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A Study Evaluating the Safety and Activity of Pegylated Recombinant Human Arginase (BCT-100) (PARC)

U

University of Birmingham

Status and phase

Completed
Phase 2
Phase 1

Conditions

Pediatric Solid Tumor
Pediatric ALL
Cancer
Pediatric AML

Treatments

Drug: PEG- BCT-100

Study type

Interventional

Funder types

Other

Identifiers

NCT03455140
RG_16-040

Details and patient eligibility

About

PARC is an international phase I/II trial evaluating the safety and activity of pegylated recombinant human arginase (BCT-100) in children and young people with relapsed/refractory leukaemia, neuroblastoma, sarcoma and high grade gliomas (brain cancers).

Currently the outcomes for these patients are poor and the therapeutic options are limited with a significant toxicity burden. Therefore new treatments which work in different ways to standard chemotherapy are urgently needed. Research has shown that arginine (a nutrient) is important in the survival of cancer cells. BCT-100 is a drug which can deplete arginine levels and starve cancer cells - a completely new approach. BCT-100 has been tested in adults and shown to be active with almost no side-effects. This trial will test whether this dose of BCT-100 is also safe and active in children with relapsed/refractory leukaemia, neuroblastoma, sarcoma and high grade glioma. The trial will also study how BCT-100 is broken down in the body and look for new biological markers of treatment response. Up to 64 children with relapsed cancers will be recruited over 2 years.

Enrollment

49 patients

Sex

All

Ages

1 to 25 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Aged 1- <25 years old at the time of study registration

  • Histologically confirmed disease in one of the following four groups:

    • Group 1 - Acute lymphoblastic leukaemia (ALL) and acute myeloid leukaemia (AML)
    • Group 2 - Neuroblastoma Group 3 - Sarcoma
    • Group 4 - High grade glioma (as defined by 2016 WHO CNS classification)
  • Radiological or laboratory evidence of disease progression (during or after completion of first line treatment) or any subsequent recurrence (biopsy at relapse is not mandated).

  • Measurable bone marrow disease (group 1) or at least one evaluable radiological site of disease (group 2, 3 and 4).

  • Adequate liver function defined as a total bilirubin ≤1.5x the upper limit of normal for age and ALT ≤ 3x the upper limit of normal for age

  • Documented negative pregnancy test for female patients of childbearing potential within 7 days of trial entry

  • Sexually active patients must agree to use adequate and appropriate contraception while on study drug and for 12 months following treatment discontinuation

  • Written informed consent given by patient and/or parents/legal representative

Exclusion criteria

  • Previous treatment with another therapeutic arginine depleting drug (bacterial or human) or arginase inhibitor
  • Presence of any ≥ CTCAE grade 3 clinically significant treatment-related toxicity from prior therapies
  • Pregnant or lactating female
  • Evidence of uncontrolled infection

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

49 participants in 4 patient groups

Group 1 - Leukaemia
Experimental group
Description:
PEG- BCT-100 in patients with Leukaemia Starting dose 1600U/Kg IV infusion weekly
Treatment:
Drug: PEG- BCT-100
Group 2 - Neuroblastoma
Experimental group
Description:
PEG- BCT-100 in patients with Neuroblastoma Starting dose 1600U/Kg IV infusion weekly
Treatment:
Drug: PEG- BCT-100
Group 3 - Sarcomas
Experimental group
Description:
PEG- BCT-100 in patients with Sarcomas Starting dose 1600U/Kg IV infusion weekly
Treatment:
Drug: PEG- BCT-100
Group 4 - High Grade Glioma
Experimental group
Description:
PEG- BCT-100 in patients with High Grade Gliomas Starting dose 1600U/Kg IV infusion weekly
Treatment:
Drug: PEG- BCT-100

Trial contacts and locations

14

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Data sourced from clinicaltrials.gov

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