Bayer

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Bayer sits in the top decile of US sponsors by registered trial count (#58 of 15,742 sponsors by registered trial count).

591 total trials 21 currently recruiting 494 completed top decile by trial count

Bayer: 591 sponsored US clinical trials, 21 recruiting.

Bayer sponsors 591 registered US clinical trials on ClinicalTrials.gov, 21 of them currently recruiting, and 494 completed. 172 of these trials are in Phase 3-4 (later-stage) and 237 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Sunscreening Agents, with 17 trials.

Top-decile sponsor footprint

Bayer ranks in the top decile of sponsors by registered trial count (#58 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

D 63/100

494 of 552 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (89.5%), 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.

Open and recent trials

591 total, page 12 of 12

COMPLETED Phase 3

BAY12-8039: 5 Days for Sinusitis vs Placebo

NCT00492024

COMPLETED Phase 4

Efficacy and Safety Study in Postmenopausal Women to Determine the Lowest Effective Dose for Relief of Moderate to Severe Hot-Flushes

NCT00206622

COMPLETED Phase 3

Study to Compare the Tolerability and Efficacy of Once Daily Vardenafil vs Vardenafil PRN vs Placebo in Men Immediately After Nerve-sparing Prostatectomy for Improving ED

NCT00492635

COMPLETED Phase 2

Once-daily Oral Direct Factor Xa Inhibitor BAY59-7939 in Patients With Acute Symptomatic Deep-vein Thrombosis

NCT00395772

COMPLETED Phase 3

Intermittent Moxifloxacin Therapy For The Prevention Of Acute Exacerbations In Patients With Chronic Bronchitis

NCT00473460

COMPLETED Phase 4

Investigate the Responsiveness of the Erectile Quality Scale to Vardenafil Flexible Dose vs Placebo in Males With Erectile Dysfunction (ED)

NCT00665340

COMPLETED Phase 4

Trial to Evaluate Time to Symptom Relief and Elimination of Infecting Bacteria in Treating Sinusitis With Avelox

NCT00668304

COMPLETED Phase 4

Study To Evaluate The Efficacy And Safety Of Ciprofloxacin Extended-Release (Cipro® XR) 1000 mg Tablets Given Once Daily For 7 To 14 Days In The Treatment Of Patients 18 Years Or Older With Complicated Urinary Tract Infections Caused By Pseudomonas Aeruginosa And Other Common Uropathogens

NCT00481689

COMPLETED Phase 2

BAY43-9006 - Phase II Study in Non-Small Cell Lung Carcinoma (NSCLC)

NCT00101413

COMPLETED Phase 3

BAYQ3939, 1000 mg Tablet in Transrectal Needle Biopsies of the Prostate (TRNBP) - Infection Prophylaxis

NCT00670215

COMPLETED Phase 2

An Oral, Direct Factor Xa Inhibitor, BAY59-7939, for Prophylaxis Against Venous Thromboembolism After Total Knee Replacement: a Dose-Ranging Study

NCT00402467

COMPLETED Phase 2

Open Label Phase II Study of BAY 43-9006 in Chronic Myelogenous Leukemia (CML) Patients Resistant to Gleevec

NCT00661180

COMPLETED Phase 1

Cardiovascular Safety Study of Magnevist® Injection at Two Dose Levels and Two Injection Rates in Normal Subjects

NCT00310596

COMPLETED Phase 3

Study of BAY43-9006 in Patients With Unresectable and/or Metastatic Renal Cell Cancer

NCT00073307

COMPLETED Phase 3

BEYOND: Betaferon/Betaseron Efficacy Yielding Outcomes of a New Dose in Multiple Sclerosis (MS) Patients

NCT00099502

COMPLETED Phase 3

Study to Investigate the Efficacy and Safety of Vardenafil Flexible Dose Versus Placebo in Males With Erectile Dysfunction

NCT00657033

COMPLETED Phase 4

Trial to Evaluate the Efficacy and Safety of Cipro® XR in Treating Female Patients With Lower Urinary Tract Infections

NCT00669994

COMPLETED Phase 2

Fludarabine Combined With Either Alemtuzumab or Rituximab in Treating Patients With Refractory or Relapsed B-Cell Chronic Lymphocytic Leukemia

NCT00086775

COMPLETED Phase 2

Extension of Prior Study Evaluating Safety and Tolerability of Two Doses of Betaseron® to Treat Relapsing-remitting Multiple Sclerosis

NCT00235989

COMPLETED Phase 3

A Study to Investigate the Time to Onset of Action of 10 mg and 20 mg of Vardenafil Compared to Placebo in Males With Erectile Dysfunction

NCT00665496

COMPLETED Phase 4

Cipro® XR in Therapeutic Response and Activity (eXtRa) - Assessing Symptom Relief in Urinary Tract Infections

NCT00676533

COMPLETED Phase 4

An Efficacy and Safety Comparison Study of Two Marketed Drugs in Patients With Relapsing-remitting MS

NCT00206648

TERMINATED Phase 2

STEPS Trial - Spheramine Safety and Efficacy Study

NCT00206687

COMPLETED Phase 3

Evaluate Safety and Efficacy of an OC Preparation vs Placebo for 6 Treatment Cycles in Women With Moderate Acne.

NCT00651469

COMPLETED Phase 3

Evaluate Safety and Efficacy of an Oral Contraceptive (OC) Preparation Versus Placebo for 6 Treatment Cycles in Women With Moderate Acne

NCT00656981

COMPLETED Phase 2

Extension Program for Bay 43-9006

NCT00657254

COMPLETED Phase 1

Safety and Efficacy of BAY 50-4798 in Patients With HIV Infection

NCT00059462

COMPLETED Phase 3

Depression Related Improvement With Vardenafil for Erectile Response

NCT00661219

COMPLETED Phase 2

BEYOND Pilot Study

NCT00893217

COMPLETED Phase 4

Avelox for Treatment of Elderly Patients With Community Acquired Pneumonia

NCT00665327

COMPLETED Phase 2

Study of Nexavar (Sorafenib, BAY 43-9006) in Patients With Advanced Refractory Cancer

NCT00079612

COMPLETED Phase 2

A Study to Estimate Safety and Efficacy of Sorafenib (BAY43-9006) in the Treatment of Hepatocellular Carcinoma

NCT00044512

COMPLETED Phase 1

Study to Determine the Safety, Maximum Tolerated Dose, Pharmacokinetics of Sorafenib (BAY43-9006)

NCT00941863

COMPLETED Phase 2

Evaluation of Bay 59-8862 in Patients With Aggressive, Refractory Non-Hodgkin's Lymphoma

NCT00044551

COMPLETED Phase 2

Evaluation of Bay 59-8862 in Patients With Advanced Renal Cell Carcinoma

NCT00044564

COMPLETED Phase 2

Evaluation of BAY 59-8862 in Taxane Resistant Non-Small Cell Lung Cancer Patients

NCT00044538

COMPLETED

Risk of Acute Liver Injury in Users of Antimicrobials

NCT01434173

COMPLETED Phase 2

Repinotan in Patients With Acute Ischemic Stroke

NCT00044915

TERMINATED Phase 2

Pilot Study of Safety and Efficacy of Spheramine

NCT00761436

COMPLETED Phase 3

BAY 0 9867 Cipro Pediatric Use Study (QUIP)

NCT00761462

COMPLETED Phase 3

Phase III Randomized Double-Blind Placebo Controlled Study To Evaluate the Safety and Efficacy of Betaseron in AIDS and Advanced ARC Patients Receiving a Reduced-Dose AZT Regimen

NCT00002238

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What is open in the Bayer pipeline

21 recruiting of 591 indexed (4% open); 494 completed (84%).

Phase mix: 172 late (III/IV) vs 237 early (I/II) (balanced across stages).

Top condition: Sunscreening Agents (17 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Bayer: open-pipeline peers nationwide

Peers matched on 591 registered trials and 4% open enrollment, not the therapeutic-area sidebar.

Bayer 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 0200400600800 0%10%20%30% Total trials Recruiting share BayerJanssen Research & DevelopmentCity of Hope Medical CenterChildren's Hospital Medical Center, CincinnatiNational Institute of Neurological Disorders and Stroke (NINDS)Bausch Health AmericasHarvard Pilgrim Health CareSumitomo Pharma AmericaTeva Branded Pharmaceutical Products R&D
Bayer 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).

Bayer 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 591 trials (± recruiting share)

Sponsors near 4% open enrollment (± trial volume)

What to do with this Bayer page

591 registered trials is a research-attention snapshot, not an endorsement of Bayer or any single study.

  • 21 of Bayer's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Sunscreening Agents is the condition Bayer studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Sunscreening Agents 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.

Bayer pipeline card: 591 registered trials from official public datasets.Report a data error.