The effect of phytoestrogens on symptoms of premenstrual syndrome (PMS) and cognitive performance

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN94691299

Enrollment

Registered

2003-09-12

Start date

2002-04-01

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Urological and Genital Diseases: Premenstrual syndrome (PMS) Urological and Genital Diseases Premenstrual syndrome (PMS)

Interventions

Questionnaire. Randomised controlled trial. Random allocation to: 1. Supplementation with phytoestrogens 2. Placebo

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 50 premenstrual women - university based study of staff, student volunteers and women from surrounding areas within Yorkshire.

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

Measure	Time frame
1. Mood questionnaires, urine and blood test. 2. Cognitive function tests.	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026