Cross-sectional studycited by the Tayebat archiveabstract only checked A-LEG-13 standard review
Peanut and lupin cross-allergy
Cross-allergenicity of peanut and lupine: the risk of lupine allergy in patients allergic to peanuts.
Overview
Moneret-Vautrin DA et al.. J Allergy Clin Immunol 1999 · PMID 10518837 · DOI 10.1016/s0091-6749(99)70303-9
Many peanut-allergic patients also reacted to lupin flour.
Does the study support the specific claim? Partly · Methodological quality: moderate
Plain-language summary
Study explained simply
- What did the researchers want to find out?
Test cross-allergy
- How was the study done?
Clinical tests
- How many people, animals or samples were studied?
24 patients
- What was actually found?
7 of 8 reacted to lupin
- How large was the observed effect?
Not applicable
- What do the results mean in everyday life?
Peanut-allergic people should beware of lupin.
- What are the study's limitations?
Small
- What does it say about Elawady's specific claim?
Allergy-specific
- Do the results apply to Germany and Europe?
High
- What can explicitly not be concluded from this study?
Cannot show risk for non-allergic people.
Scientific in-depth review
1. Full reference
- Authors
- Moneret-Vautrin DA, Guérin L, Kanny G, Flabbee J, Frémont S, Morisset M
- Journal
- J Allergy Clin Immunol
- Year
- 1999
- Identifier
- PMID 10518837 DOI 10.1016/s0091-6749(99)70303-9
- Verification
- verified – PubMed E-utilities efetch, 2026-10-25
- Retracted
- no
- Corrections
- none
- Extent checked
- abstract only
- Conflicts of interest and funding
not stated in abstract
2. Research question
Cross-allergy to lupine in peanut-allergic patients.
3. Study design and population
- Study design
- Cross-sectional study – Clinical-laboratory study (skin prick, DBPCFC, IgE, immunoblots)
- Population
Peanut-allergic patients
- Country
France (inferred from author affiliation; not stated in abstract)
- Period
Not stated
- Sample size
24 patients (8 challenged)
- Inclusion and exclusion criteria
Peanut allergy
4. Methods and endpoints
- Exposure / intervention
Lupine flour
- Comparator
Peanut
- Endpoints
Skin test, oral challenge, IgE cross-reactivity
- Statistical methods
Descriptive
5. Actual results
- Results
Skin prick positive to lupine in 11 (44%); oral challenge positive in 7 of 8; major lupine allergen (43 kd) present in peanut.
- Absolute risks
not reported
- Authors' conclusion
Risk of crossed peanut-lupine allergy is high, unlike other legumes; lupine is a hidden allergen.
6. Strengths
- Challenge-confirmed
7. Weaknesses
- Small selected sample
8. Risk of bias
- Orienting tool
- none applicable
- Type of assessment
- simplified assessment (abstract only)
- Full formal assessment
- no
- Overall risk of bias
- some concerns
- Rationale
Selected sample.
9. Assessment of the statistical interpretation
Descriptive.
10. Relevance to the specific claim
Supports allergy part of C-LEG-11 for allergic people.
11. Independent contrary findings
Same paper: cross-allergy to other legumes rare.
12. Transferability to Germany and Europe
High (lupin is labelled in EU).
13. Overall methodological judgement
Relevant only for peanut allergy.
| Multidimensional assessment | |
|---|---|
| Authenticity of the source | verified |
| Methodological quality | moderate |
| Risk of bias | some concerns |
| Precision of results | low |
| Directness | direct |
| Reproducibility | replicated |
| Consistency with the overall evidence | consistent |
| Regional transferability | high |
| Adequacy of the interpretation (by the archive) | not applicable |
14. Open questions
None.
15. Linked fact checks
Use by the Tayebat archive
Note: according to the archive, the studies were compiled by the archive operators. Whether Dr. Elawady himself cited this study is not established.
- What the archive says about the study
Bibliography only.
- A. What was actually studied?
Peanut-lupine cross-allergy.
- B. What did the authors find?
High cross-reactivity in peanut-allergic patients.
- C. What conclusions do the authors themselves draw?
Lupine labelling needed; cross-allergy to other legumes rare.
- D. What does the archive derive from it?
Supports legume allergy concern.
- E. Is this derivation scientifically justified?
Applies to peanut-allergic people only; the paper notes cross-allergy between legumes is otherwise rare.
- Adequacy of the interpretation (by the archive)
- not applicable