Effect of Premedication on Success of Inferior Alveolar Nerve Block Injection
Model scores of the 29,894 trials active now.
Model score 8% for any early termination, 3% for termination due to slow enrollment. Past trials like this one (phase, sponsor type and disease area, started 2008–2016) ended terminated 16% of the time (1,198 trials).
Finished trial that started in 2015 or later: the model never saw it during training.
How it ended
Completed on 2016-06-30, after 2015-09-30 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 2016-06-30. 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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Accepts healthy volunteers: Yes (lowers risk) · Who can join
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Sponsor's past termination rate: 16.7% (raises risk) · Sponsor's track record
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Wording of the registration (title, summary, criteria) (lowers risk) · Wording
Phrases that raised it: painpatientsblockbreastmild
Phrases that lowered it: healthyeffect ofvolunteersthe aimaim of -
Phase: 2 (raises risk) · Design
-
Blinding: triple (raises risk) · Design
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Design: parallel (raises risk) · Design
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Sponsor type: academic or other (raises risk) · Sponsor's track record
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Has a data monitoring committee: Yes (raises risk) · Design
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Drug's FAERS reports with a death: 16.2% (lowers risk) · Drug's FDA history
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Minimum age: 18 (raises risk) · Who can join
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Disease area, cancer: No (lowers risk) · Disease area
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Sponsor's past trials: 6 (lowers risk) · Sponsor's track record
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Primary purpose: treatment (raises risk) · Design
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Drug's FAERS reports before start: 146688 (lowers risk) · Drug's FDA history
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Drug's FAERS reports marked serious: 78.1% (lowers risk) · Drug's FDA history
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Number of arms: 3 (lowers risk) · Design
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Responsible party: principal investigator (lowers risk) · Design
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Trials the sponsor started in the prior 2 years: 1 (lowers risk) · Sponsor's track record
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Collaborators: 0 (raises risk) · Design
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
- treatment
- Blinding
- triple (typical: none)
- Has a data monitoring committee
- Yes (typical: 56% yes)
- Responsible party
- principal investigator (typical: sponsor)
- Collaborators
- 0
- Keywords listed
- 4 (typical: 1)
Who can join
- Minimum age
- 18
- Maximum age
- 65 (typical: 71)
- Sex
- all
- Accepts healthy volunteers
- Yes (typical: 9% yes)
Sponsor's track record
- Sponsor type
- academic or other
- Sponsor's past trials
- 6 (typical: 32)
- Sponsor's past termination rate
- 16.7% (typical: 9.9%)
- Trials the sponsor started in the prior 2 years
- 1 (typical: 19)
Drug's FDA history
- Drugs with FDA adverse-event history
- 2 (typical: 1)
- Drug has FAERS history
- Yes (typical: 64% yes)
- Drug's FAERS reports before start
- 146688 (typical: 2148)
- Drug's FAERS reports in the prior 12 months
- 33581 (typical: 412.5)
- Drug's FAERS reports marked serious
- 78.1% (typical: 85.6%)
- Drug's FAERS reports with a death
- 16.2% (typical: 15.9%)
Disease area and drugs
- Disease areas
- none of the 14 tracked areas
- Drugs matched to FDA substances
- acetaminophen, ketorolac
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
- Efficacy of Ketorolac Buccal Infiltration on Success Rate of Inferior Alveolar Nerve Block NCT02536430 · started 2015 · scored riskier than 9% of active trials completed
- Efficacy of Block Injection of an Anti Inflammatory Medicine in Patients With Mandibular Dental Pain NCT03410212 · started 2018 · scored riskier than 12% of active trials completed
- Evaluating the Combined Effect of Oral Premedications on Inferior Alveolar Nerve Block Effectiveness NCT07146997 · started 2023 · scored riskier than 13% of active trials completed
- Effect of Addition of Mannitol to Bupivacaine on IANB Success and Post-endodontic Pain NCT03749408 · started 2012 · scored riskier than 6% of active trials completed
- Effect of Lidocaine/Dexamethasone on the Success of IANB NCT03531970 · started 2016 · scored riskier than 5% 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.