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Not yet recruitingNCT05833620GENOMAEH_01Updated Apr 27, 2023

Identification and Characterization of Genetic Variants in Hereditary Angioedema

An observational study in Hereditary Angioedema With C1 Esterase Inhibitor Deficiency, sponsored by Hospital Universitari Vall d'Hebron Research Institute. Not yet recruiting at 2 sites in Spain. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2023-04-27.

Sponsored by Hospital Universitari Vall d'Hebron Research Institute · Observational

From the registry’s dates

  • Primary completion was expected by Mar 2026, 7 months ago, but the record still lists the study as not yet recruiting.
Study type
Observational
Model
Cohort
Time perspective
Cross-sectional
Enrollment
200
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 37 studies in Angioedemas, Hereditary with a site in Spain — 9 open to participants now, 14 under way, 11 of them phase 3. Angioedemas, Hereditary · Spain.

Started
2023
the only one that year
Observational
5 of 37
1 open now
Primary completion
2026-03
later than 1 of 13 live
Registered
27th of 37
by date
Lead sponsor
1 of 37
Hospital Universitari Vall d'Hebron Research Institute

Among the 37 studies in Angioedemas, Hereditary with a site in Spain, this one is the only one that started in 2023, is one of 5 observational ones, reaches primary completion later than 1 of the 13 other live ones, and was the 27th registered.

Angioedemas, Hereditary

171 studies on the registry are indexed under Angioedemas, Hereditary; 24 are open to participants now.

Browse Angioedemas, Hereditary studies →

Open to participants now

9 of the 37 studies in Angioedemas, Hereditary with a site in Spain are open now. Recruiting first, the newest first:

3 more — sign in →

All 9 open studies →

A study can be open while its sites in Spain have not opened yet or have stopped. Only those recruiting at a site in Spain →

Who these studies take

Of the 13 Angioedemas, Hereditary studies recruiting now, 9 (69%) set no upper age limit and 4 (31%) stop at 75 or younger; 7 take children under 18; 1 take healthy volunteers.

This study: 18 Years and older · all sexes.

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02

Study summary

This project aims to analyse in an unbiased way the existence of genetic variants that contribute to explaining and predicting the differences in clinical expression between patients with HAE.

03

Conditions studied

  • Hereditary Angioedema With C1 Esterase Inhibitor Deficiency
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Sampling method
Non-probability sample

Study population

Adult patients with hereditary angioedema with C1INH deficiency (HAE-C1INH) from different regions of Spain will be included. Patients included in the study will be divided into two groups: a) symptomatic (≥ 18 years old), which will be those who present symptoms compatible with HAE-C1INH and who have a confirmed diagnosis and b) asymptomatic patients (≥ 22 years old), which will be those with a C1INH deficiency and who have not developed symptoms of HAE.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Adult patients (≥ 18 years old) with HAE-C1INH diagnosis (confirmed by mutation in SERPING1 gen or immunochemical study showing a decrease in C1INH function \<50% in two determinations together with a family history (symptomatic patients' group)
  • Patients ≥ 22 years old with C1INH hereditary deficiency (confirmed by mutation of SERPING1 gene or immunochemical study showing a decrease in C1INH function \<50% in two determinations together with a family history) and who have not developed symptoms consistent with HAE-C1INH
  • Signed .

Exclusion criteria

Exclusion Criteria:

  • No confirmed C1INH deficiency.
  • Inability to sign the .
  • Presence of recurrent angioedema with histaminergic characteristics (response to treatment with antihistamines, and/or epinephrine)
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

05

Study design

Observational model
Cohort
Time perspective
Cross-sectional
Enrollment
200 participants (estimated)
Patient registry
No

Groups and cohorts

  • Symptomatic patients

    Adult patients (≥ 18 years old) with hereditary angioedema with C1INH deficiency (HAE-C1INH) from different regions of Spain will be included. Patients included in the study will be divided into two groups: a) symptomatic, which will be those who present symptoms compatible with HAE-C1INH and who have a confirmed diagnosis

  • Asymptomatic patients

    Asymptomatic patients, which will be those with a C1INH deficiency and who have not developed symptoms of HAE. Asymptomatic patients must be at least 22 years old and meet the same criteria than those symptomatic, except for the presence of symptoms consistent with HAE-C1INH

06

What researchers measure

Primary outcomes

  1. Set of validated disease-modifying genetic variants in Spanish patients with HAE-C1INH

    To identify and characterize novel genetic variants associated with the incomplete penetrance and variable clinical expressivity observed in HAE-C1INH patients.

    Time frame: Day 1

07

Study locations

2 sites
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for May 2023; primary completion for Mar 2026, 34 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 17, 2023
First posted
Apr 27, 2023
StartEst.
May 2023
Primary completionEst.
Mar 31, 2026
CompletionEst.
Mar 31, 2027
Last update
Apr 27, 2023
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Apr 27, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05833620
Collaborators
Hospital Universitario La Paz
Responsible party
Sponsor
First posted
Apr 27, 2023
Start date
May 2023 (estimated)
Primary completion
Mar 31, 2026 (estimated)
Completion
Mar 31, 2027 (estimated)
Last update
Apr 27, 2023

Study contacts

Roger Colobran, PhD
Contact
roger.colobran@vallhebron.cat
+34 93 489 30 00 ext. 6983

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Apr 2023. You cannot join it, but the record below documents what was studied.

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Discussion

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