Peanut allergy treatments using oral, skin patch and under tongue methods
What it found
Three ways of giving small amounts of peanut to build tolerance each have different strengths and side effects in people.
Oral doses gave the strongest protection but raised more safety worries.
What they found
Studies in people
Oral peanut doses
Giving peanut by mouth built strong tolerance in people during trials. However, side effects and overall safety remained a worry.
Skin patch treatment
A skin patch method showed a reassuring safety record in people. It offered a smaller protective effect than taking peanut by mouth.
Under the tongue
Placing peanut under the tongue has been slower to develop. Recent studies in people suggest it balances protection, safety and ease of use.
No perfect option yet
None of the three methods is flawless. Each approach carries its own mix of benefits and drawbacks for people with peanut allergy.
What the authors conclude
- They say no single treatment is perfect for peanut allergy right now.
- They advise patients and doctors to make choices together to get the best care.
How it was done
Peanut allergy is becoming more common, and until recently there were few treatments for people who already had it. The authors also note that living with this allergy affects mental wellbeing and finances.
The authors looked at key clinical trials from the past 10 years testing three ways to treat peanut allergy in people. These methods deliver tiny amounts of peanut by mouth, through a skin patch, or under the tongue.
What it can’t tell you
- We summarised it from the abstract only.
- These are summaries of trials, so they cannot show how these treatments work for every individual person over a lifetime.
- Because the methods were tested separately, we cannot tell which one works best when compared directly head to head.
Who paid
- Authors work at
- University of North Carolina School of Medicine, USA; CEO UNC Healthcare University of North Carolina School of Medicine, USA
The paper
- Title
- Immunotherapy approaches for peanut allergy
- Type
- ReviewThe authors read earlier studies and describe what they found. It isn’t a new study.
- Evidence
- Studies in people
- Summarised from
- Abstract only
- Cite
- Kim EH, Patel C, Burks AW (2020). Immunotherapy approaches for peanut allergy. Expert review of clinical immunology. doi:10.1080/1744666X.2019.1708192PubMed 31928251DOI
Summary written 30 Sep 2026. Check it against the paper before it changes what you eat. How we summarise papers · Report an error