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To determine the minimum amount of Chenopodium album allergen extract producing a positive skin reaction.

Biological standardization of Chenopodium album allergen extract to determine the biological activity in HEP units.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2012-001937-15-ES
Enrollment
Unknown
Registered
2012-08-23
Start date
2012-09-28
Completion date
Unknown
Last updated
2014-06-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Allergy to Chenopodium album MedDRA version: 15.0 Level: LLT Classification code 10036019 Term: Pollen allergy System Organ Class: 10021428 - Immune system disorders

Interventions

Trade Name: PRICK TEST Gänsefuss LETI Product Name: Extracto alergénico nativo de Chenopodium album Product Code: 6062 Pharmaceutical Form: Solution for skin-prick test INN or Proposed INN: Extracto a

Sponsors

Laboratorios Leti, S.L.Unipersonal
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Subject has provided written informed consent, appropriately signed and dated by the subject (or legal representative, if applicable). -Subject can be male or female of any race and ethnic group. -Age > and =18 years and =65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: -Immunotherapy in the past 5 years with an allergen preparation known to interfere with the allergen to be tested. -Use of drugs that may interfere with the skin reactions (e.g., antihistamines). See Appendix 1 of the protocol -Treatment with any of the following medications: tricyclic or tetracyclic o IMAOs antidepressants,b-blockers or chronic use of corticosteroids or oral or use of corticoids both via oral or parenteral, in repeated patterns and intermittent (> 10 mg/día de prednisone or equivalent). -Women who are pregnant or period of breastfeeding and women with a pregnancy test positive during the visit 2, prior to the prick test. -Dermographism affecting the skin area at the test site at either study visit. -Atopic dermatitis affecting the skin area at the test site at either study visit. -Urticaria affecting the skin area at the test site at either study visit. - Diseases of the immune system relevant clinically, both autoimmune and immunodeficiencies. -Serious diseases not controlled that may increase the risk for the safety of the subjects involved in this study, including, but not limited to the following: heart failure, uncontrolled or severe respiratory diseases, endocrine diseases, clinically relevant kidney or liver diseases or hematological diseases. -Participation in any other clinical trial within 30 days (or 5 times the biological half-life of the research of the study product, whichever is longer) prior to the inclusion of the subject in this clinical trial. -Patients with diseases or conditions that limit the use of adrenaline (heart disease, severe hypertension, ..) -Severe psychiatric, psychological or neurological disorders -Abuse of alcohol, drugs or medicines in the previous year.

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective is to assess the concentration of Chenopodium album allergen extract that elicits a wheal size equivalent to that of a 10 mg/ml histamine dyhidrochloride solution.;Secondary Objective: In this study there are no secondary objectives;Primary end point(s): Wheal size area (mm2) on the skin at the site of the puncture during the immediate phase.;Timepoint(s) of evaluation of this end point: The primary endpoint will be determined after the last patient last visit(end of study).

Secondary

MeasureTime frame
Secondary end point(s): No secondary endpoints in this study;Timepoint(s) of evaluation of this end point: Not applicable

Countries

Spain

Contacts

Public ContactDepartamento Médico

Laboratorios Leti, S.L.U

mjgomez@leti.com+34607285953

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026