Materiały źródłowe

• #1 Chemo brain – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/chemo-brain/symptoms-causes/syc-20351060

  Chemo brain is a common term people with cancer use to describe trouble with thinking and memory that can happen during and after cancer treatment. […] Chemo brain signs and symptoms include changes in memory and thinking. […] Symptoms of chemo brain linked to memory may include: Trouble recalling what you’ve said to others. Trouble recalling what you’ve seen, such as images or lists of words. Trouble recalling what’s happened recently, called short-term memory issues. […] Symptoms of chemo brain linked to thinking may include: Trouble finding the right words. Trouble learning new skills. Trouble doing more than one thing at a time. Mental fog. Short attention span. Taking longer than usual to do routine tasks. […] There are many causes of changes in memory and thinking in people with cancer. These chemo brain symptoms can be caused by the cancer, treatment for the cancer, complications of cancer treatment and other things. […] Some people with chemo brain have thinking and memory changes that affect their ability to work. Most people with cancer can return to work at least part-time. But some may find that tasks now take extra focus or time. Others may not be able to return to work.

• #2 Chemotherapy Brain Fog (Chemo Brain): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21032-chemo-brain

  Chemotherapy brain fog (chemo brain) happens when coping with cancer or cancer treatment affects your ability to remember and act on information. Usually, chemotherapy brain fog is a short-term issue, but some people may have symptoms for months after theyve finished treatment. […] Most of the time, chemo brain is a short-term issue, but some people may have the symptoms for months after theyve finished treatment. […] Healthcare providers who study cancer treatment and cognition estimate that 25% to 30% of people who have chemo brain develop symptoms before they start cancer treatment. About 75% of people receiving cancer treatment tell their healthcare providers they having issues with memory, concentration and their ability to complete tasks. […] Issues with memory and executive function are common chemo brain symptoms. […] People may have chemo brain for varying amounts of time. Chemo brain may last for several months to several years.

• #3 Side Effects: Chemobrain | MD Anderson Cancer Center

  https://www.mdanderson.org/patients-family/diagnosis-treatment/emotional-physical-effects/chemobrain.html

  Chemobrain is a symptom reported by many cancer patients with difficulty processing information. It is a legitimate, diagnosable condition that can be caused by chemotherapy treatment, the cancer itself, or secondary medical conditions such as anemia. […] Symptoms of chemobrain can fade after chemotherapy ends, but each patient is different. Some may take a year or more after treatment to feel normal again; others may never regain full mental ability.

• #4 Chemo Brain Fog: Symptoms, How Long It Lasts, & Treatment

  https://www.webmd.com/cancer/what-is-chemo-brain/?amp=1

  Chemotherapy can help you fight cancer, but side effects are almost certain. Its common for you to have a cloudy mind, called „chemo brain,” during and after treatment. Maybe you have a hard time remembering names or cant multitask as well as you used to. […] As many as 3 out of 4 people with cancer say they’re not as mentally sharp. Its often caused by your chemotherapy medicines, but it can also come from the cancer itself or other problems like infection, low blood counts, fatigue, sleep problems, or stress. […] Chemo brain can cause thinking and memory problems. Symptoms include trouble with: […] Concentrating and paying attention […] Remembering names, dates, and everyday things […] Finding the right word or doing simple math (like balancing your checkbook) […] Doing more than one thing at a time […] Mood swings. […] Often, the fogginess will fade when your chemo ends. But for some people, the fuzzy feelings will linger for several months or sometimes a year or more. […] Studies show that cancer and its treatment causes changes in the brain.

• #5 What Is Chemo Brain? Symptoms & Recovery | Cedars-Sinai

  https://www.cedars-sinai.org/blog/chemo-brain.html

  Many cancer patients report symptoms collectively known as cancer-related cognitive impairment or „chemo brain.” […] Chemo brain is a sort of mental fog that affects a patient’s overall cognitive function. Symptoms are subtle and often go unnoticed by loved ones. […] Chemo brain symptoms include: Mild forgetfulness, Word-finding difficulties (searching for a word that’s on the tip of the tongue), Difficulty remember dates, names, phone numbers, etc., Trouble concentrating, Difficulty multitasking, Taking longer than usual to finish routine tasks. […] „As many as 75% of cancer patients have experienced it during their treatment,” says Dr. Asher. „About a third of patients may continue to struggle after treatment.” […] For most patients, the effects resolve within 6-9 months after they finish treatment. For others, the symptoms could last years.

• #5 What Is Chemo Brain? Symptoms & Recovery | Cedars-Sinai

  https://www.cedars-sinai.org/blog/chemo-brain.html

  „Chemo brain is not dementia. And there is no evidence that it leads to dementia.” […] „Chemo brain is not dementia,” he says. „And there is no evidence that it leads to dementia.” […] „It’s important to remember that for many, time away from chemotherapy and cancer treatment may be one of the best healers,” says Dr. Asher.

• #6 Understanding Chemo Brain Causes, Symptoms, and Coping Strategies

  https://www.lacancernetwork.com/understanding-chemo-brain-causes-symptoms-and-coping-strategies

  Chemotherapy brain fog, commonly known as chemo brain, is a cognitive impairment that affects cancer patients undergoing cancer treatment. This condition can show itself as concentration issues, memory issues, and other mental health issues that interfere with day-to-day functioning. […] The symptoms of chemo brain can vary from person to person but may include the following: Memory problems including forgetfulness or trouble recalling information, Difficulty concentrating or staying focused on tasks, Slower processing speed, leading to delays in thinking and decision-making, Difficulty finding the right words or expressing thoughts when talking, Challenges with multitasking or managing multiple tasks simultaneously, Decreased mental clarity and overall cognitive function. […] Diagnosing chemo brain can be challenging as there is no specific test or imaging study to confirm the condition. Healthcare providers typically rely on a combination of patient-reported symptoms, medical history, and cognitive assessments to make a diagnosis.

• #7 Cognitive changes (chemo brain) | Macmillan Cancer Support

  https://www.macmillan.org.uk/cancer-information-and-support/impacts-of-cancer/chemo-brain

  You may notice changes in your memory or concentration during or after cancer treatment. […] These changes are sometimes called chemo brain. This is because the symptoms were first linked to chemotherapy. But changes in memory and concentration can affect people with cancer who have not had chemotherapy. […] Any problems with concentration or memory are usually temporary and mild. But they can be frustrating and interfere with your normal activities. They may delay some people from going back to work, school or to social events. […] Common symptoms include: extreme tiredness (fatigue), feeling like you cant think clearly, finding it hard to remember things, being unusually disorganised, finding it difficult to do more than one thing at a time, getting distracted more easily, feeling low in mood.

• #7 Cognitive changes (chemo brain) | Macmillan Cancer Support

  https://www.macmillan.org.uk/cancer-information-and-support/impacts-of-cancer/chemo-brain

  Problems with concentration or memory are often mild and get better with time. But for some people, symptoms can continue for years after treatment. […] Research is being done to find out the following: which chemotherapy drugs or combination of drugs affect cognitive functioning, how other cancer treatments affect cognitive functioning, what can be done to reduce the risk, how cognitive functioning improves after treatment, what can improve symptoms.

• #8 Changes in Memory, Thinking, and Focus (Chemo Brain) | American Cancer Society

  https://www.cancer.org/cancer/managing-cancer/side-effects/changes-in-mood-or-thinking/chemo-brain.html

  A change in thinking, memory, or focus is a side effect you can learn to manage. Even though this side effect may not be easy to see, your family and friends might be able to help you. […] Tell your cancer care team how much of a problem the changes in thinking are for you. Are they keeping you from what you want to do? From going to school or work? Are you having trouble taking care of your family? Are you able to take care of yourself?

• #9 Cognitive Dysfunction („Chemo Brain”) | OncoLink

  https://www.oncolink.org/support/side-effects/neurological-side-effects/chemo-brain/cognitive-dysfunction-chemo-brain

  Some cancer treatments can cause changes to how your brain works (cognitive changes or cognitive deficits), often called „chemo-brain.” […] Some people report their chemo brain got better after treatment ended while others say it never goes away. […] Each person’s experience is unique, making it hard to predict what cognitive changes you may have, and whether or not they will continue after treatment. […] Chemo brain affects each person differently. […] These effects can lead to being unable to do your job, having a hard time managing family/home matters, and spending less time with loved ones. […] Research into what exactly causes chemo brain and how to prevent and treat it continues.

• #10 Cognitive impairment (chemo brain) | Breast Cancer Now

  https://breastcancernow.org/about-breast-cancer/treatment/chemotherapy/chemotherapy-side-effects/cognitive-impairment-chemo-brain

  If you have these symptoms talk to your treatment team. They can assess you and provide support to help manage and improve them. […] As cognitive impairment can affect your memory and concentration, you may find it difficult to carry out your usual role at work. This can lead to you feeling stressed, which can make the symptoms worse. […] Cognitive impairment can be difficult to cope with, and many people feel frustrated and as if they’re not in control.

• #11 Does Chemo Brain Ever Go Away?

  https://www.healthline.com/health/does-chemo-ever-brain-go-away

  Chemo brain appears to be more common in individuals who receive high doses of chemotherapy, according to the American Cancer Society. […] The long-term side effects of chemotherapy can vary depending on the type and dosage of chemotherapy drugs used, as well as your overall health and response to treatment. […] If you or a loved one is experiencing chemo brain, it’s important to communicate with healthcare professionals about these symptoms. They can offer support, assess cognitive function, and provide guidance on potential interventions.

• #12 Changes in Memory, Thinking, and Focus (Chemo Brain) | American Cancer Society

  https://www.cancer.org/cancer/managing-cancer/side-effects/changes-in-mood-or-thinking/chemo-brain.html

  Some people with cancer notice that they cant think as clearly as they used to. They may have trouble remembering things, focusing, finishing tasks, or learning something new. These are symptoms of cognitive impairment, also known as chemo brain or brain fog. […] Memory, thinking, and focus changes typically go away over time. For most people, these thinking changes are not signs of a more serious condition like Alzheimers disease. […] Changes in thinking may not be easy for other people to see. People in your life might not even notice anything. Still, if you have these changes, you will most likely know it. […] Changes in thinking can happen at any time when you have cancer. It can happen before, during, and after cancer treatment. […] For most people, these changes only last a short time. Other people can have long-term or delayed symptoms. When changes in thinking start, how long they last and how much trouble they cause may be different for each person.

• #13 Does Chemo Brain Ever Go Away?

  https://www.healthline.com/health/does-chemo-ever-brain-go-away

  The impact of chemo brain varies, with some experiencing mild and temporary cognitive difficulties, while others face more severe and lasting challenges. […] Most research on chemo brain focuses on patients from diagnosis to 18 months post-treatment, but some evidence suggests that cognitive impairments may persist for years beyond this period. […] In a study of breast cancer patients undergoing chemotherapy, the patients (36.5%) reported more cognitive difficulties than noncancer controls (13.6%) both after chemotherapy and at a 6-month follow-up. […] Research suggests that chemo brain affects up to 75% of cancer patients during treatment, with 35% reporting symptoms post-treatment. […] Evidence indicates that chemotherapy can lead to structural changes in the brain, trigger neuroinflammation, and reduce the generation of new brain cells in the hippocampus. These changes may contribute to the cognitive dysfunction seen in chemo brain.

• #14 'Chemo brain’ caused by malfunction in three types of brain cells | News Center

  https://med.stanford.edu/news/all-news/2018/12/chemo-brain-caused-by-malfunction-in-three-types-of-brain-cells.html

  Chemo brain is especially severe in childhood cancer patients, Monje added, and children have the most to gain from better remedies. […] Methotrexate chemotherapy was found to damage the brain’s populations of oligodendrocyte precursor cells. […] More precursor cells than normal were starting down the path of maturation to oligodendrocytes, but they were getting stuck in an intermediate, immature state. […] Mice exposed to methotrexate also exhibited behavioral problems after four weeks that were similar to humans with chemo brain, including motor impairment, signs of anxiety, and impaired attention and short-term memory function. […] Administering a drug that selectively depleted microglia to mice that had been treated with methotrexate reversed many of the cognitive symptoms of chemo brain and reversed the abnormalities in maturation of oligodendrocyte precursor cells, activation of astrocytes and myelin thickness. […] „If we understand the cellular and molecular mechanisms that contribute to cognitive dysfunction after cancer therapy, that will help us develop strategies for effective treatment,” Monje said.

• #15 What is Chemo-brain and what can I do about it? – OWise UK

  https://owise.uk/what-is-chemobrain/

  Chemotherapy can damage DNA in cells, accelerating cell aging and hindering cell growth. […] Most cancer treatments aim to stop cell division, however they do not only target cancer cells, healthy cells are affected as well. This causes a reduction in cell division, particularly in the hippocampus, reducing its size and functioning, causing memory problems. […] Chemotherapy drugs also interfere with the number of cortical spines and dendrites, which are brain structures that make up white and grey brain matter and transport electrical brain signals. […] Studies have revealed abnormal brain activation in breast cancer patients who report CD. EEG findings indicate difficulty in sustained attention, different resource allocation and brain patterns indicative of increased mind wandering.

• #15 What is Chemo-brain and what can I do about it? – OWise UK

  https://owise.uk/what-is-chemobrain/

  There is still no gold standard assessment to provide a CRCD diagnosis. […] Symptoms of CRCD can be managed to limit their impact on daily life and overall quality of life. […] Non-pharmacological interventions consist of compensatory strategies and cognitive rehabilitation methods. […] Cognitive training aims to enhance brain plasticity, which is how effectively the brain can grow, adapt and learn. […] A small trial with breast cancer patients reported positive effects of modafinil on memory and attention. Participants improved in quality of memories, speed of remembering and ability to maintain attention. […] It is important to approach CRCD treatment holistically and long term as various factors can influence cognition.

• #15 What is Chemo-brain and what can I do about it? – OWise UK

  https://owise.uk/what-is-chemobrain/

  You may find it difficult to complete your usual activities and employment duties. All these changes can affect your sense of identity and esteem. […] It is still not exactly clear how breast cancer and treatment harm brain function. There are many different mechanisms that underpin CRCD and multiple genetic and psychological theories are being investigated. […] A study revealed that pretreatment Stage 1-3 breast cancer patients were more likely to perform worse before treatment than Stage 0 patients and healthy controls. This indicates there are important factors relating to the cancer itself and to emotional wellbeing which can influence cognitive function before treatment does. […] Indeed studies with breast cancer patients have found significant associations between depression and CRCD.

• #16 What is Chemo Brain?

  https://www.leukaemiacare.org.uk/support-and-information/latest-from-leukaemia-care/blog/what-is-chemo-brain/

  The causes of chemo brain are not clear. Research suggests that it may be caused by a combination of factors: The cancer itself. Cancer treatments, including chemotherapy, radiotherapy, surgery and hormonal therapy. Very intensive treatment such as high dose chemotherapy followed by a bone marrow transplant. Stress, anxiety and depression. Sleep problems. Nutritional deficiencies. […] The symptoms of chemo brain are usually temporary and often get better with time, but for some people, symptoms can continue for years after treatment. Chemo brain may be a less obvious side effect of blood cancer and its treatment. Therefore, it is important to talk to family and friends about it as they will be able to support you better when they understand more about how you feel. It is also important to talk to your doctor or nurse if you think you have cognitive impairment and you are finding it difficult. They might be able to refer you to a specialist to help you.

• #17 Chemo Brain and Leukemia: Symptoms and Management | MyLeukemiaTeam

  https://www.myleukemiateam.com/resources/chemo-brain-and-leukemia-symptoms-and-management

  Memory changes are some of the most common symptoms of chemo brain. The changes may involve general memory loss, such as trouble remembering people or places, dates, or where you put down frequently used objects. […] Some people with chemo brain find that they have difficulties concentrating on tasks especially for extended periods of time. […] Memory loss or difficulty concentrating can make communication more difficult. […] For some people, chemo brain causes them to feel confused or generally out of it. […] The majority of people actively receiving cancer treatment experience chemo brain at some point. […] Chemo brain gets its name from chemotherapy because this treatment is often behind changes in cognitive function in people with leukemia and other cancers. […] Research has found that people with cancer who have never undergone chemotherapy may still experience chemo fog.

• #18 Study finds chemo brain persists after treatment in patients

  https://www.cancercenter.com/community/blog/2017/02/study-finds-chemo-brain-persists-after-treatment-in-breast-cancer-patients

  Chemo brain symptoms include lapses in short-term memory, difficulty remembering names and dates and problems concentrating. […] Commonly called chemo brain, its often described as an overall mental fogginess, and breast cancer patients may find that it lasts for six months after chemotherapy ends, according to a study published in the December 2016 Journal of Clinical Oncology. […] A month after chemotherapy treatments ended, 45 percent of patients reported a significant decline in their cognitive abilities, while only one in 10 in the comparison group experienced the same issues. The problems improved over time, but they did not disappear. After six months, 36 percent of patients still felt their mental ability had declined, compared to about 13 percent of the control group. […] Researchers also reported that younger women, black women and those who report higher levels of anxiety and depression were more likely to experience greater declines in brain function. […] The researchers did not hypothesize on why chemotherapy drugs appear to cause cognitive breakdowns, and they couldnt even determine whether a direct cause-and-effect relationship exists. But they have concluded that certain people, such as breast cancer patients, are more vulnerable.

• #19 Chemo Brain Symptoms And Outcomes | Food for Breast Cancer

  https://foodforbreastcancer.com/articles/chemo-brain-symptoms-and-outcomes

  The perception of being in a fog lifts and problems with short-term memory and executive functioning appear to resolve within one to five years of the end of treatment. […] However, problems with verbal fluency and psychomotor processing speed can persist long afterwards. […] There is some evidence that pre-existing systemic inflammation, old age, low cognitive reserve and depression each are associated with increased magnitude of the cognitive deficits associated with chemotherapy. […] Women who are at higher genetic risk for Alzheimer’s disease (APOE4 genotype) may be more likely to experience chemo brain. […] Tamoxifen and aromatase inhibitors can also cause some of the symptoms of chemo brain in some women. […] For many, the symptoms caused by estrogen deprivation appear to improve within a year or two after endocrine treatment ends.

• #20 Chemo brain: From discerning mechanisms to lifting the brain fog—An aging connection

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5539816/

  Furthermore, the frequency and timing of chemo brain occurrence and persistence suggest that its origins may be epigenetic and associated with aberrant global gene expression patterns. […] Our data showed that MMC and CPP treatments lead to drug-, sex-, and brain region-specific and persistent changes in global gene expression profiles. Overall, gene expression responses were much more profound for MCC than CPP exposure, and they were most prominent in the PFC tissues of female animals 3 weeks after MMC treatment, affecting pathways responsible for oxidative stress and other effects. […] The results show that the PFCs of females may be more vulnerable than those of males in the long-term because the significant changes observed in females at 3 weeks post-exposure to MMC were not apparent in males. Moreover, the majority of the changes induced by MMC in the PFC tissues of female mice resembled those that occur during aging processes, suggesting that chemotherapy exposures may accelerate brain aging. […] On another note, the phenomenon of chemo brain has not been fully explored in the aging domain. Chemotherapy may cause changes that lead to neuroinflammation and brain aging.

• #21 How Long Does Chemo Brain Last?

  https://www.cancercenter.com/community/blog/2023/08/how-long-does-chemo-brain-last

  Chemo brain may happen at any point during a patients cancer treatment journey. Some cancer patients may experience a mental fogginess or cognitive difficulties once they begin their treatment. […] While everyones experience is different, the symptoms may be unsettling, debilitating and sometimes last well beyond the conclusion of treatment, depending on many factors. […] Chemo brain may happen at any point during a patients cancer treatment journey. It may begin when treatment starts or crop up after treatment has ended. Cancer patients describe it as a decline in mental sharpness, a kind of brain fog or spaciness. […] Everyones experience with chemo brain is unique with patients reporting cognitive problems ranging from a few months to more long-term issues lasting years. […] A 2016 study of 581 breast cancer patients published in the Journal of Clinical Oncology found that impaired cognitive function lasted for six months after the end of chemotherapy treatment.

• #22 What to know about chemo brain and helpful coping strategies

  https://www.bswhealth.com/blog/what-is-chemo-brain

  Chemo brain is a common term cancer survivors use to describe thinking and memory problems that can happen during and after cancer treatment. […] Most define chemo brain as a decrease in mental sharpness and cloudy mind. Its exact cause isnt known, and symptoms can crop up any time when you have cancer. […] Beyond symptoms that begin during and just after treatment, there are some cases where chemo brain symptoms start and continue after treatment is over. […] Most of these are short-term problems and get better as the underlying issue is treated or goes away. Others can lead to long-lasting brain problems unless the cause is treated. […] If brain fogginess interferes with your usual day-to-day activities, talk with your doctor to try and pinpoint the cause of your brain fog and come up with solutions to combat it. This is especially important for people whose chemo brain symptoms last longer than the treatment period and disrupts their daily lives. […] In most cases, chemo brain is temporary, and the signs usually improve nine to 12 months after completing chemotherapy.

• #23 Chemo Brain: What is It and How Long Does It Last?

  https://www.gleneagles.com.sg/health-plus/article/chemo-brain-meaning

  „Chemo brain” is a term often associated with thinking and memory problems a cancer patient may have during their cancer treatment journey. […] Patients suffering from „chemo brain” have a decrease in their cognitive functions, causing an overall decrease in mental sharpness. […] For the majority of patients who complete chemotherapy, „chemo brain” improves within 9 12 months. […] In extreme cases, „chemo brain” can last for more than a year, although this only happens to 10 20% of patients. […] A smaller percentage of patients in this group may also experience noticeable symptoms a decade after undergoing chemotherapy, although symptoms should have reached a plateau and not be worsening at this point.

• #24 What are cognitive changes (chemo brain)? | Treatment for cancer | Cancer Research UK

  https://www.cancerresearchuk.org/about-cancer/treatment/cancer-drugs/side-effects/chemo-brain/about

  Cognitive changes include problems with memory, concentration and how a person can think. […] Symptoms can include: memory loss forgetting things that you normally remember, difficulty thinking of the right word or image for a particular object, difficulty remembering a conversation, trouble concentrating or focusing on one thing, difficulty doing more than one thing at a time (multi tasking), more difficulty doing things you used to do easily, such as adding up in your head, fatigue (tiredness and lack of energy), confusion, mental fogginess, being unusually disorganised, having difficulty learning new skills. […] The symptoms of cognitive impairment can come and go. How much you notice them seems to depend on what you’re doing. […] For most people, the symptoms have either gone or improved a lot within a year of ending treatment. But for some people, the symptoms can be long-term. They may continue for years after treatment has finished.

• #25 ‘Chemo brain’ (cancer-related cognitive impairment) | Lymphoma Action

  https://lymphoma-action.org.uk/about-lymphoma-side-effects-treatment/chemo-brain-cancer-related-cognitive-impairment

  If you’re having treatment, the symptoms might be different at different times in your treatment cycle. They can also be worse when you’re tired or busy. […] Chemo brain can affect your day-to-day life. It can be hard, for example, to remember to take medications, and to go to medical appointments. […] My doctor told me to expect chemo brain with my treatment. I noticed my concentration was poor. It was like a mental fog. I couldn’t focus on TV. I couldn’t focus on daily life. I would just stop mid-conversation because I couldn’t think of the right word. […] There are many possible causes of chemo brain. Lots of people who are affected by cancer experience cognitive difficulties at some point. […] The type, intensity and how long treatment goes on for can affect your likelihood of experiencing chemo brain.

• #25 ‘Chemo brain’ (cancer-related cognitive impairment) | Lymphoma Action

  https://lymphoma-action.org.uk/about-lymphoma-side-effects-treatment/chemo-brain-cancer-related-cognitive-impairment

  Living with cancer can have a significant impact on your emotional wellbeing. For example, some people experience low mood, depression and anxiety, all of which can affect thinking processes such as concentration and memory. […] For many people, chemo brain usually gets better over time. However, for some people the effects last much longer. […] Some evidence suggests that it could be useful but more research is needed. […] The National Comprehensive Cancer Network (NCCN) recommends trying non-drug approaches to help manage cognitive difficulties. […] There are currently no clear conclusions about chemotherapy and dementia, and scientists continue to research whether there is a link between the two.

• #26 Side Effect Management – Chemo Brain – Maryland Oncology Hematology

  https://marylandoncology.com/side-effect-management/side-effect-management-chemo-brain/

  Chemo brain is a term commonly used to describe the cognitive decline you may experience before, during, and/or after cancer treatment, even if you have not been treated with chemotherapy. This mental fog, as it is often described, is marked by a lack of focus, the inability to concentrate, and trouble processing or remembering information. […] Some cancer patients only experience chemo brain for a short time, while others experience it for years. […] While there is still much to learn, it’s clear that chemo brain can be a frustrating and debilitating side effect of cancer and its treatments. […] The severity can range greatly. Some patients notice significant changes, while other cancer patients only experience subtle mental changes. And others don’t notice them at all. In many cases, patients don’t bring it to the attention of their cancer care team until these changes begin affecting their everyday life.

• #27 Do I Have Chemo Brain? | Franciscan Health

  https://www.franciscanhealth.org/community/blog/do-i-have-chemo-brain

  If cancer treatment affects your ability to think, learn, remember, use judgment and make decisions, youre not alone. Many patients in chemotherapy experience issues with memory, concentration and mental clarityeven after treatment. Its called chemo brain or chemo fog, and its common. Studies suggest that up to 75 percent of cancer patients experience some form of cognitive dysfunction during treatment, and around 35 percent continue to have issues long after treatment ends. […] Symptoms like these can be an indication of chemo brain. It can begin early during your cancer journey or show up later in treatment or recovery. […] Chemo brain symptoms can last shorter or longer in each person. Some might find their cognitive abilities return to normal within a few months. Others struggle with symptoms for several years. Factors such as the type and intensity of your cancer treatment, your overall health and the support you receive with therapies can influence your recovery process. Symptoms may resolve fairly quickly if a patient uses therapy to help address their symptoms, but in some cases, it can last a lot longer, maybe years.

• #28 Chemo Brain: How to Offset Short- and Long-Term Effects

  https://www.verywellhealth.com/chemo-brain-how-to-offset-short-and-long-term-effects-8661966

  The duration of chemo brain varies greatly. In some people, it goes away after treatment is over; in others, it persists and gets worse. This can depend on the specific chemotherapy given, the cumulative dosage given and how it was administered, whether any brain lesions are present, and any other drug exposure. […] The impacts of chemo brain can be long term in some people, and this can vary depending on what caused the cognitive impairment, the persons age, their overall health, and any other health-related factors. Other treatment modalities like radiation or surgery might have also impacted the brain or nervous system, contributing to the cognitive impairment. […] While chemo brain and dementia share symptoms, they are two different conditions. Chemo brain is directly caused by chemotherapy and is often reversible or lessens over time. Dementia causes cognitive changes due to degeneration in the brain and is progressive. […] Chemo brain affects most people going through cancer treatment. Though it can significantly impact life, the good news is that, in most cases, it tends to be temporary and improves once treatment is over. However, for some people, the symptoms can linger for years.

• #29 Chemo brain – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/chemo-brain/diagnosis-treatment/drc-20351065

  There are no tests to diagnose chemo brain. People with cancer who have these symptoms often score within typical ranges on memory tests. […] A healthcare professional makes a chemo brain diagnosis based on your symptoms. […] Chemo brain treatment focuses on helping you cope with symptoms. Often, cancer-related memory changes clear up with time. […] Treatment for chemo brain often involves finding ways to cope with the thinking and memory changes. […] Learning to cope with memory changes may involve: […] Stress can make memory changes worse. And having memory changes can be stressful. […] No medicines are approved to treat chemo brain. […] You can take steps to ease chemo brain symptoms. […] Chemo brain symptoms can be hard to cope with. With time, you’ll likely find ways to make focusing easier. […] Despite using your best ways for dealing with your memory changes, you’ll still forget things sometimes. […] If you’re having cancer treatment, talk with your cancer care team about your chemo brain symptoms. […] Your healthcare professional may send you to a specialist.

• #30 Chemo Brain | Kaiser Permanente

  https://healthy.kaiserpermanente.org/health-wellness/health-encyclopedia/he.chemo-brain.abp6888

  Chemo brain is a problem with thinking and memory that can happen during and especially after chemotherapy treatment for cancer. Thinking and memory problems are called cognitive problems. These problems may be mild or so serious that people have a hard time working or doing their daily activities. […] Chemo brain may go away when treatment ends. But for some people it can last for months or years after treatment. […] Symptoms of chemo brain vary depending on the person. But you may: Forget events, names, or other things. Have trouble thinking of certain words when you talk. Have trouble learning new things. Take longer to do routine tasks. Have trouble concentrating or feel like your mind is in a fog. […] If your symptoms are very bad, your doctor may want you to have tests to see if something else may be causing your problems. […] If you still have chemo brain a year after cancer treatment ends, your doctor may suggest that you see a neuropsychologist. These experts help people who have cognitive problems.

• #31 Chemo brain: Definition, Symptoms, Causes, and More

  https://www.medicalnewstoday.com/articles/what-is-chemo-brain

  Most people experience chemo brain symptoms during treatment. But more than a third may experience symptoms several months after treatment ends. […] Chemo brain tends to resolve with time for most people. However, in rare cases, chemo brain can last for many years. […] Researchers have found that chemotherapy drugs can damage DNA and other molecules in the brain. This damage may lead to cognitive difficulties. […] Chemo brain may occur as a side effect of certain chemotherapy drugs. Other factors that can lead to chemo brain include older age, mental health conditions, hormonal changes, or sleep disturbances. […] Chemo brain is not a form of dementia. Most people who experience chemo brain eventually recover. However, evidence suggests that some types of chemotherapy can increase the risk of developing dementia later in life.

• #31 Chemo brain: Definition, Symptoms, Causes, and More

  https://www.medicalnewstoday.com/articles/what-is-chemo-brain

  People with chemo brain may have trouble with language, memory, and processing speed. This can have a negative effect on relationships and the persons sense of self. […] Although the symptoms of chemo brain may vary, they can make it difficult to carry out daily activities. […] Many people with chemo brain experience mild symptoms that resolve on their own. But chemo brain can cause noticeable impairment and mental health decline in some cases. […] Additionally, chemo brain can sometimes cause long-term cognitive effects. Although many cases of chemo brain resolve quickly, they can persist for years in some people. […] Chemo brain can look different from person to person. The severity of this side effect and how long it lasts depends on the individual and the type of chemotherapy they receive.

• #32 Chemo Brain and Cognitive Side Effects – Together by St. Jude™

  https://together.stjude.org/en-us/treatment-tests-procedures/symptoms-side-effects/chemo-brain.html

  Cognitive side effects of chemotherapy and radiation therapy likely have multiple causes. Cancer treatments can impact the brain directly through effects on cell growth, inflammation, and blood supply. […] It is important for families to keep in mind that the development of cognitive problems may not be related to the cancer experience. Symptoms may instead reflect familial risk or developmental problems unrelated to treatment (e.g., dyslexia or ADHD). […] Cancer treatments may cause some cognitive changes that may or may not be long lasting. However, there are things families can do to help manage cognitive side effects and promote cognitive health. […] For many patients, cognitive function will improve over time. However, there are some practical ways to cope with chemo brain and cognitive problems day to day. Patients and families can work together to develop strategies that best fit their needs. […] Chemo brain or cognitive side effects can affect each person differently. Some patients might have more trouble with memory while another might struggle with focus. Find fun ways to work on skills and exercise the mind through games, puzzles, and activities.

• #33 Post-chemotherapy cognitive impairment – Wikipedia

  https://en.wikipedia.org/wiki/Post-chemotherapy_cognitive_impairment

  Post-chemotherapy cognitive impairment comes as a surprise to many cancer survivors. Often, survivors think their lives will return to normal when the cancer is gone, only to find that the lingering effects of post-chemotherapy cognitive impairment impede their efforts. Working, connecting with loved ones, carrying out day-to-day tasks all can be very challenging for an impaired brain. Due to such challenges, patients have reported difficulty concentrating to be as significant a stressor as dealing with thoughts of mortality. Although post-chemotherapy cognitive impairment appears to be temporary, it can be quite long-lived, with some cases lasting 10 years or more. […] Deficits in visuo-spatial, visual-motor, and visual memory functions are among the symptoms seen in post-chemotherapy patients.

• #33 Post-chemotherapy cognitive impairment – Wikipedia

  https://en.wikipedia.org/wiki/Post-chemotherapy_cognitive_impairment

  Post-chemotherapy cognitive impairment (PCCI) (also known in the scientific community as „CRCIs or Chemotherapy-Related Cognitive Impairments” and in lay terms as chemotherapy-induced cognitive dysfunction or impairment, chemo brain, or chemo fog) describes the cognitive impairment that can result from chemotherapy treatment. While there is no concrete statistic for the number of patients that experience some level of post-chemotherapy cognitive impairment, the estimated percentage is between 13 and 70 percent of patients. […] Although the causes and existence of post-chemotherapy cognitive impairment have been a subject of debate, recent studies have confirmed that post-chemotherapy cognitive impairment is a real, measurable side effect of chemotherapy that appears in some patients. While any cancer patient may experience temporary cognitive impairment while undergoing chemotherapy, patients with PCCI continue to experience these symptoms long after chemotherapy has been completed. Some patients may experience cognitive dysfunction up to 10 years after undergoing chemotherapy treatment.

• #33 Post-chemotherapy cognitive impairment – Wikipedia

  https://en.wikipedia.org/wiki/Post-chemotherapy_cognitive_impairment

  While frustrating, the ultimate outcome is very good: symptoms typically disappear in about four years, e.g., for breast cancer patients. […] PCCI affects a subset of cancer survivors, though the overall epidemiology and prevalence is not well known and may depend on many factors. As previously mentioned, PCCI affects between 13 and 70% of the general cancer patient population. It generally affects about 10-40% of breast cancer patients, with higher rates among pre-menopausal women and patients who receive high-dose chemotherapy. Additionally, there are high complaints of cognitive impairment in glioblastoma patients; 60-85% of patients report cancer-related cognitive impairments following surgery and adjunctive treatment.

• #34 An elaboration on Chemo Brain or Brain Fog – Going through treatment – Blood Cancer UK Online Community Forum

  https://forum.bloodcancer.org.uk/t/an-elaboration-on-chemo-brain-or-brain-fog/8996

  I was disappointed to see that during earlier treatment this year I was getting levels of anxiety that were like from back in my past, stuff I thought I had moved on from. […] I see it raising a bit again. […] It can be insidious how it starts, seems so small before suddenly it is very noisy. […] I notice I am mentally exhausted by evening without the benefit of actually working. […] I appreciate and am very glad for the level of care and attention (the reason I am here now is because of it), I just have to acknowledge it mentally flattens you. […] I know my daughter has struggled a bit with my decline but Im happy as anything and sometimes its a good excuse to avoid things! […] I also expect there may be some frustration on my part as I come to accept that when I actually face working again.

• #35 How Long Chemo Brain Lasts | UPMC HealthBeat

  https://share.upmc.com/2025/01/chemo-brain/

  In general, you may feel the biggest side effects of chemotherapy the first two to three days after treatment. […] Often, brain fog symptoms go away after treatment ends. For others, chemobrain can last long after treatment. […] With prolonged chemo, an estimated 70% to 75% of cancer patients develop cognitive decline during and after chemo, according to a review published in Advances in Cancer Research. Of these, up to 50% have long-lasting effects of brain fog for months or even years. […] Your doctor will go over your symptoms to advise you on the best ways to manage your chemobrain. Sometimes treating risk factors, such as anxiety, depression, poor nutrition, or poor sleep, can help relieve the feeling of brain fog.

• #36 Fat Molecule in Brain Linked to Chemo Brain – NCI

  https://www.cancer.gov/news-events/cancer-currents-blog/2022/chemo-brain-prevention-s1p

  Also referred to as cancer-related cognitive impairment, chemo brain can be marked by severe memory problems, a lack of mental sharpness, and what is often described as a mental fog. […] A significant number of patients who undergo cisplatin treatment are affected by persistent cognitive impairment. […] The researchers then analyzed areas of the mouse brains that are important for cognition. […] This new study shows the damage cisplatin does and how the S1PR1-targeted drugs can potentially reduce that damage. […] Finding ways to treat or prevent cognitive impairment after cancer treatment is a complex problem because many more factors are at play than just chemotherapy treatment. […] We want to look at not only if can we prevent cognitive impairment [in people with cancer], but if we can treat and improve it.

• #37 Coping With Chemo Brain | Cancer Today

  https://www.cancertodaymag.org/spring2022/coping-with-chemo-brain/

  CRCI poses a formidable puzzle. It has no formal diagnosis or treatments approved by the Food and Drug Administration (FDA). […] The analysis revealed that many different symptoms that patients notice can be measured, and that these symptoms are often noticed as treatment progresses. […] According to the National Cancer Institute, nearly 17 million people in the United States are living with cancer or have been diagnosed in the past. Three-quarters of themalmost 12.8 millionlikely experience problems with memory or thinking resulting from treatment. […] The condition, called cancer-related cognitive impairment (CRCI), has no definitive diagnosis and no treatments approved by the Food and Drug Administration, but there are strategies to better cope with its effects. […] Despite decades of studying CRCI, much work needs to be done, says Gabel. […] Chase says that in the six years since she ended chemotherapy, her symptoms have partially subsided, though Ill never be at 100%.

• #38 Understanding Chemo Brain: Symptoms, Causes, and Treatment | The After Cancer

  https://www.theaftercancer.com/topics/chemo-brain

  Yes, chemo brain is very real and is increasingly recognized by both medical professionals and researchers. […] Research using neuroimaging techniques has shown that chemotherapy can lead to changes in brain structure and function, particularly in areas responsible for memory, attention, and processing speed. […] Chemo brain fog often begins to manifest during cancer treatment, particularly after starting chemotherapy. Many patients report noticing cognitive changes within weeks or even days of beginning treatment. These changes can include difficulties with memory, concentration, and problem-solving, as well as a general feeling of mental sluggishness or fogginess. […] Chemo brain fog can vary widely in duration, with some individuals experiencing cognitive difficulties for only a few months after completing chemotherapy, while others may continue to face challenges for years. For some cancer survivors, the symptoms of chemo brain gradually improve and eventually resolve within six months to a year after treatment. However, in other cases, these cognitive issues can persist long-term, sometimes becoming a chronic condition that impacts daily life. […] The persistence of chemo brain fog is influenced by several factors, including the type and intensity of chemotherapy, the presence of other treatments such as radiation or hormone therapy, and the individual’s overall health and genetic predisposition.

• #39 Side Effect Management – Chemo Brain – Minnesota Oncology

  https://mnoncology.com/patients/current-patient-resources/side-effect-management/side-effect-management-chemo-brain

  Chemo brain is a term commonly used to describe the cognitive decline you may experience before, during, and/or after cancer treatment, even if you have not been treated with chemotherapy. […] This mental fog, as it is often described, is marked by a lack of focus, the inability to concentrate, and trouble processing or remembering information. […] Some cancer patients only experience chemo brain for a short time, while others experience it for years. […] The severity can range greatly. Some patients notice significant changes, while other cancer patients only experience subtle mental changes. And others dont notice them at all. In many cases, patients dont bring it to the attention of their cancer care team until these changes begin affecting their everyday life. […] Talk with your oncologist if you experience any symptoms of chemo brain. He or she will want to know when the problems started and how they affect your daily life, so it is important to keep track of each time you notice issues.

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