Comparison clinical outcomes between Ipsilateral and Alternate-lateral Biportal endoscopic decompression for lumbar spinal stenosis

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20240625001

Enrollment

Registered

2024-06-25

Start date

2022-06-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Patient who had diagnosed by clinical examination and magnetic resonance imaging identified that lumbar spinal stenosis two to three adjacent level Spinal stenosis

Interventions

alternate approach is classified that procedure was working not the same side for each level of spinal canal pathology but, they can be decompression by bilateral decompress neural element in this tec

Experimental Procedure/Surgery,Active Comparator Procedure/Surgery

Alternate approach biportal endoscopic decompression in two to three adjacent lumbar spinal stenosis ,Ipsilateral approach biportal endoscopic decompression in two to three adjacent lumbar spinal sten

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1.Age > 18 years old 2.Two to three adjacent levels in lumbar spinal stenosis patients 3.Low grade spondylolisthesis with lumbar spinal stenosis 4.Failed conservative for at least 3 months 5.Moderate to severe stenosis

Exclusion criteria

Exclusion criteria: 1.Lumbar spinal stenosis patients who have indicated for decompression with fusion and/or instrumentation 1.1Clinical or Radiographic instability 1.2High grade spondylolisthesis 1.3Revision decompression 1.4Facet joint resection >50% 2.Lumbar spinal stenosis patients who have causing from spinal metastasis, spinal tumor, or spinal infection 3.Double crush syndrome 4.Involuntary patients due to concern about risks of surgery, complications after surgery, financial problems, and including of subject withdrawal

Design outcomes

Primary

Measure	Time frame
Oswestry disability index, Final modfied macnab criteria Post-op immediately, post-op 2 weeks, 4 weeks, 3 months, 6 months, 1 year Generalized estimating equation, %, disability index	—

Secondary

Measure	Time frame
visual analog scale, operation time, blood loss, Post op immediately, 2 weeks, 4 weeks, 3 months, 6 months, 1 year Generalized estimating equation , points , minutes, milliliters	—

Countries

Thailand

Contacts

Public ContactPhanurut Kaewpornmongkol

Faculty of Medicine, Srinakharinwirot University

pkaewpornmongkol@gmail.com0863560097

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026