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Study of the Molecular Features of Postmenopausal Women With HR+ HER2-negative aBC on First-line Treatment With Ribociclib and Letrozole and, in Patients With a PIK3CA Mutation, on Second-line Treatment With Alpelisib Plus Fulvestrant

NCT03439046 on ClinicalTrials.gov Phase 3 Novartis Pharmaceuticals (industry) Started 2018-02-02 Terminated
Riskier than 41% of active trials
this trial: 15% 0% 36%

Model scores of the 29,894 trials active now.

Model score 15% 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 (927 trials).

Finished trial that started in 2015 or later: the model never saw it during training.

How it ended

Terminated on 2023-12-11, after 2018-02-02 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

0% 8% 17% 25% 34% 0123456 yr completed 29% terminated 16%

Cumulative chance of ending terminated (red) or completed (green) by each year from its start; it actually ended on 2023-12-11. 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

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
3 (typical: 2)
Number of arms
2
Allocation
not applicable (typical: randomized)
Design
sequential (typical: parallel)
Primary purpose
treatment
Blinding
none
Has a data monitoring committee
No (typical: 56% yes)
Responsible party
sponsor
Collaborators
0
Keywords listed
20 (typical: 1)

Who can join

Minimum age
18
Maximum age
not given (typical: 71)
Sex
female (typical: all)
Accepts healthy volunteers
No (typical: 9% yes)

Sponsor's track record

Sponsor type
industry (typical: academic or other)
Sponsor's past trials
1081 (typical: 32)
Sponsor's past termination rate
14.8% (typical: 9.9%)
Trials the sponsor started in the prior 2 years
177 (typical: 19)

Drug's FDA history

Drugs with FDA adverse-event history
4 (typical: 1)
Drug has FAERS history
Yes (typical: 64% yes)
Drug's FAERS reports before start
24865 (typical: 2148)
Drug's FAERS reports in the prior 12 months
6748 (typical: 412.5)
Drug's FAERS reports marked serious
73.6% (typical: 85.6%)
Drug's FAERS reports with a death
10.2% (typical: 15.9%)

Disease area and drugs

Disease areas
cancer, neurology, dermatology
Drugs matched to FDA substances
alpelisib, fulvestrant, letrozole, ribociclib

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

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.