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The study to identify the regions where AMPA receptors are highly expressed using [11C]K-2 images obtained from healthy subjects and patients with epilepsy

The study to identify the regions where AMPA receptors are highly expressed using [11C]K-2 images obtained from healthy subjects and patients with epilepsy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT1030210154
Enrollment
17
Registered
2021-06-17
Start date
2021-06-17
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy subjects, patients with epilepsy

Interventions

None listed

Sponsors

Miyazaki Tomoyuki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -[11C] K-2 image data can be obtained from "A clinical trial to examine the efficacy and safety of radioligand [11C] K-2 in healthy subjects (UMIN000020975)" stored in the Department of Physiology, Yokohama City University. -[11C] K-2 image data of healthy participants aged 30-40 yrs can be obtained from "A pilot study comparing the efficacy of radioligand [11C] K-2 in the development of cross-diseased diagnostics between depression, bipolar disorder, schizophrenia, addiction, ASD, epilepsy, FTD cases and healthy individuals Of the [11C] K-2 image data captured by (UMIN000025132)" stored in the Department of Physiology, Yokohama City University. -[11C] K-2 image data of epilepsy patients showing significant reduction of seizures one year after surgery can be obtained from "a clinical trial investigating the efficacy of radioligand [11C] K-2 in patients undergoing anterior temporal lobe resection surgery for refractory epilepsy (UMIN000025090)", stored in the Department of Physiology, Yokohama City University.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
1. Comparison of AMPA receptor density of healthy participants before and after partial volume correction. 2. Calculation of Asymmetry index of [11C]K-2 images before and after partial volume correction 3. Comparison of Asymmetry index of [11C]K-2 images Intra-individually and between healthy participants and epilepsy patients before and after partial volume correction.

Contacts

Public ContactTomoyuki Miyazaki

Yokohama City University, School of medicine

johney@yokohama-cu.ac.jp+81-45-787-2579

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026