Silica (Silicon) trials recruiting now

1 registration that name silica as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

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Status

All 1 registrations

Not yet recruitingNCT07842978

Clinical Study Examining the Control of Plaque and Gingivitis

  • Phase 3
  • Colgate Palmolive
  • About 135 people
  • Starts Oct 2026 (estimated)

In plain words A Phase 3 study of silica in people 18 to 70, run by Colgate Palmolive. It plans to enroll about 135 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 to 70; healthy volunteers accepted. Conditions: Gingivitis.

  • Subjects, ages 18-70, inclusive.
  • Availability for the six-month duration of the clinical research study.
  • Good general health.
  • Minimum of 20 uncrowned permanent natural teeth (excluding third molars).

3 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

Silica Free Meridol; Meridol; Colgate Dental Product

Registered summary

The objective of this six-month clinical investigation is to evaluate the efficacy of a silica-free meridol toothpaste versus Colgate Cavity Protection Toothpaste in the control of established dental plaque and gingivitis.

Where, as registered

No US site; China (1).

ClinicalTrials.gov lists 53 open registrations for this search, including ones where silica is not a study arm or that are past the 1 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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