Managing diabetes every single day takes a lot of hard work. You check your blood sugar, watch what you eat, and take your medicines on time. But even when you do your best, high blood sugar over many years can start to harm important organs in your body. Two areas that often take a heavy hit are your kidneys and your heart.
If you have both type 2 diabetes and chronic kidney disease, you are not alone. Doctors and scientists are always looking for better ways to protect these vital organs and help you live a longer, healthier life. That is why health experts take a close look at a medicine called Kerendia. This guide will walk you through what Kerendia does, how to use it safely, and what the research shows about its real benefits.
Key Takeaways
- Kerendia contains the active medicine finerenone.
- It helps protect your kidneys and heart if you have type 2 diabetes and chronic kidney disease.
- You take it once a day with or without food.
- Regular blood tests are necessary to check your potassium levels while taking this medicine.
- Always avoid grapefruit and grapefruit juice while taking Kerendia.
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How Kerendia Helps People with Diabetes and Kidney Disease
If you have type 2 diabetes, high blood sugar levels over a long period can damage your blood vessels. When blood vessels inside your kidneys get hurt, your kidneys cannot filter waste and extra fluid out of your blood the way they should. Doctors call this condition chronic kidney disease (CKD). Over time, CKD can get worse and may eventually lead to kidney failure.
High blood sugar also puts a heavy strain on your heart and blood vessels. This raises your risk of having a stroke, a heart attack, or developing heart failure. When your kidneys do not work well, your heart has to work even harder to pump blood. Because of this, having diabetes, CKD, and heart problems at the same time can increase your overall health risks.
Simply put, the key to solving these diabetes-related health problems is keeping your blood sugar in a safe range. If you also have high blood pressure, your doctor will help you control that with medicine too.
Controlling your blood sugar and blood pressure limits damage to your heart, blood vessels, and kidneys. But doctors also use specific medicines designed to give your kidneys extra protection. Kerendia is one of those special medicines.
Kerendia protects your heart and kidneys in a unique way. The active ingredient in these tablets is called finerenone. It blocks a specific receptor in your body called the mineralocorticoid receptor (MR), which is found in your kidneys, heart, and blood vessels.
In people with type 2 diabetes, this receptor can become too active. When Kerendia blocks it, your kidneys get help removing extra sodium (salt) from your blood. It also helps reduce swelling (inflammation) and the buildup of scar tissue (fibrosis) in your heart and blood vessels. Taking this medicine over time lowers your risk of serious health problems.
How Should You Use This Medicine?
Kerendia is a tablet that you take by mouth once a day. You can take it with or without food. If you find it hard to swallow whole pills, you can crush the tablet and mix it with a little water or a soft food like applesauce. If you mix it with food or water, you must take it right away.
After you start taking Kerendia, your doctor will check the potassium level in your blood often. Because of this, you must go to every blood test appointment your doctor gives you. Based on your blood test results, your doctor may tell you to raise your dose, lower your dose, or stop taking the medicine for a few days.
If you miss a dose of Kerendia, take it as soon as you remember on the same day. If you do not remember until the next day, skip the missed dose completely. Never take a double dose to make up for a missed one, because double doses can raise your risk of side effects.
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Check Availability →What Studies Were Done on This Medicine?
You might wonder how much you can trust this medicine and who tested it. Researchers ran large clinical studies to find out how safe and effective Kerendia is for adults with type 2 diabetes and CKD. The people in these studies had an average age of about 64 years.
Important Details About People in the Study
- Everyone in the study had type 2 diabetes and chronic kidney disease.
- Some people had heart disease in the past, but none of them showed symptoms when the study started.
- Everyone was already taking a standard medicine to protect their kidneys.
- About 97 percent of the participants used medicine to control their blood sugar.
- Researchers compared Kerendia against a dummy pill with no medicine inside, called a placebo. Neither the patients nor the doctors knew who got the real medicine.
One of the main studies measured how many serious kidney-related events happened while patients took the medicine, such as:
- Worsening kidney disease.
- Total kidney failure.
- Death caused by kidney disease.
Another study measured how many serious heart and blood vessel events happened, such as:
- Having a stroke or a heart attack.
- Going to the hospital for heart trouble.
- Death caused by heart problems.
What Did the Study Results Show?
Kidney Problems: In a study lasting about 2.5 years, people who took Kerendia had fewer serious kidney problems than people who took the placebo. This means Kerendia helped prevent severe drops in kidney function, kidney failure, and death from kidney disease.
Heart Problems: In a study lasting about 3.5 years, people who took Kerendia had fewer serious heart problems than those who took the placebo. This means Kerendia helped prevent heart attacks, strokes, hospital stays for heart trouble, and deaths related to heart disease.
Side Effects and How to Manage Them
Like any medicine, Kerendia can cause side effects. The most important side effect to watch for is a rise in your blood potassium level. This is why your doctor checks your blood so often.
| Possible Side Effects / Risks | What You Should Do / Avoid |
|---|---|
| High blood potassium levels. | Never take potassium supplements unless your doctor tells you to. Go to all scheduled blood test appointments. |
| Using salt substitutes. | Many store-bought salt substitutes contain high amounts of potassium. Avoid these and ask your doctor about your diet. |
| Interactions with other medicines. | Tell your doctor about every medicine you take, including vitamins and herbal products. |
| Interactions with grapefruit. | Avoid completely. Eating grapefruit or drinking grapefruit juice while taking Kerendia can raise medicine levels in your body and increase side effects. |
The most important rule is that if you feel any unusual symptoms that bother you, talk to your doctor right away.
When you take this medicine, you might not feel any big difference in your body right away. That is because its main job is to slow down damage happening inside your body over time. Because of this, even if you feel completely fine, never stop taking your medicine without talking to your doctor first.
When to Seek Emergency Help
Call 911 (US/Canada), 999 (UK), or go to your nearest Emergency Department right away if you experience severe chest pain, sudden weakness on one side of your body, severe trouble breathing, or signs of a severe allergic reaction like swelling of your face, lips, or throat.
💡 Take-Home Message
- Kerendia is a special medicine that lowers the risk of heart and kidney damage for people who have both type 2 diabetes and chronic kidney disease.
- While taking this medicine, you must watch out for high blood potassium levels by going to all scheduled blood tests.
- Never stop taking Kerendia or your other blood pressure and diabetes medicines without your doctor's advice.
- Avoid eating grapefruit or drinking grapefruit juice entirely while taking Kerendia.
- Always tell your doctor about all other medicines, vitamins, and supplements you take.
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