Ultrasonication-mediated Microbubbles Dressing for Hand Arthritis

Condition(s) studied

Investigational drug(s) / intervention(s)

ultrasonication-mediated microbubbles dressing: The microbubble suspension is diluted with normal saline to a concentration of 2x10\^7 bubbles/mL, applied to a gauze cloth, and covered on the joint skin surface. The joint is ultrasonicated for 3 minutes using an ultrasonic implanter (KUM-2000, NEO-TEC, Taipei, Taiwan), and then piroxicam gel is applied. The parameter values for ultrasonication are duty cycle 0.5, Tempo 10, intensity 70%, and time 3 min. This treatment is performed on day 1, 3, and 5.

ultrasonication using pure gel: The joint is ultrasonicated for 3 minutes using an ultrasonic implanter (KUM-2000, NEO-TEC, Taipei, Taiwan) with pure gel, and then piroxicam gel is applied. The parameter values for ultrasonication are duty cycle 0.5, Tempo 10, intensity 70%, and time 3 min. This treatment is performed on day 1, 3, and 5.

Study summary

The goal of this clinical trial is to learn if ultrasonication-mediated microbubbles dressing works to treat hand arthritis in adults. It will also learn about the safety of ultrasonication-mediated microbubbles dressing. The main questions it aims to answer are:

Does ultrasonication-mediated microbubbles dressing increase the therapeutic efficacy of piroxicam gel for hand arthritis?

Researchers will compare "ultrasonication-mediated microbubbles dressing + piroxicam gel " to "ultrasonication + piroxicam gel" and "piroxicam gel alone" to see if ultrasonication-mediated microbubbles dressing works to treat hand arthritis.

Participants will:

Take "ultrasonication-mediated microbubbles dressing (day 1,3,5) + piroxicam gel (day 2,4,6,7) ", "ultrasonication (day 1,3,5) + piroxicam gel (day 2.4.6.7)", and "piroxicam gel alone (day 1-7)" for 1 week.

Visit the clinic on day 1 and day 8 for checkups and tests Keep a diary of their symptoms

Eligibility

Primary outcome measure(s)

• Clinical response — day 8
  A decrease in pain visual analogue scale (VAS) score of ≥2 on day 8 relative to day 1, or an absolute VAS score of ≤1 on day 8. \[Pain VAS score range: 0-10, higher scores mean a worse outcome\]
• B-mode response — day 8
  A ≥20% decrease in synovial area on day 8 relative to day 1
• Conventional power Doppler (PD) response — day 8
  A ≥20% decrease in synovial PD area on day 8 relative to day 1 on conventional PD image

Trial sites (1)

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