NCT05403866

Brief Summary

This is a phase II, double-blind, randomized, placebo-controlled study to evaluate the safety and efficacy of multiple doses of LT3001 drug product in subjects with acute ischemic stroke (AIS)

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
89

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Aug 2022

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 31, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

June 3, 2022

Completed
3 months until next milestone

Study Start

First participant enrolled

August 17, 2022

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 23, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 23, 2025

Completed
7 months until next milestone

Results Posted

Study results publicly available

December 26, 2025

Completed
Last Updated

December 26, 2025

Status Verified

December 1, 2025

Enrollment Period

2.8 years

First QC Date

May 31, 2022

Results QC Date

December 9, 2025

Last Update Submit

December 9, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • The Proportion of Subjects With Adverse Events (AEs), Judged to be Probably or Definitely Related to the Investigational Product (IP), Within 90 Days After the First IP Administration.

    There were no subjects in either treatment group who met the predefined criteria for the primary safety endpoint: the proportion of subjects with TEAEs judged to be probably or definitely related to the IP within 90 days after the first IP administration.

    within 90 days after the first IP administration

Study Arms (2)

LT3001 Drug Product

EXPERIMENTAL

Administered by intravenous infusion

Drug: LT3001 Drug Product

Placebo

PLACEBO COMPARATOR

Administered by intravenous infusion

Drug: Placebo

Interventions

Administered by intravenous infusion

LT3001 Drug Product

Administered by intravenous infusion

Placebo

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject is aged 18 to 90 years.
  • Subject has an NIHSS of 6 to 25.
  • Subject is able to receive the first IP within 24 hours after stroke symptoms onset.
  • Subject is able to undergo a contrast brain perfusion with either MRI or computed tomography (CT).
  • Subject has Target Mismatch Profile on MRI (perfusion is included) or CTP: ischemic core volume ≤70 mL, mismatch ratio ≥1.2 and mismatch volume ≥5 mL.

You may not qualify if:

  • Subject has been treated or intent to treat with endovascular thrombectomy and/or intravenous thrombolytic during the current AIS.
  • Subject has a pre-stroke disability (mRS ≥2).
  • Subject has large ischemic core volume \>70 mL or ASPECTS ≤5.
  • Subject has symptoms of suspected subarachnoid hemorrhage.
  • Subject has imaging evidence of acute intracranial hemorrhage, intracranial tumor, arteriovenous malformations, other central nervous system lesions that could increase the risk of bleeding, or aneurysm requiring treatment.
  • Subject has significant mass effect with midline shift.
  • Subject has pre-existing medical, neurological, or psychiatric disease that would confound the neurological or functional evaluations.
  • Subject has current uncontrolled hypertension despite treatment.
  • Subject has INR \>1.7 or abnormal aPTT or platelet count \<100,000/mm\^3.
  • Subject has received conventional heparin or new oral anticoagulants within 48 hours before the first IP administration.
  • Subject has blood glucose concentration \<50 mg/dL or \>400 mg/dL.
  • Subject has moderate or severe hepatic, renal, and/or active infectious disease.
  • Subject is lactating, pregnant, or planning to become pregnant during the study.
  • Subject has had history of sICH, prior AIS, myocardial infarction, or serious head trauma within 90 days before Screening.
  • Subject has had any major surgery within 90 days before Screening.
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Chattanooga Center for Neurologic Research

Chattanooga, Tennessee, 37403, United States

Location

MeSH Terms

Conditions

Ischemic Stroke

Condition Hierarchy (Ancestors)

StrokeCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Results Point of Contact

Title
Sabrina Yeh
Organization
Lumosa Therapeutics Co., Ltd.

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
LTE60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 31, 2022

First Posted

June 3, 2022

Study Start

August 17, 2022

Primary Completion

May 23, 2025

Study Completion

May 23, 2025

Last Updated

December 26, 2025

Results First Posted

December 26, 2025

Record last verified: 2025-12

Locations