it is essential to assess DS use and its correlates in cancer patients and survivors. Such observational studies have been published...

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The Association between Postdiagnosis Dietary Supplement Use and Total Mortality Differs by Diet Quality among Older Female Cancer Survivors

Cited by 21 publications

References 45 publications

Dietary Supplements Commonly Used by Cancer Survivors: Are There Any Benefits?

Dietary Supplements Commonly Used by Cancer Survivors: Are There Any Benefits?

Evaluation of How Integrative Oncology Services Are Valued between Hematology/Oncology Patients and Hematologists/Oncologists at a Tertiary Care Center

Dietary supplement use among cancer survivors of the NutriNet-Santé cohort study

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