Evidence map›Paper›PMID 28954926›Full record

Trial reportScience translational medicine2017

RNAi-based treatment of chronically infected patients and chimpanzees reveals that integrated hepatitis B virus DNA is a source of HBsAg.

Christine I Wooddell, Man-Fung Yuen, Henry Lik-Yuen Chan, Robert G Gish, Stephen A Locarnini, Deborah Chavez, Carlo Ferrari, Bruce D Given, James Hamilton, Steven B Kanner and 6 more

Open access · bronzeAbstract readClinical Trial, Phase IIRandomized Controlled Trial
In one paragraph

Trial report in Science translational medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 262 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
262citing papers in PubMed, 1 pooled it
29.3field-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

262 citing papers in PubMed, 1 synthesis or guideline pooled it, 480 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Trial
  5. Trial
  6. Trial
  7. Trial
  8. Trial
  9. Trial
  10. Review
  11. Article
  12. Article
  13. Article
  14. [Clinical significance and occurrence mechanism of hepatitis B virus DNA integration].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2026
    Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. Review
  20. Review

202 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

16 authors at 8 institutions in 5 countries.

Christine I WooddellArrowhead Pharmaceuticals, 502 South Rosa Road, Madison, WI 53719, USA. cwooddell@arrowheadpharma.com.ORCID http://orcid.org/0000-0002-8203-7493
Man-Fung YuenDepartment of Medicine, University of Hong Kong, Queen Mary Hospital, Hong Kong, China.
Henry Lik-Yuen ChanDepartment of Medicine and Therapeutics and Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, China.
Robert G GishLiver Transplant Program, Stanford University Medical Center, San Diego, CA 92037, USA.
Stephen A LocarniniVictorian Infectious Diseases Reference Laboratory, Melbourne, Victoria 3000, Australia.
Deborah ChavezSouthwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX 78227, USA.ORCID http://orcid.org/0000-0003-4403-0343
Carlo FerrariUnit of Infectious Diseases and Hepatology, University of Parma, Parma 43126, Italy.
Bruce D GivenArrowhead Pharmaceuticals, 502 South Rosa Road, Madison, WI 53719, USA.ORCID http://orcid.org/0000-0002-2604-7435
James HamiltonArrowhead Pharmaceuticals, 225 South Lake Avenue, Suite 1050, Pasadena, CA 91101, USA.ORCID http://orcid.org/0000-0002-5494-2744
Steven B KannerArrowhead Pharmaceuticals, 502 South Rosa Road, Madison, WI 53719, USA.
Ching-Lung LaiDepartment of Medicine, University of Hong Kong, Queen Mary Hospital, Hong Kong, China.
Johnson Y N LauHong Kong Polytechnic University, Hong Kong, China.ORCID http://orcid.org/0000-0002-2118-297X
Thomas SchluepArrowhead Pharmaceuticals, 225 South Lake Avenue, Suite 1050, Pasadena, CA 91101, USA.ORCID http://orcid.org/0000-0002-2986-7287
Zhao XuArrowhead Pharmaceuticals, 502 South Rosa Road, Madison, WI 53719, USA.
Robert E LanfordSouthwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX 78227, USA.
David L LewisArrowhead Pharmaceuticals, 502 South Rosa Road, Madison, WI 53719, USA.
Arrowhead Pharmaceuticals (United States) · USQueen Mary Hospital · CNTexas Biomedical Research Institute · USChinese University of Hong Kong · HKHong Kong Polytechnic University · HKUniversity of California San Diego Medical Center · USUniversity of Parma · ITVictorian Infectious Diseases Reference Laboratory · AU

Funding

The Southwest National Primate Research Center Supplement- Infrastructure improvements of ABSL2 holding areasP51OD011133 · OD · TEXAS BIOMEDICAL RESEARCH INSTITUTE · PI Larry S. Schlesinger · 2012 to 2026
$129.7M
NIH HHS P51 OD011133
6 · The paper itself

Abstract

Chronic hepatitis B virus (HBV) infection is a major health concern worldwide, frequently leading to liver cirrhosis, liver failure, and hepatocellular carcinoma. Evidence suggests that high viral antigen load may play a role in chronicity. Production of viral proteins is thought to depend on transcription of viral covalently closed circular DNA (cccDNA). In a human clinical trial with an RNA interference (RNAi)-based therapeutic targeting HBV transcripts, ARC-520, HBV S antigen (HBsAg) was strongly reduced in treatment-naïve patients positive for HBV e antigen (HBeAg) but was reduced significantly less in patients who were HBeAg-negative or had received long-term therapy with nucleos(t)ide viral replication inhibitors (NUCs). HBeAg positivity is associated with greater disease risk that may be moderately reduced upon HBeAg loss. The molecular basis for this unexpected differential response was investigated in chimpanzees chronically infected with HBV. Several lines of evidence demonstrated that HBsAg was expressed not only from the episomal cccDNA minichromosome but also from transcripts arising from HBV DNA integrated into the host genome, which was the dominant source in HBeAg-negative chimpanzees. Many of the integrants detected in chimpanzees lacked target sites for the small interfering RNAs in ARC-520, explaining the reduced response in HBeAg-negative chimpanzees and, by extension, in HBeAg-negative patients. Our results uncover a heretofore underrecognized source of HBsAg that may represent a strategy adopted by HBV to maintain chronicity in the presence of host immunosurveillance. These results could alter trial design and endpoint expectations of new therapies for chronic HBV.

Indexed as

RNA InterferenceVirus IntegrationAnimalsAntiviral AgentsBase SequenceDNA, ViralHepatitis B, ChronicHepatitis B e AntigensHepatitis B Surface AntigensHepatitis B virusHumansLiverPan troglodytesPolyadenylationRNA, MessengerRNA, Small InterferingAntiviral AgentsDNA, ViralHepatitis B e AntigensHepatitis B Surface AntigensRNA, MessengerRNA, Small InterferingRNA, Viral

Identifiers

PMID28954926
PMCPMC5830187
OpenAlexW2757654367

What OpenQuestion holds

Textmetadata
LicenceTDM
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.