Autopsy report · NCT04009850

Impact of Cigarette and E-cigarette Flavors on Adult Smoking Behavior

“Study enrollment was temporarily paused in 2020 due to COVID-19. Study was closed without further enrollment in 2022.”

The sponsor’s own words in the registry.

Life of this trial

• Ran for about 2 years 7 months before it stopped.
• 3 participants enrolled.
• Results were posted on the registry 4 months after it ended.

Vital statistics

Status

Terminated

Phase

Na

Sponsor

Yale University

Sponsor type

University, hospital or other

Conditions

Tobacco Use

Interventions

Cigarette Brand Switching; E-cigarette Flavor

Participants

3

Sites

1

Countries

United States

Trials that died the same way

• Emory Latino Diabetes Education Program
  “Enrollment and study activities were suspended in March 2020 due to the COVID-19 pandemic and re-opening the study was delayed pending additional funding. The study was ultimately terminated in January of 2026 due to lack of funding.” (85% match in meaning)
• Intranasal Insulin for the Treatment of HAND
  “On 3/15/2020 study visits were suspended due to COVID-19 pandemic. With safety concerns surrounding COVID-19 and difficulty recruiting, the investigators decided to close enrollment 10/16/2020 after interim data were reviewed by the DSMB and NIH.” (81% match in meaning)
• Zambia Common Elements Treatment Approach Pilot Study
  “COVID-19 precluded the study team from being able to complete all follow-up assessments.The study was halted on March 17, 2020 and did not resume.” (78% match in meaning)
• PALS for Nutrition Education
  “COVID-19 paused study temporarily due to no clinical encounters” (77% match in meaning)
• rTMS Brain Stimulation and Cognition
  “Recruitment and enrollment were suspended due to COVID-19 and ultimately the study was withdrawn due trained personnel moving on to new projects.” (77% 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.