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NCT Number: NCT07244328

Exploratory Study of UX-GIP001 Cell Therapy in Adult Patients With Drug-Resistant Unilateral Mesial Temporal Lobe Epilepsy (MTLE)

This is an exploratory clinical trial (Protocol: UX-GIP001-101) investigating UX-GIP001 Injection, a novel cell therapy product consisting of human GABAergic interneuron progenitor cells (GIP), for treating adult patients with drug-resistant unilateral medial temporal lobe epilepsy (MTLE). The primary objective is to assess the safety, tolerability, and preliminary efficacy of UX-GIP001. This is an open-label, single-arm study. All enrolled participants will receive the active investigational cell therapy. Seizure frequency and safety parameters will be evaluated by comparing post-transplant outcomes to pre-transplant baselines.

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Key information

Age range

18 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Early Phase 1

Primary location

Second Affiliated Hospital, School of Medicine, Zhejiang University

Hangzhou, Zhejiang, 310009, China

Location status: Recruiting

Location contact

Yang, Doctor

CONTACT

[email protected]

+86 132 0571 618

About this study

Participants will receive UX-GIP001 via stereotactic neurosurgery, preceded by and followed with immunosuppressive therapy. The study includes a baseline period for eligibility confirmation and a 24-month follow-up phase involving regular safety assessments, neuroimaging , seizure diary logging, and evaluations of quality of life, cognition, and mood. This pioneering regenerative approach seeks to provide a new treatment strategy for drug-resistant MTLE by addressing the underlying pathophysiology.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Age 18-75 (inclusive), male or female.
  • Clinical presentation consistent with unilateral mesial temporal lobe epilepsy (MTLE).
  • Has failed to achieve seizure control despite treatment with at least two anti-seizure medications (ASMs) at recommended or maximally tolerated doses.
  • Average focal seizure frequency ≥4 per 28 days during the 3 months prior to screening.
  • Stable doses of ASMs for ≥1 month prior to enrollment.
  • Patient is in good general health or has stable comorbid conditions, and has adequate organ function.

Key Exclusion Criteria:

  • Epilepsy caused by other/or progressive neurological diseases , or patients experiencing only focal aware seizures without observable manifestations.
  • History of epilepsy surgery.
  • History of status epilepticus within 12 months prior to screening.
  • Presence of long-term implants in the skull or intracranial space.
  • Severe systemic disease or dysfunction.
  • Primary or secondary immunodeficiency.
  • History of clear suicidal intent, plan, or behavior within one year prior to screening.
  • Severe psychiatric disorders.
  • History of malignancy within the past 5 years, except for cervical carcinoma in situ, basal cell or squamous cell skin cancer cured for >5 years.
  • Pregnant or breastfeeding women.

Treatment and study plan

UX-GIP001

Biological

Allogeneic human GABAergic interneuron precursors (UX-GIP001) are delivered into the temporal lobe region of the brain.

Primary outcomes

  1. Incidence and severity of Adverse Events (AEs)/Serious Adverse Events (SAEs)

    Time frame: From baseline to 2 years post surgery

Secondary outcomes

  1. Change from baseline in total and subtype seizure frequency

    Time frame: From baseline to 2 years post surgery

  2. Responder rates (≥50% and ≥75% reduction) in total and subtype seizure frequency

    Time frame: From baseline to 2 years post surgery

  3. Seizure free rate

    Time frame: From baseline to 2 years post surgery

Study contacts

Contact information is provided by the study sponsor or research team.

Yang, Doctor

CONTACT

[email protected]

+86 132 0571 6189

Sponsors and collaborators

Lead sponsor

Second Affiliated Hospital, School of Medicine, Zhejiang University

Other

Collaborators

  • Shanghai UniXell Biotechnology Co., Ltd

Registry information

Official study title

An Exploratory Clinical Trial of UX-GIP001 Injection (Human GABAergic Interneuron Progenitor Cells Injection) in Adult Patients With Drug-Resistant Unilateral Mesial Temporal Lobe Epilepsy

Important dates

Study start
2025
Primary completion
2028
Study completion
2028
First posted
Nov 24, 2025
Registry last updated
Apr 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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