Warm Needle Acupuncture vs Needle Acupuncture

L

London South Bank University

Status

Unknown

Conditions

Osteoarthritis, Knee

Treatments

Device: Needle acupuncture
Device: Warm needle acupuncture

Study type

Interventional

Funder types

Other

Identifiers

NCT02680912
6505

Details and patient eligibility

About

This is a two-armed randomised controlled pilot study that investigates the component efficacy of moxibustion for osteoarthritis of the knee. Participants will be randomised to receive either warm needle acupuncture or needle acupuncture. Participants and acupuncturists will be blinded to group allocation. The primary and secondary outcome measures are WOMAC and SF36 respectively. Qualitative interviews will be used to gather information on the patients' experiences and perceptions of the trial and the treatment provided. It is hypothesised that warm needle acupuncture will lead to a greater reduction in clinical signs and symptoms than needle acupuncture.

Full description

Acupuncture Treatment All participants will receive acupuncture. Only points local to the knee will be used. There will be 4-6 points used per knee, therefore 8 -12 needles per treatment. A record will be kept of the points used at each treatment. Both knees will be treated even if only one knee is painful. This will ensure that participants receive similar treatments. Patients will be treated seated, as this allows better access to the relevant acupuncture points. It also helps ensure the moxibustion is carried out safely. Participants will receive 8 treatments in the first 4 weeks (twice a week), then 4 treatments in 4 weeks (once a week). Blinding procedures The only difference in the procedures will be that lit cones are placed on the needles of the treatment group whilst unlit moxa cones will be placed on the needles of the control group. Smokeless moxa will be used. All patients will see the needles being inserted and the moxa cones placed on the needles by the acupuncturist. Skin guards will be placed at the base of the needle to reduce the immediate sense of heat on the surface of the skin. Similar skin guards are routinely used in acupuncture treatment to prevent any discomfort. The acupuncturist will carry out a consultation at each session as per normal practice. After the needles have been inserted and the moxa cones have been placed on needles the acupuncturist leaves and an assistant acupuncturist enters the room. The assistant acupuncturist will place a screen in front of the patient to prevent them from seeing their knees. The assistant acupuncturist will then remove one cone at a time and light it. In the treatment group the lit cone is placed on the needle. In the control group the lit cone is place in a small dish close to the knee, a replacement unlit cone is placed on the needle. This process is repeated until all the cones are lit. The unlit cone is replaced on the needle of the control group to try and ensure they experience the same sensations as the treatment group. The use of a second acupuncturist to light the moxa ensures that the acupuncturist who carries out the consultation and inserts the needles is blinded to group allocation.

Enrollment

14 patients

Sex

All

Ages

40+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Chronic pain in at least one knee joint during the last six months.
  • At baseline the WOMAC pain score must be ≥ 3 points (on a scale of 0-10)

In addition to the knee pain at least 3 of the following 6 must be present:

  • Age > 50 years
  • Stiffness < 30 minutes
  • Crepitus
  • Bony Tenderness
  • Bony enlargement
  • No palpable warmth

(ACR 2013)

Plus

  • Ability to speak English
  • Signed consent form

Exclusion criteria

  • A systemic disease of the musculoskeletal system.
  • Bone tumour, bone tumour like lesions or metastasis.
  • Bone fracture in the lower extremities during the last three months.
  • Acute infection or osteonecrosis in the knee joint.
  • Recent sprain injury to the knee joint.
  • Surgery of the afflicted extremity during the last six months or planned surgery.
  • Ongoing cortico-steroid therapy or cortisone injections in the past six weeks.
  • Taking anti-coagulant medication.
  • Coagulopathy.
  • Other pain condition that compels the patient to take analgesics for more than three days during the last four weeks.
  • Addiction to analgesics, opiate or other drugs.
  • Acupuncture treatment in the past 3 months.
  • Dermatological disease within the acupuncture area impairing acupuncture treatment.
  • Pregnant or breast-feeding patients.
  • Inability to follow instructions or understand the consent form (insufficient command of language, dementia).
  • Participation in another clinical study.
  • Ongoing legal proceedings concerning degree of disability.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

14 participants in 2 patient groups

Warm needle acupuncture
Experimental group
Description:
Warm needle acupuncture (wenzhen; 温针) is where moxa cones are placed on the handle of the needle, after the needle has been inserted. Once lit, heat transmits along the shaft of the needle to the acupuncture point. Moxa refers to the herb mugwort (Artemisia vulgaris) that is burnt to warm specific parts of the body, including acupuncture points.
Treatment:
Device: Warm needle acupuncture
Basic needle acupuncture
Active Comparator group
Description:
Basic needle acupuncture is the use of acupuncture needles alone, without other methods of stimulation.
Treatment:
Device: Needle acupuncture

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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