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Dog Epithelium Extract

This article examines recent clinical trials investigating the use of Dog Epithelium Extract in allergy testing. While the primary focus of these studies is on other allergens like birch, grass, and olive pollen, Dog Epithelium Extract is included as a comparative allergen in skin prick tests. These trials aim to assess the efficacy and safety of various immunotherapy treatments for allergic rhinitis and rhinoconjunctivitis, providing valuable insights into allergy diagnosis and management.

Table of Contents

What is Dog Epithelium Extract?

Dog Epithelium Extract is a medical substance derived from dog skin cells. It is used in allergy testing and treatment, particularly for people who are allergic to dogs. The extract contains proteins found in dog dander, saliva, and urine that can trigger allergic reactions in sensitive individuals[1].

Medical Uses

The primary medical use of Dog Epithelium Extract is in the diagnosis and treatment of dog allergies. It is used in two main ways:

  1. Allergy Testing: The extract is used in skin prick tests to diagnose dog allergies. A small amount is placed on the skin, and if a person is allergic, a small bump or reaction will appear[1].
  2. Immunotherapy: Once a dog allergy is confirmed, the extract may be used in allergy shots or sublingual immunotherapy to help desensitize a person to dog allergens over time[2].

Administration

Dog Epithelium Extract is typically administered in two ways:

  • Skin Prick Test: For allergy testing, a drop of the solution is placed on the skin, usually on the forearm or back. The skin is then pricked through the drop with a small lancet[1].
  • Immunotherapy: For treatment, the extract may be given as subcutaneous injections (allergy shots) or as sublingual drops or tablets placed under the tongue[2].

Clinical Trials

While the provided clinical trial information doesn’t specifically focus on Dog Epithelium Extract, it’s worth noting that this extract is often used in conjunction with other allergen extracts in allergy research and treatment. The trials mentioned are studying various allergen extracts for conditions like allergic rhinitis and rhinoconjunctivitis, which are common manifestations of dog allergies[3].

Potential Benefits

The use of Dog Epithelium Extract in allergy treatment may offer several benefits:

  • Accurate diagnosis of dog allergies
  • Reduced allergic symptoms over time through immunotherapy
  • Improved quality of life for individuals with dog allergies
  • Potential to allow allergic individuals to live more comfortably with dogs

Considerations and Precautions

While Dog Epithelium Extract can be beneficial in diagnosing and treating dog allergies, there are some important considerations:

  • Allergy tests and immunotherapy should only be performed under medical supervision.
  • Some individuals may experience mild allergic reactions during skin prick tests or immunotherapy.
  • Immunotherapy is a long-term treatment that may take months or years to show significant results.
  • Not all individuals with dog allergies will respond to immunotherapy.
  • It’s important to continue avoiding allergen exposure during treatment, as advised by your healthcare provider.

If you suspect you have a dog allergy, consult with an allergist or immunologist. They can determine if testing or treatment with Dog Epithelium Extract is appropriate for your situation[3].

Aspect Details
Study Types Phase II-III clinical trials
Main Allergies Studied Birch pollen, grass pollen, olive pollen
Role of Dog Epithelium Extract Used in skin prick tests as a comparative allergen
Primary Objective Assess efficacy and safety of immunotherapy treatments
Treatment Methods Sublingual immunotherapy (SLIT), Subcutaneous immunotherapy (SCIT)
Key Outcome Measures Combined Symptom and Medication Score (CSMS), quality of life, symptom-free days
Participant Age Range 18-65 years
Common Inclusion Criteria Moderate-to-severe allergic rhinitis/rhinoconjunctivitis, confirmed pollen sensitization
Common Exclusion Criteria Severe asthma, immune system disorders, recent immunotherapy

FAQ

  • What is Dog Epithelium Extract used for in these clinical trials? Dog Epithelium Extract is used as a comparative allergen in skin prick tests. While it's not the primary focus of the studies, it helps in assessing patients' overall allergic responses and sensitization patterns.
  • What are the main allergies being studied in these trials? The main allergies being studied are birch pollen allergy, grass pollen allergy, and olive pollen allergy. These trials focus on moderate-to-severe allergic rhinitis or rhinoconjunctivitis caused by these specific pollens.
  • What is the primary goal of these clinical trials? The primary goal is to assess the efficacy and safety of sublingual or subcutaneous immunotherapy treatments for specific pollen allergies. The trials aim to determine the most effective and best-tolerated doses of various allergen extracts.
  • Who can participate in these clinical trials? Generally, participants must be between 18 and 65 years old, have a confirmed moderate-to-severe allergy to the specific pollen being studied, and meet other inclusion criteria. They must not have certain medical conditions or be taking medications that could interfere with the study results.
  • How is the effectiveness of the treatments measured in these trials? The main measure of effectiveness is the Combined Symptom and Medication Score (CSMS) during peak pollen periods. Other measures include quality of life questionnaires, symptom-free days, and changes in response to nasal provocation tests.

Ongoing Clinical Trials on Dog Epithelium Extract

  • Study on the Effectiveness and Safety of Allergenic Extract of Olea Europaea Pollen for Patients with Moderate-to-Severe Olive Pollen Allergy

    Not recruiting

    4 1 1
    Investigated drugs:
    Spain

  • Study on the Effectiveness and Safety of Phleum Pratense Pollen Extract for Patients with Moderate-to-Severe Grass Pollen Allergy

    Not recruiting

    4 1 1
    Investigated diseases:
    Investigated drugs:
    Germany

  • Study on the Effectiveness and Safety of Sublingual Immunotherapy with Betula Pendula Pollen Extract for Patients with Birch Pollen Allergy

    Not recruiting

    4 1 1
    Investigated diseases:
    Investigated drugs:
    Germany

Glossary

  • Allergic rhinitis: An allergic reaction affecting the nasal passages, causing symptoms such as sneezing, runny nose, and nasal congestion in response to allergens like pollen.
  • Rhinoconjunctivitis: A combination of allergic symptoms affecting both the nasal passages (rhinitis) and the eyes (conjunctivitis), often caused by airborne allergens like pollen.
  • Sublingual immunotherapy (SLIT): A form of allergy treatment where allergen extracts are placed under the tongue to help the body build tolerance to specific allergens.
  • Subcutaneous immunotherapy (SCIT): An allergy treatment method where allergen extracts are injected under the skin to gradually desensitize the immune system to specific allergens.
  • Skin prick test: A diagnostic test used to identify specific allergies by applying small amounts of allergens to the skin and observing the reaction.
  • Combined Symptom and Medication Score (CSMS): A measure used in allergy studies to assess the severity of symptoms and the need for medication, providing an overall picture of allergy impact.
  • Nasal provocation test: A diagnostic procedure where allergens are applied directly to the nasal passages to assess allergic reactions and sensitivity.
  • Dog Epithelium Extract: An allergen extract made from dog skin cells, used in allergy testing to identify sensitivity to dog allergens.
  • Sensitization: The process by which the immune system becomes reactive to a specific allergen, leading to allergic responses upon subsequent exposures.
  • Allergen-specific IgE: Antibodies produced by the immune system in response to specific allergens, which can be measured to diagnose allergies.

References

  1. http://clinicaltrials.eu/trial/study-on-the-effectiveness-and-safety-of-sublingual-immunotherapy-with-betula-pendula-pollen-extract-for-patients-with-birch-pollen-allergy/
  2. http://clinicaltrials.eu/trial/study-on-the-effectiveness-and-safety-of-phleum-pratense-pollen-extract-for-patients-with-moderate-to-severe-grass-pollen-allergy/
  3. http://clinicaltrials.eu/trial/study-on-the-effectiveness-and-safety-of-allergenic-extract-of-olea-europaea-pollen-for-patients-with-moderate-to-severe-olive-pollen-allergy/