NCT03060434

Brief Summary

The objective of this prospective controlled crossover study is to evaluate the efficacy and safety of pentoxifylline per os (800 mg daily) in the management of lumbar radiculopathy

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
67

participants targeted

Target at P25-P50 for phase_4

Timeline
7mo left

Started Jun 2018

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress93%
Jun 2018Dec 2026

First Submitted

Initial submission to the registry

February 18, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

February 23, 2017

Completed
1.3 years until next milestone

Study Start

First participant enrolled

June 1, 2018

Completed
4.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2022

Completed
4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Expected
Last Updated

May 21, 2025

Status Verified

May 1, 2025

Enrollment Period

4.5 years

First QC Date

February 18, 2017

Last Update Submit

May 18, 2025

Conditions

Keywords

pentoxifyllineDisc herniasciaticalumbar radiculopathy

Outcome Measures

Primary Outcomes (1)

  • Numerical rating scale (NRS)

    Pain assessment by NRS

    At day 15 (and Day 30)

Secondary Outcomes (2)

  • Patient global impression of improvement scale

    day 15 and 30

  • Side effects

    Day 15 and 30

Study Arms (2)

Control

ACTIVE COMPARATOR

Ibuprofen

Drug: Ibuprofen

Pentoxifylline

EXPERIMENTAL

Pentoxifylline oral tablets

Drug: Pentoxifylline Oral Tablet

Interventions

patient will receive for 15 days: Ibuprofen 600 mg bid; pregabalin 75 mg bid; paracetamol 1 g tid; pentoxifylline 400 mg bid

Also known as: Ibuprofen, Paracetamol, pregabalin
Pentoxifylline

patient will receive for 15 days: Ibuprofen 600 mg bid; pregabalin 75 mg bid; paracetamol 1 g tid

Also known as: Paracetamol, pregabalin
Control

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Unilateral lumbar radiculopathy
  • Disc hernia confirming the diagnosis with radio-clinical concordance

You may not qualify if:

  • Radicular deficit needing surgery
  • Cauda equine syndrome
  • Absence of radio-clinical concordance on MRI
  • Contraindication for anti-inflammatory (Hypertension, renal insufficiency, gastric ulcer …)
  • Previous intolerance to pentoxifylline, and/or to pregabalin and/or paracetamol
  • Pregnancy
  • Follow-up not possible
  • Hepatic dysfunction
  • History of drug abuse
  • Current use of tramadol, codeine and/or morphine and its derivative
  • Antidepressant use

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hotel Dieu de France Hospital

Beirut, 16 6830, Lebanon

Location

MeSH Terms

Conditions

RadiculopathyIntervertebral Disc DisplacementIntervertebral disc diseaseSciatica

Interventions

PentoxifyllineIbuprofenAcetaminophenPregabalin

Condition Hierarchy (Ancestors)

Peripheral Nervous System DiseasesNeuromuscular DiseasesNervous System DiseasesSpinal DiseasesBone DiseasesMusculoskeletal DiseasesHerniaPathological Conditions, AnatomicalPathological Conditions, Signs and SymptomsSciatic NeuropathyMononeuropathiesNeuralgiaPainNeurologic ManifestationsSigns and Symptoms

Intervention Hierarchy (Ancestors)

TheobromineXanthinesPurinonesPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsPhenylpropionatesAcids, CarbocyclicCarboxylic AcidsOrganic ChemicalsAcetanilidesAnilidesAmidesAniline CompoundsAminesgamma-Aminobutyric AcidAminobutyratesButyratesAcids, AcyclicAmino AcidsAmino Acids, Peptides, and Proteins

Study Officials

  • Joseph Maarrawi, MD, PhD

    Hotel Dieu de France Hospital - Beirut, Lebanon, 16 6830

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The assessor and the investigator are unaware of the sequence of the 15 days treatment with pentoxifylline
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: Each patient will receive for 1 month: Ibuprofen 600 mg bid; Paracetamol 1g tid if needed; pregabalin 75 mg bid pentoxifylline 400 mg bid will be added for either the first or second 15 days (randomization)
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor : Researcher - Pain Specialist - Neurosurgeon

Study Record Dates

First Submitted

February 18, 2017

First Posted

February 23, 2017

Study Start

June 1, 2018

Primary Completion

December 1, 2022

Study Completion (Estimated)

December 1, 2026

Last Updated

May 21, 2025

Record last verified: 2025-05

Data Sharing

IPD Sharing
Will not share

Locations