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Cardiomyopathy, DilatedPhase 2NCT04192214

The Persistence of Autoantibody Neutralisation by BC 007 in Patients With Chronic HFrEF and Autoantibodies Against the Beta1-Adrenergic Receptor

A Phase 2 study testing BC 007 in people with Cardiomyopathy, Dilated and Heart Failure, run by Berlin Cures GmbH at 3 sites in Serbia.

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

Chronic heart failure (CHF) is one of the major causes of death in Western societies. Evidence has accumulated that functionally active autoantibodies directed against the beta1 adrenergic receptor (β1 AAb) are of pathophysiological relevance for the development and progression of cardiomyopathy and associated CHF. Read more about this study

Who is it for?
Ages 18 to 90 years
What is being tested?
BC 007
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
3 sitesSerbia
Study dates
29 Mar 2019to 6 Dec 2022
Phase
Phase 2
Are there results?
None posted in the registry

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 90 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female participant ≥18 years of age, at the time of signing the informed consent.
  • Participant has CHF class II III, according to the NYHA classification.
  • Participant has a chronic HFrEF with a left ventricular ejection fraction (LVEF) ≤40 % during screening (as assessed by in-hospital echocardiography).
  • Participant screened positive for β1 AAb by a validated functional assay.

Who cannot join

  • Participant has a sustained systolic blood pressure ≥160 mmHg prior to randomisation.
  • Participant has a sustained bradycardia with resting heart rate <45 beats per minute (bpm) or tachycardia with resting heart rate >100 bpm prior to randomisation.
  • Participant has an untreated primary valvular disease, considered clinically significant by the Investigator.
  • Participant has any condition or therapy, which would make the participant unsuitable for the study, or life expectancy less than 12 months (e.g., active malignancy).

Trial locations and contacts

3 sites in 1 country.

Serbia3 sites
  • Bežanijska Kosa Clinical and Hospital Centre

    Belgrade, 11000

  • Institut za kardiovaskularne bolesti Dedinje

    Belgrade, 11000

  • Zvezdara Clinical and Hospital Centre

    Belgrade, 11000

Other trials in Serbia

About this study

Official title: A Two Arm Randomised, Open-label Study to Investigate the Persistence of Autoantibody Neutralisation, the Safety, and Pharmacokinetics of BC 007 in Patients With Chronic Heart Failure With Reduced Ejection Fraction (HFrEF) and Autoantibodies Directed Against the beta1 Adrenergic Receptor

Chronic heart failure (CHF) is one of the major causes of death in Western societies. Evidence has accumulated that functionally active autoantibodies directed against the beta1 adrenergic receptor (β1 AAb) are of pathophysiological relevance for the development and progression of cardiomyopathy and associated CHF. BC 007 is under development for targeted neutralisation of autoantibodies directed against G protein coupled receptors, including β1 AAb. This is an open label, three-centre, randomised phase 2a study in participants with chronic HFrEF. The study will evaluate whether BC 007 causes a persistent neutralisation of the β1 AAb demonstrated by a negative β1 AAb status up to 12 months. Participants will be randomised in a 2:1 ratio to the treatment arm (BC 007) or the control arm (untreated). Treatment is repeated once up to month 11 if the participant's β1 AAb were not neutralised after 1st dosing on day 1 or reoccur.

Read the detailed description

Primary objective is:

  • To compare the efficacy of an intravenous (i.v.) infusion of BC 007 with an untreated control arm in removal of β1 AAb at month 12 in participants with chronic heart failure with reduced ejection fraction (HFrEF)

Secondary objectives are:

  • To evaluate the time to recurrence of β1 AAb after a single i.v. infusion of BC 007
  • To evaluate the response rate and time to recurrence of β1 AAb after a repeated single i.v. infusion of BC 007 after the first recurrence of β1 AAb
  • To evaluate the safety and tolerability of BC 007 after a single and a repeated single i.v. infusion
  • To determine the pharmacokinetic (PK) plasma and urine profiles of BC 007
  • To investigate the PK plasma profiles of BC 007 metabolites
  • To investigate the β aminoisobutyric acid (β-AIBA) plasma and urine, and uric acid serum and urine concentration as a marker for BC 007 degradation
  • To investigate the spontaneous conversion of β1 AAb status from positive to negative in untreated participants (control arm)

Exploratory objective is:

  • To evaluate the change of the left ventricular ejection fraction (LVEF) after a single and a repeated single i.v. infusion
Being tested
BC 007
Medical subject headings
Cardiomyopathy, Dilated, Heart Failure

What participants receive

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

  • BC 007Drug

    1350 mg of BC 007

Study groups in NCT04192214
Study groupRoleWhat they receive
BC 007Active comparatorThe treatment arm will comprise 20 randomly allocated β1-AAb positive dilative cardiomyopathy (DCM) patients. Participants will receive a continuous 75 minute infusion of 1350 mg BC 007 at day 1. The β1-AAb status will be monitored 10 days after treatment and every month. Treatment is repeated once up to month 11 if the participant's β1-AAbs were not neutralized after 1st dosing on day 1 or reoccur.
Receives: Drug: BC 007
ControlNo interventionThe control arm will comprise 10 randomly allocated β1-AAb positive DCM patients. Participants will receive standard therapy but no intervention. The β1- AAb status will be monitored every month.

What is being measured

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

  1. Proportion of β1 AAb negative participants at month 12

    Measured: 12 month

Secondary outcomes (23)
  1. Persistence of response defined as the time from initial β1 AAb neutralisation to β1 AAb recurrence.

    Measured: 12 month

  2. Response rate defined as the percentage of β1 AAb negative participants after a second treatment and persistence of response defined as the time from subsequent β1 AAb neutralisation to β1 AAb recurrence

    Measured: 12 month

  3. Comparative conversion rate of β1 AAb from positive to negative status measured by a cardiomyocyte beat rate assay in untreated participants (control arm)

    Measured: 12 month

  4. Number of Participants with abnormal laboratory values and/or adverse events that are related to treatment

    Measured: 12 month

  5. Area under the plasma concentration time curve (AUC) from time zero to the last quantifiable concentration (AUC0-t) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  6. Area under the plasma concentration time curve (AUC) from time zero extrapolated to infinity (AUC0-inf) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  7. Maximum observed plasma concentration (Cmax) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  8. Apparent terminal half-life (t1/2) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  9. Nominal time of Cmax (tmax) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  10. Plasma clearance (CL) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  11. Volume of distribution during terminal phase (Vz) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  12. Terminal elimination rate constant (λz) derived from BC 007 and BC 007 metabolite (N-1, N-2 and N-3) plasma concentrations

    Measured: 6 hour post start of infusion

  13. Cumulative amount of unchanged drug excreted into urine (Ae)

    Measured: 6 hour post start of infusion

  14. Fraction of intravenous administered drug that is excreted unchanged in urine (fe)

    Measured: 6 hour post start of infusion

  15. Renal clearance (CLR) of BC 007

    Measured: 6 hour post start of infusion

  16. Area under the plasma concentration time curve (AUC) from time zero to the last quantifiable concentration (AUC0-t) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 6 hour post start of infusion

  17. Area under the plasma concentration time curve (AUC) from time zero to the concentration after 4 hours (AUC0-4h) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 4 hour post start of infusion

  18. Area under the plasma concentration time curve (AUC) from time zero to the concentration after 6 hours (AUC0-6h) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 6 hour post start of infusion

  19. Area under the plasma concentration time curve (AUC) from time zero extrapolated to infinity (AUC0-inf) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 6 hour post start of infusion

  20. Maximum observed plasma concentration (Cmax) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 6 hour post start of infusion

  21. Nominal time of Cmax (tmax) derived from β-aminoisobutyric acid and uric acid plasma concentrations

    Measured: 6 hour post start of infusion

  22. Cumulative amount of β-aminoisobutyric acid and uric acid excreted into urine (Ae)

    Measured: 6 hour post start of infusion

  23. Renal clearance (CLR) of β-aminoisobutyric acid and uric acid

    Measured: 6 hour post start of infusion

Timeline

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

  1. First posted10 Dec 2019
  2. Study start29 Mar 2019
  3. Primary completion6 Dec 2022
  4. Study completion6 Dec 2022

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
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04192214
Sponsor's protocol ID
SBC007C201
Status last verified
Mar 2023
First submitted
3 Dec 2019
Last updated
3 Apr 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Haberland A, Holtzhauer M, Schlichtiger A, Bartel S, Schimke I, Muller J, Dandel M, Luppa PB, Wallukat G. Aptamer BC 007 - A broad spectrum neutralizer of pathogenic autoantibodies against G-protein-coupled receptors. Eur J Pharmacol. 2016 Oct 15;789:37-45. doi: 10.1016/j.ejphar.2016.06.061. Epub 2016 Jul 1.

    PubMed 27375076
  • Wenzel K, Schulze-Rothe S, Haberland A, Muller J, Wallukat G, Davideit H. Performance and in-house validation of a bioassay for the determination of beta1-autoantibodies found in patients with cardiomyopathy. Heliyon. 2017 Jul 31;3(7):e00362. doi: 10.1016/j.heliyon.2017.e00362. eCollection 2017 Jul.

    PubMed 28795160
  • Wallukat G, Muller J, Haberland A, Berg S, Schulz A, Freyse EJ, Vetter R, Salzsieder E, Kreutz R, Schimke I. Aptamer BC007 for neutralization of pathogenic autoantibodies directed against G-protein coupled receptors: A vision of future treatment of patients with cardiomyopathies and positivity for those autoantibodies. Atherosclerosis. 2016 Jan;244:44-7. doi: 10.1016/j.atherosclerosis.2015.11.001. Epub 2015 Nov 10.

    PubMed 26584137

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing BC 007 in people with Cardiomyopathy, Dilated and Heart Failure, run by Berlin Cures GmbH at 3 sites in Serbia.

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 4 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 3 Apr 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in Serbia. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Proportion of β1 AAb negative participants at month 12 (time frame: 12 month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04192214, which also lists 3 linked publications.

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 3 Apr 2023.

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