Skip to content

Effect of Laser Acupuncture on Constipation in Patients With Advanced Cancer

Effect of Laser Acupuncture on Constipation in Patients With Advanced Cancer: a Prospective Double-blind Randomized Controlled Trial

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04318808
Enrollment
40
Registered
2020-03-24
Start date
2020-03-30
Completion date
2022-08-30
Last updated
2026-08-20

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

Conditions

Advanced Cancer, Constipation

Keywords

Constipation, Acupuncture, Laser acupuncture, Advanced Cancer

Brief summary

Constipation is one of the most common complications in patients with advanced cancer. The aim of this protocol designed as a double-blind randomized controlled trial is to investigate the efficacy of laser acupuncture (LA) therapy on constipation in patients with advanced cancer.

Interventions

PROCEDURELaser acupuncture

Laser acupuncture is a non-invasive therapy that involves stimulation of traditional acupoints with low-intensity, non-thermal laser irradiation.

Sponsors

Chang Gung Memorial Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Outcomes Assessor)

Masking description

The participants in each group will receive real (with energy output) or sham (without energy output) laser acupuncture. The feelings of participants in each group are not different. The care provider and outcomes assessor don't involve the random allocation and don't know if participants receive real laser acupuncture.

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Aged 20 years or older * Principal diagnosis of advanced cancer * Diagnosis of constipation * Treat with laxatives for at least 1 week but still have symptoms of constipation

Exclusion criteria

* Intestinal obstruction * Disturbance of consciousness * Active gastrointestinal bleeding * Active intraabdominal infection * Local skin infection on the acupoints or limb amputees.

Design outcomes

Primary

MeasureTime frameDescription
Complete spontaneous bowel movements (CSBM)1 weekCSBM is defined as an spontaneous bowel movements associated with a sensation of complete evacuation. The number of CSBM within one week will be recorded.

Secondary

MeasureTime frameDescription
Comfort levels during defecation1 weekEstimated using a 10-cm visual analogue scale with anchor points of 0 (no discomfort) and 10 (maximum discomfort).
Symptoms of constipation1 weekA five-symptoms questionnaire for measuring the severity of constipation including straining during defecation, abdominal pain during defecation, hard stools, sensation of incomplete evacuation, and sensation of anorectal obstruction or blockage. Each item is rated on a four point Likert scale that ranges from severe symptom (4 points) to no symptom (1 point).
Colonic motility1 weekMeasured by auscultation of the lower right abdomen with a stethoscope.

Countries

Taiwan

Contacts

PRINCIPAL_INVESTIGATORChun-Ting Liu, MD

Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 21, 2026