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Phase 2b Study to Assess the Safety and Tolerability of IV Tonapofylline in Subjects With Acute Decompensated Heart Failure (ADHF) and Renal Insufficiency (TRIDENT-1)

This study has been completed.
Information provided by (Responsible Party):
Biogen Identifier:
First received: July 1, 2008
Last updated: December 10, 2015
Last verified: December 2015
The purpose of the current study is to assess the safety and tolerability of intravenous tonapofylline.

Condition Intervention Phase
Renal Insufficiency
Congestive Heart Failure
Drug: tonapofylline
Drug: Placebo
Phase 2
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Assess the Safety and Tolerability of Intravenous Tonapofylline in Subjects With Acute Decompensated Heart Failure and Renal Insufficiency

Resource links provided by NLM:

Further study details as provided by Biogen:

Primary Outcome Measures:
  • Assess the safety andtolerability of intravenous tonapofylline, when added to standard therapy in subjects hospitalized with ADHF and renal insufficiency. [ Time Frame: 0-60 days ]

Enrollment: 420
Study Start Date: July 2008
Study Completion Date: December 2009
Primary Completion Date: October 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
.03 mg/kg
Drug: tonapofylline
Other Names:
  • Adentri
  • BG9928
Experimental: 2
.15 mg/kg
Drug: tonapofylline
Other Names:
  • Adentri
  • BG9928
Experimental: 3
.3 mg/kg
Drug: tonapofylline
Other Names:
  • Adentri
  • BG9928
Placebo Comparator: 4
Drug: Placebo


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Previous diagnosis of heart failure.
  • Must have ADHF, requiring hospitalization, with clinical evidence for volume overload

Exclusion Criteria:

  • History of an allergic reaction to any xanthine-containing substance.
  • History of seizure
  • History of stroke
  • Myocardial infarction
  • Uncorrected hemodynamically significant primary valvular disease or known Obstructive or restrictive cardiomyopathy.
  • Serious systemic infection
  • Major surgical procedures within 30 days
  • Acute coronary syndrome
  • Cardiogenic shock
  • Baseline body weight >150 kg
  • Participation in any other investigational study of drugs or devices within 30 days prior to Screening
  • Nursing mothers, pregnant women, or women planning on becoming pregnant during the study
  • Presence of any clinically significant condition that might interfere with optimal safe participation in this study
  Contacts and Locations
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Please refer to this study by its identifier: NCT00709865

  Show 189 Study Locations
Sponsors and Collaborators
Study Director: Medical Director Biogen
  More Information

Responsible Party: Biogen Identifier: NCT00709865     History of Changes
Other Study ID Numbers: 160HF301
Study First Received: July 1, 2008
Last Updated: December 10, 2015

Keywords provided by Biogen:
renal insufficiency
congestive heart failure
acute decompensated heart failure

Additional relevant MeSH terms:
Heart Failure
Renal Insufficiency
Heart Diseases
Cardiovascular Diseases
Kidney Diseases
Urologic Diseases processed this record on April 25, 2017