A woman with a bandage on her neck after thyroid surgery.

 

Keto Diet for Thyroid Cancer: New Study, New Possibilities

The keto diet for thyroid cancer has emerged as an important potential natural healing method, offering hope for patients seeking alternative treatments.

Thyroid cancer is the most common malignancy of the endocrine system and the ninth most common cancer globally. Differentiated thyroid carcinoma (DTC), which includes papillary thyroid carcinoma (PTC) and follicular thyroid carcinoma (FTC), makes up approximately 90% of thyroid malignancies.

Patients with radioiodine-refractory differentiated thyroid carcinoma (RAIR-DTC) face significant challenges.

About 5-15% of those with DTC develop RAIR-DTC, which does not respond to conventional radioactive iodine treatment. This resistance leads to a poor prognosis, with a 10-year survival rate of around 10%. Consequently, new therapeutic approaches are urgently needed.

A new 2024 study highlights the potential of the ketogenic diet to improve outcomes for RAIR-DTC patients. Researchers at Zhejiang Cancer Hospital found that the keto diet, which increases levels of the ketone body acetoacetate (AcAc), might enhance the effectiveness of radioiodine therapy and suppress tumor growth.

This finding opens new avenues for RAIR-DTC treatment and underscores the potential of dietary interventions in cancer management.

In this article, we’ll explore how the ketogenic diet works, the scientific evidence supporting its use for thyroid cancer, and practical tips for patients interested in incorporating this diet into their treatment plan. By understanding these aspects, patients and caregivers can make informed decisions about their health and treatment options.

 

Researchers at Zhejiang Cancer Hospital found that the keto diet, which increases levels of the ketone body acetoacetate (AcAc), might enhance the effectiveness of radioiodine therapy and suppress tumor growth.

 

Understanding Thyroid Cancer and RAIR-DTC

 

Thyroid Cancer Overview

Thyroid cancer is the most common malignancy of the endocrine system and ranks as the ninth most common cancer overall. It primarily involves the thyroid gland, a butterfly-shaped gland located at the base of the neck.

Differentiated thyroid carcinoma (DTC) is the most prevalent type of thyroid cancer, accounting for about 90% of all cases. DTC includes two main subtypes: papillary thyroid carcinoma (PTC) and follicular thyroid carcinoma (FTC).

 

A woman is having a thyroid ultrasound imaging.
Thyroid cancer is the most common malignancy of the endocrine system and ranks as the ninth most common cancer overall.

 

Papillary thyroid carcinoma (PTC) is the most common subtype, known for its slow growth and high treatability. Follicular thyroid carcinoma (FTC), while less common, also typically has a good prognosis when detected early. Both PTC and FTC are identified based on specific histopathological criteria, which help in determining the appropriate treatment plan.

 

Challenges of RAIR-DTC

Radioiodine-refractory differentiated thyroid carcinoma (RAIR-DTC) represents a significant clinical challenge. In the United States, approximately 5-15% of patients with differentiated thyroid cancer (DTC) develop RAIR-DTC.

Among those with metastatic DTC, about 60-70% eventually become refractory to radioiodine therapy. This condition means that the cancer does not respond to conventional radioactive iodine treatment, which is a standard therapy for thyroid cancer.

The resistance to radioiodine significantly impacts prognosis and treatment strategies. Patients with RAIR-DTC have a much lower survival rate compared to those whose cancer remains responsive to radioiodine.

The 10-year survival rate for RAIR-DTC patients drops to around 10%, highlighting the urgent need for new therapeutic approaches. Understanding the prevalence and challenges of RAIR-DTC is crucial for improving patient outcomes and developing effective treatments.

 

Radioactive iodine therapy for thyroid
Among those with metastatic DTC, about 60-70% eventually don’t respond to conventional radioactive iodine treatment.

 

Importance of Finding New Therapeutic Approaches

Given the poor prognosis associated with RAIR-DTC, finding new treatment strategies is essential. Traditional therapies often fall short for these patients, necessitating innovative approaches.

Recent research, such as the study conducted by Zhejiang Cancer Hospital, offers hope by exploring alternative treatments like the ketogenic diet.

This study’s findings suggest that dietary interventions, particularly the ketogenic diet, may provide significant benefits for RAIR-DTC patients. By increasing the levels of acetoacetate (AcAc), a ketone body, the ketogenic diet could enhance the effectiveness of existing treatments and improve patient outcomes.

As we dig into the potential of the keto diet for thyroid cancer, it becomes clear that exploring such innovative strategies is vital for those battling this challenging condition.

 

Finding new treatment strategies is essential, as traditional therapies often fall short for these patients.

Recent research now offers hope for the ketogenic diet as an alternative treatment.

 

The Role of the Keto Diet in Cancer Management

The ketogenic diet, commonly known as the keto diet, is a high-fat, low-carbohydrate eating plan. This diet drastically reduces carbohydrate intake and replaces it with fat. As a result, the body enters a metabolic state called ketosis. In ketosis, the body becomes more efficient at burning fat for energy. It also turns fat into ketones in the liver, which can supply energy for the brain.

 

How the Keto Diet Affects Cancer Metabolism

Cancer cells often have altered metabolism, relying heavily on glucose for energy. The keto diet aims to reduce glucose availability, effectively starving cancer cells while providing an alternative energy source for normal cells. This shift can make it more challenging for cancer cells to grow and proliferate.

 

A plate featuring a steak, mushrooms and cooked spinach.
The ketogenic diet is a high-fat, low-carbohydrate eating plan, which drastically reduces carbohydrate intake and replaces it with fat.

 

The 2024 study by Jiaqi Wang and colleagues at Zhejiang Cancer Hospital provides compelling evidence for the benefits of the keto diet in managing RAIR-DTC. The research focused on acetoacetate (AcAc), a ketone body produced during ketosis. They found that AcAc levels were significantly lower in RAIR-DTC patients compared to those without the condition. This finding led to further investigation into how increasing AcAc levels might benefit these patients.

 

Cancer cells often have altered metabolism, relying heavily on glucose for energy.

The keto diet reduces glucose availability, effectively starving cancer cells while providing an alternative energy source for normal cells.

 

Scientific Basis for Keto Diet in Cancer

The study revealed that AcAc plays a critical role in enhancing the effectiveness of radioiodine therapy for RAIR-DTC. AcAc was shown to increase the expression of sodium iodide symporter (NIS) and thyroid-stimulating hormone receptor (TSHR) in cancer cells. These proteins are crucial for the uptake of radioiodine by thyroid cells. By boosting their expression, AcAc improves the cancer cells’ ability to absorb radioiodine, making the treatment more effective.

The researchers concluded, “AcAc improved cellular iodine uptake and had antitumor effects for thyroid carcinoma,” which opens new therapeutic avenues for RAIR-DTC treatment.

In addition, AcAc exhibited significant antitumor effects. Laboratory experiments demonstrated that AcAc inhibits cell proliferation, migration, and invasion while promoting apoptosis (programmed cell death) in thyroid cancer cells. These effects collectively suggest that a ketogenic diet could suppress tumor growth and enhance the therapeutic efficacy of existing treatments.

 

The researchers concluded, “[the ketone] AcAc improved cellular iodine uptake and had antitumor effects for thyroid carcinoma,” which opens new therapeutic avenues for RAIR-DTC treatment.

 

Benefits of the Keto Diet for RAIR-DTC Patients

For patients with RAIR-DTC, incorporating a ketogenic diet could offer several benefits:

  • Enhanced Radioiodine Uptake: By increasing AcAc levels, the keto diet can improve the cancer cells’ ability to absorb radioiodine, making the treatment more effective.
  • Suppressed Tumor Growth: The antitumor effects of AcAc, including reduced cell proliferation and increased apoptosis (cell death), can help control the spread of cancer.
  • Complementary Therapy: The keto diet can be used alongside conventional treatments, potentially improving overall treatment outcomes without significant side effects.

 

In Vivo Experiments and Practical Implications

The study also conducted in vivo experiments using mouse models. Mice on a ketogenic diet showed significantly elevated AcAc levels in their serum. These mice exhibited suppressed tumor growth and improved expression of NIS and TSHR in their tumor tissues.

Importantly, the ketogenic diet did not negatively impact their body weight, indicating its safety and feasibility as a complementary therapy.

The study emphasizes, “KD might be a new therapeutic strategy for RAIR-DTC,” providing a complementary approach that could improve outcomes for patients battling this challenging form of thyroid cancer.

Incorporating the keto diet into a treatment plan for RAIR-DTC patients could thus provide a multifaceted approach to managing the disease. Patients should consult with their healthcare providers to understand how best to implement this diet and monitor their progress.

In the next section, we will explore practical tips for patients interested in adopting the ketogenic diet as part of their treatment strategy. We will provide guidance on how to start, what to eat, and how to ensure nutritional balance while following this diet.

 

The study emphasizes, “KD [ketogenic diet] might be a new therapeutic strategy for RAIR-DTC,” providing a complementary approach that could improve outcomes for patients battling this challenging form of thyroid cancer.

 

Practical Tips for Adopting the Keto Diet for Thyroid Cancer

Incorporating a ketogenic diet into your treatment plan can offer multiple benefits. This diet may enhance the effectiveness of radioiodine therapy, suppress tumor growth, and complement traditional cancer treatments.

By increasing levels of acetoacetate (AcAc), the keto diet improves the cancer cells’ ability to absorb radioiodine, making treatments more effective. Moreover, its antitumor effects, including reduced cell proliferation and increased apoptosis, help control cancer spread.

 

Getting Started with the Keto Diet

Understand the Basics: The ketogenic diet focuses on high-fat, moderate-protein, and low-carbohydrate foods. The typical macronutrient ratio is about 70-80% fat, 10-20% protein, and 5-10% carbohydrates. This ratio helps your body enter and maintain ketosis.

Read:  How Many Carbs a Day on Keto? – Your Ultimate Guide

 

The typical macronutrient ratio is about 70-80% fat, 10-20% protein, and 5-10% carbohydrates. This ratio helps your body enter and maintain ketosis.

 

What to Eat on the Keto Diet

An image of an avocado cut in half
Avocados are a delicious and nutritious source of fat on a keto diet.

High-Fat Foods:

  • Avocados
  • Nuts, flax seeds
  • Butter, coconut oil
  • Fatty meat and fish like salmon and mackerel
  • Cheese and full-fat dairy products

 

An image of prawns and cocktail sauce
Meat, poultry, fish and other seafood are excellent protein options.

Moderate-Protein Foods:

  • Meat and poultry
  • Eggs
  • Fish and seafood

 

An image of a fresh leafy salad.
Leafy greens like those in a spring mix make a great keto salad.

 

Low-Carbohydrate Vegetables:

  • Leafy greens (spinach, kale)
  • Cruciferous vegetables (broccoli, cauliflower)
  • Zucchini and bell peppers

 

Avoid High-Carbohydrate Foods:

  • Sugary foods and beverages
  • Grains and starches (bread, pasta, rice)
  • High-carb fruits (bananas, apples)
  • Root vegetables (potatoes, carrots)

 

Ensuring Nutritional Balance

Planning your meals can help you stick to the keto diet and ensure you get a variety of nutrients

 

Stay Hydrated: Drink plenty of water throughout the day. Staying hydrated helps your body function optimally and can ease the transition into ketosis.

Monitor Electrolyte Levels: When starting the keto diet, your body may excrete more sodium, potassium, and magnesium. Ensure you get enough electrolytes by eating foods rich in these minerals or considering supplements if necessary.

Plan Your Meals: Planning your meals can help you stick to the keto diet and ensure you get a variety of nutrients. Include a balance of fats, proteins, and low-carb vegetables in your meals.

Track Your Progress: Keep track of your daily macronutrient intake to ensure you are maintaining the correct ratios. Many apps and online tools can help you monitor your diet and stay on track.

 

Practical Tips for Success

Start Slowly: Transition into the keto diet gradually to allow your body to adjust. Start by reducing your carbohydrate intake and increasing healthy fats.

Listen to Your Body: Pay attention to how your body responds to the diet. It’s normal to experience some initial side effects like fatigue or headaches, known as the “keto flu.” These usually pass within a few days.

Seek Support: Join online forums or local support groups for individuals following the keto diet. Sharing experiences and tips with others can provide motivation and make the transition easier.

 

Key Takeaways

Enhanced Radioiodine Uptake: The keto diet increases levels of acetoacetate (AcAc), which enhances the expression of sodium iodide symporter (NIS) and thyroid-stimulating hormone receptor (TSHR) in thyroid cancer cells. This improvement boosts the cancer cells’ ability to absorb radioiodine, making the treatment more effective.

Suppressed Tumor Growth: AcAc, produced during ketosis, has significant antitumor effects. It inhibits cell proliferation, migration, and invasion while promoting apoptosis (programmed cell death) in thyroid cancer cells. These effects collectively help in controlling the spread of cancer.

Complementary Therapy: The ketogenic diet can complement traditional cancer treatments. By enhancing the effectiveness of radioiodine therapy and providing additional antitumor benefits, the keto diet offers a multifaceted approach to managing radioiodine-refractory differentiated thyroid carcinoma (RAIR-DTC).

Practical Implementation: Starting the keto diet involves consulting with healthcare providers, understanding the basic principles of the diet, and focusing on high-fat, moderate-protein, and low-carbohydrate foods. Planning meals, staying hydrated, and monitoring electrolyte levels are essential for maintaining nutritional balance and ensuring the success of the diet.

Positive Research Findings: A recent study by Zhejiang Cancer Hospital highlighted the potential of the keto diet as a new therapeutic strategy for RAIR-DTC. The study found that the ketogenic diet significantly elevated AcAc levels in the serum, suppressed tumor growth, and improved the expression of NIS and TSHR without affecting body weight. This suggests that dietary interventions could improve treatment outcomes for patients battling this challenging form of thyroid cancer.

 

Final Thoughts

The keto diet for thyroid cancer presents a promising approach to improving treatment outcomes for patients, particularly those with radioiodine-refractory differentiated thyroid carcinoma (RAIR-DTC). By enhancing the effectiveness of radioiodine therapy and providing significant antitumor benefits, the ketogenic diet offers a multifaceted solution for this challenging condition.

Research from Zhejiang Cancer Hospital underscores the potential of acetoacetate (AcAc) in boosting radioiodine uptake and suppressing tumor growth. These findings highlight the importance of exploring dietary interventions as complementary treatments.

Incorporating the keto diet can be a proactive step toward better managing thyroid cancer. With careful planning and monitoring, this dietary approach may provide important additional support alongside conventional therapies, offering hope for improved prognosis and quality of life.

 

References

  • Metabolomics reveals the implication of acetoacetate and ketogenic diet therapy in … thyroid carcinoma. May, 2024, The Oncologist
  • Global Cancer Statistics: GLOBOCAN Estimates of Incidence and Mortality Worldwide… American Cancer Society Journals
  • Radioiodine refractoriness score: A multivariable prediction model for postoperative radioiodine-refractory differentiated thyroid carcinomas. Cancer Medicine
  • Scoring system and a simple nomogram for predicting radioiodine refractory differentiated thyroid cancer: a retrospective study. EJNMMI Research
  • Management of Progressive Radioiodine-Refractory Thyroid Carcinoma: Current Perspective. Cancer Management and Research

 

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By powerflax.net

Laurie Tsemak is the founder and co-owner of PowerFlax Holdings Inc. and Red Square Bakery. Laurie and her husband, Mark have spent 34 years in the wholesale and retail baking field, focusing on innovative product development to serve health-conscious customers and forward-thinking commercial bakeries.

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