Evidence map›Paper›PMID 34815336›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Hexavalent sperm-binding IgG antibody released from vaginal film for development of potent on-demand nonhormonal female contraception.

Bhawana Shrestha, Kathleen Vincent, Alison Schaefer, Yong Zhu, Gracie Vargas, Massoud Motamedi, Kelsi Swope, Josh Morton, Carrie Simpson, Henry Pham and 7 more

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 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
1.2field-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, 14 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Vaginally-delivered fast-dissolving antibody tablets (FDAT) for on-demand non-hormonal contraception and multi-purpose protection.Journal of controlled release : official journal of the Controlled Release Society · 2025
    Article
  6. Article
  7. Article
  8. Review
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

17 authors at 3 institutions in 1 country.

Bhawana ShresthaDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.ORCID 0000-0003-1173-7211
Kathleen VincentDepartment of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX 77555.
Alison SchaeferUniversity of North Carolina/North Carolina State University Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.
Yong ZhuDepartment of Ophthalmology, University of Texas Medical Branch, Galveston, TX 77555.
Gracie VargasDepartment of Neuroscience and Cell Biology, University of Texas Medical Branch, Galveston, TX 77555.
Massoud MotamediDepartment of Ophthalmology, University of Texas Medical Branch, Galveston, TX 77555.
Kelsi SwopeKentucky BioProcessing, Inc., Owensboro, KY 42301.ORCID 0000-0003-1085-0319
Josh MortonKentucky BioProcessing, Inc., Owensboro, KY 42301.
Carrie SimpsonKentucky BioProcessing, Inc., Owensboro, KY 42301.
Henry PhamZabBio, Inc., San Diego, CA 92121.
Miles B BrennanZabBio, Inc., San Diego, CA 92121.
Michael H PaulyZabBio, Inc., San Diego, CA 92121.
Larry ZeitlinZabBio, Inc., San Diego, CA 92121.ORCID 0000-0002-6857-1024
Barry BratcherKentucky BioProcessing, Inc., Owensboro, KY 42301.
Kevin J WhaleyZabBio, Inc., San Diego, CA 92121.ORCID 0000-0003-3856-6803
Thomas R MoenchMapp Biopharmaceutical, Inc., San Diego, CA 92121.ORCID 0000-0001-8447-3507
Samuel K LaiDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599; lai@unc.edu.
The University of Texas Medical Branch at Galveston · USMapp Biopharmaceutical (United States) · USUniversity of North Carolina at Chapel Hill · US

Funding

Engineering bispecific antibodies for non-hormonal contraceptionR01HD101562 · NICHD · UNIV OF NORTH CAROLINA CHAPEL HILL · PI LAI, SAMUEL · 2020 to 2023
$2.1M
Preclinical Testing of Human Contraceptive Antibody (HCA) and HCA productsU54HD096957 · NICHD · BOSTON UNIVERSITY MEDICAL CAMPUS · PI ANDERSON, DEBORAH J, MOENCH, THOMAS RAY · 2018 to 2018
$2.0M
Capsule-intravaginal ring for sustained release of antibodies for non-hormonal contraception and vaginal protection against HIVR44HD097063 · NICHD · MUCOMMUNE, LLC · PI KUSHIRO, KEIICHIRO · 2018 to 2022
$1.9M
In vivo dose finding for an antibody based nonhormonal contraceptive intravaginal ringR44HD100231 · NICHD · MUCOMMUNE, LLC · PI CONE, RICHARD · 2020 to 2021
$1.7M
Nonhormonal contraceptive intravaginal ring based on high valency anti-sperm antibody constructsR61HD099747 · NICHD · MUCOMMUNE, LLC · PI MOENCH, THOMAS RAY · 2019 to 2020
$606k
Development of novel sperm-binding antibodiesR56HD095629 · NICHD · UNIV OF NORTH CAROLINA CHAPEL HILL · PI LAI, SAMUEL · 2017 to 2017
$307k
Non-hormonal contraception based on vaginal delivery of multimeric sperm-binding antibodiesR43HD097941 · NICHD · MUCOMMUNE, LLC · PI CONE, RICHARD · 2019 to 2019
$225k
Development of a biologic for non-hormonal contraceptionR43HD094454 · NICHD · MUCOMMUNE, LLC · PI CONE, RICHARD · 2018 to 2018
$213k
NICHD NIH HHS R01 HD101562NICHD NIH HHS R43 HD094454NICHD NIH HHS R43 HD097941NICHD NIH HHS R44 HD097063NICHD NIH HHS R44 HD100231NICHD NIH HHS R56 HD095629NICHD NIH HHS R61 HD099747NICHD NIH HHS U54 HD096957
6 · The paper itself

Abstract

Nonhormonal products for on-demand contraception are a global health technology gap; this unmet need motivated us to pursue the use of sperm-binding monoclonal antibodies to enable effective on-demand contraception. Here, using the cGMP-compliant

Indexed as

Administration, IntravaginalAnimalsAntibodiesAntibodies, MonoclonalContraceptionContraceptive AgentsFemaleHumansImmunoglobulin Fab FragmentsImmunoglobulin GMaleModels, AnimalSheepSpermatozoaSperm MotilityAntibodiesAntibodies, MonoclonalContraceptive AgentsImmunoglobulin Fab FragmentsImmunoglobulin Gantibody engineeringcontraceptionmultivalent antibodyvaginal film

Identifiers

PMID34815336
PMCPMC8640842
OpenAlexW3215872050

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.