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Safety Study of SLV213 for the Treatment of COVID-19.

NCT06146374 · Status: TERMINATED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 16

Last updated 2025-07-22

Study results available
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Summary

This Phase 1 double blind, placebo-controlled study will evaluate the safety, tolerability, and pharmacokinetics (PK) of multiple ascending doses (MAD) of SLV213 in healthy male and female participants, 18-65 years of age. This study will help to select the most likely suitable dose (e.g., at Maximum Tolerated Dose \[MTD\]) for the treatment of patients with COVID-19 in a pivotal study. This phase 1 double blind, placebo-controlled study will consist of three sequential cohorts of 12 participants each (8 SLV213 and 4 placebo), at doses of 400 mg every 12 hours (Q12h), 600 mg Q12h, and 800 mg Q12h administered orally (PO) for 7 days. After each cohort, a Safety Review Committee (SRC) will evaluate the safety of the regimen before proceeding to dose the next cohort. Randomization will occur into the respective cohorts as above. Upon meeting the Inclusion/Exclusion criteria, subjects will begin treatment with SLV213 or placebo per their assigned cohort. The primary objective is to evaluate the safety and tolerability of multiple ascending doses of SLV213 for 7 days in healthy participants.

Conditions

Interventions

OTHER

Placebo for SLV213

Microcrystalline cellulose in a size 1 orange hard gelatin capsule.

DRUG

SLV213

SLV213 drug substance (K777) is 4-methylpiperazine-1-carboxylic acid, a vinyl sulfone cysteine protease inhibitor for the treatment of subjects infected with SARS-CoV-2. SLV213 is a white powder substance without excipients or stabilizer that will be packed into gelatin capsules which has been demonstrated to exhibit broad inhibitory properties against host cathepsins (e.g., Cathepsin L).

Sponsors & Collaborators

  • National Institute of Allergy and Infectious Diseases (NIAID)

    lead NIH

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-04-09
Primary Completion
2024-07-08
Completion
2024-07-08
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06146374 on ClinicalTrials.gov