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A Study of Varespladib Infusion in Subjects With Sickle Cell Disease.

A Randomized, Double-blind, Placebo-Controlled Study With Varespladib Infusion (A-001) in Subjects With Sickle Cell Disease and Vaso-Occlusive Crisis for the Prevention of Acute Chest Syndrome At-Risk Subjects.

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01522196
Acronym
IMPACTS-2
Enrollment
2
Registered
2012-01-31
Start date
2012-02-29
Completion date
2012-03-31
Last updated
2014-03-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sickle Cell Disease, Vaso-occlusive Crisis

Keywords

SCD

Brief summary

The purpose of this study is to determine the effectiveness of A 001 infusion in preventing acute chest syndrome in sickle cell disease (SCD) subjects with vaso-occlusive crisis, fever, and elevated serum C-reactive protein (CRP).

Interventions

48 hour continuous infusion delivered intravenously (IV)at a rate of 110µg/kg/hr.

OTHERPlacebo (Normal Saline)

48 hour continuous infusion delivered intravenously (IV)at a rate of 110µg/kg/hr.

Sponsors

Anthera Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
5 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Genotypes Hb SS, Hb SC, sickle β°-thalassemia, sickle β+ -thalassemia * Pain consistent with vaso-occlusive crisis (clinical judgment) and not attributable to other causes * Serum CRP ≥5.0 mg/L at time of screening * Fever defined as oral temperature ≥38.0°C at time of screening * Age ≥5 years

Exclusion criteria

* New or suspected new pulmonary infiltrate diagnosed by chest radiography * Females who are nursing, pregnant or intend to become pregnant * Renal dysfunction defined as a creatinine level \>1.2 mg/dL for subjects aged 18 or less or a creatinine level \>1.5 mg/dL for subjects over the age of 18 * Hepatic dysfunction (alanine aminotransferase \[ALT\] or aspartate aminotransferase \[AST\] \>3 × upper limit of normal) * Acute neurologic dysfunction * Any medical condition for which transfusion may be needed imminently, and/or hemoglobin \<5 g/dL * Red blood cell transfusion within 30 days prior to screening * Parenteral or oral corticosteroid therapy (inhaled steroids acceptable) within 7 days prior to screening

Design outcomes

Primary

MeasureTime frame
Efficacy of A 001 infusion in preventing acute chest syndrome in sickle cell disease (SCD) subjects with the combination of vaso-occlusive crisis, fever, and elevated serum C-reactive protein (CRP).Various time points up to Day 30

Secondary

MeasureTime frame
Safety and tolerability of A 001 therapy when administered as a 48-hour continuous infusion to SCD subjects at-risk for acute chest syndrome.Various time points up to Day 30
Impact of A-001 treatment on sPLA2 levels and CRP.Various time points up to Day 30
Impact of A-001 treatment on the signs and symptoms of vaso-occlusive crisis.Various time points up to Day 30
Impact of A-001 treatment on opioid use for pain in the treatment of vaso-occlusive crisis.Various time points up to Day 30

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026