From b83e15200eac981eb7f5efd0ce9482f6834e13d3 Mon Sep 17 00:00:00 2001 From: will king Date: Tue, 19 Nov 2024 11:02:00 -0800 Subject: [PATCH] adding current work --- Latex/Paper/outline3.txt | 3 ++- Latex/Paper/sections/10_CausalStory.tex | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/Latex/Paper/outline3.txt b/Latex/Paper/outline3.txt index 933b54c..08a4d4f 100644 --- a/Latex/Paper/outline3.txt +++ b/Latex/Paper/outline3.txt @@ -5,9 +5,9 @@ How do I begin work on stuff - we can't trust what we are told - terminations could be due to safety, strategic, or operational concerns. - explaining confounding between + - population/market and enrollment. -population/market and market conditions. - market conditions and enrollment. - - population/market and enrollment. - describe other confounders - safety and effectiveness - duration <--> enrollment/termination @@ -17,6 +17,7 @@ How do I begin work on stuff - Introduce Do-Calculus - DAG model - What do I need to control for, in some form or other? + CURRENTLY HERE: - Introduce Data - Clinical Trial Progression - AACT gives us information on diff --git a/Latex/Paper/sections/10_CausalStory.tex b/Latex/Paper/sections/10_CausalStory.tex index 85e8bab..f3aa6aa 100644 --- a/Latex/Paper/sections/10_CausalStory.tex +++ b/Latex/Paper/sections/10_CausalStory.tex @@ -244,21 +244,35 @@ A quick summary of the nodes of the DAG and their impact: $\rightarrow$ \texttt{Enrollment Status}: This confounds the estimation of the effect of + \texttt{Enrollment} on \texttt{Will Terminate?}, and + so \texttt{Market Measures} is part of the adjustment set. \item \texttt{Market Measures} $\rightarrow$ \texttt{Decision to proceed with Phase III}: The alternative treatments on the market will affect a sponsors' decision to move forward with a Phase III trial. + This is controlled for by only working with trials that + successfully begin recruitment for a Phase III Trial. \item \texttt{Elapsed Duration} $\rightarrow$ \texttt{Will Terminate?}: + The amount of time past helps drive the decision to continue + or terminate. \item \texttt{Enrollment Status} $\leftrightarrow$ \texttt{Elapsed Duration}: % This is jointly determined. and the weakest part of the causal identification without an accurate model of enrollment. + This is one of the weakest parts of the causal inference. + Without a well defined model of enrollment, we can't separate + the interaction between the enrollment status and the elapsed + duration. + For example, if enrollment is running slower than expected, + the trial may be terminated due to concerns that it will not + achive the primary objectives or that costs will exceed + the budget allocated to the project. \item \texttt{Decision to Proceed with Phase III} $\rightarrow$