A Study of an Investigational Drug, ALN-AAT, in Healthy Adult Subjects and Patients With ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease
Model scores of the 29,894 trials active now.
Model score 7% 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 6% of the time (355 trials).
Finished trial that started in 2015 or later: the model never saw it during training.
How it ended
Terminated on 2018-01-03, after 2015-07-09 start.
Reason given by the sponsor: “other”
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 2018-01-03. 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
-
Sponsor's past termination rate: 0% (lowers risk) · Sponsor's track record
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Wording of the registration (title, summary, criteria) (raises risk) · Wording
Phrases that raised it: safety tolerabilitytolerability pharmacokineticsand pharmacodynamicsmultipleascending
Phrases that lowered it: healthytypepatientssingleclinical -
Phase: 1 (lowers risk) · Design
-
Design: parallel (raises risk) · Design
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Has a data monitoring committee: No (lowers risk) · Design
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Drug's FAERS reports with a death: no FAERS history (raises risk) · Drug's FDA history
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Primary purpose: treatment (raises risk) · Design
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Sponsor type: industry (lowers risk) · Sponsor's track record
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Minimum age: 18 (raises risk) · Who can join
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Sponsor's past trials: 12 (lowers risk) · Sponsor's track record
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Disease area, cancer: No (lowers risk) · Disease area
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Drug's FAERS reports marked serious: no FAERS history (raises risk) · Drug's FDA history
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Number of arms: 2 (raises risk) · Design
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Trials the sponsor started in the prior 2 years: 9 (lowers risk) · Sponsor's track record
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
- 1 (typical: 2)
- Number of arms
- 2
- Allocation
- randomized
- Design
- parallel
- Primary purpose
- treatment
- Blinding
- single (typical: none)
- Has a data monitoring committee
- No (typical: 56% yes)
- Responsible party
- sponsor
- Collaborators
- 0
- Keywords listed
- 3 (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
- industry (typical: academic or other)
- Sponsor's past trials
- 12 (typical: 32)
- Sponsor's past termination rate
- 0% (typical: 9.9%)
- Trials the sponsor started in the prior 2 years
- 9 (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
- respiratory, digestive
- 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 of ALN-AAT02 in Healthy Participants and Participants With ZZ Type Alpha-1 Antitrypsin Deficiency Liver Disease NCT03767829 · started 2018 · scored riskier than 8% of active trials terminated
- Study of Fazirsiran (TAK-999, ARO-AAT) in Patients With Alpha-1 Antitrypsin Deficiency Associated Liver Disease (AATD) NCT03946449 · started 2019 · scored riskier than 45% of active trials completed
- Study of ARO-AAT in Normal Adult Volunteers NCT03362242 · started 2018 · scored riskier than 15% of active trials completed
- Safety and Tolerability, Pharmacokinetic, and Pharmacodynamic Study of ALXN1910 in Healthy Participants NCT05307978 · started 2022 · scored riskier than 7% of active trials completed
- Safety and Tolerability, Pharmacokinetic, and Pharmacodynamic Study of ALXN1920 in Healthy Participants NCT05751642 · started 2023 · scored riskier than 6% 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.