Immune System DiseasesMM09NCT02527122
Biological Stardadization of D. Pteronyssinus and D. Farinae Allergen Extracts
A study testing Allergen extracts in people with Immune System Diseases, run by Inmunotek S.L. at 1 site in Spain.
Trial summary
Four concentrations of Dermatophagoides pteronyssinus and Dermatophagoides farinae allergen extracts, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar… Read more about this study
- Who is it for?
- Ages 18 to 64 years
- Conditions the study is for
- Immune System Diseases
- What is being tested?
- Allergen extracts
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 30 participants
- Where
- 1 siteSpain
- Study dates
- 21 Jul 2016to Aug 2018
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 64 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- Clinical history positive inhalation allergy (rhinitis I rhinoconjunctivitis I asthma) against Dermatophagoides pteronyssinus or Dermatophagoides farinae.
- A prick-test positive (average of the papule ≥ 3 mm diameter) with a summary of the same allergen I presence against the allergen specific Immunoglobulin E.
- The average area of the papule obtained by histamine dihydrochloride to 10 mgml must be greater than or equal 7 mm2.
- Age: over 18 years of age.
- Both sexes.
Who cannot join
- Subjects outside of the age range.
- Individuals who have previously received immunotherapy in the last 5 years for the treatment of asthma or the allergic rhinoconjunctivitis induced by allergens that may interfere with the extract mixture of Dermatophagoides pteronyssinus or farinae.
- Subjects with important symptoms of rhinoconjunctivitis I bronchial asthma in which the suspension of the antihistamine treatment for systemic is contraindicated.
- Subjects that have previously submitted a serious secondary reaction during skin prick test diagnostic tests.
- Subjects in treatment with ss-blockers.
- Unstable subjects of clinical point of view (asthma acute, febrile, etc.).
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- Subjects with lesions of active hives, severe active dermographism, severe atopic dermatitis, sunburn, eczema, lesions of psoriasis in the area of realization of the prick test (risk of false positives).
- Subjects with viral infection activates the herpes simplex or herpes varicella-zoster in the area of realization of the prick test.
- Subjects that have some pathology in which the administration of adrenaline (hyperthyroidism, hypertension, heart disease, etc.) is contraindicated.
- States of the subject that can not offer cooperation and severe psychiatric disorders.
- Pregnant or women at risk of pregnancy and breastfeeding women.
Trial locations and contacts
1 site in 1 country.
Spain1 site
Hospital Univ. Ntra. Sra. de la Candelaria
Santa Cruz de Tenerife, Canary Islands, 38010,
About this study
Official title: Dermatophagoides Pteronyssinus and Dermatophagoides Farinae Allergen Extract. Determination of the Allergenic Potency in Vivo Histamine Equivalent Units (HEP)
Four concentrations of Dermatophagoides pteronyssinus and Dermatophagoides farinae allergen extracts, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of the forearm..
Read the detailed description
This is an open, unblinded and non-randomized biological assay. The study design is a slight modification of the recommendations proposed by the Nordic Guidelines.
- Conditions
- Immune System Diseases
- Being tested
- Allergen extracts
- Keywords
- Immune System Diseases, Prick Test, Dermatophagoides pteronyssinus, Dermatophagoides farinae
- Medical subject headings
- Immune System Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Allergen extractsDiagnostic test
| Study group | Role | What they receive |
|---|---|---|
| Allergen extracts | Experimental | Skin prick test of 4 concentrations of D. pteronyssinus allergen extract, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of one forearm. Assessment of the wheal size after 15 minutes.
Skin prick test of 4 concentrations of D. farinae allergen extract, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of the other forearm. Assessment of the wheal size after 15 minutes. Receives: Diagnostic Test: Allergen extracts |
What is being measured
The primary outcome is the main question the study is designed to answer.
The wheal size diameter on the skin at the site of the puncture during the immediate phase when applied each concentration of the allergen extract
wheal size diameter OF THE SKIN PRICK TEST
Measured: 1 hour
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Aug 2015 (estimated)
- Study start21 Jul 2016
- Primary completionJul 2018
- Study completionAug 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Immune System DiseasesStudies of the same condition, open and under way.
- More trials run by Inmunotek S.L.The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 30 participants (actual)
Sponsor and investigators
- Lead sponsor
- Inmunotek S.L.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Elena Rodríguez, MD, Study director
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02527122
- Sponsor's protocol ID
- MM09-STD-011
- Other IDs
- 2013-005394-45
- Acronym
- MM09
- Status last verified
- Aug 2018
- First submitted
- 17 Aug 2015
- Last updated
- 8 Aug 2018
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 8 Aug 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Dermatophagoides Pteronyssinus and Dermatophagoides Farinae Allergen Extract. Determination of the Allergenic Potency in Vivo Histamine Equivalent Units (HEP)
- ClinicalTrials.gov ID
- NCT02527122
- Acronym / sponsor ID
- MM09 / MM09-STD-011
- Conditions
- Immune System Diseases
- Keywords
- Immune System Diseases, Prick Test, Dermatophagoides pteronyssinus, Dermatophagoides farinae
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 30 participants (actual)
- Lead sponsor
- Inmunotek S.L.Industry (pharma, biotech, devices)
- Study start
- 21 Jul 2016 (actual)
- Primary completion
- Jul 2018 (actual)
- Study completion
- Aug 2018 (actual)
- First posted
- 18 Aug 2015 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Four concentrations of Dermatophagoides pteronyssinus and Dermatophagoides farinae allergen extracts, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of the forearm..
Detailed description
This is an open, unblinded and non-randomized biological assay. The study design is a slight modification of the recommendations proposed by the Nordic Guidelines.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Allergen extracts | Experimental | Diagnostic Test: Allergen extractsSkin prick test of 4 concentrations of D. pteronyssinus allergen extract, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of one forearm. Assessment of the wheal size after 15 minutes. Skin prick test of 4 concentrations of D. farinae allergen extract, together with a positive and negative control, using 10 mg/ml histamine dihydrochloride solution and a glycerinated phenol saline solution, respectively, will be tested in every patient in duplicate on the volar surface of the other forearm. Assessment of the wheal size after 15 minutes. |
Who may qualify
- Ages
- 18 to 64 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (5 listed)
- Clinical history positive inhalation allergy (rhinitis I rhinoconjunctivitis I asthma) against Dermatophagoides pteronyssinus or Dermatophagoides farinae.
- A prick-test positive (average of the papule ≥ 3 mm diameter) with a summary of the same allergen I presence against the allergen specific Immunoglobulin E.
- The average area of the papule obtained by histamine dihydrochloride to 10 mgml must be greater than or equal 7 mm2.
- Age: over 18 years of age.
- Both sexes.
Key exclusion criteria (11 listed)
- Subjects outside of the age range.
- Individuals who have previously received immunotherapy in the last 5 years for the treatment of asthma or the allergic rhinoconjunctivitis induced by allergens that may interfere with the extract mixture of Dermatophagoides pteronyssinus or farinae.
- Subjects with important symptoms of rhinoconjunctivitis I bronchial asthma in which the suspension of the antihistamine treatment for systemic is contraindicated.
- Subjects that have previously submitted a serious secondary reaction during skin prick test diagnostic tests.
- Subjects in treatment with ss-blockers.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Allergen extracts | Diagnostic test | Allergen extracts |
Primary outcome
The wheal size diameter on the skin at the site of the puncture during the immediate phase when applied each concentration of the allergen extract
Time frame: 1 hour
wheal size diameter OF THE SKIN PRICK TEST
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 8 Aug 2018.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Elena Rodríguez, MD study director
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Allergen extracts in people with Immune System Diseases, run by Inmunotek S.L. at 1 site in Spain.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 8 Aug 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
The wheal size diameter on the skin at the site of the puncture during the immediate phase when applied each concentration of the allergen extract (time frame: 1 hour). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Aug 2018.