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TerminatedNCT03148756Updated Apr 25, 2022Results posted

Efficacy and Safety of Dalbavancin Compared to Standard of Care Antibiotic Therapy for the Completion of Treatment of Patients With Complicated Bacteremia or Infective Endocarditis

A Phase 2 interventional study of Dalbavancin and Standard of Care in Endocarditis and Bacteremia, sponsored by AbbVie. Terminated at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2022-04-25.

Sponsored by AbbVie · Phase 2, Interventional, and Treatment

Why this study was terminated
Study stopped due to business reasons.
Phase
Phase 2
Study type
Interventional
Enrollment
2
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

This study will compare dalbavancin to standard of care (SOC) antibiotic therapy for the completion of therapy in patients with complicated bacteremia or infective endocarditis.

02

Conditions studied

  • Endocarditis
  • Bacteremia
03

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • A diagnosis of complicated bacteremia or infective endocarditis
  • Gram-positive bacteremia at screening with methicillin-susceptible Staphylococcus aureus (MSSA), methicillin-resistant Staphylococcus aureus (MRSA) or Streptococci
  • Treatment with standard of care antibiotics for 72 hours (h) - 10 days
  • Defervescence for at least 24h and clearance of bacteremia from screening pathogen.

Exclusion criteria

Exclusion Criteria:

  • Embolic events
  • History of prosthetic valve surgery, cardiac device or prosthetic joint
  • Left-sided endocarditis due to Staphylococcus aureus (S. aureus)
  • Large mobile vegetations (>10 mm) on mitral valves
  • Perivalvular abscess
  • Uncomplicated bacteremia due to S. aureus
  • Gram-negative bacteria or fungi in blood cultures
  • Heart failure associated with infective endocarditis [Left Ventricular Ejection Fraction (LVEF) \<40%]
  • Intravascular material or removable infection source not intended to be removed within 4 days postrandomization
  • Planned valve replacement surgery within 3 days of randomization
  • Refractory shock, significant hepatic insufficiency or severe leukopenia [Absolute Neutrophil Count (ANC) \< 500 cells/mm\^3]
  • Known osteomyelitis
  • Hypersensitivity to dalbavancin or other drugs in glycopeptide class
  • Infection with enterococci, coagulase-negative staphylococci, or with organism not susceptible to dalbavancin or vancomycin
  • Immunosuppression/immune deficiency
  • Concomitant systemic antibacterial therapy for gram-positive infection other than that allowed in protocol
  • Pregnant or nursing females.
04

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
2 participants (actual)

Study arms

  • Experimental
    Dalbavancin

    Dalbavancin 1500 mg, intravenous (IV) administration over 30 minutes on Day 1, and on Day 8.

    Drug: Dalbavancin

  • Active comparator
    Standard of Care

    Antibiotic consistent with Standard of Care (SOC), based on baseline pathogen, for 4 to 6 weeks.

    Drug: Standard of Care

Interventions

  • DrugDalbavancin

    Dalbavancin 1500 mg, intravenous (IV) administration over 30 minutes on Day 1, and on Day 8.

  • DrugStandard of Care

    Antibiotic consistent with Standard of Care (SOC), based on baseline pathogen, for 4 to 6 weeks.

05

What researchers measure

Primary outcomes

  1. Number of Participants With Clinical Response at Day 84 in the Intent-to Treat (ITT) Population

    Clinical response was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required. Failure was defined as: ongoing signs and symptoms considered by the investigator to be related to complicated bacteremia or IE requiring additional antibacterial therapy or unplanned valve replacement, recurrent bacteremia, death during the study period up to Day 84 or discontinuation of the study medication due to an adverse event.

    Time frame: Day 84

Secondary outcomes

  1. Percentage of Participants With Clinical Outcome of Success at Day 42 in the ITT Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 42

  2. Percentage of Participants With Clinical Outcome of Success at Day 42 in the Clinically Evaluable (CE) Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 42

  3. Number of Participants With Day 84 Mortality in the Safety Population

    Day 84 mortality was measured by the number of deaths up to Day 84.

    Time frame: Day 84

  4. Percentage of Participants With Clinical Outcome of Success at Day 84 in the CE Population

    Clinical outcome was either success or failure/relapse. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 84

  5. Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the ITT Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 42

  6. Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the ITT Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 84

  7. Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the CE Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 42

  8. Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the CE Population

    Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

    Time frame: Day 84

  9. Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the ITT Population

    Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

    Time frame: Day 42

  10. Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the ITT Population

    Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

    Time frame: Day 84

  11. Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the CE Population

    Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

    Time frame: Day 42

  12. Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the CE Population

    Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

    Time frame: Day 84

06

Results

Posted Sep 10, 2018

Participant flow

Participant flow — Overall Study
MilestoneDalbavancinStandard of Care
Started02
Completed01
Not completed01
Withdrew: Study terminated01

Outcome measures

PrimaryNumber of Participants With Clinical Response at Day 84 in the Intent-to Treat (ITT) Population

Clinical response was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required. Failure was defined as: ongoing signs and symptoms considered by the investigator to be related to complicated bacteremia or IE requiring additional antibacterial therapy or unplanned valve replacement, recurrent bacteremia, death during the study period up to Day 84 or discontinuation of the study medication due to an adverse event.

Time frame:
Day 84
Reported as:
Count of participants · Participants
Number of Participants With Clinical Response at Day 84 in the Intent-to Treat (ITT) Population
ParticipantsDalbavancinStandard of Care
Success—1
Failure—0
SecondaryPercentage of Participants With Clinical Outcome of Success at Day 42 in the ITT Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success at Day 42 in the ITT Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success at Day 42 in the ITT Population—100
SecondaryPercentage of Participants With Clinical Outcome of Success at Day 42 in the Clinically Evaluable (CE) Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success at Day 42 in the Clinically Evaluable (CE) Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success at Day 42 in the Clinically Evaluable (CE) Population—100
SecondaryNumber of Participants With Day 84 Mortality in the Safety Population

Day 84 mortality was measured by the number of deaths up to Day 84.

Time frame:
Day 84
Reported as:
Count of participants · Participants
Number of Participants With Day 84 Mortality in the Safety Population
ParticipantsDalbavancinStandard of Care
Number of Participants With Day 84 Mortality in the Safety Population—0
SecondaryPercentage of Participants With Clinical Outcome of Success at Day 84 in the CE Population

Clinical outcome was either success or failure/relapse. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 84
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success at Day 84 in the CE Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success at Day 84 in the CE Population—100
SecondaryPercentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the ITT Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the ITT Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the ITT Population—100
SecondaryPercentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the ITT Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 84
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the ITT Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the ITT Population—100
SecondaryPercentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the CE Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the CE Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 42 in the CE Population—100
SecondaryPercentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the CE Population

Clinical outcome was either success or failure. Success was defined as resolution of clinical signs and symptoms of complicated bacteremia or infective endocarditis (IE) such that no additional antibiotic therapy was required.

Time frame:
Day 84
Reported as:
Number · percentage of participants
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the CE Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Clinical Outcome of Success by Pathogen at Day 84 in the CE Population—100
SecondaryPercentage of Participants With Microbiological Success by Pathogen at Day 42 in the ITT Population

Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the ITT Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the ITT Population—100
SecondaryPercentage of Participants With Microbiological Success by Pathogen at Day 84 in the ITT Population

Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

Time frame:
Day 84
Reported as:
Number · percentage of participants
Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the ITT Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the ITT Population—100
SecondaryPercentage of Participants With Microbiological Success by Pathogen at Day 42 in the CE Population

Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

Time frame:
Day 42
Reported as:
Number · percentage of participants
Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the CE Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Microbiological Success by Pathogen at Day 42 in the CE Population—100
SecondaryPercentage of Participants With Microbiological Success by Pathogen at Day 84 in the CE Population

Microbiological outcome could be either microbiologic success or microbiologic failure. Microbiologic Success was defined as no further growth of baseline pathogen from blood cultures.

Time frame:
Day 84
Reported as:
Number · percentage of participants
Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the CE Population
percentage of participantsDalbavancinStandard of Care
Percentage of Participants With Microbiological Success by Pathogen at Day 84 in the CE Population—100

Adverse events

Collected over Up to 84 Days. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Dalbavancin———
Standard of Care0/2 (0%)—1/2 (50%)
Most frequent other events
Most frequent other events
EventDalbavancinStandard of Care
AnaemiaBlood and lymphatic system disorders—1/2

Baseline characteristics

All randomized participants.

Age, Categorical
Age, Categorical(Participants)DalbavancinStandard of CareTotal
<=18 years——0
Between 18 and 65 years——0
>=65 years——0
Sex: Female, Male
Sex: Female, Male(Participants)DalbavancinStandard of CareTotal
Female——0
Male——0
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)DalbavancinStandard of CareTotal
White022
07

Study locations

1 site
  • Midway Immunology and Research Center
    Fort Pierce, Florida 34982, United States
08

References and documents

Study documents

  • Protocol and statistical analysis plan · Oct 19, 2016

Documents are hosted by the registry — open the source record to download them.

09

Registry details

Key details

Study ID
NCT03148756
Lead sponsor
AbbVie
Responsible party
Sponsor
First posted
May 11, 2017
Start date
May 12, 2017
Primary completion
Aug 4, 2017
Completion
Aug 4, 2017
Results posted
Sep 10, 2018
Last update
Apr 25, 2022

Study contacts

Urania Rappo, MD
study director · Allergan

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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