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Adrecizumab Phase 1 Trial

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ClinicalTrials.gov Identifier: NCT02991508
Recruitment Status : Completed
First Posted : December 13, 2016
Last Update Posted : March 15, 2017
Sponsor:
Collaborator:
Adrenomed AG
Information provided by (Responsible Party):
Peter Pickkers, Radboud University

Brief Summary:
This is the first clinical trial with ADRECIZUMAB. The purpose of this clinical trial to identify safety and tolerability of different doses of ADRECIZUMAB in healthy volunteers.

Condition or disease Intervention/treatment Phase
Healthy Volunteers Drug: Placebo Drug: Adrecizumab Phase 1

Detailed Description:

Adrenomedullin (ADM) is a natural occurring 52 amino acid peptide which is mainly expressed in endothelial and smooth muscle cells. ADM plasma levels are increased in patients with sepsis and related with severity of disease. ADM is a key regulator of vasotonus and of endothelial integrity in sepsis.

ADRECIZUMAB is an antibody against the N-terminus of ADM which only partially inhibits the bioactivity of ADM. Several septic animal studies have shown that administration of ADRECIZUMAB leads to reduced catecholamine demand, improved renal function, improved fluid balance and improved survival.

The administration of ADRECIZUMAB to rodents and non-human primates (NHP) has been tolerated very well. Single dose and repeated administrations over 14 days to rats and NHP in the GLP toxicology and safety study have not shown any clinical side-effects or histopathological findings.

Based on these data the starting dose for human beings should be 0.5 mg/kg ADRECIZUMAB as single infusion over 1 hour and should be increased up to 8 mg/kg.


Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 24 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized Double-blind Placebo-controlled Phase 1 Study on the Safety, Tolerability and Pharmacokinetics/-Dynamics of Escalating Single Intravenous Doses of ADRECIZUMAB (HAM8101) in Healthy Male Subjects
Actual Study Start Date : May 23, 2016
Actual Primary Completion Date : September 22, 2016
Actual Study Completion Date : September 22, 2016

Arm Intervention/treatment
Placebo Comparator: Placebo
Vehicle (20 mM His/HCl pH 6.0)
Drug: Placebo
Active Comparator: Adrecizumab 0.5 mg/kg
To assess the safety, tolerability and pharmacokinetics/-dynamics of single escalating doses of ADRECIZUMAB (0.5 mg/kg, 2,0 mg/kg and 8,0 mg/kg administered as single infusion over 1 hour) in healthy male subjects.
Drug: Adrecizumab
Active Comparator: Adrecizumab 2.0 mg/kg
To assess the safety, tolerability and pharmacokinetics/-dynamics of single escalating doses of ADRECIZUMAB (0.5 mg/kg, 2,0 mg/kg and 8,0 mg/kg administered as single infusion over 1 hour) in healthy male subjects.
Drug: Adrecizumab
Active Comparator: Adrecizumab 8.0 mg/kg
To assess the safety, tolerability and pharmacokinetics/-dynamics of single escalating doses of ADRECIZUMAB (0.5 mg/kg, 2,0 mg/kg and 8,0 mg/kg administered as single infusion over 1 hour) in healthy male subjects.
Drug: Adrecizumab



Primary Outcome Measures :
  1. Safety and tolerability expressed in total number of treatment related (serious) adverse events [ Time Frame: 3 months follow-up period ]
    Adverse events include: Clinically significant variation in vital signs compared to baseline (blood pressure and heart rate), local infusion reaction at site of i.v. IMP infusion, clinically significant changes in ECG compared to baseline and clinically significant deflections in laboratory parameters compared to baseline.


Secondary Outcome Measures :
  1. Area under the curve (AUC) of free Adrecizumab (pharmacokinetics) [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours, T=7 days, T=14 days, T=28 days, T=60 days, T=90 days. ]
  2. Peak plasma concentration (Cmax) of free Adrecizumab (pharmacokinetics) [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours, T=7 days, T=14 days, T=28 days, T=60 days, T=90 days. ]
  3. Terminal t1/2 of free Adrecizumab (pharmacokinetics) [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours, T=7 days, T=14 days, T=28 days, T=60 days, T=90 days. ]
  4. Clearance of free Adrecizumab (pharmacokinetics) [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours, T=7 days, T=14 days, T=28 days, T=60 days, T=90 days. ]
  5. Volume of distribution of free Adrecizumab (pharmacokinetics) [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours, T=7 days, T=14 days, T=28 days, T=60 days, T=90 days. ]
  6. Ex vivo cytokine production [ Time Frame: T=0 hours, T=1 hours, T=8 hours, T=7 days, T=14 days, T=28 days, T=90 days. ]
    Whole blood will be stimulated with LPS after which cytokine production will be determined by ELISA.

  7. Blood levels of norepinephrin, epinephrine, dopamine and renin [ Time Frame: T=0 hours, T=0.25 hours, T=0.5 hours, T=1 hours, T=1.5 hours, T=2 hours, T=3 hours, T=4 hours, T=8 hours, T=24 hours. ]
  8. Blood levels of endothelin and pro-enkephalin. [ Time Frame: T=0, T=0.25, T=0.5, T=1, T=1,5, T=2, T=3, T=4, T=8, T=24 hours. T=7, T=14, T=28, T=60, T=90 days. ]
  9. Plasma levels of adrenomedullin and MR-proadrenomedullin [ Time Frame: T=0, T=0.25, T=0.5, T=1, T=1,5, T=2, T=3, T=4, T=8, T=24 hours. T=7, T=14, T=28, T=60, T=90 days. ]


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Ages Eligible for Study:   18 Years to 35 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  1. Written informed consent to participate in this trial prior to any study-mandated procedure.
  2. Male subjects aged 18 to 35 years inclusive.
  3. Subjects have to agree to use a reliable way of contraception with their partners from study entry until 3 months after study drug administration.
  4. BMI between 18 and 30 kg/m², with a lower limit of body weight of 50 kg and a upper limit of 100 kg.
  5. Healthy as determined by medical history, physical examination, vital signs, 12 lead electrocardiogram, and clinical laboratory parameters.

Exclusion Criteria:

  1. Unwillingness to abstain from any medication, recreational drugs, anti-oxidant or vitamin supplements during the course of the study and within 7 days prior to the treatment day.
  2. Unwillingness to abstain from smoking or alcohol 1 day prior to the treatment day and during the first 24 hours of the study.
  3. Surgery or trauma with significant blood loss or blood donation within 3 months prior to the treatment day.
  4. History, signs or symptoms of cardiovascular disease, in particular:

    • History of frequent vasovagal collapse or of orthostatic hypotension
    • Resting pulse rate ≤45 or ≥100 beats / min
    • Hypertension (RR systolic >160 or RR diastolic >90)
    • Hypotension (RR systolic <100 or RR diastolic <50)
    • Conduction abnormalities on the ECG consisting of a 1st degree atrioventricular block or a complex bundle branch block
    • Any chronic cardiac arrhythmias, except PAC's, PVC's
  5. Renal impairment: plasma creatinine >120 µmol/L
  6. Liver function tests (alkaline phosphatase, AST, ALT and/or γ-GT) above 2x the upper limit of normal.
  7. History of asthma
  8. Atopic constitution
  9. CRP above 2x the upper limit of normal or clinically significant acute illness, including infections, within 2 weeks before administration of the study drug.
  10. Treatment with investigational drugs or participation in any other clinical trial within 30 days prior to study drug administration.
  11. Known or suspected of not being able to comply with the trial protocol.
  12. Known hypersensitivity to any excipients of the drug formulations used. Inability to personally provide written informed consent (e.g. for linguistic or mental reasons) and/or take part in the study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02991508


Locations
Netherlands
Radboudumc
Nijmegen, Gelderland, Netherlands, 6500HB
Sponsors and Collaborators
Radboud University
Adrenomed AG
Investigators
Principal Investigator: Peter Pickkers, MD, PhD Radboudumc department of Intensive Care

Responsible Party: Peter Pickkers, Prof. dr., Radboud University
ClinicalTrials.gov Identifier: NCT02991508     History of Changes
Other Study ID Numbers: Adrecizumab-phase1
2015-005671-24 ( EudraCT Number )
First Posted: December 13, 2016    Key Record Dates
Last Update Posted: March 15, 2017
Last Verified: March 2017
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

Keywords provided by Peter Pickkers, Radboud University:
Adrecizumab
Phase 1 clinical trial
Adrenomedullin
Healthy volunteers
Monoclonal recombinant antibody