Clinical Trials

Penicillin G sodium is evaluated across several clinical trials encompassing Phase 1, Phase 3, and observational studies focused on healthy subjects, infective endocarditis, and syphilis infection associated with benzathine penicillin adverse reactions. Sponsored by academic medical centers such as the Washington University School of Medicine and Uppsala University alongside the pharmaceutical company Pfizer, these investigations range in recruitment status from completed and currently recruiting to not yet recruiting.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06391125 Not yet recruiting
Syphilis Infection|Benzathine Penicillin Adverse Reaction
Washington University School of Medicine
2024-06 Phase 3
NCT04647331 Recruiting
Infective Endocarditis
Uppsala University
2021-06-01 --
NCT03612557 Completed
Healthy
Pfizer
2018-08-20 Phase 1

(data from https://clinicaltrials.gov, updated on 2024-05-22)

Check the Penicillin G Sodium product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Penicillin G Sodium covalently binds to bacterial penicillin-binding proteins, thereby inhibiting the transpeptidase-mediated cross-linking of peptidoglycan chains required for cell wall synthesis. This disruption weakens structural integrity and triggers osmotic cell lysis, providing the bactericidal action necessary to treat severe bacterial diseases such as infective endocarditis and syphilis infection.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.