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Prospective randomized trial of sclerotherapy vs standard treatment for epistaxis due to hereditary hemorrhagic telangiectasia.

ABSTRACT: Our previous studies have demonstrated the tolerability and low side-effect profile of office-based sclerotherapy with sodium tetradecyl sulfate (STS) for treating recurrent epistaxis due to hereditary hemorrhagic telangiectasia (HHT). The objective of this study was to use a prospective randomized trial to determine the effectiveness of sclerotherapy with STS vs standard treatment.This prospective randomized trial (conducted from November 1, 2011, through January 31, 2014) involved 17 patients with recurrent epistaxis due to HHT. We defined standard treatment as continuation of any treatment that the patient had previously undergone, such as moisturization, packing, and cautery. We used a crossover design, so study participants were randomized to either sclerotherapy or standard treatment during the first time period, and then to the other during the second period. The primary outcome measure was frequency and severity of epistaxis, as measured by the epistaxis severity score (ESS). The ESS is a 10-point scale, with higher scores corresponding to more bleeding.After controlling for treatment order, bleeding was substantially better controlled after sclerotherapy; the ESS after sclerotherapy was nearly one point lower than after standard treatment (-0.95, 1-sided p = 0.027). Treatment order, baseline ESS, the number of lesions, moisturization practices, and a history of previous blood transfusions did not significantly affect the results.This trial demonstrated that sclerotherapy with STS (vs standard treatment) significantly reduced epistaxis due to HHT.

SUBMITTER: Boyer H

PROVIDER: S-EPMC4756906 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Prospective randomized trial of sclerotherapy vs standard treatment for epistaxis due to hereditary hemorrhagic telangiectasia.

Boyer Holly H Fernandes Patricia P Le Chap C Yueh Bevan B

International forum of allergy & rhinology 20150202 5

<h4>Background</h4>Our previous studies have demonstrated the tolerability and low side-effect profile of office-based sclerotherapy with sodium tetradecyl sulfate (STS) for treating recurrent epistaxis due to hereditary hemorrhagic telangiectasia (HHT). The objective of this study was to use a prospective randomized trial to determine the effectiveness of sclerotherapy with STS vs standard treatment.<h4>Methods</h4>This prospective randomized trial (conducted from November 1, 2011, through Janu ...[more]

PMID: 25643928

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Project description:BackgroundEpistaxis is the most common symptom of hereditary hemorrhagic telangiectasia (HHT), affecting more than 98% of adults with HHT, with significant impact on quality of life. Floseal® has been shown to be effective for the management of anterior epistaxis, but has yet to be thoroughly evaluated in this population. Our goal was to evaluate the efficacy of Floseal® for managing acute anterior epistaxis in patients with HHT.MethodsA pilot prospective clinical trial was conducted at two tertiary referral centres, St. Michael's Hospital, Toronto, Canada and The Ottawa Hospital, Ottawa, Canada. All patients with HHT presenting with acute anterior epistaxis to the two study centres, who enrolled in the study, received Floseal® treatment. The primary outcome measures were achievement of hemostasis and changes in the Epistaxis Severity Score (ESS) between baseline and one-month follow up. Secondary outcome measure included clinical assessment of the nasal cavity.ResultsSeven patients were included in the final analysis. All patients underwent treatment of anterior epistaxis with Floseal® and achieved control of epistaxis within 15-min post-application. Application of Floseal® was well tolerated, with patients reporting a pain score of 3 ± 3.13 out of 10. There was no statistically significant difference noted in ESS scores pre-treatment and one-month follow up, 6.27 ± 2.42 vs. 4.50 ± 2.44, p = 0.179. There was a significant improvement clinically on exam of the nasal cavity between baseline and at one-month follow up, indicated by a decrease in the clinical assessment score, 17.29 ± 7.70 vs. 9.57 ± 7.81 (p = 0.0088).ConclusionsPatients with HHT presenting with acute epistaxis were able to achieve hemostasis with one application of Floseal®, with the procedure being very well tolerated with minimal pain. Although there was no significant change in ESS scores, clinical assessment of the nasal cavity revealed significant improvement at one-month follow up post treatment with Floseal®.Trial registrationThis multi-centered prospective clinical trial was registered with ClinicalTrials.gov ( NCT02638012 ). Registered on December 22, 2015.

Project description:ImportanceOther than nasal moisturizers, no standard-of-care medical therapy exists for epistaxis in hereditary hemorrhagic telangiectasia (HHT). With epistaxis as the greatest cause of morbidity in patients with HHT, there is a need to identify effective topical therapies.ObjectiveTo determine the efficacy and safety of an intranasal timolol thermosensitive gel vs placebo thermosensitive gel in treating HHT-associated epistaxis.Design, setting, and participantsThis double-blind, placebo-controlled randomized clinical trial was conducted from October 29, 2019, to May 20, 2020, at a tertiary care center. A total of 27 patients with HHT and moderate-to-severe epistaxis were recruited and included in this prespecified analysis: 14 in the timolol group and 13 in the placebo group. Inclusion criteria included (1) age 18 years or older, (2) clinical or genetic diagnosis of HHT, (3) screening Epistaxis Severity Score (ESS) of 4 or greater and 2 or more nosebleeds cumulatively lasting at least 5 minutes per week, (4) stable epistaxis pattern over the preceding 3 months, and (5) no change in epistaxis treatment or nasal hygiene regimen in the preceding month. Exclusion criteria included (1) contraindications to systemic β-blocker administration, (2) use of medications interacting with timolol, (3) use of antiangiogenic medications in the last month before recruitment, and (4) use of anticoagulants, antiplatelets, or fibrinolytic therapies within the last month.InterventionsNovel thermosensitive intranasal timolol (0.1%) gel vs placebo thermosensitive gel applied twice daily to each nostril for 8 weeks.Main outcomes and measuresThe primary outcome was the median change in ESS and percentage of participants reaching the minimal clinically important difference in ESS. Secondary outcomes were changes in Clinical Global Impression-Severity and Clinical Global Impression-Improvement scores, Nasal Outcome Score for Epistaxis in Hereditary Hemorrhagic Telangiectasia, and hemoglobin level.ResultsOf 27 participants randomized (median [range] age, 55 [20-76] years; 14 women [52%]; 25 White [93%]), a total of 23 patients with HHT completed the primary outcome measure. Within the timolol gel and placebo gel groups, respectively, the median change (range) in ESS was 2.32 (0.22 to 5.97) vs 1.96 (-0.91 to 5.98), and 9 of 11 (82%) vs 9 of 12 (75%) participants experienced a clinically meaningful improvement in ESS. Twenty-two of the 23 participants (96%) reported improvement via the Clinical Global Impression-Improvement score, with 81% vs 58% of participants reporting reduced severity of epistaxis in the timolol vs placebo group, respectively. Of participants completing the Nasal Outcome Score for Epistaxis in HHT at follow-up visit, 7 of 10 (70%) in the timolol group achieved a clinically important difference vs 5 of 10 (50%) in the placebo group. There was no change in hemoglobin level between or within groups. Zero participants in the placebo group and 2 of 13 (15%) in the timolol group withdrew because of adverse events.Conclusions and relevanceThermosensitive gel, alone or in combination with timolol, was highly effective in reducing HHT-associated epistaxis. The timolol group had greater improvement in epistaxis and quality of life than the placebo group, but effect estimates were imprecise, and no definitive conclusions on the superiority of timolol can be drawn. Physicians treating patients with HHT-associated epistaxis should consider a thermosensitive gel (with or without timolol) for their patients.Trial registrationClinicalTrials.gov Identifier: NCT04139018.

Project description:ImportanceEpistaxis is the greatest cause of morbidity in patients with hereditary hemorrhagic telangiectasia (HHT); because of this, a validated epistaxis-specific quality-of-life instrument for HHT should be made available.ObjectiveTo develop and validate an epistaxis-specific quality-of-life patient-reported outcome measure for HHT.Design, setting, and participantsThis survey study focused on the development and validation of the Nasal Outcome Score for Epistaxis (NOSE) in HTT (NOSE HHT) outcome measure with data prospectively collected from December 10, 2019, to March 15, 2020. A total of 401 patients were recruited from within the Cure Hemorrhagic Telangiectasia online patient advocacy social media network, the Washington University HHT Center of Excellence, and a randomized clinical trial investigating an intranasal timolol gel for HHT-associated epistaxis.Main outcomes and measuresFace and content validity, factor analysis, internal consistency as measured through Cronbach α, construct validity, responsiveness to change, and minimal clinically important difference.ResultsThe NOSE HHT was developed and validated with a possible score ranging discretely from 0 to 4 for each of the 29 items and a total score ranging continuously from 0 to 4 after dividing by the total number of items answered. A total of 401 participants completed the NOSE HHT. Factor analysis identified 3 factors that matched the a priori specified subgroups of particular aspects of life affected by HHT-associated epistaxis: physical problems (mean [SD] magnitude, 1.59 [0.83]), functional limitations (mean [SD] magnitude, 1.28 [0.84]), and emotional consequences (mean [SD] magnitude, 1.95 [1.02]). The instrument had high internal consistency with an overall Cronbach α of 0.960. Convergent validity determined the total NOSE HHT score to be a strong predictor of disease severity; total NOSE HHT score can be split up into the following epistaxis severity categories: mild (0-1), moderate (1.01-2), and severe (>2). The instrument was found to be sensitive to change, and the minimal clinically important difference for the total NOSE HHT score was 0.46.Conclusions and relevanceEvaluation of the consistency, reliability, and responsiveness of the NOSE HHT survey found it to be a valid instrument to assess severity and change in epistaxis. Study results suggest that the NOSE HHT survey is clinically applicable and useful as an outcome measure of future HHT-associated epistaxis trials.

Dataset Information

Prospective randomized trial of sclerotherapy vs standard treatment for epistaxis due to hereditary hemorrhagic telangiectasia.

Publications

Prospective randomized trial of sclerotherapy vs standard treatment for epistaxis due to hereditary hemorrhagic telangiectasia.

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