NCT02083835

Brief Summary

PAIN OUT is a multi-national, non-interventional registry and benchmark project, assessing and analysing clinical and patient-reported outcome data of postoperative pain.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
200,000

participants targeted

Target at P75+ for all trials

Timeline
57mo left

Started Jan 2009

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress79%
Jan 2009Dec 2030

Study Start

First participant enrolled

January 1, 2009

Completed
5.2 years until next milestone

First Submitted

Initial submission to the registry

March 3, 2014

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 11, 2014

Completed
16.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2030

Expected
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2030

Last Updated

May 6, 2026

Status Verified

April 1, 2026

Enrollment Period

21.9 years

First QC Date

March 3, 2014

Last Update Submit

April 30, 2026

Conditions

Keywords

post-operative painpaitent reported outcomesquality improvement

Outcome Measures

Primary Outcomes (1)

  • Assessment of postoperative pain treatment

    first postoperative day

Secondary Outcomes (1)

  • patients' perception of pain treatment outcome

    first postoperative day

Study Arms (2)

post-surgical patients

post-surgical patients \> 18 years

pediatric patients post-op day 1

pediatric patients \<18 years on post-op day 1 (sub-project QUIPSI - PAIN OUTinfant)

Eligibility Criteria

Age4 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

adult post-surgical patients in hospitals on post-op day 1

You may qualify if:

  • \>= 18 years or \>= 4 years for sub-project QUIPSI/PAIN OUTinfant
  • patient is post-op day 1
  • patient is at least 6 hours on the ward
  • patient has given consent

You may not qualify if:

  • patient cannot communicate
  • patient is cognitively impaired
  • patient is asleep
  • patient is too ill
  • patient does not want to fill in the questionnaire

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jena University Hospital

Jena, 07747, Germany

RECRUITING

Related Publications (23)

  • Gerbershagen HJ, Pogatzki-Zahn E, Aduckathil S, Peelen LM, Kappen TH, van Wijck AJ, Kalkman CJ, Meissner W. Procedure-specific risk factor analysis for the development of severe postoperative pain. Anesthesiology. 2014 May;120(5):1237-45. doi: 10.1097/ALN.0000000000000108.

  • Rothaug J, Zaslansky R, Schwenkglenks M, Komann M, Allvin R, Backstrom R, Brill S, Buchholz I, Engel C, Fletcher D, Fodor L, Funk P, Gerbershagen HJ, Gordon DB, Konrad C, Kopf A, Leykin Y, Pogatzki-Zahn E, Puig M, Rawal N, Taylor RS, Ullrich K, Volk T, Yahiaoui-Doktor M, Meissner W. Patients' perception of postoperative pain management: validation of the International Pain Outcomes (IPO) questionnaire. J Pain. 2013 Nov;14(11):1361-70. doi: 10.1016/j.jpain.2013.05.016. Epub 2013 Sep 7.

  • Gerbershagen HJ, Aduckathil S, van Wijck AJ, Peelen LM, Kalkman CJ, Meissner W. Pain intensity on the first day after surgery: a prospective cohort study comparing 179 surgical procedures. Anesthesiology. 2013 Apr;118(4):934-44. doi: 10.1097/ALN.0b013e31828866b3.

  • Gerbershagen HJ, Rothaug J, Kalkman CJ, Meissner W. Determination of moderate-to-severe postoperative pain on the numeric rating scale: a cut-off point analysis applying four different methods. Br J Anaesth. 2011 Oct;107(4):619-26. doi: 10.1093/bja/aer195. Epub 2011 Jun 30.

  • Rothaug J, Weiss T, Meissner W. How simple can it get? Measuring pain with NRS items or binary items. Clin J Pain. 2013 Mar;29(3):224-32. doi: 10.1097/AJP.0b013e31824c5d7a.

  • Taylor RS, Ullrich K, Regan S, Broussard C, Schwenkglenks M, Taylor RJ, Gordon DB, Zaslansky R, Meissner W, Rothaug J, Langford R; PAIN-OUT investigators. The impact of early postoperative pain on health-related quality of life. Pain Pract. 2013 Sep;13(7):515-23. doi: 10.1111/papr.12026. Epub 2012 Dec 23.

  • Zaslansky R, Chapman CR, Rothaug J, Backstrom R, Brill S, Davidson E, Elessi K, Fletcher D, Fodor L, Karanja E, Konrad C, Kopf A, Leykin Y, Lipman A, Puig M, Rawal N, Schug S, Ullrich K, Volk T, Meissner W. Feasibility of international data collection and feedback on post-operative pain data: proof of concept. Eur J Pain. 2012 Mar;16(3):430-8. doi: 10.1002/j.1532-2149.2011.00024.x. Epub 2011 Dec 19.

  • Zaslansky R, Rothaug J, Chapman CR, Backstrom R, Brill S, Fletcher D, Fodor L, Gordon DB, Komann M, Konrad C, Leykin Y, Pogatski-Zahn E, Puig MM, Rawal N, Ullrich K, Volk T, Meissner W. PAIN OUT: the making of an international acute pain registry. Eur J Pain. 2015 Apr;19(4):490-502. doi: 10.1002/ejp.571. Epub 2014 Aug 12.

  • Zaslansky R, Rothaug J, Chapman RC, Backstrom R, Brill S, Engel C, Fletcher D, Fodor L, Funk P, Gordon D, Komann M, Konrad C, Kopf A, Leykin Y, Pogatzki-Zahn E, Puig M, Rawal N, Schwenkglenks M, Taylor RS, Ullrich K, Volk T, Yahiaoui-Doktor M, Meissner W. PAIN OUT: an international acute pain registry supporting clinicians in decision making and in quality improvement activities. J Eval Clin Pract. 2014 Dec;20(6):1090-8. doi: 10.1111/jep.12205. Epub 2014 Jul 1.

  • Polanco-Garcia M, Garcia-Lopez J, Fabregas N, Meissner W, Puig MM; PAIN-OUT-Spain Consortium. Postoperative Pain Management in Spanish Hospitals: A Cohort Study Using the PAIN-OUT Registry. J Pain. 2017 Oct;18(10):1237-1252. doi: 10.1016/j.jpain.2017.05.006. Epub 2017 Jun 12.

  • Komann M, Weinmann C, Schwenkglenks M, Meissner W. Non-Pharmacological Methods and Post-Operative Pain Relief: An Observational Study. Anesth Pain Med. 2019 Apr 20;9(2):e84674. doi: 10.5812/aapm.84674. eCollection 2019 Apr.

  • Dubljanin Raspopovic E, Meissner W, Zaslansky R, Kadija M, Tomanovic Vujadinovic S, Tulic G. Associations between early postoperative pain outcome measures and late functional outcomes in patients after knee arthroplasty. PLoS One. 2021 Jul 28;16(7):e0253147. doi: 10.1371/journal.pone.0253147. eCollection 2021.

  • Garduno-Lopez AL, Acosta Nava VM, Castro Garces L, Rascon-Martinez DM, Cuellar-Guzman LF, Flores-Villanueva ME, Villegas-Sotelo E, Carrillo-Torres O, Vilchis-Samano H, Calderon-Vidal M, Islas-Lagunas G, Richard Chapman C, Komann M, Meissner W, Baumbach P, Zaslansky R. Towards Better Perioperative Pain Management in Mexico: A Study in a Network of Hospitals Using Quality Improvement Methods from PAIN OUT. J Pain Res. 2021 Feb 15;14:415-430. doi: 10.2147/JPR.S282850. eCollection 2021.

  • van Dijk JFM, Zaslansky R, van Boekel RLM, Cheuk-Alam JM, Baart SJ, Huygen FJPM, Rijsdijk M. Postoperative Pain and Age: A Retrospective Cohort Association Study. Anesthesiology. 2021 Dec 1;135(6):1104-1119. doi: 10.1097/ALN.0000000000004000.

  • van Driel MEC, van Dijk JFM, Baart SJ, Meissner W, Huygen FJPM, Rijsdijk M. Development and validation of a multivariable prediction model for early prediction of chronic postsurgical pain in adults: a prospective cohort study. Br J Anaesth. 2022 Sep;129(3):407-415. doi: 10.1016/j.bja.2022.04.030. Epub 2022 Jun 19.

  • Hofer DM, Lehmann T, Zaslansky R, Harnik M, Meissner W, Stuber F, Stamer UM. Rethinking the definition of chronic postsurgical pain: composites of patient-reported pain-related outcomes vs pain intensities alone. Pain. 2022 Dec 1;163(12):2457-2465. doi: 10.1097/j.pain.0000000000002653. Epub 2022 Apr 19.

  • Harnik MA, Oswald O, Huber M, Hofer DM, Komann M, Dreiling J, Stamer UM. Multidimensional pain assessment and opioid use after total knee arthroplasty: continuous vs single-injection regional vs systemic analgesia. Pain Rep. 2025 Mar 18;10(2):e1257. doi: 10.1097/PR9.0000000000001257. eCollection 2025 Apr.

  • Hofer DM, Harnik M, Lehmann T, Stuber F, Baumbach P, Dreiling J, Meissner W, Stamer UM. Trajectories of pain and opioid use up to one year after surgery: analysis of a European registry. Br J Anaesth. 2024 Mar;132(3):588-598. doi: 10.1016/j.bja.2023.12.002. Epub 2024 Jan 10.

  • Bernhart K, Becke-Jakob K, Lehmann T, Harnik M, Seiler S, Meissner W, Stuber F, Stamer UM. Analgesic use and favourable patient-reported outcome measures after paediatric surgery: an analysis of registry data. Br J Anaesth. 2023 Jan;130(1):74-82. doi: 10.1016/j.bja.2022.09.028. Epub 2022 Dec 5.

  • Jiang B, Wu Y, Wang X, Gan Y, Wei P, Mi W, Feng Y. The influence of involving patients in postoperative pain treatment decisions on pain-related patient-reported outcomes: A STROBE-compliant registering observational study. Medicine (Baltimore). 2022 Sep 23;101(38):e30727. doi: 10.1097/MD.0000000000030727.

  • Polanco-Garcia M, Granero R, Gallart L, Garcia-Lopez J, Montes A. Finding the vulnerable postoperative population: A two-step cluster analysis of the PAIN-OUT registry. Eur J Pain. 2022 Sep;26(8):1732-1745. doi: 10.1002/ejp.1997. Epub 2022 Jul 7.

  • Zaslansky R, Meissner W, Chapman CR. Pain after orthopaedic surgery: differences in patient reported outcomes in the United States vs internationally. An observational study from the PAIN OUT dataset. Br J Anaesth. 2018 Apr;120(4):790-797. doi: 10.1016/j.bja.2017.11.109. Epub 2018 Feb 2.

  • Stamer UM, Naef N, Porz R, Stuber F, Leva B, Meissner W, Fletcher D; euCPSP Study Group. Ethical procedures and patient consent differ in Europe. Eur J Anaesthesiol. 2015 Feb;32(2):126-31. doi: 10.1097/EJA.0000000000000206. Erratum In: Eur J Anaesthesiol. 2015 Mar;32(3):222.

Related Links

MeSH Terms

Conditions

Pain, Postoperative

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsPainNeurologic ManifestationsSigns and Symptoms

Study Officials

  • Winfried Meissner, Prof.

    University of Jena

    STUDY DIRECTOR

Central Study Contacts

Winfried Meissner, Prof. Dr.

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
12 Months
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
apl. Prof. Dr. med. Winfried Meissner

Study Record Dates

First Submitted

March 3, 2014

First Posted

March 11, 2014

Study Start

January 1, 2009

Primary Completion (Estimated)

December 1, 2030

Study Completion (Estimated)

December 31, 2030

Last Updated

May 6, 2026

Record last verified: 2026-04

Locations