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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01408732
Other study ID # 1101M95232
Secondary ID
Status Completed
Phase Phase 1/Phase 2
First received
Last updated
Start date February 2011
Est. completion date September 2014

Study information

Verified date October 2019
Source University of Minnesota
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to test a novel and tolerable office-based treatment method, sclerotherapy with sodium tetradecyl sulfate, for recurrent epistaxis (nosebleeds) related to Hereditary Hemorrhagic Telangiectasia (HHT) disease.


Description:

Ninety percent of patients who suffer from Hereditary Hemorrhagic Telangiectasia (HHT) experience epistaxis which can range from mild to recurrent, severe, life threatening episodes. Current methods to treat significant epistaxis have limitations, namely the need for general anesthesia and repeated treatments. The objective of this study is to test a novel and tolerable office-based treatment method, sclerotherapy with sodium tetradecyl sulfate (STS), for recurrent epistaxis related to HHT.

Sclerotherapy is the treatment of vascular lesions by injection with an agent which causes thickening of the vessel wall, obstruction of blood flow, clot formation and collapse of the lesion. Sclerotherapy is an established treatment modality for vascular malformations in the skin, GI tract, genitourinary tract and has been used for lesions in various sites in the head and neck. STS is an anion surfactant (detergent) that is commonly used for sclerotherapy. There are case reports in the literature describing sclerotherapy treatments for epistaxis related to HHT using other agents, but these case reports did not lead to prospective studies. We have performed a pilot study to analyze the tolerability and effectiveness of sclerotherapy with STS in a series of patients with recurrent epistaxis related to HHT. In our series, the treatment was found to be well tolerated and effective, based on patient administered questionnaire and review of clinical data. No complications related to the procedure were noted. Further prospective studies would help elucidate the role of sclerotherapy with STS in the treatment algorithm for recurrent epistaxis related to HHT.

Our goal is to conduct a prospective, randomized-controlled trial to test the efficacy and tolerability of sclerotherapy using STS in the treatment of recurrent epistaxis due to HHT. A modified crossover design will be utilized with the intervention group receiving sclerotherapy, plus any additional, previously utilized standard treatment methods needed to control epistaxis. The control group will receive their current standard treatment methods, followed by delayed intervention with sclerotherapy. The primary outcomes will be frequency and severity of epistaxis. Secondary endpoints will be hemoglobin level, tolerability of treatment, additional treatment requirements, and quality of life.


Recruitment information / eligibility

Status Completed
Enrollment 18
Est. completion date September 2014
Est. primary completion date September 2014
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- a clinical diagnosis of HHT based on the Curacoa Criteria

- age 18 and older

- cognitive ability and willingness to sign the study consent form and complete the study forms and questionnaires

Exclusion Criteria:

- previous sclerotherapy with Sodium Tetradecyl Sulfate

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Sclerotherapy
3% Sodium tetradecyl sulfate (STS) is mixed with air at a ratio of 4 parts air to 1 part STS for injection into the affected vessels in the nose. Topical anesthetic is applied to the nasal mucosa prior to injections. Once the mixture is ready for injection, the needle is placed into the vessel, in a submucosal fashion, penetrating 1-2 mm, and very small quantities of foam are injected The amount of foam injected into each lesion varies between 0.1 cc to 0.25 cc. Individual injection amounts vary between lesions, patients and treatment sessions. No more than a total of 3 ml of solution is used in each session. During each session, several lesions can be treated, but the total amount of STS used does not exceed 3 cc.
Other:
Standard Treatment
Normal standard of care followed by Drug interevention

Locations

Country Name City State
United States University of Minnesota Otolaryngology Clinic Minneapolis Minnesota

Sponsors (2)

Lead Sponsor Collaborator
University of Minnesota American Rhinologic Society

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Severityof Epistaxis The primary outcome measure will be severity of epistaxis as measured by the Epistaxis Severity Score (ESS). The ESS, a recently developed online questionarrie that calculates the grading system for epistaxis severity. The higher the score the more severe the nose bleeds are Scale consists of several questions with a range of scale from 0-5 The average score is calculated for a final assessment Change from Baseline to 14 weeks
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