Drugs / RH5.1

Trials 6

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT05385471 Jan 2023 → Mar 2026 overdue Plasmodium falciparum malaria University of Oxford Active not recruiting No outcome recorded
Phase 13 trials
Phase 1 NCT06958198 Sep 2025 → Oct 2026 expected Plasmodium falciparum malaria University of Oxford Recruiting No outcome recorded
Phase 1 NCT06141057 Jun 2023 → Jul 2025 overdue Plasmodium falciparum malaria University of Oxford Active not recruiting No outcome recorded
Phase 1 NCT04318002 Jan 2021 → Aug 2023 Plasmodium falciparum malaria University of Oxford Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT05790889 Apr 2023 → May 2026 overdue Plasmodium falciparum malaria University of Oxford Recruiting Mixed
Phase 21 trial
Phase 2 NCT07183371 Dec 2025 → Dec 2026 expected Plasmodium falciparum malaria University of Oxford Active not recruiting No outcome recorded
Comparator or background therapy2 trials
Phase 1/2 NCT05978037 Comparator Aug 2023 → Apr 2026 Plasmodium falciparum malaria University of Oxford Completed No outcome recorded
Phase 1/2 NCT02927145 Comparator Oct 2016 → Jun 2019 malaria University of Oxford Completed No outcome recorded

News releases announcing trial results or a regulatory action · 8

DateIssuerRelease
2026-04-22 ExpreS2ion Biotechnologies Results ExpreS2ion Biotech highlights BIO-002 clinical data supporting platform validation, scalability and partnered development model expres2ionbio.com ↗
Importantly, BIO-002 shows that a standard-dose regimen achieves similar immune responses to a higher-dose approach.
2024-12-11 ExpreS2ion Biotechnologies Results Publication of clinical Phase IIb trial data for the adjuvanted RH5.1 blood-stage malaria vaccine expres2ionbio.com ↗
These are the first data demonstrating the safety and efficacy of the RH5.1/Matrix-M blood-stage malaria vaccine in preventing clinical malaria over a six-month follow-up period in infants aged 5-17 months.
2024-06-21 ExpreS2ion Biotechnologies Results Publication of clinical Phase Ib trial data for the adjuvanted RH5.1 blood-stage malaria vaccine expres2ionbio.com ↗
These are the first data on the RH5.1/Matrix-M blood-stage malaria vaccine’s safety and immunogenicity in Tanzania published in the Lancet.
2021-04-21 ExpreS2ion Biotechnologies Results Publication of clinical Phase I/IIa data in the RH5 blood-stage malaria vaccine expres2ionbio.com ↗
Minassian et al. report that the RH5.1/AS01B vaccine against blood-stage Plasmodium falciparum malaria is safe and immunogenic in the phase I/IIa clinical trial.
2018-10-31 ExpreS2ion Biotechnologies Results ExpreS2ion meddelar positiva resultat från fas I/IIa-studie med malariavaccin av The Jenner Institute, Oxfords Universitet expres2ionbio.com ↗
ExpreS2ion Biotech Holding AB (“ExpreS2ion”) meddelar idag att The Jenner Institute vid Oxfords Universitet i dag presenterar positiva resultat från sina kliniska fas I/IIa-studie med deras RH5.1-blodmalariavaccin vid ett vetenskapeligt möte i New Orleans.
2018-10-31 ExpreS2ion Biotechnologies Results ExpreS2ion announces positive Phase I/IIa malaria vaccine trial results by The Jenner Institute, University of Oxford expres2ionbio.com ↗
Today, ExpreS2ion Biotech Holding AB (“ExpreS2ion”) announces that The Jenner Institute of the University of Oxford presents positive results from its Phase I/IIa clinical studies with their RH5.1 blood-stage malaria vaccine at a scientific meeting in New Orleans.
2017-07-05 ExpreS2ion Biotechnologies Results Successful completion of Phase I and initiation of Phase IIa clinical trial of a universal malaria vaccine produced in ExpreS2 expres2ionbio.com ↗
The successfully completed part of the Phase I study assessed the safety of the vaccine and the immune response, as well as the optimal dosing regimen of the vaccine.
2017-07-05 ExpreS2ion Biotechnologies Results Framgångsrikt färdigställande av klinisk fas I-studie och inledande av fas IIa-studie av universellt malariavaccin producerat i ExpreS2 expres2ionbio.com ↗

All press releases naming this drug 9 releases

DateIssuerRelease

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 9 sources stand behind the page.

FieldValueCited text
Known as RH5.1 ClinicalTrials.gov intervention name — accepted as the source's own label NCT02927145 ↗
7

NCT05978037 ↗

NCT07183371 ↗

NCT05385471 ↗

NCT06141057 ↗

NCT06958198 ↗

NCT04318002 ↗

NCT05790889 ↗

Modality Vaccine “The RH5.1 recombinant protein vaccine, targeting the P. falciparum reticulocyte-binding protein homolog 5 (RH5), formulated in AS01B adjuvant.” PMID 34223402 ↗ Jun 2021
Route Intramuscular “administered intramuscularly in healthy adults, young children and infants in Tanzania” NCT04318002 ↗