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How are the phases of and symptoms during the menstrual cycle related to subjective knee stability after anterior cruciate ligament reconstruction ?

How are the phases of and symptoms during the menstrual cycle related to subjective knee stability after anterior cruciate ligament reconstruction ? - PhaMenK

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00035396
Enrollment
15
Registered
2024-10-31
Start date
2024-11-01
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

S83.53

Interventions

Group 1: Cohort study. Women aged 16 to 45 years with unilateral reconstruction following complete rupture of the anterior cruciate ligament (ACL) and arthroscopic reconstruction of the ACL rupture us

Sponsors

Goethe-Universität Frankfurt
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
16 Years to 45 Years

Inclusion criteria

Inclusion criteria: Status post unilateral reconstruction following complete rupture of the anterior cruciate ligament (ACL) and arthroscopic ACL reconstruction using a tendon graft. Participants have full legal capacity and understand the nature, scope, significance, and consequences of the study. Participants will be included in the study at the point when they are allowed to increase loading on the affected leg, marking the start of the intensified phase of physical therapy/rehabilitation (typically 8 to 12 weeks after surgery).

Exclusion criteria

Exclusion criteria: No natural menstrual cycle, use of contraceptives Irregular menstrual cycle (cycle length less than 21 days or more than 35 days) Diagnosed gynecological pathologies (e.g., endometriosis, polycystic ovary syndrome) Pregnancy Severe secondary or associated injuries, regardless of location Secondary or associated injuries on the non-ACL-ruptured side No indication for surgery (conservative treatment)

Design outcomes

Primary

MeasureTime frame
Self-report subjective knee stability, psychological readiness to return to sport (ACL-RSI-questionnaier, sum score)

Secondary

MeasureTime frame
- Knee symptoms (“Knee Injury and Osteoarthritis Outcome Score” (KOOS), Symptoms subscale) - Phases and symptoms of the menstrual cycle - Amounts and standards of rehabilitation and training measures

Countries

Germany

Contacts

Public ContactDaniel Niederer

Goethe-Universität Frankfurt

niederer@med.uni-frankfurt.de00496979824581

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026