Drugs / Ribaxamase

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT04363242 Apr 2020 → Jul 2023 carcinoma Synermore Biologics Co., Ltd. Unknown No outcome recorded
Phase 1 NCT02391727 May 2015 → Oct 2018 colorectal cancer, head and neck cancer Synermore Biologics Co., Ltd. Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT02473640 Jun 2015 → Apr 2016 — Theriva Biologics, Inc. Completed No outcome recorded
Phase 1/2 NCT02419001 Mar → Sep 2015 — Theriva Biologics, Inc. Completed No outcome recorded
Phase 21 trial · 1 met primary
Phase 2 NCT02563106 Oct 2015 → Nov 2016 Clostridium difficile colitis, Clostridium infectious disease Theriva Biologics, Inc. Completed Met primary
Comparator or background therapy1 trial
Phase 1/2 NCT04692181 Comparator Feb 2021 → Sep 2029 expected acute graft versus host disease Theriva Biologics, Inc. Active not recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 18

DateIssuerRelease
2024-10-03 Theriva Biologics, Inc. Results Theriva™ Biologics Announces Positive Outcome of Data and Safety Monitoring Committee (DSMC) Review in Phase 1b/2a Clinical Trial of SYN-004 (ribaxamase) in Allogeneic Hematopoietic Cell Transplant Recipients therivabio.com ↗
DSMC has reviewed the safety and pharmacokinetic data from Cohort 2 and recommended that the study proceed to enroll patients into Cohort 3
2023-02-16 Theriva Biologics, Inc. Results Theriva™ Biologics Announces Presentation of Safety and Pharmacokinetic Data from Cohort 1 of the Phase 1b/2a Clinical Trial of SYN-004 (ribaxamase) in Allogeneic Hematopoietic Cell Transplant Recipients therivabio.com ↗
Analysis of patients receiving meropenem suggest that SYN-004 is well-tolerated with HCT and was not observed in blood samples from the majority of the evaluable patients
2022-09-27 Theriva Biologics, Inc. Results Synthetic Biologics Announces Positive Outcome of Data and Safety Monitoring Committee (DSMC) Review in Phase 1b/2a Clinical Trial of SYN-004 (ribaxamase) in Allogeneic Hematopoietic Cell Transplant Recipients therivabio.com ↗
Adverse events (AEs) and serious adverse events (SAEs) observed in Cohort 1 were typical of those observed in allo-HCT patients and no AEs or SAEs were determined to be related to study drug treatment by the investigators.
2020-11-10 Theriva Biologics, Inc. Regulatory Synthetic Biologics Reports 2020 Third Quarter Operational Highlights and Financial Results therivabio.com ↗
Received Notice from the FDA that the SYN-004 (ribaxamase) Phase 1b/2a Clinical Program in Adult Allogeneic HCT Recipients May Proceed as Planned
2018-04-23 Theriva Biologics, Inc. Regulatory Synthetic Biologics Provides Update on Development of SYN-004 (ribaxamase), for the Prevention of C. difficile Infection therivabio.com ↗
Synthetic Biologics, Inc. (NYSE American: SYN), a late-stage clinical company developing therapeutics designed to preserve the microbiome to protect and restore the health of patients, today announced that it has preliminary agreement from the U.S. Food & Drug Administration (FDA), on a proposed clinical trial synopsis for its planned Phase 3 clinical trial for SYN-004 (ribaxamase).
2017-05-11 Theriva Biologics, Inc. Regulatory SYN-004 (Ribaxamase) Receives Breakthrough Therapy Designation from U.S. Food and Drug Administration for Prevention of Clostridium difficile Infection therivabio.com ↗
Synthetic Biologics, Inc. (NYSE MKT: SYN), a late-stage clinical company developing therapeutics that preserve the microbiome to protect and restore the health of patients, today announced that the U.S. Food and Drug Administration (FDA) has granted a Breakthrough Therapy Designation for SYN-004 (ribaxamase) for the prevention of Clostridium difficile infection.
2017-05-04 Theriva Biologics, Inc. Results Synthetic Biologics Reports First Quarter 2017 Operational Highlights and Financial Results therivabio.com ↗
Most recently, we shared supportive data from exploratory endpoints in this trial with the CDC demonstrating ribaxamase successfully protected and preserved the naturally occurring composition of the gut microbiome from the dysbiotic effects of IV ceftriaxone, compared to placebo.
2017-01-05 Theriva Biologics, Inc. Results Synthetic Biologics’ SYN-004 (ribaxamase) Achieves Primary Endpoint in Phase 2b Trial for C. difficile Infection (CDI) therivabio.com ↗
The study, a randomized, double-blind, placebo controlled trial of 412 patients, met its primary endpoint of significantly reducing C. difficile Infection (CDI).
2016-07-07 Theriva Biologics, Inc. Regulatory Synthetic Biologics Receives USAN Approval for Generic Name Ribaxamase for Phase 2 Drug Candidate SYN-004 therivabio.com ↗
announced today that the United States Adopted Names Council (USAN) of the American Medical Association has approved the use of “ribaxamase” (Rye-bak’-sa-mase) for Synthetic Biologics’ SYN-004.
2016-05-16 Theriva Biologics, Inc. Results Synthetic Biologics Announces Positive Topline Results from Second Phase 2a Clinical Trial of SYN-004 for the Prevention of C. difficile Infection and Antibiotic-Associated Diarrhea therivabio.com ↗
The 150 mg dose strength of SYN-004 was well tolerated by all participants in this clinical trial.
2015-12-01 Theriva Biologics, Inc. Results Synthetic Biologics Announces Positive Topline Results from First Phase 2a Clinical Trial of SYN-004, the Company’s Candidate for the Prevention of C. difficile Infection therivabio.com ↗
Evaluation of the chyme from the ileostomized participants indicates that both dosage strengths of SYN-004 (75 mg and 150 mg) degrade residual IV ceftriaxone present in the chyme, supporting the mechanism of action of SYN-004.
2015-09-21 Theriva Biologics, Inc. Results Synthetic Biologics Reports First Analysis Demonstrating SYN-004’s Ability to Protect the Microbiome from Damage Caused by IV Antibiotics in a Humanized Pig Model therivabio.com ↗

All press releases naming this drug 27 releases

DateIssuerRelease

Evidence & citations 7 cited values

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

FieldValueCited text
Known as ribaxamase “The Oral β-Lactamase SYN-004 (Ribaxamase) Degrades Ceftriaxone Excreted into the Intestine in Phase 2a Clinical Studies.” PMID 28052855 ↗ Feb 2017
2

“Use of ribaxamase (SYN-004), a β-lactamase, to prevent Clostridium difficile infection in β-lactam-treated patients” PMID 30885591 ↗ Mar 2019

“SYN-004, Ribaxamase or Placebo” NCT04692181 ↗

Known as Ribaxamasa ChEMBL registry synonym — accepted as the source's own label CHEMBL3989985 ↗
Known as SYN004 “Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 75 mg” NCT02419001 ↗
5

NCT02391727 ↗

NCT02563106 ↗

NCT04363242 ↗

NCT04692181 ↗

NCT02473640 ↗

Action Inhibit “SYN004 might also inhibit cancer cells” NCT02391727 ↗
Modality Monoclonal antibody “a monoclonal antibody that binds to the EGF receptor on cancer cells” NCT02391727 ↗
Route Intravenous “single IV loading dose of SYN004” NCT02391727 ↗
Target EGFR “binds to the EGF receptor on cancer cells” NCT02391727 ↗