Evidence map›Paper›PMID 33717595›Full record

ReviewJournal of thoracic disease2021

Post-tuberculous lung disease: should we be using Theophylline?

Sumanth Karamchand, Morne Williams, Poobalan Naidoo, Eric Decloedt, Brian Allwood

Open access · diamondAbstract readReview
In one paragraph

Review in Journal of thoracic disease, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.0field-weighted citation impact, top 23% of its field
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

8 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Post-tuberculosis lung disease.Breathe (Sheffield, England) · 2026
    Review
  3. Review
  4. Article
  5. Review
  6. Article
  7. Article
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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

5 authors at 3 institutions in 2 countries.

Sumanth KaramchandDivision of Pulmonology, Western Cape Department of Health, Tygerberg Hospital, Bellville, South Africa.
Morne WilliamsDivision of Pulmonology, Western Cape Department of Health, Tygerberg Hospital, Bellville, South Africa.
Poobalan NaidooDepartment of Informatics, School of Health Professions, Rutgers University, New Jersey, USA.
Eric DecloedtDivision of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Bellville, South Africa.
Brian AllwoodDivision of Pulmonology, Western Cape Department of Health, Tygerberg Hospital, Bellville, South Africa.
Tygerberg Hospital · ZAWestern Cape Department of Health · ZARutgers, The State University of New Jersey · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tuberculosis affects 10 million people and over 320,000 South Africans every year. A significant proportion of patients treated for tuberculosis develop post-tuberculous lung disease (PTBLD), a disease of chronic respiratory impairment for which there is a lack of affordable treatment options. PTBLD a heterogenous disorder that shares phenotypical features with chronic obstructive lung disease, bronchiectasis, lung fibrosis and destruction as well as pulmonary hypertension. There remains a paucity of proven pharmacotherapy for the management of PTBLD. Theophylline, a widely available and affordable medicine that has largely fell out of favour in high-income settings due to its toxicity and narrow therapeutic index, may be repositioned for the treatment of PTBLD. In this review, we unpack the potential role of theophylline in the management of PTBLD by reviewing the evidence for its bronchodilatory, anti-inflammatory and potential pleotrophic effects.

Indexed as

chronic obstructive pulmonary disease (COPD)Post tuberculous lung disease (PTBLD)pulmonary hypertensiontheophyllinetuberculosis (TB)

Identifiers

PMID33717595
PMCPMC7947523
OpenAlexW3134628406

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.