Treatment expectations of patients undergoing knee surgery

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00035054

Enrollment

200

Registered

2025-07-08

Start date

2025-08-13

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

patients undergoing knee surgery

Interventions

Group 1: Patients undergoing knee surgery The following assessments and measurements are carried out as part of this study: -Screening (7 days before surgery) -->Informed consent, verification of fulf

SETS

SBI

ASES

own expectations questionnaire) -Postoperative (2 and 4 days post-op) -->Postoperative parameters by means of specific questionnaires (treatment expectations

own expectations questionnaire) -Follow-up (3 months post-op)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients underging knee surgery at the university clinic Hamburg Eppendorf, sufficient proficiency in German

Exclusion criteria

Exclusion criteria: Patients suffering from cancer or malignant tumors or other incurable/serious illnesses or whose illnesses require special causal medical or drug treatment significant cognitive impairment or dementia insufficient knowledge of German, patient* cannot give consent (e.g. incompliance or dementia), suffering from severe psychiatric disorders (e.g. schizophrenia) or who have been diagnosed with drug abuse including regular use of opioids (exceptions are ICD-10 diagnosis F45.41: Chronic pain disorder with somatic pain disorder with somatic pain disorder). schizophrenia) or who have been diagnosed with substance abuse including regular use of opioids (exceptions are ICD-10 diagnosis F45.41: Chronic pain disorder with somatic and psychological factors, or pain-related depressive or anxiety disorders, mild to moderate, such as ICD-10 F diagnoses F32.0, F32.1, or temporary opioid use to bridge the time interval until surgery)

Design outcomes

Primary

Measure	Time frame
Difference score pre-postoperative of pain on a numerical rating scale (NRS) 0-10 (0 = no pain, 10 = the worst pain imaginable)	—

Secondary

Measure	Time frame
Treatment expectancies Questionnaires: SETS; SBI; ASES; own expectancies questionnaire Survey dates: pre-operational, 2 &4 days post operational, Follow Up (3 months post OP)	—

Countries

Germany

Contacts

Public ContactRegine klinger

Bereich Schmerzmedizin und SchmerzpsychologieUniversitätsklinikum Hamburg-Eppendorf (UKE)?Zentrum für Anästhesiologie und Intensivmedizin?Klinik und Poliklinik für Anästhesiologie

r.klinger@uke.de+49152 22824387

Outcome results

None listed

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