Formulation and evaluation of the antimicrobial efficacy of a novel alcohol based and a novel non-alcohol based hand scrub with medicinal plant extracts against a commercial preparation – A Randomized Controlled Trial

Formulation and evaluation of the antimicrobial efficacy of novel alcohol based and non-alcohol based natural hand scrubs with medicinal plant extracts

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

SLCTR

Registry ID

SLCTR/2019/016

Enrollment

Unknown

Registered

2019-04-22

Start date

2019-04-22

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Hand Hygiene

Interventions

Study setting – Department of Bacteriology in Medical Research Institute, Colombo 08. Negative control - Water Positive control – Selected commercially available product Alcohol based hand scrubs

Eligibility

Inclusion criteria

Inclusion criteria: • Healthy human volunteers • Both men and women • Age 18 years and above

Exclusion criteria

Exclusion criteria: • Participants who have allergies, eczema and other skin conditions (wounds)

Design outcomes

Primary

Measure	Time frame
Antimicrobial efficacy measured by counting the number of microbial colonies using a colony counter [24 hours after applying the formula/control]	—

Secondary

Measure	Time frame
Participants’ skin compatibility measured by a self-administered questionnaire [10-15 minutes following application of the formula/control.]	—

Countries

Sri Lanka

Contacts

Public ContactShanika Karunanayaka

Lecturer (Probationary)

svkshani@gmail.com, vindyakarunanayaka@ahs.ruh.ac.lk0912232896

Outcome results

None listed

Source: SLCTR (via WHO ICTRP) · Data processed: Aug 9, 2026