Evidence map›Paper›PMID 34058283›Full record

ReviewAdvanced drug delivery reviews2021

Evolution of Toll-like receptor 7/8 agonist therapeutics and their delivery approaches: From antiviral formulations to vaccine adjuvants.

Sachin Bhagchandani, Jeremiah A Johnson, Darrell J Irvine

Open access · hybridAbstract readReview
In one paragraph

Review in Advanced drug delivery reviews, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed, 1 pooled it
9.5field-weighted citation impact, top 1% 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

91 citing papers in PubMed, 1 synthesis or guideline pooled it, 172 citations in OpenAlex.

  1. Pooled it
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  14. Advances and Strategies in Enhancing mRNA Cancer Vaccines.Advanced materials (Deerfield Beach, Fla.) · 2025
    Review
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31 more citing papers are in PubMed but not listed here.

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

3 authors at 3 institutions in 1 country.

Sachin BhagchandaniKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA.
Jeremiah A JohnsonKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02139, USA. Electronic address: jaj2109@mit.edu.
Darrell J IrvineKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA; Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA. Electronic address: djirvine@mit.edu.
Broad Institute · USHoward Hughes Medical Institute · USRagon Institute of MGH, MIT and Harvard · US

Funding

Identification of neutralizing epitopes on SARS-CoV-2 spike for design of vaccines and small-molecule antiviralsUM1AI144462 · NIAID · SCRIPPS RESEARCH INSTITUTE, THE · PI BURTON, DENNIS R. · 2019 to 2025
$201.6M
Organic nanoparticles for dual MRI-guided therapeutic selection and ovarian cancer drug deliveryR01CA220468 · NCI · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI Jeremiah Allen Johnson · 2017 to 2026
$4.9M
NCI NIH HHS R01 CA220468NIAID NIH HHS UM1 AI144462
6 · The paper itself

Abstract

Imidazoquinoline derivatives (IMDs) and related compounds function as synthetic agonists of Toll-like receptors 7 and 8 (TLR7/8) and one is FDA approved for topical antiviral and skin cancer treatments. Nevertheless, these innate immune system-activating drugs have potentially much broader therapeutic utility; they have been pursued as antitumor immunomodulatory agents and more recently as candidate vaccine adjuvants for cancer and infectious disease. The broad expression profiles of TLR7/8, poor pharmacokinetic properties of IMDs, and toxicities associated with systemic administration, however, are formidable barriers to successful clinical translation. Herein, we review IMD formulations that have advanced to the clinic and discuss issues related to biodistribution and toxicity that have hampered the further development of these compounds. Recent strategies aimed at enhancing safety and efficacy, particularly through the use of bioconjugates and nanoparticle formulations that alter pharmacokinetics, biodistribution, and cellular targeting, are described. Finally, key aspects of the biology of TLR7 signaling, such as TLR7 tolerance, that may need to be considered in the development of new IMD therapeutics are discussed.

Indexed as

Drug Delivery SystemsAdjuvants, VaccineAnimalsAntineoplastic AgentsAntiviral AgentsHumansImmunomodulating AgentsToll-Like Receptor 7Toll-Like Receptor 8Adjuvants, VaccineAntineoplastic AgentsAntiviral AgentsImmunomodulating AgentsToll-Like Receptor 7Toll-Like Receptor 8BioconjugationCancerImmunomodulatorsInfectious diseaseNanoparticlesTLR7 agonistsToll-like receptorsVaccine adjuvants

Identifiers

PMID34058283
PMCPMC9003539
OpenAlexW3164029425

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.