Comparison of patient reported outcome measures between transforaminal and interlaminar endoscopic discectomy in treating patient with paracentral type disc herniation : a randomized controlled trial

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

TCTR

Registry ID

TCTR20201216003

Enrollment

Unknown

Registered

2020-12-16

Start date

2019-12-01

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

paracentral type lumbar disc herniation

Interventions

1.Under lacal anesthesia 2.Needle placement 3.Discography 4.Disecectomy 5.Dilator>working sleeve 6.Discectomy 7.Local steroid 8.Closure,1.Under general anesthesia 2.Locate interlaminar space 3.Dilator

Active Comparator Procedure/Surgery,Experimental Procedure/Surgery

Transforaminal Endoscopic Lumbar Discectomy(TELD),Interlaminar Endoscopic Lunbar Discectomy(IELD)

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Single level herniation 2.Paracentral type lumbar disc herniation

Exclusion criteria

Exclusion criteria: 1.L5/S1 herniation 2.Recurrent herniation 3.Disc calcification 4.Accompanied by instability

Design outcomes

Primary

Measure	Time frame
The Oswestry low back pain disability questionnaire 1 year Oswestry Disability Index (ODI) score	—

Secondary

Measure	Time frame
Pain intensity 1 year Visual analog scale (VAS) of pain score,Patient satisfaction 1 year Modified MacNab criteria score,The operative time 1 year minute,Radiation time 1 year minute,Hospital stay 1 year day,Returned-to-work time 1 year day,Complication 1 year number of event	—

Countries

Thailand

Contacts

Public ContactVit Kotheeranurak

The Thai Red Cross Society

vitoto37@gmail.com+6638320200

Outcome results

None listed

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