Terminated PHASE2 INTERVENTIONAL 6-arm NCT00745316

Oral Tonapofylline (BG9928) in Patients With Heart Failure and Renal Insufficiency (POSEIDON)

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Assess the Safety and Tolerability of Oral Tonapofylline in Patients With Heart Failure and Renal Insufficiency

Sponsor: Biogen

Conditions Heart Failure Renal Insufficiency

Interventions Placebo Tonapofylline

Updated 9 times since 2017 Last updated: Sep 4, 2023 Started: Feb 28, 2009 Primary completion: Jan 31, 2010 Completion: Jan 31, 2010

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Company Decision

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Other Heart Failure trials with similar outcome

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Listed as NCT00745316, this PHASE2 trial focuses on Heart Failure and Renal Insufficiency and remains terminated or withdrawn. Sponsored by Biogen, it has been updated 9 times since 2009, reflecting limited change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

Change History

9 versions recorded

Sep 2025 — Present [monthly]

Terminated PHASE2
Sep 2024 — Sep 2025 [monthly]

Terminated PHASE2
Jul 2024 — Sep 2024 [monthly]

Terminated PHASE2
Oct 2023 — Jul 2024 [monthly]

Terminated PHASE2
Apr 2022 — Oct 2023 [monthly]

Terminated PHASE2

▶ Show 4 earlier versions

Jan 2021 — Apr 2022 [monthly]

Terminated PHASE2
Jun 2018 — Jan 2021 [monthly]

Terminated PHASE2
Feb 2017 — Jun 2018 [monthly]

Terminated PHASE2
Jan 2017 — Feb 2017 [monthly]

Terminated PHASE2

First recorded

Feb 2009

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Biogen

Data source: Biogen

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Baltimore, United States , Beloit, United States , Beverly Hills, United States , Boston, United States , Bridgeport, United States , Chicago, United States , Cincinnati, United States , Denver, United States , Germantown, United States , Huntsville, United States and 18 more locations