Vion Pharmaceuticals

Closed portfolio with an early-phase archive tilt

According to ClinicalTrials.gov-derived indexes, Vion Pharmaceuticals sits in the top decile of US sponsors by registered trial count (#772 of 15,742 sponsors by registered trial count).

19 total trials none currently recruiting 19 completed early-phase tilt top decile by trial count

Vion Pharmaceuticals: 19 sponsored US clinical trials, none currently recruiting.

Vion Pharmaceuticals sponsors 19 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 19 completed. 1 of these trials are in Phase 3-4 (later-stage) and 18 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Unspecified Adult Solid Tumor, Protocol Specific, with 2 trials.

Top-decile sponsor footprint

Vion Pharmaceuticals ranks in the top decile of sponsors by registered trial count (#772 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

A 90/100

19 of 19 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (100.0%), 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)

19 total, page 1 of 1

COMPLETED Phase 2

VNP40101M in Treating Patients With Acute Myelogenous Leukemia or High-Risk Myelodysplasia

NCT00083187

COMPLETED Phase 2

VNP40101M in Treating Patients With Relapsed or Refractory Locally Advanced or Metastatic Small Cell Lung Cancer

NCT00282022

COMPLETED Phase 1

VNP40101M in Treating Patients With Richter Syndrome or Refractory or Relapsed Chronic Lymphocytic Leukemia or Other Lymphoproliferative Disorders

NCT00304005

COMPLETED Phase 3

Cytarabine With or Without VNP40101M in Treating Patients With Relapsed Acute Myeloid Leukemia

NCT00112554

COMPLETED Phase 1

Temozolomide and VNP40101M in Treating Patients With Relapsed or Refractory Leukemias

NCT00098436

COMPLETED Phase 1

VNP40101M and Cytarabine in Treating Patients With Hematologic Malignancies

NCT00070538

COMPLETED Phase 1

3-AP and Cytarabine in Treating Patients With Hematologic Cancer

NCT00064090

COMPLETED Phase 2

3-AP and Gemcitabine in Treating Patients With Unresectable or Metastatic Pancreatic Cancer

NCT00064051

COMPLETED Phase 2

3-AP and Gemcitabine in Treating Patients With Metastatic Non-Small Cell Lung Cancer

NCT00064064

COMPLETED Phase 2

3-AP in Treating Patients With Advanced Prostate Cancer

NCT00054015

COMPLETED Phase 1

VNP40101M in Treating Patients With Advanced or Metastatic Cancer

NCT00049699

COMPLETED Phase 1

VNP40101M in Treating Patients With Relapsed or Refractory Leukemia or Myelodysplastic Syndrome

NCT00049686

COMPLETED Phase 1

Combination Chemotherapy in Treating Patients With Advanced Cancer

NCT00024323

COMPLETED Phase 1

VNP40101M in Treating Patients With Advanced Solid Tumors or Lymphomas

NCT00025129

COMPLETED Phase 1

3-AP Plus Cisplatin and Paclitaxel in Treating Patients With Advanced or Metastatic Cancer

NCT00016874

COMPLETED Phase 1

VNP20009 in Treating Patients With Advanced Solid Tumors

NCT00006254

COMPLETED Phase 1

3-AP in Treating Patients With Advanced Cancer

NCT00006218

COMPLETED Phase 1

VNP20009 in Treating Patients With Advanced or Metastatic Solid Tumors That Have Not Responded to Previous Therapy

NCT00004216

COMPLETED Phase 1

3-Aminopyridine-2-carboxaldehyde Thiosemicarbazone in Treating Patients With Solid Tumors

NCT00004213

Phase Distribution

PhaseTrial count
Phase 1 13
Phase 2 5
Phase 3 1

How the Vion Pharmaceuticals early-phase archive is shaped

19 indexed studies, none listed as recruiting (0% open); 19 completed (100%).

Phase mix: 1 late (III/IV) vs 18 early (I/II) (early-phase heavy).

Top condition: Unspecified Adult Solid Tumor, Protocol Specific (2 trials), 4 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.

Vion Pharmaceuticals: archived-pipeline peers nationwide

Peers matched on 19 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Vion 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 05101520 0%5%10%15% Total trials Recruiting share Vion PharmaceuticalsAlmirall, S.A.Bastyr UniversityChurch & Dwight CompanyCordis US10xBio22nd Century Group23andMe3-C Institute for Social Development
Vion 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).

Vion 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 19 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Vion Pharmaceuticals page

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

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. Vion Pharmaceuticals pipeline card: 19 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.