Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at trial entry
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at trial entry" is correct and usable in written English.
It can be used in legal contexts to refer to the point in time when a case is officially entered into the court system for trial. Example: "The judge will review the evidence presented at trial entry to determine the next steps in the case."
✓ Grammatically correct
Science
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
All patients had evidence of progressive disease at trial entry.
Science
All patients had radiological evidence of progression at trial entry.
Science
No women were taking venlafaxine or clonidine at trial entry.
Science
Concomitant illnesses and medication will be recorded at trial entry.
Other immunosuppressive drugs were discontinued at trial entry.
Science
In the UK, sample selection will be based on geographic location at trial entry.
Science
Baseline characteristics were compared, to assess comparability of the treatment groups at trial entry.
Science
Analyses were based on the groups to which the women had been allocated at trial entry.
Eighteen (31%) patients had active (untreated, or previously treated but progressive) BM at trial entry.
Science
Correlations with body weight, age, and clinical severity at trial entry were not significant.
Science
Women in both arms of the study had similar characteristics at trial entry (Table 1).
Science
Expert writing Tips
Best practice
When using "at trial entry", ensure clarity by specifying what data or conditions were present at that specific time. This avoids ambiguity and strengthens the context of your statement.
Common error
Avoid assuming that "at trial entry" implies conditions remain static. Clearly indicate if you are referring to baseline characteristics only, as conditions may evolve during the trial.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at trial entry" functions as a prepositional phrase modifying a verb or noun. It specifies the temporal context of an action or characteristic within the framework of a clinical trial or study. Ludwig AI confirms its correct usage.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "at trial entry" is a grammatically sound and frequently used prepositional phrase in scientific and medical writing. As Ludwig AI confirms, it's employed to specify the timing of data collection or assessments within a trial or study. The phrase's primary function is to provide temporal context, with a clear focus on conditions present when a subject or case is initially included in a research study. Its register is formal, aligning with academic and scientific contexts. While "at trial entry" is very common in these fields, ensure to specify the context to avoid any ambiguity. Alternatives like "upon study enrollment" or "on commencement of the trial" can be used for stylistic variation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the beginning of the trial
Specifies the initial phase of the trial, highlighting the start point.
on commencement of the trial
Uses a more formal term, "commencement", to emphasize the official start.
upon study enrollment
Focuses on the moment of formal inclusion in a research study, rather than a general trial.
at baseline assessment
Emphasizes the initial evaluation or measurement taken at the start.
at the point of randomization
Highlights the moment when participants are assigned to different groups in a randomized trial.
at study initiation
Focuses on the commencement of the entire study, not just the trial phase.
at the time of admission to the study
This option is more verbose but emphasizes the act of being formally admitted.
initial trial stage
This emphasizes the phase of the study more than a specific moment in time.
when the trial began
This is simpler and more direct, focusing on the start date.
at patient registration
Focuses on the administrative process of registering patients for the trial.
FAQs
How can I rephrase "at trial entry" to sound more formal?
You can use more formal alternatives such as "upon study enrollment", "on commencement of the trial", or "at study initiation" depending on the specific context.
What information is typically recorded "at trial entry"?
Typically, baseline data, eligibility information, patient characteristics, and any pre-existing conditions are recorded "at trial entry" to establish a reference point for the study.
Is "at trial entry" interchangeable with "at the beginning of the trial"?
While similar, "at trial entry" often refers to the specific moment a participant is enrolled and assessed, whereas "at the beginning of the trial" can encompass the initial phase and setup of the entire study.
Why is it important to document conditions "at trial entry"?
Documenting conditions "at trial entry" helps establish a baseline for comparison, allows for the identification of confounding variables, and ensures the comparability of treatment groups.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested