Theriva Biologics

Closed portfolio with an early-phase archive tilt

According to ClinicalTrials.gov-derived indexes, Theriva Biologics sits in the upper quartile of US sponsors by registered trial count (#1,806 of 15,742 sponsors by registered trial count).

7 total trials none currently recruiting 6 completed early-phase tilt upper quartile by trial count

Theriva Biologics: 7 sponsored US clinical trials, none currently recruiting.

Theriva Biologics sponsors 7 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 6 completed. 0 of these trials are in Phase 3-4 (later-stage) and 7 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Enteritis Caused by Radiation (Disorder), with 1 trials.

Upper-quartile sponsor footprint

Theriva Biologics sits in the upper quartile of the sponsor corpus (#1,806 of 15,742 sponsors by registered trial count) - denser than most sponsors, still short of the top-decile hubs.

Indexed trials (enrollment closed)

7 total, page 1 of 1

ACTIVE NOT RECRUITING Phase 1

SYN-004 Safety and Tolerability in Allo-HCT Subjects

NCT04692181
COMPLETED Phase 1

Multiple Ascending Dose Study to Assess the Pharmacokinetics, Safety, and Tolerability of Orally Administered SYN 020

NCT05045833
COMPLETED Phase 1

Pharmacokinetics, Safety, and Tolerability of SYN-020

NCT04815993
COMPLETED Phase 2

A Study of SYN-004 for the Prevention of C.Diff in Patients With a LRTI

NCT02563106
COMPLETED Phase 2

A Single-Dose, Open-Label, Study to Evaluate the Sustainability of the Effects of SYN-010 in Patients With IBS-C

NCT02493036
COMPLETED Phase 2

A Study of the Effect of SYN-010 on Subjects With IBS-C

NCT02495623
COMPLETED Phase 1

A Study to Evaluate the Effect of SYN-004 on the PK of IV Ceftriaxone in Adults With a Functioning Ileostomy

NCT02419001

Phase Distribution

PhaseTrial count
Phase 1 4
Phase 2 3

Therapeutic Areas

Enteritis Caused by Radiation (Disorder) 1
Prevention of CDI in Adult Patients Being Treated With IV Beta-lactam Antibiotics 1
Acute Graft-Versus-Host Reaction Following Bone Marrow Transplant 1

How the Theriva Biologics early-phase archive is shaped

7 indexed studies, none listed as recruiting (0% open); 6 completed (86%).

Phase mix: 0 late (III/IV) vs 7 early (I/II) (early-phase heavy).

Top condition: Enteritis Caused by Radiation (Disorder) (1 trial), 2 others listed.

How to read a closed sponsor archive

When recruiting_count is zero, the indexed set is completed or otherwise not open. Phase tilt still describes where archived studies sat on the investigational pathway. Re-check ClinicalTrials.gov before acting.

Theriva Biologics: archived-pipeline peers nationwide

Peers matched on 7 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Theriva Biologics sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 051015 0%10%20%30%40% Total trials Recruiting share Theriva Biologics3M4Life Research89bioAbbott Diagnostics Division10xBio22nd Century Group23andMe3-C Institute for Social Development
Theriva Biologics sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Theriva Biologics sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 7 archived trials

Sponsors with similar archive density (± trial count)

Related

Read our methodology - how this data is sourced, computed, and verified.

What to do with this Theriva Biologics page

7 registered trials is a research-attention snapshot, not an endorsement of Theriva Biologics or any single study.

  • None of Theriva Biologics's trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Enteritis Caused by Radiation (Disorder) is the condition Theriva Biologics studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Enteritis Caused by Radiation (Disorder) trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. Theriva Biologics pipeline card: 7 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.