Last Updated on October 20, 2025 by
Treating cancers with targeted therapy has changed the game in oncology. It brings precision and hope to patients everywhere. But, like any advanced treatment, it has its downsides.
At Livhospital.com, we know that patients and doctors face many risks with targeted therapies. These include developing resistance and serious side effects.

Our care is all about managing these risks and supporting you through treatment. In this article, we’ll look at the latest on the downsides of treating cancers with targeted therapy. We’ll also talk about how top hospitals like ours tackle these challenges.
Targeted therapy has changed cancer treatment a lot. It focuses on being precise and effective. Now, we treat cancer in a more personalized way, moving away from old methods.
Targeted therapy is a new way to fight cancer. It uses drugs or substances to find and attack cancer cells without harming healthy ones. This is different from old chemotherapy, which hurts both cancer and healthy cells.
Targeted therapies find specific markers on cancer cells. Then, they use this info to attack those cells directly. They can stop cancer cells from growing, make them die, or stop new blood vessels from forming.
Some therapies target proteins that help cancer cells grow and survive. By blocking these proteins, they can stop cancer cells from multiplying.
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For years, chemotherapy has been a main cancer treatment. But it has big problems, like hurting healthy cells and causing side effects. Targeted therapy is more precise, which means less harm to healthy cells.
Chemotherapy can work, but targeted therapy is a big step up. It targets cancer cells’ specific traits, making it a better option with fewer side effects.
Targeted therapy is a key part of fighting cancer. As research gets better, we expect even better treatments. These will be safer and more effective.
Targeted cancer treatments are showing great promise. They offer new hope for both patients and doctors. These therapies target cancer cells’ unique traits, making treatment more precise.
Targeted therapy for cancer has a big advantage. It can target cancer cells while leaving healthy tissue alone. This is because it finds specific molecular targets in cancer cells.
This precision means targeted oncology treatments work better and have fewer side effects. Unlike traditional chemotherapy, they don’t harm as many healthy cells.
Targeted therapies offer a more personalized approach to fighting cancer. They focus on the genetic mutations or proteins that make cancer cells grow. This way, they can inhibit tumor growth without harming normal cells.
Another benefit of targeted therapy is its ability to lower systemic toxicity. Traditional treatments often harm healthy cells, leading to side effects. Targeted therapies aim to avoid this, reducing harm to normal tissues.
This means targeted therapies can improve cancer patients’ quality of life. It’s key for those with advanced cancer or long-term treatment. As therapies cancer research continues, we’ll see even better and safer treatments.
Targeted therapy has changed how we fight cancer, but it faces a big challenge: resistance. We need to understand and fight this resistance to make treatments better.
About 20-40% of patients show resistance to targeted therapy. This high rate shows we must learn more about resistance and find ways to beat it. It’s key for better treatments and patient results.
Factors contributing to resistance include genetic changes, changes in the tumor environment, and cancer cell diversity. Knowing these helps us find ways to fight back.
Resistance to targeted therapy comes from many complex sources. Cancer cells can resist by changing the target gene, using other pathways, or protecting themselves from drugs.
For example, secondary mutations can make the drug less effective. Cancer cells can also grow by using other pathways, even with therapy. Learning about these ways helps us create better treatments.
To fight resistance, we’re looking at new approaches. This includes using drugs that target several pathways at once and making next-generation treatments that work better and resist less.
Targeted therapy is precise in attacking cancer cells. Yet, its long-term success is a worry. We need to tackle the problem of its decreasing effectiveness over time.
Cancer cells can resist targeted therapies in many ways. They might change their genes, find new paths to grow, or push drugs out. This makes the treatment less effective, causing the disease to get worse.
These changes are complex. For example, cancer cells can change to survive longer and spread more. It’s key to understand these changes to find ways to beat resistance.
To fight the decline in treatment success, we have a few options:
By using these methods, we can make targeted treatments more effective in the long run. This can lead to better results for patients.
Targeted cancer treatments have changed how we fight cancer. But, they can also harm the heart. It’s important to understand how these treatments affect the heart.
Some targeted drugs can harm the heart. Trastuzumab and sunitinib are examples. Trastuzumab can cause heart problems in many patients. Sunitinib may lead to high blood pressure and heart issues.
It’s key to check the heart before and during treatment. This helps reduce risks.
Hypertension is a common side effect of many targeted therapies. This is true for drugs that block VEGF signaling. It’s vital to manage high blood pressure to avoid heart problems.
We suggest a proactive approach to managing high blood pressure. This includes regular checks and quick action. It helps reduce heart risks from targeted therapy.
Pulmonary side effects, like interstitial lung disease, are big worries for those on targeted therapy. These treatments are great for fighting cancer but can harm the lungs. We must watch out for these risks.
Interstitial lung disease (ILD) causes lung inflammation and scarring. It leads to coughing, shortness of breath, and feeling tired. Up to 12% of patients on targeted therapy get ILD, making it a big worry.
ILD can happen for many reasons, like the treatment used, health problems, or past lung issues. Early detection is key to treating ILD well and stopping it from getting worse.
To lower the risks of lung problems, we suggest detailed respiratory checks for patients on targeted therapy. This includes:
By being proactive with lung checks, we can spot problems early. This helps patients get better and live better during treatment.
In short, targeted therapy is a big help in fighting cancer. But we must watch out for lung side effects. With careful monitoring and quick action, we can keep patients safe and healthy.
Targeted treatments are a big step forward in cancer care. But, they can cause skin problems that really affect how patients feel. These issues can be anything from mild irritation to serious conditions that need doctor’s help.
People on targeted therapies might see different skin problems. These include:
These skin issues can be really upsetting. They might make patients stop their treatment. It’s very important to manage these skin problems well. This helps keep patients comfortable and on their treatment path.
Supportive care is key in handling skin side effects from targeted treatments. This includes:
A top oncologist says, “Taking care of skin side effects is vital for better patient outcomes and quality of life.” We need to work with patients to create care plans that meet their needs and worries.
“The skin is the biggest organ, and its reaction to targeted therapy can be a big challenge for patients. Our job is to give full care that’s more than just fighting cancer.”
By taking a whole-person approach to care, we can lessen the effects of skin problems. This makes the treatment journey better for everyone.
Targeted cancer therapies are expensive to develop and produce. This is a big problem for healthcare providers and patients. The cost of these treatments is affecting many people.
These therapies have changed cancer treatment for the better. They are more precise and often work better. But, making them is very costly.
Making targeted therapies is very expensive. Pharmaceutical companies spend a lot on research and development. These costs are then paid by the people who use the treatments. The production process also adds to the cost.
Doing clinical trials for these therapies is also very expensive. These trials are important for making sure treatments are safe and work well. But, they cost a lot of money.
The cost of targeted therapies affects healthcare systems too. Healthcare providers face challenges in funding these treatments. They need to make sure patients get the care they need.
The high cost of these therapies can make it hard for healthcare systems to afford other important services. If the cost keeps going up, it could make healthcare systems unstable.
To deal with these issues, healthcare systems are trying different things. They are negotiating prices with pharmaceutical companies and doing cost-effectiveness analyses for new treatments. This way, they can make sure these treatments are available to those who need them.
Global disparities in access to targeted therapy are a big challenge in cancer treatment. Even with new medical tech and treatments, many patients worldwide can’t get these therapies.
How easy it is to get targeted therapy varies a lot by region. This is because of things like healthcare setup, rules, and how drugs are spread out. In many poor countries, limited access to healthcare facilities and specialized treatment centers makes it hard to get these therapies.
Also, there are big differences in access to therapy within countries. Rural areas often have fewer healthcare options than cities. This makes it harder for people in these areas to get advanced cancer treatments.
Socioeconomic factors are key in who gets targeted therapy. High treatment costs and lack of insurance coverage stop many patients. Even in countries with good healthcare, the poor often can’t afford these expensive treatments.
Also, educational disparities and awareness about available treatments matter. Patients who don’t know about new treatments or can’t find their way through the healthcare system might miss out on life-saving therapies.
To fix these access issues, we need to do many things. We must improve healthcare, make insurance better, and work on policies to help those who are poor or less educated.
Targeted therapy is complex and needs a team effort to manage its risks. A multidisciplinary approach is key to handling these challenges.
Managing targeted therapy risks requires a detailed care plan. A team of different healthcare experts is needed to give the best care.
A team of specialists is vital for managing targeted therapy. This team includes oncologists, cardiologists, and more. They work together to tackle the challenges of targeted therapy.
Supportive care professionals like nurses and nutritionists are also important. They help ensure patients get comprehensive care that covers their overall health.
Proactive monitoring helps catch problems early. This allows for quick action. Regular checks are key to spotting side effects like heart or skin issues.
With proactive monitoring, doctors can act fast to lessen side effects. This helps improve patient results. It also lets the team adjust treatment plans for better safety and effectiveness.
We think a team effort, along with early checks and quick action, is essential. It helps make targeted therapy safer and more effective.
Using evidence-based protocols is key to reducing the downsides of targeted therapy. By following tested guidelines and trying new methods, we can improve patient results.
Keeping up with new academic guidelines is vital for better targeted therapy. These guidelines come from thorough research and trials. They help doctors give the best and safest treatments.
Key components of up-to-date academic guidelines include:
Following guidelines is important, but new ideas are also key in lowering risks. This includes new drug delivery, personalized medicine, and advanced monitoring.
Innovative risk reduction strategies may involve:
By using these protocols and new ideas, we can greatly reduce the downsides of targeted therapy. This makes it safer and more effective for patients.
Targeted therapy has changed how we treat cancer, making treatments more precise and less harmful to the body. But, it also has its downsides. These include the cancer becoming resistant, side effects to the heart and lungs, and high costs.
At Livehospital.com, we understand the challenges of targeted therapy. We aim to give our patients the best care to handle these issues. Our team works together to create treatment plans that are tailored to each patient’s needs.
We follow the latest research and guidelines to make targeted therapy work better for our patients. Our care goes beyond just treatment. We support our patients every step of the way, helping them through their cancer journey.
Targeted therapy is more precise and has fewer side effects than traditional chemotherapy. It aims to improve patient outcomes and quality of life by targeting specific cancer cells.
Resistance to targeted therapy happens when cancer cells find ways to avoid treatment. This issue affects 20-40% of cases. We are working to understand and overcome this challenge.
Cancer cells can develop resistance to treatments over time. This makes treatments less effective. We are exploring ways to combat this and ensure treatments remain effective.
Targeted therapy can cause side effects like heart problems, lung issues, and skin reactions. We are working to manage these side effects and improve patient comfort.
Targeted therapies are more expensive to develop and produce than traditional treatments. This creates a significant financial burden on healthcare systems. We are examining the financial impact and its implications for patient access.
Disparities in access to targeted therapy are a major issue. We are exploring ways to address these disparities and ensure everyone has access to necessary treatments.
A team approach is essential for managing the risks of targeted therapy. We emphasize the importance of a well-coordinated care team and proactive monitoring to improve patient outcomes.
Using evidence-based protocols is key to reducing the drawbacks of targeted therapy. We are focusing on up-to-date guidelines and innovative strategies to enhance patient care and outcomes.
Montoya, S., et al. (2021). Targeted therapies in cancer: To be or not to be, selective. Frontiers in Oncology, 11, 750195. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8615814/
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