Sunesis Pharmaceuticals

Closed portfolio with an early-phase archive tilt

According to ClinicalTrials.gov-derived indexes, Sunesis Pharmaceuticals sits in the top decile of US sponsors by registered trial count (#1,049 of 15,742 sponsors by registered trial count).

13 total trials none currently recruiting 12 completed early-phase tilt top decile by trial count

Sunesis Pharmaceuticals: 13 sponsored US clinical trials, none currently recruiting.

Sunesis Pharmaceuticals sponsors 13 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 12 completed. 1 of these trials are in Phase 3-4 (later-stage) and 12 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Acute Myeloid Leukemia, with 2 trials.

Top-decile sponsor footprint

Sunesis Pharmaceuticals ranks in the top decile of sponsors by registered trial count (#1,049 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

C 71/100

12 of 13 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (92.3%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Indexed trials (enrollment closed)

13 total, page 1 of 1

TERMINATED Phase 1

Safety, PK, PD, and Antitumor Activity of Vecabrutinib (SNS-062) in B Lymphoid Cancers

NCT03037645

COMPLETED Phase 3

Study of Vosaroxin or Placebo in Combination With Cytarabine in Patients With First Relapsed or Refractory AML

NCT01191801

COMPLETED Phase 2

Study of Voreloxin (Vosaroxin) in Older Patients With Untreated Acute Myeloid Leukemia

NCT00607997

COMPLETED Phase 1

Safety and Tolerability Study of Voreloxin and Cytarabine Combination in Acute Myeloid Leukemia in Humans

NCT00541866

COMPLETED Phase 1

Safety and Tolerability Study of SNS-314 for Advanced Solid Tumors

NCT00519662

COMPLETED Phase 1

Study of Intravenously Administered SNS-032 in Patients With Advanced B-lymphoid Malignancies

NCT00446342

COMPLETED Phase 2

Safety and Efficacy Clinical Study of SNS-595 in Patients With Platinum-Resistant Ovarian Cancer

NCT00408603

COMPLETED Phase 2

Safety and Efficacy Clinical Study of SNS-595 in Patients With Advanced Small Cell Lung Cancer

NCT00298896

COMPLETED Phase 1

Safety Assessment of One-hour Infusions of SNS-032 for the Treatment of Select Advanced Solid Tumors

NCT00292864

COMPLETED Phase 2

Safety and Efficacy Clinical Study of SNS-595 for Second-Line Therapy in Patients With Advanced NSCLC

NCT00252382

COMPLETED Phase 1

Safety Assessment of Two Schedules of Intravenous Infusions of SNS-595 for the Treatment of Hematologic Malignancies

NCT00246662

COMPLETED Phase 1

Safety Assessment of Weekly Intravenous Infusions of SNS-595 for the Treatment of Solid Tumors

NCT00094159

COMPLETED Phase 1

Initial Safety Assessment of SNS-595 for the Treatment of Solid Tumors.

NCT00091585

How the Sunesis Pharmaceuticals early-phase archive is shaped

13 indexed studies, none listed as recruiting (0% open); 12 completed (92%).

Phase mix: 1 late (III/IV) vs 12 early (I/II) (early-phase heavy).

Top condition: Acute Myeloid Leukemia (2 trials), 7 others listed.

How to read a closed sponsor archive

When recruiting_count is zero, the indexed set is completed or otherwise not open. Phase tilt still describes where archived studies sat on the investigational pathway. Re-check ClinicalTrials.gov before acting.

Sunesis Pharmaceuticals: archived-pipeline peers nationwide

Peers matched on 13 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Sunesis Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 051015 0%2%4%6%8%10% Total trials Recruiting share Sunesis PharmaceuticalsAdaptimmuneAgennixAkili Interactive LabsAlumis10xBio22nd Century Group23andMe3-C Institute for Social Development
Sunesis Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Sunesis Pharmaceuticals sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 13 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Sunesis Pharmaceuticals page

13 registered trials is a research-attention snapshot, not an endorsement of Sunesis Pharmaceuticals or any single study.

  • None of Sunesis Pharmaceuticals's trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Acute Myeloid Leukemia is the condition Sunesis Pharmaceuticals studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Acute Myeloid Leukemia trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. Sunesis Pharmaceuticals pipeline card: 13 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.