Complementary and alternative medicine use among cancer patients at the end of life: Korean national study

Complementary and Alternative Medicine Use in the Last Year of Life: The COMPASS Cancer Cohort Study

CONTEXT

There has been growing interest in the role of complementary and alternative medicine (CAM) as part of end-of-life care.

OBJECTIVES

This study prospectively examined the prevalence, predictors and outcomes of ingestible CAM use among cancer patients in their last year of life in Singapore.

METHODS

This study (N = 427) utilized data across 12 months (four time points) prior to patient death. Utilizing mixed effects logistic regressions, we examined sociodemographic, clinical (symptom burden) and treatment-related factors associated with CAM use. Subsequently, the association between patient quality of life (i.e., physical, social, emotional, functional well-being) and CAM use were examined.

RESULTS

Half of the patients (50%) reported using CAM at least once in the last year of life while 36% of patients reported using CAM in the last 3 months of life. Among CAM users, 67% reported using western herbal supplements while 56% reported using traditional Chinese medicine. Further, 27-28% of patients used CAM consistently (i.e., for six months or more). Most patients (73%) reported using CAM as a complementary treatment. Patients who were ethnically Chinese (OR: 5.59, 95% CI: 2.29-13.69), reported less financial difficulties (OR: 0.82, 95% CI: 0.69-0.98), and believed in other curative treatments for cancer (OR: 2.39, 95% CI: 1.00-5.70) were more likely to use CAM. Controlling for time, CAM use (β: 0.60, CI: 0.01-1.19) was associated with higher social well-being.

CONCLUSIONS

A significant proportion of terminal cancer patients reported using CAM as a complementary treatment in the last year of life.

Clinical characteristics and therapeutic behavior of breast cancer patients using mistletoe therapy consulting a clinic offering integrative oncology: a registry data analysis

MOTIVATION

Cancer patients often use complementary and/or alternative medicine, such as mistletoe therapy, alongside conventional cancer therapies. In Switzerland, so far not much is known about treatment patterns of breast cancer patients using integrative oncology. Solid knowledge on complementary care utilization may help to enhance integrative oncology care in Switzerland.

METHODS

In this exploratory, descriptive database study, we investigated the treatment pathways of a cohort of breast cancer patients who received mistletoe therapy and were documented in the cancer registry of an anthroposophic Swiss hospital offering integrative oncology treatments.

RESULTS

Patients treated with mistletoe in this cohort are in median 10 years younger than Swiss breast cancer patients as a whole. Only 5.8% of these patients were treated with mistletoe alone, while 60.5% of them supplemented chemotherapy and/or hormone therapy and/or surgery and/or radiation with mistletoe therapy. Nearly 80% of patients started conventional therapy followed by additional mistletoe therapy or started mono mistletoe therapy after completion of conventional therapies. The median time from initial diagnosis to hospital admission (inpatient and/or outpatient) was less than one year. Almost ¾ of the patients were treated in an outpatient setting only.

CONCLUSION

From our data, it appears that younger breast cancer patients are more likely to use mistletoe therapy simultaneously with or following their conventional medical therapies. The extent to which these patients discuss their mistletoe therapy and eventually other complementary and/or alternative therapies with their primary oncologists is not clear from the data. We therefore recommend that (Swiss) oncologists should openly discuss the desire for integrative oncology therapies, especially with their younger breast cancer patients, in order to find the best holistic care pattern for these patients.

Communication Between Cancer Patients and Physicians About Complementary and Alternative Medicine: A Systematic Review

Objectives: Complementary and alternative medicine (CAM) has become increasingly popular among cancer patients and is often used concomitantly with standard cancer therapies. Nonetheless, disclosure of CAM utilization by cancer patients to physicians, along with the provision of information on CAM therapies by physicians, is poor. This review explores the literature to synthesize existing information on communication about CAM usage, reasons for nondisclosure, and the clinical implications thereof. Methods: A search of medical literature published between December 1, 2009, and October 1, 2021 (last searched on April 18, 2022), on communications between physicians and cancer patients about CAM treatments was conducted through MEDLINE and EMBASE. Results were screened for inclusion, dually reviewed, and assessed using the QualSyst quality appraisal instrument. Findings were categorized and synthesized for review. Results: A total of 30 articles were located (n = 8721 total participants), which discussed elements related to patient disclosure of CAM use (n = 16), provider experiences or perceptions related to communication about CAM (n = 3), patterns of this communication (n = 6), and recommendations for effectively discussing CAM with cancer patients (n = 5). Reports indicate that nondisclosure is common throughout the cancer care spectrum. Factors influencing nondisclosure range from patient beliefs and attitudes about their provider, demographic characteristics, disease progression, physician-patient relationship, physician noninquiry, and type of CAM used; ultimately creating a gap in care that may have serious medical implications. Discussion: Many of the studies identified are small and confined to a single-center, hospital-network, or geographic setting, thereby limiting the applicability of findings and recommendations. Nonetheless, improving patient-physician communication is essential in delivering evidence-informed, patient-centered care and crucial for achieving patient satisfaction and positive health outcomes. The lack of adequate CAM dialogue about CAM use increases the risk of adverse interactions with conventional cancer treatments and results in missed opportunities for providers and patients to engage in vital information exchange. Future research and education are necessary to further identify barriers surrounding patient-provider communication about CAM treatments.

Association between Complementary and Alternative Medicine Use and Fear of Cancer Recurrence among Breast Cancer Survivors

Background

This study aimed to evaluate the association between complementary and alternative medicine (CAM) use and fear of cancer recurrence (FCR) among breast cancer survivors, using a validated multidimensional FCR-assessing instrument. Despite the debate over its medical effects, the use of CAM in breast cancer survivors is increasing.

Methods

We recruited 326 breast cancer survivors who had completed the primary cancer treatment. Information on CAM use was obtained using a self-administered questionnaire, and FCR was assessed using the Korean version of the FCR Inventory (FCRI). Multivariate linear regression analysis was performed to evaluate the association between CAM use and FCR.

Results

CAM users had higher total FCR scores than CAM non-users after covariate adjustment (CAM users: 74.6 vs. CAM non-users: 68.7; P=0.047). Among the FCRI subscales, CAM users showed higher coping strategy scores (CAM users: 22.3 vs. CAM non-users: 20.6; P=0.034) in the multivariable adjusted analysis. The use of multiple types of CAM was associated with increased FCR in a dose-dependent manner (P=0.002).

Conclusion

Breast cancer survivors who used CAM had a higher FCR than CAM non-users. The dose-response relationship between the use of multiple types of CAM and FCR suggests that breast cancer survivors who use multiple types of CAM should be provided with appropriate psychological interventions to decrease FCR.

The Use of Herbal Therapy to Improve the Quality of Life among Cancer Patients in the Southern Region of Peninsular Malaysia

Objective:

To investigate the impact of herbal therapy on the quality of life (QoL) among cancer patients and to evaluate the relationship of QoL with age, gender, cancer stage, cancer type, and history of conventional treatment.

Methodology:

A prospective study was targeted on cancer patients receiving herbal therapy from a Traditional and Complementary Medicine (T&CM) clinic in a public hospital from 1st January 2016 to 31st August 2018. The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTCQLQ-C30) was distributed to the patients prior to herbal therapy (baseline) and after the sixth and twelfth week of herbal therapy. Socio-demographic and clinical data were collected and analyzed using SPSS version 16.

Results:

The majority of the patients were females (60.0%) and were from the Chinese ethnic group (77.4%) with a mean age of 58.72 ± 12.17 years. Approximately 42.4% of patients were in advanced cancer stages at the time of study and 60.7% of patients had undergone radiotherapy before receiving herbal therapy. The most commonly prescribed herbs were Bai Hua She She Cao (90.6%) and Zhen Ren Huo Ming Yin (57.6%). Significant differences in mean score were observed in global health status, overall functional scales, and symptom scales after the sixth and twelfth week of receiving herbal therapy. QoL in terms of global health status and overall functional scales improved with higher scores while symptom scales recorded a lower score after twelve weeks of receiving herbal therapy in the T&CM clinic. Herbal therapy has a significant effect (p < 0.05) on the improvement of QoL of cancer patients. However, gender, cancer stage, cancer type, age, history of radiotherapy, and history of chemotherapy has no effect (p > 0.05).

Conclusion:

Herbal therapy did improve the QoL of cancer patients in the southern region of Peninsular Malaysia.

Integrating Traditional and Complementary Medicine Recommendations into Clinical Practice Guidelines for People with Diabetes in Need of Palliative and End-of-Life Care: A Scoping Review

Objectives: This study was conducted before an evidence review on Traditional and Complementary Medicine (TCM) to update the clinical practice guidelines (CPGs): "Deciding palliative and end-of-life (P/EoL) care for people with diabetes." The aim was to frame the PICO (population/problems, interventions/comparisons, and outcomes), ascertain their importance, and identify other modifying factors for grading recommendations. Design: A systematic scoping review mapped information about diabetes P/EoL problems and outcomes, TCM use, provision, benefits and risks, and stakeholder preferences and values. Thirteen electronic databases were searched in 2017/18 until no new information was identified. Relevant data were extracted, rated for quality, directness, and relevance, and synthesized using triangulation methods. Excluded was diabetes prevention or treatment, as this is not an important P/EoL problem. Results: Of the 228 included articles, except for diabetes P/EoL problems, insufficient direct evidence led to data being extrapolated from either adults with diabetes or any P/EoL diagnosis. The findings affirmed that caring for people with diabetes in need of P/EoL care is complex due to multiple fluctuating needs that are influenced by the P/EoL trajectories (stable, unstable, deteriorating, terminal, or bereaved), multimorbidity, and difficult-to-manage chronic and acute problems. The only problem specific to diabetes P/EoL care, was unstable glycemia. Over 50 TCM interventions commonly used by patients and/or provided by services were identified, of which, many might simultaneously address multiple problems and 18 had been appraised in systematic reviews. Physical and psychologic symptom reliefs were most often evaluated; however, these were only one aspect of a "good death." Other important outcomes were the quality and location of care, personal agency, relationships, preparations for the dying process, spirituality, and affirmation of the whole person. Other important modifying factors included opportunity costs, affordability, availability, preferences, cultural appropriateness, and alignment with beliefs about the meaning of illness and death. Conclusions: There is a role for TCM in the multidisciplinary holistic P/EoL care of people with diabetes. Due to the paucity of evidence specific to this population, the generalizability of some of these results is broader and the updated CPG will also need to consider indirect evidence from other patient groups. Along with recommendations about indications for TCM use, the CGP should provide guidance on ceasing unnecessary interventions, reducing polypharmacy and managing unstable glycemia is required. Before ceasing a TCM, a broader risk-benefit analysis is recommended, as unlike many conventional therapies, there may be multiple benefits warranting its continuation.

The use of complementary and alternative medicine among lymphoma and cancer patients with a solid tumor: Oncology clinics at Northern and Southern Turkey

PURPOSE

This study aimed to determine the prevalence and predictors of the use of Complementary and Alternative Medicine (CAM) and to examine the differences between patients who used CAM and those who did not among those who were being treated in oncology clinics in the northern and southern regions of Turkey. In order to collect the relevant data, 288 outpatients receiving chemotherapy were selected to participate in the study.

MATERIALS AND METHODS

The research was designed as a descriptive, relational and cross-sectional study. Data was collected by the researchers using a form which had already been developed in the literature.

RESULTS

As a result of our study, we found that 33.2% of the patients had stage 4 cancer and 22.9% of them had respiratory system cancer. The most commonly used form of CAM was herbal preparations, which were used by 48.4% and around 31 species of herbs were employed. 59.1% of the patients used CAM to support their conventional treatment. The prevalence of the CAM usage was determined as 32.3%.

CONCLUSION

Even though a wide range of different forms of CAM are currently used by oncology patients in the northern and southern regions of Turkey, further cooperation with health professionals is needed to obtain better information about both CAM usage and medical treatment. Better informing patients about how best to use CAM in conjunction with medical treatment is also crucial.

Behaviors and Attitudes toward the Use of Complementary and Alternative Medicine among Korean Cancer Patients

PURPOSE

A cross-sectional survey was conducted to explore the current awareness and use of complementary and alternative medicine (CAM), as well as attitudes toward CAM, in patients with cancer and their family members in South Korea.

MATERIALS AND METHODS

Between September 21 and October 31, 2017, a 25-item questionnaire regarding CAM experiences among cancer patients and their family members was conducted in 10 oncology clinics in South Korea after institutional review board approval at each institution.

RESULTS

In total, 283/310 patients were analyzed. The median age was 60 years, and 60% were male. Most of the patients were actively receiving anticancer treatment at the time of the survey. A total of 106 patients (37%) had experienced a median of two types (interquartile range, 1 to 3) of CAM. Belief in CAM (odds ratio [OR], 3.015; 95% confidence interval [CI], 1.611 to 5.640) and duration of disease (OR, 1.012; 95% CI, 1.004 to 1.020) were independent factors for using CAM in multivariable analysis. Belief in CAM was significantly associated with current use of CAM (OR, 3.633; 95% CI, 1.567 to 8.424). Lay referral was the most common reason for deciding to use CAM, and only 25% of patients (72/283) discussed CAM with their physicians.

CONCLUSION

Patient attitudes toward and confidence in CAM modalities were strongly associated with their CAM experiences, and only a small number of patients had an open discussion about CAM with their physicians. A patient education program for CAM is needed.

An assessment of the use of complementary and alternative medicine by Korean people using an adapted version of the standardized international questionnaire (I-CAM-QK): a cross-sectional study of an internet survey

Background

In Korea, there are two types of medical doctors: one practises conventional medicine (hereafter called a physician), and the other practises traditional medicine (hereafter called a Korean medical doctor). This study aimed to compare the provision of complementary and alternative medicine (CAM) by these providers to CAM use per self-judgement in Korea.

Methods

We analysed 1668 Korean people via an internet survey with the Korean adopted version of the I-CAM-Q, namely, the International Questionnaire to measure use of CAM, to understand whether respondents used CAM based either on a prescription or advice from a physician or a Korean medical doctor or on self-judgement.

Results

In the previous 12 months, the proportions of respondents who were treated by a physician, who were treated by a Korean medical doctor and who were not treated by anyone were 67.9, 20.7 and 14.2%, respectively. Among the respondents who received CAM based on a prescription or advice from a physician, traditional Korean medicine practices and dietary supplements were commonly used; only a small percentage used other CAM therapies. Respondents who received CAM based on a prescription or advice from a Korean medical doctor showed similar results. Acupuncture and moxibustion, traditional Korean medicines (decoction), or cupping were more commonly used. Korean traditional medicines as over-the-counter (OTC) drugs were more commonly used by respondents who received CAM therapy based on a prescription or advice from a physician than by those who received CAM therapy based on a prescription or advice from a Korean medical doctor. A total of 74% of the responders used any CAM by self-judgement in the previous 12 months.

Conclusions

For the use of CAM in Korea, in addition to the Korean traditional medical care provided by Korean medical doctors, general physicians advised people regarding Korean traditional medical care and dietary supplements.

Electronic supplementary material

The online version of this article (10.1186/s12906-018-2294-6) contains supplementary material, which is available to authorized users.

Complementary and Alternative Medicine Use and Its Association with Emotional Status and Quality of Life in Patients with a Solid Tumor: A Cross-Sectional Study

Objectives: Complementary and alternative medicine (CAM) has been used widely in various populations for various purposes, including emotional support and improvement of quality of life (QOL). However, CAM use and purposes for using CAM are less clear among Korean patients with a solid tumor. The purpose of this study was to determine the prevalence and type of CAM use, and the association between CAM use and anxiety, depression, and QOL in patients with a solid tumor.

Design: A cross-sectional survey.

Setting: A cancer center in Korea.

Subjects: Two hundred and sixteen patients diagnosed with a solid tumor.

Outcome measures: Standard questionnaires on CAM use, Hospital Anxiety and Depression Scale, and European Organization for Research and Treatment of Cancer QLQ-C30.

Results: One hundred thirty one patients (60.6%) reported using CAM. CAM users, compared with non-CAM users, were significantly younger (57.8 vs. 60.9 years, p = 0.05), had higher level of education (p = 0.008), had higher income (p = 0.008), were less likely to seek physician consultation on CAM use (p = 0.002), and had a more advanced stage of tumor (p = 0.003) with more distant metastasis (p = 0.001). The most commonly used CAM was herbal medicine (n = 89, 67.9%). CAM users had significantly lower anxiety (t = 5.21, p < 0.001) and depression (t = 4.90, p < 0.001) than non-CAM users. When the effects of CAM use were tested on anxiety, depression, and QOL, controlling for covariates, CAM use was significantly associated with 8.7% and 8.8% of variance in decreasing anxiety and depression, but there was no unique association of CAM use with variance in QOL.

Conclusions: CAM use is prevalent and younger age, higher education levels, higher income, less physician consultation, and higher cancer stage are significant correlates to CAM use. Controlling for covariates (e.g., gender, BMI), CAM use is significantly associated with lower anxiety and depression compared with those of non-CAM users.

Nurses' Knowledge, Perceived Barriers, and Practices Regarding Complementary and Alternative Medicine in South Korea

Complementary and alternative medicine (CAM) is widely used by patients across the world. As nurses play a key role in patient care, describing nurses' knowledge, perceived barriers, and practices regarding CAM would be essential. A descriptive design was applied with 170 Korean nurses to measure the nurses' knowledge, perceived barriers, and practice experience regarding CAM. Nurses in Korea reported a lack of knowledge regarding CAM, moderate to high levels of perceived barriers to using CAM, and low levels of CAM practice in nursing. CAM practice in nursing was highly correlated with and affected by the participants' knowledge and clinical experience. This research should motivate all nursing disciplines to reflect upon how to improve CAM knowledge, overcome perceived barriers, and achieve the best nursing practice possible.

Expected and perceived efficacy of complementary and alternative medicine: A comparison views of patients with cancer and oncologists

BACKGROUND & AIMS

This study sought to identify discrepancies between the expectations of patients with cancer and oncologists regarding the efficacy of complementary and alternative medicines (CAMs), and to determine how patients evaluate CAM efficacy after its use.

METHODS

Data from the Cancer Patient Experience Study, a nationwide survey, were used. Seven subdivided efficacy domains were included in the survey. An oncologist-patient matching analysis was done to assess the concordance of CAM efficacies between oncologists and patients with cancer. In addition, the patients' expectations of CAM efficacies were compared before and after use.

RESULTS

Out of 719 participants, 201 patients with cancer (28.0%) reported using CAMs. The patients with cancer generally tended to be more positive about CAM efficacies than the oncologists. The largest discrepancy in efficacy perception was found in the efficacy domain of survival benefit, which included complete disease remission and prolonged survival. Many patients reported that they did not experience the positive efficacy they had anticipated before use. However, a substantial proportion of patients indicated that CAMs were as effective as they had expected, even though there is little evidence supporting the CAM efficacies.

CONCLUSIONS

There was a marked discrepancy and a lack of concordance in expectations of CAM efficacy between patients with cancer and oncologists. Better communication between the patients and oncologists regarding CAM efficacy would be needed to make the patients to have shared expectations, and to reduce unnecessary CAM use.

Treatment and Survival of Medicare Beneficiaries with Colorectal Cancer: A Comparative Analysis Between a Rural State Cancer Registry and National Data

The aim was to examine and compare with "national" estimates, receipt of colorectal cancer (CRC) treatment in the initial phase of care and survival following a CRC diagnosis in rural Medicare beneficiaries. A retrospective study was conducted on fee-for-service Medicare beneficiaries diagnosed with CRC in 2003-2006, identified from West Virginia Cancer Registry (WVCR)-Medicare linked database (N = 2119). A comparative cohort was identified from Surveillance, Epidemiology, and End Results (SEER)-Medicare (N = 38,168). CRC treatment received was ascertained from beneficiaries' Medicare claims in the 12 months post CRC diagnosis or until death, whichever happened first. Receipt of minimally appropriate CRC treatment (MACT) was defined using recommended CRC treatment guidelines. All-cause and CRC-specific mortality in the 36-month period post CRC diagnosis were examined. Differences in usage of CRC surgery, chemotherapy, and radiation were observed between the 2 populations, with those from WVCR-Medicare being less likely to receive any type of CRC surgery (adjusted odds ratio [AOR] = 0.82; 95% confidence interval [CI] = [0.73-0.93]). Overall, those from WVCR-Medicare had a lower likelihood of receiving MACT, (AOR = 0.85; 95% CI = [0.76-0.96]) compared to their national counterparts. Higher hazard of CRC mortality was observed in the WVCR-Medicare cohort (adjusted hazard ratio = 1.26; 95% CI = [1.20-1.32]) compared to the SEER-Medicare cohort. Although more beneficiaries from WVCR-Medicare were diagnosed in early-stage CRC compared to their SEER-Medicare counterparts, they had a lower likelihood of receiving MACT and a higher hazard of CRC mortality. This study highlights the need for an increased focus on improving access to care at every phase of the CRC care continuum, especially for those from rural settings.

Conventional cancer treatment alone or with regional hyperthermia for pain relief in lung cancer: A case-control study

OBJECTIVE

To investigate the effect of combining conventional treatment with regional hyperthermia on cancer pain in lung cancer patients.

DESIGN

Case-control study.

SETTING

One Korean university hospital and three complementary cancer clinics.

MAIN OUTCOMES AND MEASURES

Main outcome was effective analgesic score (EAS, PI[1+(M/10)], 1: anti-inflammatory drug consumption at a regular dosage, M: weekly dose (mg) of oral morphine equivalent and PI: pain intensity) at four time points (baseline (days -30 to 0), time 1 (days 1-60), time 2 (days 61-120), and time 3 (days 121-180)). Propensity score matching between the hyperthermia and control groups was performed using a 1:5 ratio. A linear mixed effects model was employed to measure EAS changes over time in the two groups.

RESULTS

At baseline, there were 83 subjects in the control group and 32 subjects in the hyperthermia group. At time 3, there were 49 subjects in the control group and 16 subjects in the hyperthermia group. Analyses showed rate of change of EAS, treatment×time was significant (p=0.038). This significant difference was mainly observed for time 1 (mean difference: 101.76 points, 95% confidence interval: 10.20-193.32 points, p=0.030).

CONCLUSIONS

Our results indicate an increase in cancer pain in lung cancer patients administered regional hyperthermia, particularly during the early stage of hyperthermia treatment.

Changes in complementary and alternative medicine use across cancer treatment and relationship to stress, mood, and quality of life

OBJECTIVES

Complementary and alternative medicine (CAM) use is prevalent, but specific use of CAM across cancer treatment is underinvestigated. The objectives of this study were to assess changes in CAM use across cancer treatment; specific reasons for and satisfaction with specific types of CAM used; and associations of CAM use with stress, mood, and quality of life (QOL) in women with newly diagnosed breast cancer.

DESIGN AND SETTING

Seventy-seven women with early-stage breast cancer who underwent active cancer treatment participated in the study. Data were collected three times: shortly after cancer diagnosis and 2 months and 6 months after the start of adjuvant cancer therapy.

OUTCOME MEASURES

CAM Questionnaire, Impact of Event Scale (stress), Profile of Mood State (mood), and Functional Assessment of Cancer Therapy-Breast Cancer (QOL).

RESULTS

Mean age was 52.4 years, and 94%-97% of women used on average five to six CAMs across three time points. Women largely started CAM use before cancer diagnosis and continued across cancer treatment. The five most common CAMs were prayer (88.3%), multivitamin use, massage, and vitamins E and C, followed by music, meditation, green tea, chiropractic care, and vitamin A, with little changes in types of CAM use across cancer treatment. Satisfaction was high, and satisfaction with prayer was the highest. Prayer, meditation, and music were used specifically for a feeling of control, whereas vitamins were used to improve the immune system, showing clear patterns. Stress, mood disturbance, and QOL declined significantly over time, p<0.001-0.04, but the number of CAMs used was unrelated to these variables.

CONCLUSIONS

CAM use was highly prevalent with multiple CAMs and continued throughout cancer treatment. Prayer was the most common CAM; it had the highest satisfaction rating and the perception of being most helpful. The effect of long-term CAM use requires further investigation on psychological and biobehavioral outcomes with consideration of demographic and clinical characteristics.

Dietary supplement use among patients with hepatocellular carcinoma

BACKGROUND

More than 50% of US adults, and an even larger proportion of cancer patients, use dietary supplements. Since many supplements require hepatic metabolism, they may be particularly likely to cause toxicities in patients with hepatocellular carcinoma (HCC). However, little is known about supplement use in patients with HCC.

METHODS

From 2008 to 2012, we gave newly diagnosed HCC patients at our institution a standardized questionnaire about dietary supplement use, demographic factors, and clinical characteristics. We then followed patients for four years or until time to death to examine the relationship with supplement use.

RESULTS

Of 146 patients, 71% had used vitamins and 45% herbal supplements. Most commonly used supplements were antioxidants (51%), multivitamins (46%), vitamin D (25%), and milk thistle (23%). People in mid-higher income brackets were more likely to use herbal supplements (19% of those earning <$30 000, 50% of those earning $30 000-60 000, and 34% of those earning >$60 000 used supplements). Hepatitis C (HCV) patients were more likely to use milk thistle than those without HCV (30% vs 13%, P = .03), and patients with hepatitis B (HBV) were more likely than non-HBV patients to use vitamin C (32% vs 14%, P = .01). Supplement use was not associated with overall survival.

CONCLUSIONS

Like cancer patients in other studies, the majority of our HCC patients used dietary supplements. Supplement use was not associated with overall survival but should be studied in larger patient samples.