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A Study of AMG 355 Alone and in Combination With Pembrolizumab in Participants With Advanced Solid Tumors

NCT06131398 on ClinicalTrials.gov Phase 1 Amgen (industry) Started 2024-03-07 Completed
Riskier than 28% of active trials
this trial: 13% 0% 36%

Model scores of the 29,894 trials active now.

Model score 13% for any early termination, 2% 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 (1,938 trials).

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

How it ended

Completed on 2026-07-22, after 2024-03-07 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

0% 12% 24% 36% 47% 0123456 yr completed 41% terminated 15%

Cumulative chance of ending terminated (red) or completed (green) by each year from its start; it actually ended on 2026-07-22. 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
1 (typical: 2)
Number of arms
2
Allocation
non randomized (typical: randomized)
Design
sequential (typical: parallel)
Primary purpose
basic science (typical: treatment)
Blinding
none
Has a data monitoring committee
No (typical: 56% yes)
Responsible party
sponsor
Collaborators
0
Keywords listed
8 (typical: 1)

Who can join

Minimum age
18
Maximum age
100 (typical: 71)
Sex
all
Accepts healthy volunteers
No (typical: 9% yes)

Sponsor's track record

Sponsor type
industry (typical: academic or other)
Sponsor's past trials
698 (typical: 32)
Sponsor's past termination rate
13.2% (typical: 9.9%)
Trials the sponsor started in the prior 2 years
57 (typical: 19)

Drug's FDA history

Drugs with FDA adverse-event history
1
Drug has FAERS history
Yes (typical: 64% yes)
Drug's FAERS reports before start
66366 (typical: 2148)
Drug's FAERS reports in the prior 12 months
16243 (typical: 412.5)
Drug's FAERS reports marked serious
85.7% (typical: 85.6%)
Drug's FAERS reports with a death
19.8% (typical: 15.9%)

Disease area and drugs

Disease areas
cancer, respiratory, digestive, dermatology
Drugs matched to FDA substances
pembrolizumab

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.