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Toxicological information

Skin sensitisation

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Administrative data

Endpoint:
skin sensitisation: in vivo (non-LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1991
Report Date:
1991

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Annex V (Maximisation)
GLP compliance:
yes
Type of study:
guinea pig maximisation test

Test material

Reference
Name:
Unnamed
Type:
Constituent

In vivo test system

Test animals

Species:
other: Guinea-pig (Pirbright White)

Study design: in vivo (non-LLNA)

Induction
Concentration / amount:
Concentration of test material and vehicle used at induction:
Intradermal: 5% in sesame oil

Topical: 100%

Concentration of test material and vehicle used for each challenge:
30% in vaseline
Challenge
Concentration / amount:
Concentration of test material and vehicle used at induction:
Intradermal: 5% in sesame oil

Topical: 100%

Concentration of test material and vehicle used for each challenge:
30% in vaseline
No. of animals per dose:
Number of animals in test group: 20
Number of animals in negative control group: 10

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test group
Dose level:
30 %
No. with + reactions:
0
Total no. in group:
20
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 20.0.
Reading:
2nd reading
Hours after challenge:
48
Group:
test group
Dose level:
30 %
No. with + reactions:
0
Total no. in group:
20
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 20.0.
Reading:
1st reading
Hours after challenge:
24
Group:
negative control
Dose level:
30 %
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 10.0.
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
30 %
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 10.0.

Any other information on results incl. tables

Maximum concentration not causing irritating effects in preliminary test: 100 %

Signs of irritation during induction:
None reported

Evidence of sensitisation of each challenge concentration:
0

Applicant's summary and conclusion

Interpretation of results:
other: not classified
Remarks:
Criteria used for interpretation of results: EU
Conclusions:
None.