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MalignancyPhase 2NCT01135537

Pharmacokinetics of Thymoglobulin in Paediatric Haematopoietic Stem-cell Transplants

A Phase 2 study testing Thymoglobulin (rATG) in people with Malignancy and Metabolic Disease, run by The Hospital for Sick Children at 1 site in Canada.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This study will describe the pharmacokinetic disposition of biologically active rabbit anti-thymocyte globulin (rATG) after a consistent dose of 7.5 mg/kg/course given as part of the conditioning regimen in children undergoing hematopoeitic stem cell transplantation (HSCT). Read more about this study

Who is it for?
Ages Up to 21 years
Conditions the study is for
Malignancy, Metabolic Disease, Genetic Disorder
What is being tested?
Thymoglobulin (rATG)
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteCanada
Study dates
Nov 2009to Jan 2014
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Up to 21 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Who may be able to join

  • All patients who are scheduled to receive ATG 2.5mg/kg/day for 3 days as part of the preparative regimen for HSCT, as determined by the responsible HSCT physician.
  • Written, informed consent

Who cannot join

  • Hypersensitivity to rabbit proteins or to any product excipients
  • Active acute or chronic infections, which would contraindicate any additional immunosuppression
  • Known pregnancy or breastfeeding

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • The Hospital For Sick Children

    Toronto, Ontario, M5G 1X8

Other trials in Canada

About this study

Official title: Pharmacokinetics and Pharmacodynamics of Thymoglobulin in Paediatric Haematopoietic Stem-cell Transplant Recipients

This study will describe the pharmacokinetic disposition of biologically active rabbit anti-thymocyte globulin (rATG) after a consistent dose of 7.5 mg/kg/course given as part of the conditioning regimen in children undergoing hematopoeitic stem cell transplantation (HSCT).

Read the detailed description

Allogeneic hematopoeitic stem cell transplantation (HSCT) is a therapeutic option for patients with malignancies as well as metabolic and genetic diseases. Conditioning regimens given prior to donor cell infusion aim to ablate the recipient bone-marrow, to allow engraftment of the stem-cells infused, and to prevent acute versus host disease (aGVHD). Anti-thymocyte globulin (ATG) is one of the immunosuppressive drugs given as a preparative regimen for HSCT. Subjects will be given an ATG infusion daily for 3 days prior to HSCT and serum levels will be collected, as per schedule, with the last sample taken +100 days post-HSCT.

Being tested
Thymoglobulin (rATG)
Keywords
allogeneic hematopoietic stem cell transplantation, pharmacokinetics, pediatrics
Medical subject headings
Neoplasms, Metabolic Diseases, Genetic Diseases, Inborn

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Thymoglobulin (rATG)Biological

    Also called Anti-thymocyte Globulin (Rabbit)

    Thymoglobulin 2.5 mg/kg of body weight IV administered daily for 3 days prior to HSCT.

    Thymoglobulin infused over a minimum of 6 hours for the first infusion and over at least 4 to 6 hours on subsequent days of therapy.

Study groups in NCT01135537
Study groupRoleWhat they receive
ThymoglobulinExperimentalThymoglobulin 7.5 mg/kg/course prior to HSCT
Receives: Biological: Thymoglobulin (rATG)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Pharmacokinetic Disposition of ATG After a 7.5 mg/kg/Course

    ATG pharmacokinetic parameters were estimated using a noncompartmental model. Maximum Observed Concentration (Cmax) of ATG After a 7.5 mg/kg/Course was measured

    Measured: 100 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Jun 2010 (estimated)
  2. Study startNov 2009
  3. Primary completionJan 2014
  4. Study completionJan 2014

Why it stopped: The study was closed before 2017 due to inconclusive results from Lab

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01135537
Sponsor's protocol ID
1000013834
Status last verified
Nov 2019
First submitted
26 Mar 2010
Last updated
4 Nov 2019
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Thymoglobulin (rATG) in people with Malignancy and Metabolic Disease, run by The Hospital for Sick Children at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 4 Nov 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 4 Nov 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Pharmacokinetic Disposition of ATG After a 7.5 mg/kg/Course (time frame: 100 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Nov 2019.

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