RESEARCH / PARTICIPATIONBack to the library
← Find a study
Recruiting · registry status

Marjoram tea and blood markers in Parkinson's

A pilot study investigates whether marjoram tea changes markers of cell stress in blood. Benefits for symptoms are not established.

Testing a treatment or activity · Study reference: PACTR202205801626909

Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓

This registry record was last updated over six months ago, or its update date is missing. Recruitment may have changed. Confirm with the team before making plans.

Open the official registry record ↗

Follow this study

Looking for volunteers

Start (reported date)
2022-05-09

Planned dates can move. A study finishing does not tell us when a paper will be published.

No results summary has been confirmed in the registry records we imported. See connected papers below; we keep checking after recruitment ends.

Changes we have recorded
  • 2026-10-11 — recruiting

These are dates we observed a change, not necessarily the dates it happened.

Papers connected to this study

Effect of Origanum majorana tea on oxidative stress biomarkers in Parkinson's disease: a randomized placebo-controlled pilot study.
This paper mentions the study ID; the relationship needs review · 2025

Who can join?

Ages 18 year(s) to 44 year(s) · Ask the team who can join

These are starting points, not the full rules. The research team can tell you whether the study is right for your situation.

Read all the rules for taking part

Sex eligibility reported by registry: both

Inclusion criteria: .Age of 40–80 years old .Diagnosis of PD MDS criteria 2015 .Hoehn and Yahr stage less than 4 .Treatment with dose and regimen unchanged for at least 12 weeks prior to screening .No nutritional supplements intake Exclusion criteria: The absence during the second visit (ie; Day31 of the study) The non-consumption of the Omt or the placebo tea at least one time. Patients had a history of cardiovascular disease, diabetes, renal dysfunction, asthma, food allergies, liver or major gastrointestinal problems or hypertension.
Full study name & original research details

Official study title

Randomized, Placebo-Controlled Pilot Study of Origanum majorana Tea on Oxidant/Antioxidant Stress Biomarkers in Parkinson Idiopathic disorder North-African Patients Volunteers

Short title used by the registry

Pilot Study of Origanum majoranaTea on Oxidant/Antioxidant Stress Biomarkers in Parkinson disorder North-African Volunteers

Original description

Intervention: ;Experimental Group;Control group Primary outcome: SOD Secondary outcome: Catalase ,Carbonylated proteins and Uric acid

Conditions reported: Nervous System Diseases Nutritional, Metabolic, Endocrine;Nervous System Diseases;Nutritional, Metabolic, Endocrine

Registry records for this study

Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.

Study type
Interventional
Interventions
;Experimental Group;Control group
Phases
Phase-2
Sponsor
Metabolic Biophysics Applied Pharmacology Laboratory
Start date reported by registry
2022-05-09 (reported)

Registry updated: Not reported · Status last verified by the registry submitter: Not reported

Registry records retrieved 2026-10-12 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.

Contact the research team

Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.

Chahra Chbili · +21693645001 · chahrachbili@yahoo.fr

Study locations

Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.

Facility not reported

Tunisia

Status not reported

The original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.