Autopsy report · NCT00785135

Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria

“Unable to recruit - multiple reasons.- inclusion/exclusion criteria too strict was th emain reason.”

The sponsor’s own words in the registry.

Life of this trial

• Ran for about 7 years before it stopped.
• 13 participants enrolled.
• No results are posted on the registry.

Vital statistics

Status

Terminated

Phase

Na

Sponsor

Vision Specialists of Birmingham

Sponsor type

University, hospital or other

Conditions

Binocular Dysfunction; Vertical Heterophoria; Vision, Binocular; Vision Disparity

Interventions

Lenses containing prismatic correction; Lenses not containing prismatic correction

Participants

13

Sites

1

Countries

United States

Trials that died the same way

• Blinded, Randomized Study of Gabapentin (Neurontin®) and Gabapentin Enacarbil (Horizant™) in Restless Leg Syndrome
  “Recruitment unsuccessful due to overly restrictive inclusion/exclusion criteria.” (79% match in meaning)
• Pharmacokinetics of Adalimumab With Methotrexate for Treatment of Patients With Ulcerative Colitis (UC)
  “Unable to achieve recruitment target.” (78% match in meaning)
• Initial Versus Delayed Operation for Treatment of Complicated Appendicitis In Children
  “Unable to adequatly recruit” (78% match in meaning)
• Fluorescence Targeted Pelvic Lymph Node Mapping
  “Not able to recruit” (76% match in meaning)
• Early Administration of the Lutein/Zeaxanthin in Premature Newborns
  “Recruitment was not possible” (76% 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.