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Phase I/II clinical trial of NZ-C1909

Phase I/II clinical trial of NZ-C1909 in patients requiring lumbar interbody fusion

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031220509
Enrollment
24
Registered
2022-12-14
Start date
2022-12-22
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

Degenerative lumbar diseases

Interventions

A lumbar interbody fusion is performed by filled NZ-C1909 or autologous bone into the spinal cage.

Sponsors

Okawa Atsushi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with back pain or leg pain due to lumbar degenerative disease and who are candidates for lumbar interbody fusion of single level. 2) Patients whose skeleton is sufficiently mature. 3) Patients who are at least 18 years of age at the time of consent, who are men and postmenopausal women (including menopause due to ovariectomy). 4) Patients who have been fully informed of the details of this clinical trial and have obtained their written consent.

Exclusion criteria

Exclusion criteria: 1) Patients who have a history of spinal fusion surgery at the surgical site. 2) Patients with presence or history of malignancy. 3) Patients with autoimmune diseases. 4) Patients with active systemic infection or infection at the planned surgical site. 5) Patients with BMI >=30. 6)Patients with a history of smoking (including e-cigarettes) within 12 weeks of the date of consent. 7) Patients with the uncontrolled diabetes mellitus. 8)Patients with endocrine disorders or metabolic disorders known to affect bone metabolism. 9) Patients with a history of spinal surgery within the past 12 weeks from the date of surgery. 10) Patients who have administered drugs that may affect bone fusion within the past 4 weeks from the date of surgery. 11) Male patients whose partners wish to become pregnant or who are unable to use adequate contraception during the clinical trial period.

Design outcomes

Primary

MeasureTime frame
Bone fusion by CT imaging evaluation at 52 weeks after surgery.

Secondary

MeasureTime frame
1) Bone fusion by CT imaging evaluation at 12, 26, and 52 weeks after surgery. 2) Bone fusion by radiographic evaluation at 12, 18, 26, 39, and 52 weeks after surgery. 3) Change from baseline in VAS of back pain or and leg pain due to degenerative lumbar disease at 6, 12, 18, 26, 39, and 52 weeks after surgery. 4) Change from baseline in ODI at 6, 12, 18, 26, 39, and 52 weeks after surgery. 5) Change from baseline in JOABPEQ at 6, 12, 18, 26, 39, and 52 weeks after surgery. 6) Change from baseline in EQ-5D-5L at 6, 12, 18, 26, 39, and 52 weeks after surgery.

Contacts

Public ContactYoshitaka Fukushima

Nippon Zoki Pharmaceutical Co. , Ltd.

clindev_nzc1909@nippon-zoki.co.jp+81-6-6203-0454

Outcome results

None listed

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