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Diss Factsheets

Toxicological information

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19. 8. - 3. 9. 2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study from supporting substance (structural analogue)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Test material form:
solid: particulate/powder

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: 8 - 12 weeks at the time application
- Weight at study initiation:
- Fasting period before study:
- Housing: animal room with monitoring conditions - 3 animals in one plastic breeding cage Velaz T4
- Diet (e.g. ad libitum): ST1 BERGMAN- standard pellet diet ad libitum
- Water (e.g. ad libitum): drinking tap water ad libitum
- Acclimation period: min 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 22 +/- 3 °C
- Humidity (%): 30 - 70 %
- Air changes (per hr):
- Photoperiod (hrs dark / hrs light): 12 / 12

IN-LIFE DATES: From: 2013-08-19 To: 2013-09-03

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Details on oral exposure:
VEHICLE
-Aqua pro injectione
Batch No. 0101050612
Expiration: 06/2014
Manufacturer: ARDEAPHARMA a. s., Ševětín, Czech republic

MAXIMUM DOSE VOLUME APPLIED: 2 ml

DOSAGE PREPARATION (if unusual):
Immediately before application the test substance was weighed, mixed in water and resulting solution was administred to the stomach by tube.

CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: limit test 2000 mg/kg
Doses:
2000 mg/kg
No. of animals per sex per dose:
Step 1: 3 females
Step 2: 3 females
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing:
weighing: before administration, 8th day, 15 th day (before euthanasia)
observation: first day twice (30 min and 3 hr after administration)
second day twice (in the morning and in the afternoon)
daily thereafter for 14 days

- Necropsy of survivors performed: yes/no
All test animals survived to the end of study were sacrificed on the 15 th day by injection of veterinary preparation T61 (1 ml iv.) and gross necropsy was
carried out. Nutritious status, body surface, body foramina, thoracic, abdominal and cranial cavity were evaluated.
- Other examinations performed: clinical signs, body weight,organ weights, histopathology, other:

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No
Clinical signs:
other: No clinical signs of intoxication were observed during the study.
Gross pathology:
Without pathological changes in both steps.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Acute oral study using OECD 423, resulted in LD50 >2000 mg/kg of body weight (females). Substance is not classified as acute oral toxic according CLP criteria (regulation (EC) No. 1272/2008).
Executive summary:

Acute oral: Acute oral study using OECD 423, resulted in LD50 >2000 mg/kg of body weight (females). Substance is not classified as acute oral toxic according CLP criteria (regulation (EC) No. 1272/2008).