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Octreotide in Patients With GI Bleeding Due to Rendu-Osler-Weber (ROW)

R

Radboud University Medical Center

Status and phase

Unknown
Phase 2

Conditions

Anemia
Hereditary Hemorrhagic Telangiectasia
Gastrointestinal Hemorrhage

Treatments

Drug: Octreotide LAR

Study type

Interventional

Funder types

Other

Identifiers

NCT02874326
NLROW.1012.15

Details and patient eligibility

About

The purpose of this study is to determine whether long-acting octreotide is safe and effective in the treatment of patients with Rendu-Osler-Weber (e.g. HHT).

The study hypothesis is that octreotide is safe and will reduce transfusion requirements and endoscopy frequency in ROW patients with refractory anaemia due to bleeding gastrointestinal telangiectasias.

Full description

Rationale: Rendu-Osler-Weber (ROW) is an autosomal dominant hereditary disease which affects 1 / 5-8000 individuals. It is characterized by arteriovenous malformations (AVMs) and telangiectasias in multiple organs, including the gastrointestinal tract. Patients can be transfusion dependent due to severe gastrointestinal bleeding from those telangiectasias. Endoscopy is not as effective due to the recurrent character of the telangiectasias. Based on literature in patients with non-ROW AVMs and telangiectasias, octreotide might be beneficial for these patients to decrease their transfusion needs.

Objective: To assess the efficacy of octreotide in decreasing the need for transfusions and endoscopic intervention in patients ROW with refractory anaemia due to gastrointestinal bleeding telangiectasias.

Study design: Multicenter, open-label uncontrolled pilot study.

Study population: Patients with ROW and symptomatic gastrointestinal bleeding telangiectasias, who are transfusion and/or endoscopy dependent:

  1. Transfusion dependent: at least 2 blood and/or iron infusions in the 6 months before inclusion.
  2. Endoscopy dependent: at least one endoscopic intervention with argon plasma coagulation (APC) after the initial/first endoscopic treatment after diagnosis in the half year before inclusion or unsuitable for endoscopy.

Intervention: The intervention is 20 mg Sandostatin long-acting release (LAR) once every four weeks for 26 weeks on top of standard of care.

Main study parameters/endpoints: Primary outcome is response to treatment defined as:

  • complete: no endoscopic intervention or transfusion requirements
  • partial: a reduction in endoscopic intervention or transfusion requirements
  • non-response: an equal or increase in endoscopy frequency or transfusions Important secondary outcomes are the percent change in the number of rebleeds from baseline to endpoint and the number of epistaxis episodes.

Enrollment

15 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients with Rendu-Osler-Weber
  • Symptomatic gastrointestinal bleeds out of telangiectasias
  • Transfusion and / or endoscopy dependent:

Transfusion: at least 2 blood and/or iron infusions in the 6 months before inclusion.

Endoscopy: at least one endoscopy with APC after the initial endoscopic treatment after diagnosis in the half year before inclusion or unsuitable for endoscopic therapy.

Exclusion criteria

  • liver cirrhosis Child-Pugh C or acute liver failure
  • previous unsuccessful treatment with somatostatin analogues (SST) for the same indication (refractory anaemia due to telangiectasias) or current effective treatment with a somatostatin analogue
  • severe diseases with life expectancy < 1 year
  • patients with left ventricular assist devices (LVAD's)
  • Symptomatic cholecystolithiasis (without cholecystectomy)
  • pregnancy or nursing women or women who have a pregnancy wish in the study period or who use anticonception inadequate
  • current chemotherapy
  • patients with a known hypersensitivity to SST analogues or any component of the octreotide LAR formulations
  • no understanding of Dutch or English

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

15 participants in 1 patient group

Active comparator: Octreotide LAR
Experimental group
Description:
Sandostatin LAR Sandostatin LAR 20 mg will be administered once every 4 weeks as a intramuscular injection
Treatment:
Drug: Octreotide LAR

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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