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Trial · NCT01752049

Topical Anti-angiogenic Therapy for Telangiectasia in HHT: Proof of Concept

NCT01752049, Phase 1, Phase 2, Completed, Unity Health Toronto; results first posted 2023-09-21

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Topical Anti-angiogenic Therapy for Telangiectasia in HHT: Proof of Concept. Trials, record NCT01752049. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01752049

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Topical Anti-angiogenic Therapy for Telangiectasia in HHT: Proof of Concept
NCT number
NCT01752049
Status
Completed
Phases
Phase 1, Phase 2
Enrollment
5 participants, actual
Lead sponsor
Unity Health Toronto
Conditions
Hereditary Hemorrhagic Telangiectasia
Interventions
Topical timolol maleate, placebo saline drops
First posted
2012-12-18
Last updated
2023-09-21
Results first posted
2023-09-21

Source ClinicalTrials.gov

Registered outcomes5

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange in Lesion Area of Treated Telangiectasia.84 daysChange in lesion area (compared with baseline measurement) of treated telangiectasia.
SecondaryDescriptive Changes in Histopathology in Baseline vs Treated Lesions84 days
SecondarySerum Angiogenic Markers84 days
SecondaryStability of Area of Untreated Telangiectasias Over the 84 Day Period84 days
SecondaryBlood Flow Velocity and Volume Flow Rates84 days

Outcomes5

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange in Lesion Area of Treated Telangiectasia.84 days5 participants enrolled, each participant have Hereditary Hemorrhagic Telangiectasia (HHT) and have at least 5 typical telangiectasias on their hands or face.mm^2GEOMETRIC_MEAN
SECONDARYDescriptive Changes in Histopathology in Baseline vs Treated Lesions84 daysNo data collected
SECONDARYSerum Angiogenic Markers84 daysNo data collected
SECONDARYStability of Area of Untreated Telangiectasias Over the 84 Day Period84 daysNo data collected
SECONDARYBlood Flow Velocity and Volume Flow Rates84 daysNo data collected

Results by group2

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Change in Lesion Area of Treated Telangiectasia.Topical Timolol Maleate-6Standard Deviation 11mm^2
Change in Lesion Area of Treated Telangiectasia.Placebo-8Standard Deviation 17mm^2

Participant flow6

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDTopical Timolol Maleate515
Overall StudySTARTEDPlacebo55
Overall StudyCOMPLETEDTopical Timolol Maleate515
Overall StudyCOMPLETEDPlacebo55
Overall StudyNOT COMPLETEDTopical Timolol Maleate00
Overall StudyNOT COMPLETEDPlacebo00

Adverse events4

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherMinor infection at biopsy siteSkin and subcutaneous tissue disordersTopical Timolol Maleate151
otherMinor infection at biopsy siteSkin and subcutaneous tissue disordersPlacebo151
otherMinor bleeding at biopsy siteSkin and subcutaneous tissue disordersTopical Timolol Maleate151
otherMinor bleeding at biopsy siteSkin and subcutaneous tissue disordersPlacebo151

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityTopical Timolol Maleate05
Total, all-cause mortalityPlacebo05
Total, other adverse eventsTopical Timolol Maleate15
Total, other adverse eventsPlacebo15
Total, serious adverse eventsTopical Timolol Maleate05
Total, serious adverse eventsPlacebo05

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants1

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

ProjectTitlePrincipal investigatorsOrganizationFunderFiscal years
U54NS065705Brain Vascular Malformation Consortium: Predictor's of Clinical CourseKIM, HELENUNIVERSITY OF CALIFORNIA, SAN FRANCISCONATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE2009 to 2023

Trial comparisons2

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource
Topical Timolol Maleate vs Placebo: deaths from any causeTrial comparisons
Topical Timolol Maleate vs Placebo: serious adverse eventsTrial comparisons

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT01752049

GET https://conductscience.org/api/trials/v1/NCT01752049/registered