A Study to Learn How Safe Different Doses of NTS-521 are, What the Amount of NTS-521 in the Body is Over a Period of Time, and What the Effects of NTS-521 on the Body and the Body on NTS-521 are in Adult and Elderly People Receiving Single and Multiple Doses of NTS-521 via an Infusion Directly into a Vein

2024-518613-26-01 Protocol NTS-521-A001-101 Human pharmacology (Phase I) - First administration to humans Ended

Start 6 Jun 2025 · End 7 Apr 2026 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol NTS-521-A001-101

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ended
Participants planned 120
Countries 1
Sites 1

Not applicable

Key facts

Sponsor
Neurotrauma Sciences LLC
Participant type
Healthy volunteers
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Nervous System Diseases [C10]
Trial duration
6 Jun 2025 → 7 Apr 2026
Decision date (initial)
2025-04-30
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Not applicable

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Neurotrauma Sciences LLC

Sponsor organisation
Neurotrauma Sciences LLC
Address
2655 Northwinds Parkway Suite 5c
City
Alpharetta
Postcode
30009-2280
Country
United States

Scientific contact point

Organisation
Neurotrauma Sciences LLC
Contact name
-

Public contact point

Organisation
Neurotrauma Sciences LLC
Contact name
-

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ended 120 1
Rest of world 0

Investigational sites

Belgium

1 site · Ended
SGS Belgium
SGS Belgium NV – Clinical Pharmacology Unit, Drie Eikenstraat 655, 2650, Edegem

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2025-06-06 2026-04-07 2025-06-06 2026-03-27

Application history

2 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-04-10 Belgium Acceptable
2025-04-30
2025-04-30
2 SUBSTANTIAL MODIFICATION SM-1 2025-11-06 Belgium Acceptable
2025-11-21
2025-11-26