Antibiotic therapy vs. placebo in the treatment of acute uncomplicated appendicitis: a prospective randomized double-blind placebo-controlled trial - APPAC III
The APPAC III study is investigating if antibiotics can be a successful treatment for acute appendicitis, a common condition where the appendix becomes inflamed. This study compares a course of antibiotics ( Ertapenem, Metronidazole, and Levofloxacin ) with a dummy treatment (placebo) to see if antibiotics can help people recover and avoid surgery. Both the real medicines and the dummy treatment are given in identical packaging, so neither the patients nor their doctors will know who is receiving which, making the results fairer. We're particularly interested in whether people get better within 10 days without needing an operation. This research is for adults aged 18 and over who have a simple, uncomplicated form of appendicitis.
At a glance
What is this study about?
Appendicitis is a common condition where your appendix, a small finger-shaped pouch attached to your large intestine, becomes sore and swollen. Usually, the main treatment for appendicitis has been surgery to remove the appendix. However, some recent research suggests that antibiotics might be a good option for certain types of appendicitis, especially if it's caught early and isn't too severe.
This study, called APPAC III, is trying to find out if antibiotics can be an effective way to treat uncomplicated acute appendicitis. We want to see if taking antibiotics can help people recover from appendicitis without needing surgery. We're comparing a standard course of antibiotics with a dummy treatment (called a placebo) to understand the benefits and risks of each approach. The antibiotics being tested are Ertapenem, Metronidazole, and Levofloxacin.
By carefully comparing these treatments, we hope to learn if antibiotics can become a more common and safe way to treat appendicitis in the future, potentially helping patients avoid an operation and recover more quickly. This research is an important step in improving care for people with appendicitis.
Key takeaways
- This study evaluates antibiotics versus placebo for early appendicitis to see if surgery can be avoided.
- Participation involves receiving either antibiotics or a dummy treatment, without knowing which.
- The main goal is to see if your appendicitis resolves within 10 days without needing surgery.
- You'll be followed up for many years to track long-term outcomes and potential recurrence.
- This research aims to improve future treatment options for appendicitis.
- You can withdraw from the study at any time.
Who may be eligible?
This study is open to both men and women.
To take part, you need to be at least 18 years old. There's no upper age limit, meaning older adults are welcome to participate too.
The most important thing is that you have been diagnosed with "uncomplicated acute appendicitis." This means your appendicitis needs to be in its early stages and not have caused any significant complications yet.
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 diagnosed with uncomplicated acute appendicitis?
- Are you able to agree to the study requirements?
- Are you willing to be followed up for up to 10 years?
What does participation involve?
If you decide to take part, you'll be given either a course of antibiotics or a dummy treatment (placebo). Both the antibiotics and the placebo will look exactly the same, so neither you nor your doctor will know which one you are receiving. This is called blinding and helps to ensure the study results are as fair as possible.
The main aim is to see if your appendicitis gets better within 10 days of starting the treatment, without needing surgery. Doctors will check your condition regularly during your hospital stay and after you go home. We'll also keep in touch with you for up to 10 years to see how you're doing in the long term. This long-term follow-up will involve check-ups at one, three, five, and ten years after your initial treatment to see if the appendicitis comes back or if there are any other issues. We'll also ask about your general health and well-being, how much time you've had off work, and any costs related to your treatment.
Potential risks and benefits
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Common questions
What is uncomplicated acute appendicitis?
This means your appendicitis is in its early stages and hasn't led to serious problems like a rupture or abscess yet.
Will I definitely avoid surgery if I join this study?
Not necessarily. We are testing if antibiotics can help you avoid surgery, but some people may still need an operation.
What does 'placebo' mean?
A placebo is a dummy treatment that looks just like the real medicine but contains no active drug. It helps us compare the real treatment fairly.
How long will I be followed up after treatment?
You will be followed up for quite a long time – with checks at 1, 3, 5, and 10 years after your initial treatment.
Will my doctor know if I’m getting antibiotics or placebo?
No, neither you nor your doctor will know. This is to make sure the study results are unbiased and reliable.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
Discussion
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