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Acute Lymphoblastic LeukemiaPhase 1NCT04524455

Blinatumomab in Combination With AMG 404 for the Treatment of Adults With Relapsed or Refractory B Cell Precursor ALL

A Phase 1 study testing Blinatumomab, AMG 404 and Dexamethasone Premedication in people with Acute Lymphoblastic Leukemia, run by Amgen at 19 sites in 9 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The primary objective of this phase 1b study is to evaluate the safety and tolerability of blinatumomab and AMG 404 in combination in adults with R/R B-ALL and to estimate the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of AMG 404 when combined with continuous intravenous infusion (cIV)… Read more about this study

Who is it for?
Ages 18 to 99 years
Conditions the study is for
Acute Lymphoblastic Leukemia
What is being tested?
Blinatumomab, AMG 404 and Dexamethasone Premedication
Could I receive a placebo?
No, everyone receives an active treatment
How many people
17 participants
Where
19 sitesin 9 countries
Study dates
2 Oct 2020to 24 Jan 2023
Phase
Phase 1
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 18 to 99 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 years at enrollment.
  • Greater than or equal to 5% blasts in the bone marrow.
  • Eastern Cooperative Oncology Group performance status (ECOG PS) ≤ 2.
  • Negative pregnancy test in women of childbearing potential.

Who cannot join

  • Cancer chemotherapy (radiotherapy, chemotherapy, antibody therapy, molecular targeted therapy) within 14 days prior to study Day 1.
  • Known hypersensitivity to blinatumomab or AMG 404 or to any component of the product formulation.

Trial locations and contacts

19 sites in 9 countries.

19 sites in 9 countries

United States5 sites
  • University of Chicago

    Chicago, Illinois, 60637

  • Cleveland Clinic Taussig Cancer Center

    Cleveland, Ohio, 44195

  • City of Hope National Medical Center

    Duarte, California, 91010

  • University of Texas MD Anderson Cancer Center

    Houston, Texas, 77030

  • Icahn School of Medicine at Mount Sinai

    New York, New York, 10029

Other trials in United States

Germany3 sites
  • Klinikum und Fachbereich Medizin Johann Wolfgang Goethe-Universität Frankfurt am Main

    Frankfurt am Main, 60590

  • Universitätsklinikum Schleswig-Holstein

    Kiel, 24105

  • Universitaetsklinikum Regensburg

    Regensburg, 93053

Other trials in Germany

Australia2 sites
  • Royal Adelaide Hospital

    Adelaide, South Australia, 5000

  • The Royal Melbourne Hospital

    Parkville, Victoria, 3050

Other trials in Australia

France2 sites
  • Hôpital Saint Louis

    Paris, 75010

  • Centre Hospitalier Lyon Sud

    Pierre-Bénite, 69645

Other trials in France

Italy2 sites
  • Azienda Ospedaliera Universitaria di Bologna Policlinico S Orsola Malpighi

    Bologna, 40138

  • Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia

    Brescia, 25123

Other trials in Italy

Spain2 sites
  • Hospital Universitari Germans Trias i Pujol

    Badalona, Catalonia, 08916

  • Hospital Clinic i Provincial de Barcelona

    Barcelona, Catalonia, 08036

Other trials in Spain

Austria1 site
  • Ordensklinikum Linz Elisabethinen

    Linz, 4020

Other trials in Austria

Netherlands1 site
  • Universitair Medisch Centrum Groningen

    Groningen, 9713 GZ

Other trials in Netherlands

United Kingdom1 site
  • University College London

    London, NW3 2PF

Other trials in United Kingdom

About this study

Official title: A Phase 1b Open-label Study Investigating the Safety, Tolerability, Pharmacokinetics, and Efficacy of Administration of Blinatumomab in Combination With AMG 404 for the Treatment of Adults With Relapsed or Refractory B Cell Precursor Acute Lymphoblastic Leukemia (ALL)

The primary objective of this phase 1b study is to evaluate the safety and tolerability of blinatumomab and AMG 404 in combination in adults with R/R B-ALL and to estimate the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of AMG 404 when combined with continuous intravenous infusion (cIV) blinatumomab.

Being tested
Blinatumomab, AMG 404, Dexamethasone Premedication
Keywords
Blinatumomab, AMG 404, Leukemia
Medical subject headings
Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia

What participants receive

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

  • BlinatumomabDrug

    Also called Blincyto

    Blinatumomab will be administered as a continuous intravenous infusion (cIV).

  • AMG 404Drug

    AMG 404 will be administered as an intravenous infusion (IV).

  • Dexamethasone PremedicationDrug

    Dexamethasone will be administered orally or intravenously prior to blinatumomab treatment, as needed.

Study groups in NCT04524455
Study groupRoleWhat they receive
Blinatumomab and AMG 404ExperimentalNot described
Receives: Drug: Blinatumomab; Drug: AMG 404; Drug: Dexamethasone Premedication

What is being measured

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

  1. Number of Participants Who Experienced Dose-Limiting Toxicities (DLTs)

    Investigators determined whether an adverse event (AE) qualified as a DLT per pre-specified protocol defined criteria. An AE was defined as any untoward medical occurrence in a clinical study participant irrespective of a causal relationship with the study treatment.

    Measured: Cohort 1: Up to 67 days; Cohort 2a: Up to 56 days

  2. Number of Participants Who Experienced Treatment-Emergent AEs (TEAEs)

    A TEAE was defined as any AE starting on or after first dose of blinatumomab or AMG 404. The investigator used clinical judgment to assess causal relationship. A serious AE (SAE) was defined as any AE that:

    • results in death,
    • immediately life-threatening,
    • requires in-patient hospitalization or prolongation of existing hospitalization,
    • results in persistent or significant disability/incapacity,
    • is a congenital anomaly/birth defect, and/or
    • other medically important serious AE.

    AEs of interest (EOIs) for blinatumomab included capillary leak syndrome, cytokine release syndrome, decreased immunoglobulins, elevated liver enzyme, embolic and thrombotic events, immunogenicity, infections, infusion reactions without considering duration, leukoencephalopathy, progressive multifocal leukoencephalopathy, neurologic events, neutropenia and febrile neutropenia, pancreatitis, and tumor lysis syndrome. EOIs for AMG 404 included non-infectious diarrhea and hemorrhages.

    Measured: Median (min, max) overall duration from first dose until 30 days after last dose is: 83.4 (40.2, 274.1) days

Secondary outcomes (10)
  1. Percentage of Participants Who Achieved Complete Remission (CR) or CR With Partial Hematological Recovery (CRh) (CR/CRh)

    Hematological remissions were defined by the following criteria:

    CR:

    • Less than 5% blasts in the bone marrow (BM)
    • No evidence of disease
    • Full recovery of peripheral blood (PB) counts:
    • Platelets > 100 000/μl
    • Absolute neutrophil count (ANC) > 1000/μl

    CR with only CRh:

    • Less than 5% blasts in the BM
    • No evidence of disease
    • Partial recovery of PB counts:
    • Platelets > 50 000/μl and
    • ANC > 500/μl

    Percentage of participants with CR/CRh were summarized along with corresponding 95% exact confidence interval (CI) using the Clopper-Pearson method.

    Measured: Within the first 2 cycles: Up to approximately 86 days; across all cycles: Up to approximately 274 days

  2. Percentage of Participants Who Achieved CR

    Hematological remissions were defined by the following criteria:

    CR:

    • Less than 5% blasts in the BM
    • No evidence of disease
    • Full recovery of PB counts:
    • Platelets > 100 000/μl
    • ANC > 1000/μl

    Percentage of participants with CR were summarized along with corresponding 95% exact CI using the Clopper-Pearson method.

    Measured: Within the first 2 cycles: Up to approximately 86 days; across all cycles: Up to approximately 274 days

  3. Median Duration of CR in Participants Who Achieved CR Within First 2 Cycles

    Duration of CR was calculated from the date CR was first achieved within the first 2 cycles until the earliest date of disease assessment indicating a relapse event or death due to any cause, whichever occurred first. Months were calculated as days from date of CR to event/censor date, divided by 30.5.

    Median time to event and 95% CI was summarized using the Kaplan-Meier (KM) method.

    Measured: Up to approximately 274 days

  4. Median Duration of CR/CRh in Participants Who Achieved CR/CRh Within First 2 Cycles

    Duration of CR/CRh was calculated from the date CR/CRh was first achieved within the first 2 cycles until the earliest date of disease assessment indicating a relapse event or death due to any cause, whichever occurred first. Months were calculated as days from date of CR/CRh to event/censor date, divided by 30.5.

    Median time to event and 95% CI was summarized using the KM method.

    Measured: Up to approximately 274 days

  5. Steady-state Concentrations (Css) of Blinatumomab

    Pharmacokinetic (PK) parameters were estimated using standard non-compartmental approaches and summarized by dose level as pre-specified in the protocol.

    Measured: Cohort 1: C1D1 and D8 (predose, 2 to 24 h postdose), and D11, D18 and D29; C2D1 (predose, 2 to 24 h postdose) and D29. Cohort 2a: C1D3 and D10 (predose, 2 to 48 h postdose), and D29, D30 and D31; C2D1 (predose, 2 to 24 h postdose), D13 and D29

  6. Maximum Observed Concentration (Cmax) of AMG 404

    PK parameters were estimated using standard non-compartmental approaches and summarized by dose level as pre-specified in the protocol.

    Measured: Cohort 1: C1D11 (predose, end of infusion to 48 h postdose), D18, D29, and D39 (predose and end of infusion). Cohort 2a: C1D1 (predose, end of infusion to 168 h postdose), D12 and D29 (predose and end of infusion)

  7. Time to Cmax (Tmax) of AMG 404

    PK parameters were estimated using standard non-compartmental approaches and summarized by dose level as pre-specified in the protocol.

    Measured: Cohort 1: C1D11 (predose, end of infusion to 48 h postdose), D18, D29, and D39 (predose and end of infusion). Cohort 2a: C1D1 (predose, end of infusion to 168 h postdose), D12 and D29 (predose and end of infusion)

  8. Area Under the Plasma Concentration-time Curve From Time 0 to 28 Days Post Infusion (AUC0-28d) of AMG 404

    PK parameters were estimated using standard non-compartmental approaches and summarized by dose level as pre-specified in the protocol.

    Measured: Cohort 1: C1D11 (predose, end of infusion to 48 h postdose), D18, D29, and D39 (predose and end of infusion). Cohort 2a: C1D1 (predose, end of infusion to 168 h postdose), D12 and D29 (predose and end of infusion)

  9. Number of Participants With Incidences of Anti-Blinatumomab Antibodies

    Only samples testing positive for anti-blinatumomab binding antibodies were to be tested for neutralizing antibodies (NAbs) as pre-specified in the protocol.

    Measured: Up to approximately 274 days

  10. Number of Participants With Incidences of Anti-AMG 404 Antibodies

    Only samples testing positive for anti-AMG 404 binding antibodies were to be tested for NAbs as pre-specified in the protocol.

    Measured: Up to approximately 274 days

Timeline

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

  1. First posted24 Aug 2020
  2. Study start2 Oct 2020
  3. Primary completion24 Jan 2023
  4. Study completion24 Jan 2023

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 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
17 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04524455
Sponsor's protocol ID
20190177
Status last verified
Oct 2023
First submitted
20 Aug 2020
Last updated
8 Apr 2024
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Blinatumomab, AMG 404 and Dexamethasone Premedication in people with Acute Lymphoblastic Leukemia, run by Amgen at 19 sites in 9 countries.

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 4 inclusion and 2 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: finished, as of the sponsor's last update on 8 Apr 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 19 sites in United States, Germany, Australia, France, Italy and 4 more countries. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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 8 Apr 2024). 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?

Number of Participants Who Experienced Dose-Limiting Toxicities (DLTs) (time frame: Cohort 1: Up to 67 days; Cohort 2a: Up to 56 days). The study lists 2 primary outcomes in all. 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 8 Apr 2024.

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