Skip to content

Long-term follow-up study after 'Treatment of lumbar canal stenosis with a combination of ultra-purified, allogenic, bone marrow-derived, mesenchymal stem cells (REC) and in situ-forming gel: a multicentre, prospective, double blind, randomised, controlled trial'

Long-term follow-up study after 'Treatment of lumbar canal stenosis with a combination of ultra-purified, allogenic, bone marrow-derived, mesenchymal stem cells (REC) and in situ-forming gel: a multicentre, prospective, double blind, randomised, controlled trial'

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT1010230005
Enrollment
45
Registered
2023-04-29
Start date
2023-05-09
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

Combined lumbar canal stenosis

Interventions

None listed

Sponsors

Hideki Sudo
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Willingness to provide written informed consent, fill in all necessary questionnaires, and return for follow-up.

Exclusion criteria

Exclusion criteria: Any other reason judged by an investigator or clinical trial doctor that renders the candidate unsuitable for this clinical trial.

Design outcomes

Primary

MeasureTime frame
1)Safety Adverse events occurring from 48 weeks to 96 weeks after the surgical treatment will be summarized with laboratory tests used as a safety assessment. The incidence of adverse events undeniably related to the investigational product in the physician-initiated clinical trial will be evaluated in the REC-02-dMD-001 implantation group, the dMD-001 implantation group, and the herniaectomy group. 2)Effectiveness The respective pain scores (VAS) for low back pain and leg pain (for both the most painful leg and the contralateral leg) [5] and MRI imaging assessment (modified Pfirrmann classification, disc height index (DHI), T1 mapping, T2* mapping, DWI) will be conducted.

Secondary

MeasureTime frame
1) JOA score 2) SF-36 3) ODI 4) RDQ 5) JOABPEQ 6) Zurich Lameness Questionnaire

Contacts

Public ContactSudo Hideki

Hokkaido University Hospital

hidekisudo@yahoo.co.jp+81-11-706-5934

Outcome results

None listed

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