Kitchen spices put to the test for knee pain relief

NCT ID NCT07571772

Completed Symptom relief Sponsor: Ercan Bakır Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tested whether applying a hot compress with black seed or ginger essential oil to the knees for 7 days could reduce pain and improve satisfaction in people with knee osteoarthritis. 120 adults with moderate knee OA were split into four groups: ginger oil plus heat, black seed oil plus heat, heat only, or routine care. Pain and function were measured before and after the week-long treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Black seed (Nigella sativa) essential oil and ginger (Zingiber officinale) essential oil applied topically with hot compress
What this could lead to: If it works, this could offer a simple, natural home remedy to temporarily ease knee pain and stiffness without medication.
What could go wrong: This is a small, short-term study (7 days) with no blinding for the control group, so results may be influenced by placebo effects. It does not test long-term safety or effectiveness.

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Conditions

The condition(s) this trial relates to.

osteoarthritis osteoarthritis, knee Pain Personal Satisfaction

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OSTEOARTHRITIS, KNEE PAIN

Contacts and locations

Locations

Ercan Bakır

Erzurum, Yakutiye, Turkey (Türkiye)

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