Immunogenicity and Safety of Enterovirus Type 71 Vaccine,Inactivated(Vero Cells) in Volunteers Aged From 6 to 71 Months
Model scores of the 29,894 trials active now.
Model score 2% for any early termination, 0% for termination due to slow enrollment. Past trials like this one (phase, sponsor type and disease area, started 2008–2016) ended terminated 13% of the time (1,304 trials).
Finished trial that started in 2015 or later: the model never saw it during training.
How it ended
Completed on 2022-10-24, after 2021-10-19 start.
The score above never used this outcome: finished trial that started in 2015 or later: the model never saw it during training.
Termination over time, as the model saw it at the start
Cumulative chance of ending terminated (red) or completed (green) by each year from its start; it actually ended on 2022-10-24. The rest of the way to 100% is still running.
From the competing-risks survival model (termination vs completion, still-running trials censored), fit to trials that started 2008–2014 and recalibrated to termination rates over 2022–2024, since termination has become more common. Checked on past years, it still ran a little low when the rise continued.
What moved the score
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Wording of the registration (title, summary, criteria) (lowers risk) · Wording
Phrases that raised it: patientschronicongoing orenrollmentprior
Phrases that lowered it: vaccinehealthyvaccinationvolunteersimmunogenicity -
Accepts healthy volunteers: Yes (lowers risk) · Who can join
-
Sponsor's past termination rate: 0% (lowers risk) · Sponsor's track record
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Phase: 2 (raises risk) · Design
-
Primary purpose: prevention (lowers risk) · Design
-
Blinding: quadruple (lowers risk) · Design
-
Disease area, cancer: No (lowers risk) · Disease area
-
Number of arms: 3 (lowers risk) · Design
-
Has a data monitoring committee: No (lowers risk) · Design
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Design: parallel (raises risk) · Design
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Sponsor type: industry (lowers risk) · Sponsor's track record
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Minimum age: 0.5 (lowers risk) · Who can join
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Drug's FAERS reports with a death: no FAERS history (raises risk) · Drug's FDA history
Every input that moved this score, largest first: SHAP contributions in log-odds, red raising risk and green lowering it. They describe the model, not causes of termination. Phrases are traced from the text features back to this registration's words, approximately.
The trial
Design
- Phase
- 2
- Number of arms
- 3 (typical: 2)
- Allocation
- randomized
- Design
- parallel
- Primary purpose
- prevention (typical: treatment)
- Blinding
- quadruple (typical: none)
- Has a data monitoring committee
- No (typical: 56% yes)
- Responsible party
- sponsor
- Collaborators
- 0
- Keywords listed
- 1
Who can join
- Minimum age
- 0.5 (typical: 18)
- Maximum age
- 5.92 (typical: 71)
- Sex
- all
- Accepts healthy volunteers
- Yes (typical: 9% yes)
Sponsor's track record
- Sponsor type
- industry (typical: academic or other)
- Sponsor's past trials
- 4 (typical: 32)
- Sponsor's past termination rate
- 0% (typical: 9.9%)
- Trials the sponsor started in the prior 2 years
- 4 (typical: 19)
Drug's FDA history
- Drugs with FDA adverse-event history
- 0 (typical: 1)
- Drug has FAERS history
- No (typical: 64% yes)
- Drug's FAERS reports before start
- 0 (typical: 2148)
- Drug's FAERS reports in the prior 12 months
- 0 (typical: 412.5)
- Drug's FAERS reports marked serious
- no FAERS history (typical: 85.6%)
- Drug's FAERS reports with a death
- no FAERS history (typical: 15.9%)
Disease area and drugs
- Disease areas
- none of the 14 tracked areas
- Drugs matched to FDA substances
- none matched
Typical values are among the trials active now. Sponsor and drug history are counted only up to this trial's start date.
Similar finished trials
- A Study to Evaluate the Efficacy, Immunogenicity and Safety of an EV71 Vaccine in Healthy Infants and Children NCT05099029 · started 2018 · scored riskier than 1% of active trials completed
- A Study to Evaluate the Efficacy, Safety, and Immunogenicity of an EV71 Vaccine NCT03865238 · started 2019 · scored riskier than 1% of active trials completed
- A Clinical Study for Inactivated Vaccine Against EV71 NCT02200237 · started 2014 · scored riskier than 3% of active trials completed
- Clinical Trial of Enterovirus 71（EV71） Inactivated Vaccine in Children Aged 36-71 Months NCT03909074 · started 2019 · scored riskier than 0% of active trials completed
- A Clinical Trial to Assess the Efficacy and Safety of an Inactivated Vaccine (Vero Cell) Against EV71 in Chinese Children Aged 6-35 Months NCT01508247 · started 2012 · scored riskier than 4% of active trials completed
Closest by meaning of the registration text (PubMedBERT embeddings), among finished trials. How they ended is context, not an input to this trial's score.