Evidence map›Paper›PMID 33093778›Full record

Observational studySarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG2020

A real-world study of the dosing and tolerability of pirfenidone and its effect on survival in idiopathic pulmonary fibrosis.

Sahajal Dhooria, Ritesh Agarwal, Inderpaul Singh Sehgal, Kuruswamy Thurai Prasad, Valliappan Muth, Mandeep Garg, Amanjit Bal, Ashutosh Nath Aggarwal, Digambar Behera

Abstract readComparative StudyObservational Study
In one paragraph

Observational study in Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

  1. Acute exacerbation in fibrotic interstitial lung disease: an international working group report.American journal of respiratory and critical care medicine · 2026
    Review
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  12. Protective effect ofBioscience of microbiota, food and health · 2023
    Article
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  16. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Sahajal DhooriaDepartment of Pulmonary Medicine.
Ritesh AgarwalDepartment of Pulmonary Medicine.
Inderpaul Singh SehgalDepartment of Pulmonary Medicine.
Kuruswamy Thurai PrasadDepartment of Pulmonary Medicine.
Valliappan MuthDepartment of Pulmonary Medicine.
Mandeep GargDepartment of Radiodiagnosis and Imaging.
Amanjit BalDepartment of Histopathology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.
Ashutosh Nath AggarwalDepartment of Pulmonary Medicine.
Digambar BeheraDepartment of Pulmonary Medicine.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPatients with idiopathic pulmonary fibrosis (IPF) often do not tolerate pirfenidone in the recommended dose of 2400 mg/day. The proportion of patients requiring dose reduction and its impact on survival in the real-world remain unclear.

methodsConsecutive subjects with IPF were enrolled between March 2017 and June 2019. The maximum tolerated dose of pirfenidone (primary outcome) and adverse drug reactions (ADRs) were recorded. A post hoc logistic regression analysis was performed to evaluate the predictors of drug discontinuation due to ADRs. We also compared survival between the full-dose (2400 mg/day), reduced-dose (< 2400 mg/day), and the no-pirfenidone groups, with age and percentage of the predicted forced vital capacity (%pred FVC) as covariates.

resultsOf the 128 subjects (mean age, 67.4 years; 77.3% men) included, 115 were initiated on pirfenidone. Forty-nine (42.6%) and 51 (44.3%) subjects tolerated the full dose and reduced doses, respectively. Ninety-six (83.5%) subjects developed at least one ADR; anorexia dyspepsia, and nausea being the most common. Twenty-two subjects discontinued the drug; 15 of them due to ADRs. Body mass index < 20 kg/m

conclusionPirfenidone was tolerated in the full dose in a minority of patients with IPF and appears to improve survival only with the full dose.

Indexed as

AgedAnti-Inflammatory Agents, Non-SteroidalDose-Response Relationship, DrugFemaleForced Expiratory VolumeHumansIdiopathic Pulmonary FibrosisLungMaleMaximum Tolerated DoseMiddle AgedPatient SafetyProspective StudiesPyridonesRecovery of FunctionTreatment OutcomeAnti-Inflammatory Agents, Non-SteroidalpirfenidonePyridonesantifibroticdiffuse lung diseasedrug safetyinterstitial lung diseaseinterstitial pneumonialung fibrosis

Identifiers

PMID33093778
PMCPMC7569556

What OpenQuestion holds

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LicenceCC BY-NC-SA
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.