Achievements
Sample Collection Records
As of October 14, 2026
| Collection Source | Total Sample Collections |
Plasma (tubes) |
Serum (tubes) |
Cerebrospinal fluid (tubes) |
Urine (tubes) |
DNA (tubes) |
|---|---|---|---|---|---|---|
| Department of Neurology | 663 | 5200 | 4010 | 4253 | 0 | 872 |
| Department of Memory Disorder | 1424 | 13667 | 8545 | 4 | 0 | 1792 |
| Department of DMT | 104 | 839 | 602 | 0 | 0 | 122 |
| Department of Neurosurgery | 5 | 31 | 17 | 34 | 0 | 4 |
| Department of Psychiatry | 7 | 48 | 35 | 24 | 0 | 12 |
| Department of Frailty | 117 | 1164 | 732 | 0 | 0 | 136 |
| Department of Ophthalmology | 356 | 3526 | 2166 | 0 | 0 | 684 |
| DEMCIRC Study | 1382 | 11557 | 8558 | 0 | 0 | 788 |
| Otassha Study | 657 | 6755 | 969 | 0 | 2620 | 0 |
| Total | 4715 | 42787 | 25634 | 4315 | 2620 | 4410 |
DMT: disease-modifying therapy,DEMCIRC: Determinant of MCI Reversion/Conversion,MCI: mild cognitive impairment
Enrollment Trends

Sample Utilization Records
As of October 14, 2026
| No | Fiscal Year | Sample Type |
|---|---|---|
| 1 | 2026 | Plasma |
| 2 | 2026 | Plasma and cerebrospinal fluid |
| 3 | 2026 | Plasma and cerebrospinal fluid |
| 4 | 2026 | Plasma and cerebrospinal fluid |
| 5 | 2025 | Plasma and cerebrospinal fluid |
| 6 | 2025 | Plasma |
| 7 | 2025 | Plasma |
| 8 | 2025 | Buffy coat |
| 9 | 2025 | Serum |
| 10 | 2025 | Plasma |
| 11 | 2025 | Plasma |
| 12 | 2025 | Plasma |
| 13 | 2025 | Plasma |
| 14 | 2025 | Plasma |
| 15 | 2024 | Plasma |
| 16 | 2024 | Plasma and cerebrospinal fluid |
| 17 | 2024 | Plasma |
| 18 | 2024 | Cerebrospinal fluid |
Press Releases and Research Outcomes
Contact
TMIG Biobank Office
Research Support Unit,
Healthy Aging Innovation Center,
Tokyo Metropolitan Institute for Geriatrics and Gerontology
tmig_biobanktmig.or.jp

