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There is a lot of information about GIST online. The American Cancer Society (cancer.org), The American Society of Clinical Oncology (cancer.net), and the National Cancer Institute (cancer.gov) are all good sources of general information on GIST and other cancers.
The Life Raft Group and GIST Support International focus just on GIST.
If you have specific questions about your treatment, be sure to ask your doctor or GIST specialist.
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Your doctor or GIST specialist is always the first person to consult about the latest developments in treating GIST.
You can attend live events or watch webcasts. You can also join a GIST Facebook group or support group, and follow #GIST on Twitter. And be sure to sign up to receive free ongoing education, support, and information about future treatments from GISTTogether.
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Your doctor is the first person you should speak with about your GIST treatment.
The Life Raft Group and GIST Support International are both good sources for the latest developments in treating GIST. You can also join Life Raft’s online community to receive regular GIST newsletters and more information.
The American Cancer Society (cancer.org) , The American Society of Clinical Oncology (cancer.net), and the National Cancer Institute (cancer.gov) also all have valuable information.
While chat rooms and other forums can be helpful in alerting you to new developments, you also have to approach what you find there with caution. Often, it has not been reviewed by medical professionals.
Sign up to receive free ongoing education, support, and information about future treatments from GISTTogether.
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GIST stands for Gastrointestinal Stromal Tumor. It’s a soft tissue sarcoma that can occur anywhere in the digestive tract (40‑70% of GIST cases happen in the stomach, 20‑40% in the small intestine, 5‑15% in the colon or rectum, and <5% in the esophagus). Very rarely, a GIST can happen in the abdominal cavity—this is called an eGIST.
You can learn more about GIST from the American Cancer Society.
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It’s not clear exactly what causes GIST. No lifestyle or environmental risk factors have been identified, though most people with GIST do have a gene mutation, which may drive tumor development. Why that mutation happens to some people has not been determined.
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GIST is very rare. Around 4,000-6,000 cases are identified in the US each year. Only about 1% of gastrointestinal cancers are GIST. GIST can happen at any age, but is more common in people older than 50.
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Doctors say that a GIST is resistant when it no longer responds to the drugs being used to treat it. When a GIST becomes resistant to one drug, a new treatment needs to be tried. There are 2 main types of resistance you may hear about that are related to GIST:
Primary resistance means that someone really doesn’t respond to a drug at all from the start (the first 6 months of treatment). Primary resistance and intolerance to imatinib is seen in around 10‑15% of people with GIST. It is usually caused by a specific gene mutation.
Secondary resistance happens when someone who had successfully responded to a drug for a while (6 months or longer) then stops responding. Resistance can be localized/limited to one or two areas or generalized/widespread affecting more areas.
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All cancers, including GIST, begin when one or more genes in a cell mutate. A mutation is a change that’s usually caused by damage to genes in a cell at some point during a person’s life. It’s not clear why this happens.
Genes make proteins that control how cells work. Mutated cells can create abnormal proteins or prevent proteins from forming. Either can cause cells to multiply and become cancerous.
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Your doctor may recommend that you get tested for your mutation as part of your GIST treatment.
Knowing your gene mutation type can help your doctor give you the best possible treatment and avoid drugs that may not work well.
For some patients with low‑risk GIST, your doctor may decide mutational testing is not necessary.
The Life Raft Group has information about mutational testing that you may find valuable.
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Your doctor is the first person you should speak with about your GIST treatment.
You may not be aware that your GIST treatment is no longer working, or you may develop new symptoms that signal something is wrong. Because it may be hard to tell on your own, it’s important to have a plan for regular follow-up appointments and tests with your care team.
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Unfortunately, even people with GIST who seem to be responding well to treatment sometimes get bad news from their doctors. Some tumors are slow growing and will not show much progress, sometimes for several years, but will then become more serious. Others may be effectively controlled by medication but then develop resistance. Still other people may be in remission with no detectable cancer and, at some point, it will come back (recurrence).
GIST specialists have seen it all and will work with you to create the best plan of action possible, whether it’s different drugs, surgery, a clinical trial, and/or palliative care.
Despite best efforts, recovery from GIST is not always possible. At some point, treatment options may run out. If this happens, it’s really important to have open and honest communication with your family and healthcare team about your feelings, preferences, and concerns. The American Society of Clinical Oncology has a free downloadable booklet, Advanced Cancer Care Planning that you may find helpful (also available in Spanish).
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Consider sharing information about your GIST treatment with the Life Raft Group Patient Registry. It’s an ongoing research study on the natural history of GIST and treatment outcomes. Your data will help researchers looking for a cure.
GIST Support International has created GIST Listserv. It’s an online community where members support each other and exchange treatment information and tips about living with cancer.
You can also become a Life Raft volunteer or mentor to share your experience directly with someone who could use your support.
The American Cancer Society also has many ways you can get involved.
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It is important to establish good communication with your doctor and care team, and to come up with a care plan based on your personal results and needs.
Everyone’s experience with GIST is different. Some need surgery, others don’t. Some may have slow growing tumors, others fast. Some may respond well to treatment, others do not. The only GIST you need to think about is your own.
It can be helpful to hear what other people with GIST have gone through. Support groups can listen to what’s on your mind and share practical advice and experience. You can meet other people who have been in your shoes at:
- The Life Raft and their Facebook group
- GIST International and their Facebook group
- The GIST Cancer Awareness Foundation
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Other people with GIST and support groups can lend sympathetic ears and share practical advice and experience. You can hear from people who understand what you're going through at:
- The Life Raft and their Facebook group
- GIST International and their Facebook group
- The GIST Cancer Awareness Foundation
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Many organizations can help people with GIST afford treatment. GIST Support International and The Life Raft Group both list groups providing help for everything from co-pays to travel assistance and lodging for your family.
The National Cancer Institute also offers insights into managing costs and medical information, including information on Medicare and Medicaid.
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GIST Support International has a searchable database of GIST specialists by location. You can also consult The Life Raft Group.
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Some people with advanced GIST consider joining a clinical trial for the chance to try a new treatment that is not approved by the FDA for GIST yet. You can read about new trials for GIST treatments at Life Raft Group’s Clinical Trials website. The National Cancer Institute and The National Institute of Health also offer information about clinical trials.
Also, be sure to sign up for ongoing education, support, and information about future treatments from GISTTogether.
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All the drugs used to treat GIST may have side effects. If you experience any, tell your doctor because he or she may have ways to help you handle them.
The Life Raft Group has a guide to managing side effects and a web-based platform called SideEQ which makes them easier to track and manage. The American Cancer Society offers online help for managing cancer-related side effects including treatment side effects such as hair loss, fatigue, and skin conditions. Emotional burdens are also common among people living with GIST.
Palliative care is a team approach aimed at improving the quality of life of people facing a life-threatening illness and that of their families. It tries to prevent and relieve suffering with ways to approach pain and other physical, emotional, and spiritual issues. Palliative treatments may include medication, nutritional changes, relaxation techniques, and emotional and spiritual support.
The Center to Advance Palliative Care offers some guidelines for how to get palliative care and get started with your doctor and care team.
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The GIST Mentor Program from The Life Raft Group helps people with GIST and their care partners navigate through diagnosis, treatment, and recovery. The free service will put you in touch with someone who understands where you’re coming from because they have been there themselves.
Mentors can offer:
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Assistance in daily management
Mentors use their own experiences with diet, physical activity, and medicine to help you figure out how to manage GIST in your own life. They can also help identify key resources, such as where to buy healthy foods or go to exercise.
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Social and emotional support
Mentors are good listeners. They can help guide you through social or emotional issues and encourage you to stay motivated.
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Connections to clinical care and community resources
Mentors can help bridge the gap between you and healthcare providers, and direct you to other resources.
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Ongoing, long-term support
Mentors provide proactive, flexible, and continual long-term follow-up.
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Assistance in daily management