RecruitingOBSERVATIONAL

Recovery Rate in Secondary Hypothyroidism

This study, called 'Recovery Rate in Secondary Hypothyroidism', is for adults aged 18 and over who have a specific type of underactive thyroid called secondary hypothyroidism, caused by issues with their pituitary gland. If you're currently taking levothyroxine to manage this condition, this research aims to understand how many people can actually recover and no longer need their medication. We will carefully reduce your levothyroxine dose step-by-step, closely monitoring your hormone levels. If your body starts producing enough thyroid hormone naturally, you might be able to stop taking the medication. This study could help doctors understand who might recover and potentially avoid lifelong treatment.

At a glance

Status

Recruiting

Sponsor

Nova Scotia Health Authority

Enrolment target

Start

04 Apr 2022

Estimated completion

31 Dec 2025

Secondary Hypothyroidism

What is this study about?

This study is called 'Recovery Rate in Secondary Hypothyroidism'. That's a bit of a mouthful, so let's break it down. Your thyroid gland produces important hormones that control your body's energy. In hypothyroidism, your thyroid doesn't make enough of these hormones. 'Secondary hypothyroidism' means the problem isn't directly with your thyroid gland, but with another gland in your brain called the pituitary gland, which tells your thyroid what to do.

Many people with this condition take a daily medication called levothyroxine to replace the missing hormones. This study wants to find out if some people with secondary hypothyroidism might actually recover and no longer need this medication. Sometimes, after a pituitary problem, the body might start working properly again and produce enough thyroid hormone on its own.

We don't know for sure who might recover and who won't, so this study aims to shed light on that. By carefully reducing and potentially stopping levothyroxine under close medical supervision, researchers hope to see if people's bodies can manage without it. This could help doctors understand the condition better and improve how people are cared for in the future.

Key takeaways

Aims to see if people with secondary hypothyroidism can recover.
Involves carefully reducing your levothyroxine medication.
Close monitoring with regular blood tests is a key part of the study.
You might be able to stop daily medication if your body recovers.
Strict safety measures are in place, and you can withdraw anytime.

Who may be eligible?

To join this study, you need to be an adult, aged 18 or older, and have a confirmed diagnosis of secondary hypothyroidism. This means your underactive thyroid is due to a problem with your pituitary gland.

You also need to be currently taking levothyroxine medication for this condition and your hormone levels should be stable and well-controlled by your current dose. If your T4 hormone levels are currently too low, you wouldn't be able to join right now.

There are also some health conditions that would make it unsafe for you to take part. These include if you have uncontrolled heart problems, severe uncontrolled heart failure, or a mental health condition that isn't stable. These conditions might make it risky to change your medication, so your safety is our top priority.

Could this study suit you?

Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.

Are you 18 years old or older?
Have you been told you have secondary hypothyroidism?
Are you currently taking levothyroxine for this condition?
Are your current thyroid hormone levels stable and well-controlled?
Do you *not* have uncontrolled heart problems or severe mental health issues?

Answer every question to see your result.

What does participation involve?

If you decide to take part, the study will involve three main stages. First, we will check your current TSH and T4 blood levels to make sure your secondary hypothyroidism is well-managed with your current levothyroxine dose.

Then, in the second stage, we'll carefully and gradually reduce your levothyroxine dose. Initially, your dose will be cut in half, and two weeks later, your T4 levels will be checked with a blood test. If your T4 levels are still normal, you'll then be asked to stop taking levothyroxine completely. After another two weeks, your TSH and T4 levels will be checked again.

If your TSH and T4 levels remain normal, you'll have one final blood test eight weeks later. If your levels are normal at this point, it means you've successfully stopped your medication. If at any stage your T4 levels drop too low, you will go back to your full levothyroxine dose. Throughout this process, you'll have regular blood tests and close monitoring by the study team. The full duration of participation will depend on how you respond to the medication changes, but it could last up to 12 weeks of active monitoring if you successfully stop treatment.

Potential risks and benefits

A main benefit of taking part could be finding out if you no longer need daily levothyroxine medication, which might improve your quality of life. The potential risks involve experiencing symptoms of low thyroid hormone (like tiredness, weight gain, feeling cold) if your T4 levels drop during the study. However, you will be closely monitored with regular blood tests, and if your T4 levels fall too low, you will immediately restart your full dose of levothyroxine. You are free to withdraw from the study at any time without giving a reason, and your medical care will not be affected.

Locations (1)

Nova Scotia Health
Verified postcode
Halifax, Canada· Recruiting

Common questions

What is secondary hypothyroidism?

It's an underactive thyroid caused by a problem with your pituitary gland, not directly with your thyroid gland itself.

What is levothyroxine?

It's a daily medication that replaces the thyroid hormones your body isn't making enough of.

Will I have to stop my medicine if I join?

No, not necessarily. The study involves carefully reducing and potentially stopping your medicine under close medical supervision, but only if your body shows it can cope.

How many blood tests will I need?

You will need a few blood tests throughout the study to monitor your hormone levels closely, especially when your medication dose is changed.

Can I leave the study at any time?

Yes, you can choose to leave the study at any point without needing to give a reason, and it won't affect your usual medical care.

How to find out more

Hazem Aljumah

haaljumah1@gmail.com +17822340095 Official trial record

Always speak to your GP or specialist before deciding to take part in a study.