Weberpals (2021)

Advanced non-small cell lung cancer

Oncology • Ehr Data • US

Study Metrics
Covariates 441
PICO Comparisons 1
Quality Indicators
Transparency High
DAG Usage No
QBA Performed No

Study Information

First Author: Weberpals
Publication Year: 2021
DOI: https://doi.org/10.1097/ede.0000000000001338
Preprint: No preprint

Institution & Funding

Institutions: Roche Innovation Center Munich (industry), xValue GmbH (industry), F. Hoffmann-La Roche Ltd (industry), German Research Center for Environmental Health - Helmholtz Center Munich (academia), Technical University of Munich (academia)
Funding: Delcared: Private
Funding Institutions: This work was funded by Roche as part of the main authors (J.W.) postdoctoral fellowship program (RPF-ID: 498).

Study Context

Disease: Advanced non-small cell lung cancer
Disease Category: Oncology
Data Type: Electronic Health Records
Number of Data Sources: 1
Geography: US
Eligible Sample: 781.0
Number of Treatments: 2

Analytical Methods

Missing Data Method: Median imputation and assigning a missing-indicator category
Matching Method: 1:1 PS matching
Analysis Method: Cox PH

Quality Methods

Directed Acyclic Graph (DAG) Not Used
Quantitative Bias Analysis (QBA) Not Performed

Target Trial Information

Target Trial Name: PRONOUNCE
Registration Number: NCT00948675
Target Trial DOI: https://doi.org/10.1097/jto.0000000000000366

TTE vs RCT Comparisons

Detailed comparison between Target Trial Emulation results and corresponding Randomized Controlled Trial outcomes.

Overall survival
PRONOUNCE
HR Efficacy
Population

patients with advanced nonsquamous non-small-cell lung cancer

Intervention

carboplatin/pemetrexed followed by pemetrexed maintenance

Comparison

bevacizumab/carboplatin/paclitaxel followed by bevacizumab maintenance

Outcome

Overall survival

RCT Result

1.07

95% CI: [0.83, 1.36]


vs
TTE Result

1.09

95% CI: [0.87, 1.37]

Concordance Assessment
Confidence Interval Overlap: Yes
CIs overlap, suggesting concordance
Direction Agreement: Same Direction
Both point to similar conclusion

Transparency Indicators

Protocol Registration Available
Data Sharing Not Available
Code Sharing Available
Overall Transparency Score:
High Transparency - This study meets good transparency standards.

Conflicts & Funding

Conflicts of Interest: Declared: Financial
COI Institutions: Roche, xValue, Roche Diagnostics GmbH, Cellarity Inc.
Funding Source: Delcared: Private
Funding Institutions: This work was funded by Roche as part of the main authors (J.W.) postdoctoral fellowship program (RPF-ID: 498).