Autopsy report · NCT01308515

Vanguard Knee Anterior Stabilized Versus Posterior Stabilized Bearing Study

“Could not find interested researchers/clinicians to complete study protocol.”

The sponsor’s own words in the registry.

Life of this trial

• Withdrawn before it enrolled anyone. Its dates are the sponsor's plans, not events that happened.

Vital statistics

Status

Withdrawn

Phase

Na

Sponsor

Zimmer Biomet

Sponsor type

Industry

Conditions

Osteoarthritis; Degenerative Arthritis

Interventions

Vanguard Knee System with AS Bearing; Vanguard Knee System with PS Bearing

Participants

0

Trials that died the same way

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  “We could not find patients who agreed to enrolled this clinical study.” (74% match in meaning)
• Sensory Responses to Dorsal Root Stimulation
  “No participant/patient opportunities for testing. Received funding for a different study.” (71% match in meaning)
• Cannabinoids in Bipolar Affective Disorder
  “study was never started and no patients were ever enrolled” (68% match in meaning)
• A Comparison of Gastric pH Control With High Dose Intravenous or Oral Esomeprazole
  “No suitable patients and many patients refused the study” (67% match in meaning)
• Physical Exercise for Augmenting Cognitive Health (PEACH)
  “The study protocol was not feasible. We made several modifications but halted the study prematurely before we met our target sample size goal.” (66% match in meaning)

Look deeper

• The official registry record (the source of truth)
• Record history: every change the sponsor made
• Open it in the database

Everything here comes from the current ClinicalTrials.gov record. The timeline uses the record’s dates; dates marked planned are the sponsor’s plans. The cause of death is an automatic, unverified label. This is research information, not medical advice.