Earn Money Completing Medical Trials in the UK

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Looking for a side hustle that pays well and helps contribute to scientific progress? Taking part in medical trials could be an option worth considering. Many people across the UK earn extra income by participating in clinical studies — often earning hundreds or even thousands of pounds for their time.

Here’s everything you need to know before getting started.

What Are Medical Trials?

Medical trials, also known as clinical trials, are carefully controlled studies designed to test new medications, vaccines, or medical devices to ensure they are safe and effective for wider use. Before any treatment is made available to the public, it must go through rigorous testing involving volunteers.

Participants in these studies help researchers gather vital information — and are usually compensated for their time, effort, and any inconvenience caused.

The Different Stages of Medical Trials

Clinical trials typically follow a structured process:

• Phase 1:
  The first stage involving a small group of healthy volunteers. The main goal here is to check the safety of a drug, understand how the body processes it, and identify any side effects.

• Phase 2:
  Conducted with a larger group of people, often those with the relevant medical condition. Researchers focus on testing the drug’s effectiveness and further monitoring safety.

• Phase 3:
  A much larger group is involved — sometimes thousands of people. This phase compares the new treatment to existing ones to confirm its benefits and monitor any longer-term side effects.

• Phase 4:
  After approval, the drug continues to be studied in the wider population to gather more information on its risks, benefits, and optimal use.

Most paid opportunities for healthy individuals will involve Phase 1 trials, though it’s important to read all details carefully before applying.

(You can find more about clinical trials on the NHS website here.)

Where to Find Paid Medical Trials in the UK

While we can’t personally endorse individual providers, the following companies are often recommended online for those interested in earning money through medical trials:

• Labcorp Drug Development
  One of the largest and most reputable companies worldwide. Labcorp often runs paid trials for healthy volunteers at their UK centres.

• Fortrea Clinical Trials
  Formerly part of Labcorp, Fortrea operates separately and offers a range of paid studies. Many opportunities are available for healthy volunteers and those with specific conditions.

• FluCamp
  Specialises in trials related to flu and cold viruses. Volunteers are usually healthy individuals who stay at their dedicated facilities during the study period.

• Research UK
  Offers various clinical trials and medical research studies. They recruit volunteers for both paid and unpaid studies, depending on the project.

• Trials4Us
  Focuses on Phase 1 clinical trials, often requiring healthy volunteers. Their studies typically involve a residential stay and offer generous compensation.

Always do your own research and thoroughly read the terms before committing to a trial. It's vital to fully understand what the trial involves, including any possible side effects or risks.

Is It Safe to Take Part in Medical Trials?

All clinical trials in the UK must follow strict ethical and legal guidelines. They are overseen by bodies like the Medicines and Healthcare products Regulatory Agency (MHRA) and require approval from independent ethics committees before they can proceed.

Before participating, you’ll be asked to give informed consent — meaning you’ll be fully briefed on what the study involves, potential risks, and your right to withdraw at any time. However, every trial carries some level of risk, particularly Phase 1 studies involving new medications. It’s important to carefully weigh the benefits and risks before signing up.

Final Thoughts

Taking part in medical trials can be a rewarding way to earn extra money, especially if you’re happy to stay in a clinic for a few days or follow a structured schedule. However, it’s not for everyone — so make sure you fully understand the commitment, read all documentation, and ask questions before taking part.

Done safely and thoughtfully, it’s a side hustle that not only boosts your bank balance but also plays a small part in advancing medical science.

FAQs

How much can you earn from a clinical trial?

It varies depending on the trial’s length, risk, and phase.

• Shorter trials may pay around £100–£500.

• Longer residential studies could pay £1,000–£5,000 or more.

How long do medical trials take?

Some trials last a few hours, while others require overnight stays or multiple visits over several weeks or months. Each study will clearly outline the time commitment needed.

Who can take part?

Each study will have different criteria. You may need to:

• Be a healthy adult (typically aged 18–65).

• Pass a full medical screening.

• Avoid smoking, drinking alcohol, or taking medications before and during the study.

Some trials are open to people with specific medical conditions.

Can you take part in multiple trials?

Usually, you need to wait at least three months between trials. This is to ensure any substances from the previous trial are fully cleared from your system.

Will participating affect my health?

Most people experience no lasting side effects, especially as safety is closely monitored. However, all participants are briefed on possible risks beforehand. If you're unsure, always discuss concerns with the medical team and your GP before enrolling.