Actively Recruiting
A Study of Enalapril in Treatment of Venous Malformations
Led by Oslo University Hospital · Updated on 2025-04-02
12
Participants Needed
1
Research Sites
304 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The goal of this clinical trial is to explore if enalapril can be used to treat painful venous malformations. The main question it aims to answer are: \- Can enalapril reduce pain and volume of the malformation and increase quality of life in patients with painful venous malformations? Participants will: Receive a dose of enalapril 5 mg once daily. If it doesn't have effect the dose of enalapril will be increased to 10 mg daily after 3 months. The treatment duration will be 12 months, with an additional follow-up of 12 months. The visit frequency will be after 1, 3, 6,9 and 12 months and then a follow up visit at 18 and 24 months. Approximately 15 participants will be screened to achieve minimum 10 enrolled participants.
CONDITIONS
Official Title
A Study of Enalapril in Treatment of Venous Malformations
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Patients with venous malformations confirmed by clinical exam, ultrasound, and MRI with measurable volume and clear borders
- Experience pain from the malformation that reduces quality of life, with pain score (NRS) of 4 or higher
- Aged 18 to 70 years at time of consent
- Negative urine pregnancy test for women with childbearing potential
- Women of childbearing potential must use effective contraception during treatment and for 2 weeks after
- Able to provide informed consent and complete quality of life questionnaires in Norwegian or English
You will not qualify if you...
- Diffuse venous malformations without defined borders
- Known diabetes
- Impaired liver function (INR > 1.5 or aminotransferases more than 3 times normal)
- Use of certain medications including mTOR-inhibitors, racekadotril, sacubitril/valsartan, ramipril, or vildagliptin
- Use of angiotensin-II receptor antagonists or direct renin inhibitors
- Significant cardiac disease including impaired heart function or specific valve diseases
- Lactose intolerance or glucose-galactose malabsorption
- Gastrointestinal diseases affecting drug absorption
- Allergy to enalapril or other ACE inhibitors
- Other severe or uncontrolled medical conditions
- Known renal artery stenosis
- History of angioneurotic edema or hereditary/idiopathic angioneurotic edema
- Contraindications for MRI such as pacemakers, cochlear implants, or claustrophobia
- Body mass index over 30
- Impaired kidney function (eGFR less than 50)
- Pregnant or breastfeeding women
- Any condition that may prevent compliance with the study protocol
AI-Screening
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Trial Site Locations
Total: 1 location
1
Oslo University Hospital, Rikshospitalet
Oslo, Norway, Norway
Actively Recruiting
Research Team
C
Christina Bjerring Opheim, MD and PhD student
CONTACT
N
Nina Haagenrud Schultz, MD, PhD
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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