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The Effect of Theracurmin on Cognitive Function in an Older Patient with Chemobrain
Authors Erken N , Dost Gunay FS , Soysal P , Isik AT
Received 3 March 2020
Accepted for publication 29 April 2020
Published 19 May 2020 Volume 2020:15 Pages 691—693
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Richard Walker
Neziha Erken,1 Fatma Sena Dost Gunay,1 Pinar Soysal,2 Ahmet Turan Isik1
1Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey; 2Department of Geriatric Medicine, Bezmialem Vakif University, Faculty of Medicine, Istanbul, Turkey
Correspondence: Ahmet Turan Isik
Unit for Brain Aging and Dementia, Department of Geriatric Medicine, School of Medicine, Dokuz Eylul University, Izmir, Turkey Tel +90 232 412 43 41
Fax +90 232 412 43 49
Email [email protected]
Abstract: Chemobrain is one of the problems that may arise during or after treatment and there is currently no specific treatment for this condition. Our case was a 76-year-old female patient who presented to our clinic with complaints of forgetfulness that did not affect daily living activities for the last year. Breast cancer was diagnosed in 2013 and she has been receiving anastrozole treatment for 6 years after local mass excision surgery and radiotherapy. After a comprehensive geriatric evaluation, cognitive impairment due to systemic cancer therapy was detected and treatment was started with Theracurmin 90 mg twice a day therapy. After 3-months of Theracurmin therapy, she had no cognitive improvement during the follow-up. This case report demonstrated that Theracurmin treatment may be a new option for chemobrain.
Keywords: chemobrain, Theracurmin, elderly, cognitive impairment, cancer
Both cancer and cognitive impairment are common in older people. Anti-cancer treatments may improve the likelihood of long-term survival after cancer diagnosis, while adversely affecting the cognitive function of patients, which is called chemotherapy-related cognitive impairment or chemobrain.1,2 Chemobrain can occur during or after chemotherapy and represents a concern for many patients with cancer, which can affect cognitive abilities including attention, memory, executive functions, language, visuospatial skills, and processing speed.3 Furthermore, cancer, itself, can lead to cognitive impairment as well as anti-cancer therapies. Among these therapies, aromatase inhibitors, agents for early-stage hormone receptor-positive breast cancer, may also be the cause of chemobrain by acting on estrogen receptors that modulate the expression of Apolipoprotein E and the estrogen gene in important brain regions, such as the hippocampus, prefrontal cortex, and amygdala, for cognitive functions.1,4 The prevalence was estimated to be between 12% and 78% of breast cancer patients after initiation of chemotherapy, and cognitive impairment includes various areas such as executive function, memory, psychomotor speed, and attention.2,3 Additionally, the severity of cognitive impairment is characteristically mild to moderate in nature, but even mild impairment can severely affect the quality of life, especially in older people. Chemobrain cannot only adversely affect daily living activities, access to medical care facilities, and quality of care, but together with the cancer-induced catabolic process also increases mortality.1–3 In addition, although many pharmacological agents such as psychostimulants, acetylcholinesterase inhibitors, N-methyl-d- aspartate receptor antagonists and ginkgo Biloba have been tried for chemobrain treatment with promising results, there is no cure for chemobrain yet.5
Curcumin, commonly used as a spice, food additive or dietary pigment in Asia and the Middle East, has several beneficial effects, such as nephroprotective, anti-cancer, anti-thrombotic, anti-ischemic, anti-hyperglycemic, and antirheumatic effects as well as cognitive enhancer effects.6,7 Moreover, it has been reported that it may improve memory and attention in non-demented elderly patients.8
In this report, we present an older woman with chemobrain treated with Theracurmin in our geriatric outpatient clinic.
Additionally, the written informed consent for publication of her clinical details was provided.
A 76-year-old woman was referred to our geriatric outpatient clinic due to memory loss. The onset of symptoms had begun about a year earlier, and forgetfulness progressed slowly, and within a year she began to forget short-term events, the names of her friends, and, rarely, things on the stove.
The medical history of the patient revealed that she had estrogen receptor positive breast cancer in 2013 and therefore underwent a local mass excision, followed by 32 cycles of local radiotherapy. She has never received intravenous or oral chemotherapy, but only used hormonal therapy, which was 1 mg anastrozole per day for 5 years. She had received metformin 1000 mg/bid due to Type 2 Diabetes Mellitus for 10 years. Comprehensive geriatric evaluation was performed for the patient.9 Physical examination revealed normal mood, recall, deterioration in language and abstracting, and her daily living activities were preserved. During the family interview; her husband said that she was able to perform daily living activities but suffered from forgetfulness, and difficulty in concentrating and multitasking. Accordingly, her MOCA (MoCA version 7.1) score was 22. The clinical and biochemical findings are summarized in Table 1. The neuroimaging study showed mild chronic ischemic changes and age-compatible atrophy.
Table 1 Laboratory and Neurocognitive Tests Score Follow-Up
In the light of clinical, laboratory and brain imaging assessment and family interview situation, she met mild cognitive impairment (MCI) diagnostic criteria.10 Additionally, given the fact that she has been using anastrozole for 5 years due to breast cancer and other possible causes of her symptoms have been excluded, a chemobrain diagnosis was established, and Theracurmin was initiated at a dosage of 90 mg twice a day, as a complementary treatment due to many aforementioned advantages.
Outcome and Follow-Up
During the follow-up visit, her MOCA score was 26 (especially improvement in delayed recall) after 3 months of Theracurmin, with improved symptoms (Table 1).
Theracurmin treatment was reported to improve cognitive impairment in an older patient with chemobrain.
Today, with advances in cancer treatments, survival is increased, making the treatment side effects more important, especially in older people.11 Chemobrain is one of the problems that may arise during or after treatment,5,12 which is important for both the patient and the caregivers to affect the quality of life and the increase in health expenditures.1,12 However, the underlying mechanisms of chemobrain are not completely understood yet, it is considered that many factors are responsible and anti-cancer drugs related damage on CNS progenitor cells, neurogenesis, and oligodendrocytes may play an important role in the pathogenesis.1–3,12 In addition, to the best of our knowledge, no pharmacological treatment for the disease has so far been developed.
Curcumin has been used since 1815 as a food, coloring agent, and traditional medicine and lastly as a promising anticancer drug with a natural polyphenol derived from turmeric and clinical trials are continuing or completed for different cancer types, including breast, pancreatic and colorectal cancers, and multiple myeloma.6,7 A recent study has shown that Theracurmin, a safe and active kind of curcumin, may improve memory and attention in non-demented older people.8 This improvement may be associated with the cognitive enhancement, anti-inflammatory, antioxidant, anti-amyloid and possible anti-tau properties of Theracurmin.6–8
In our case, 3-month Theracurmin therapy improved the cognitive symptoms related to chemobrain in an older adult. Under Theracurmin therapy, she showed improvements in executive and language cognitive domains which are the two main affected cognitive domains in chemobrain. These results are important as Theracurmin might be a treatment option for chemobrain in the future. In addition, other positive effects of Theracurmin such as antidiabetic and cardio protection may have contributed to this improvement.5,6
The potential negative outcomes of chemobrain have adverse effects on the management of older cancer patients; therefore, cognitive screening tests should be part of routine assessment for these patients, and if necessary, they should be referred to a geriatrician for further evaluation. Furthermore, due to its potential positive effects on cognitive function as well as anti-cancer effects, Theracurmin might be a new treatment option for chemobrain, but further studies are needed.
The authors report no conflicts of interest in this work.
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