NCT03819062

Brief Summary

The objective of this study is to study if low level laser therapy will do more good than harm for patients with severe chronic refractory constipation. It is a proof of concept study without a placebo arm.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
8mo left

Started Sep 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress91%
Sep 2019Feb 2027

First Submitted

Initial submission to the registry

January 16, 2019

Completed
12 days until next milestone

First Posted

Study publicly available on registry

January 28, 2019

Completed
7 months until next milestone

Study Start

First participant enrolled

September 8, 2019

Completed
5.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2025

Completed
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2027

Expected
Last Updated

April 5, 2022

Status Verified

April 1, 2022

Enrollment Period

5.4 years

First QC Date

January 16, 2019

Last Update Submit

April 4, 2022

Conditions

Keywords

Constipationspinal cord injuryback painHigh-Resolution Colonic ManometryAnorectal Manometry

Outcome Measures

Primary Outcomes (1)

  • Change in number of bowel movements/week

    (significance level P\<0.05 comparing before and after).

    12 weeks

Secondary Outcomes (7)

  • Change in symptoms using the questionnaire PAC-SYM

    4 weeks

  • Change in symptoms using the questionnaire PAC-SYM

    12 weeks

  • Change in quality of life assessed by questionnaire PAC-QOL

    4 weeks

  • Change in quality of life assessed by questionnaire PAC-QOL

    12 weeks

  • Autonomic function assessment

    4 weeks

  • +2 more secondary outcomes

Study Arms (1)

Refractory Constipation with LLLT

EXPERIMENTAL

Low level laser therapy (LLLT) will be administered to patients with severe refractory chronic constipation

Device: Low Level Laser Therapy

Interventions

A 3 week treatment period with 8 treatment sessions in total.

Also known as: Sacral Neuromodulation, Photobiomodulation
Refractory Constipation with LLLT

Eligibility Criteria

Age6 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with severe chronic refractory constipation
  • Must have undergone high resolution colonic manometry that shows abnormal coordination between colonic motility and ano-rectal function.

You may not qualify if:

  • Pregnant patients
  • Known malignancies in the area of treatment
  • Active bleeding in area of treatment
  • Active deep vein thrombosis
  • When tatoos are present at area of treatment
  • Patients that are light sensitive
  • Patients who take NSAIDS or steroids.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

McMaster University

Hamilton, Ontario, L8N3Z5, Canada

RECRUITING

Related Publications (2)

  • Marquis P, De La Loge C, Dubois D, McDermott A, Chassany O. Development and validation of the Patient Assessment of Constipation Quality of Life questionnaire. Scand J Gastroenterol. 2005 May;40(5):540-51. doi: 10.1080/00365520510012208.

    PMID: 16036506BACKGROUND
  • Saito YA, Camilleri M. Editorial: patient assessment of constipation-symptoms (PAC-SYM) questionnaire has a minimal important difference. Aliment Pharmacol Ther. 2018 Jan;47(1):138-139. doi: 10.1111/apt.14389. No abstract available.

    PMID: 29226416BACKGROUND

MeSH Terms

Conditions

ConstipationSpinal Cord InjuriesBack Pain

Interventions

Low-Level Light Therapy

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsSpinal Cord DiseasesCentral Nervous System DiseasesNervous System DiseasesTrauma, Nervous SystemWounds and InjuriesPainNeurologic Manifestations

Intervention Hierarchy (Ancestors)

Laser TherapyTherapeuticsPhototherapy

Study Officials

  • Jihong Chen, MD PhD

    McMaster University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Jihong Chen, MD PhD

CONTACT

Jan D Huizinga, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: proof of concept
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

January 16, 2019

First Posted

January 28, 2019

Study Start

September 8, 2019

Primary Completion

February 1, 2025

Study Completion (Estimated)

February 1, 2027

Last Updated

April 5, 2022

Record last verified: 2022-04

Locations