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Table · dataset · 2026

Table_1_RETRACTED: PARC: a phase I/II study evaluating the safety and activity of pegylated recombinant human arginase BCT-100 in relapsed/refractory cancers of children and young adults.docx

Listed in figshare and Loughborough Research Repository — shown once because both records carry DOI 10.3389/fonc.2024.1296576.s001

Background<p>The survival for many children with relapsed/refractory cancers remains poor despite advances in therapies.

Description

Arginine metabolism plays a key role in the pathophysiology of a number of pediatric cancers. We report the first in child study of a recombinant human arginase, BCT-100, in children with relapsed/refractory hematological, solid or CNS cancers.</p>Procedure<p>PARC was a single arm, Phase I/II, international, open label study.

BCT-100 was given intravenously over one hour at weekly intervals. The Phase I section utilized a modified 3 + 3 design where escalation/de-escalation was based on both the safety profile and the complete depletion of arginine (defined as adequate arginine depletion; AAD <8μM arginine in the blood after 4 doses of BCT-100). The Phase II section was designed to further evaluate the clinical activity of BCT-100 at the pediatric RP2D determined in the Phase I section, by recruitment of patients with pediatric cancers into 4 individual groups.

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A primary evaluation of response was conducted at eight weeks with patients continuing to receive treatment until disease progression or unacceptable toxicity.</p>Results<p>49 children were recruited globally. The Phase I cohort of the trial established the Recommended Phase II Dose of 1600U/kg iv weekly in children, matching that of adults. BCT-100 was very well tolerated.

No responses defined as a CR, CRi or PR were seen in any cohort within the defined 8 week primary evaluation period. However a number of these relapsed/refractory patients experienced prolonged radiological SD.</p>Conclusion<p>Arginine depletion is a clinically safe and achievable strategy in children with cancer. The RP2D of BCT-100 in children with relapsed/refractory cancers is established at 1600U/kg intravenously weekly and can lead to sustained disease stability in this hard to treat population.</p>Clinical trial registration<p>EudraCT, 2017-002762-44; ISRCTN, 21727048; and ClinicalTrials.gov, NCT03455140.</p>

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Inferred from text
Disease 75%
Provenance · 2 source records, 47 field assertions
SourceKeyLast seenRaw
figshareoai:figshare.com:article/339726854 d agoJSON v1
Loughborough Research Repositoryoai:figshare.com:article/339726854 d agoJSON v1
FieldAssertionExtractorEvidence
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concepts[disease].local:disease:cancermapping · figshare comvocabulary-mapper@1.0.0keywords['Cancer']
concepts[disease].local:disease:cancermapping · repository lboro ac ukvocabulary-mapper@1.0.0keywords['Cancer']
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concepts[field].anzsrc:field:321101mapping · figshare comvocabulary-mapper@1.0.0keywords['Cancer Cell Biology']
concepts[field].anzsrc:field:321101mapping · repository lboro ac ukvocabulary-mapper@1.0.0keywords['Cancer Cell Biology']
concepts[field].anzsrc:field:321102mapping · repository lboro ac ukvocabulary-mapper@1.0.0keywords['Cancer Diagnosis']
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concepts[field].anzsrc:field:321103mapping · figshare comvocabulary-mapper@1.0.0keywords['Cancer Genetics']
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concepts[field].anzsrc:field:321106mapping · repository lboro ac ukvocabulary-mapper@1.0.0keywords['Haematological Tumours']
concepts[field].anzsrc:field:321106mapping · figshare comvocabulary-mapper@1.0.0keywords['Haematological Tumours']
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