Millimeter Wave Therapy (MWT) for Analgesia After Total Knee Replacement

Millimeter Wave Therapy (MWT) Versus Placebo for Analgesia and Wound Healing After Elective Total Knee Arthroplasty - a Randomized Controlled Trial

Status

Completed

Phases

Phase 2Phase 3

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00233831

Enrollment

Registered

2005-10-06

Start date

2004-03-31

Completion date

2007-10-31

Last updated

2011-02-28

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

Conditions

Acute Pain, Pain

Keywords

Postoperative pain, analgesia, total knee arthroplasty

Brief summary

The aim of the study was to test whether the exposure to electromagnetic millimeter waves - Millimeter Wave Therapy (MWT) is effective for relief of acute postoperative pain in patients after elective unilateral total knee arthroplasty (TKA)

Interventions

DEVICEGenerator of electromagnetic millimeter waves

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

DOUBLE

Eligibility

Sex/Gender

ALL

Age

35 Years to 80 Years

Healthy volunteers

Inclusion criteria

* patients with an American Society of Anesthesiologists physical status of II or III scheduled for elective TKA * without previous opioid medication * patients 35-80 years old able to use PCA pumps and Visual Analogue Scale for pain intensity measurement * patients who have signed consent form

Exclusion criteria

* pregnant or nursing females * recidivist alcoholics * extremely obese patients (body mass index \> 35) * inability to operate PCA-pump. * females with the history of unstable angina pectoris (s. Risks for participants) * patients who are unable to understand the consent form * systemic infection * history of psychiatric disease * necessity to change postoperative analgesic scheme for particular patient * severe intercurrent disease during the course of MWT

Design outcomes

Primary

Measure	Time frame
Total amount of weak opioid drug piritramide delivered via Patient-Controlled-Analgesia pump, registered daily until the 3rd postoperative day	—

Secondary

Measure	Time frame
Total amount of ibuprofen; pain intensity measured on VAS-100 twice a day; Insall knee function score; incidence of analgesia side-effects ; inflammation and wound healing parameters; credibility of patients' and research stuff blinding	—

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026