Cambridge Pulmonary Hypertension Outcome Review Explained

The Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) is a disease specific patient-reported outcome measure which assesses quality of life of patients with pulmonary hypertension (PH).[1] It was the first pulmonary hypertension specific questionnaire for assessing patient reported symptoms, quality of life and functioning.[2]

History

The CAMPHOR questionnaire was developed by Galen Research in 2006[3] to allow for cost-utility analyses for treatments of PH.[4] The theoretical basis for the CAMPHOR is the needs-based model of quality of life, which states that quality of life is highest when an individual has the ability and capacity to satisfy their own needs.[5]

Properties

The CAMPHOR is made up of 3 main dimensions which assess symptoms, functioning and quality of life (QoL).[6] The symptom dimension is made up of 25 symptoms and is broken up into 3 subscales: energy, breathlessness and mood. The QoL scale has 25 items which focus on socialization, role, acceptance, self-esteem, independence, and security. The activity scale has 15 items. Response options include true and not true. Scores for QoL and symptoms range from 0–25, with higher scores indicating worse quality of life. Activity scores range from 0–30, with higher scores indicating more physical limitations.[7]

Language Adaptations and Validations

Since the development of the CAMPHOR, it has been translated and validated into fourteen different languages,[8] including Australian and New Zealand English,[9] German[10] and Swedish.[11]

Use in Clinical Trials

The Cambridge Pulmonary Hypertension Outcome Review has been a useful tool in clinical trials as it allows researchers to assess whether new medication or therapy is effective. The CAMPHOR has been utilized in clinical trials which investigate the effects of treprostinil,[12] [13] as well as trials which investigate sildenafil.[14] [15]

Notes and References

  1. McKenna. Stephen P.. Ratcliffe, Julie. Meads, David M.. Brazier, John E.. Development and validation of a preference based measure derived from the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) for use in cost utility analyses.. Health and Quality of Life Outcomes. 21 August 2008. 6. 65. 65. 10.1186/1477-7525-6-65. 2 October 2013. 18718016. 2546377 . free .
  2. Pope. Janet. Measures of Systemic Sclerosis (Scleroderma). Arthritis Care & Research. November 2011. 63. S11. S98–S111. 10.1002/acr.20598. 22588774. free.
  3. McKenna. S.P.. Doughty, N.. Meads, D.M.. Doward, L.C.. Pepke-Zaba, J.. The Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR): A measure of health-related quality of life and quality of life for patients with pulmonary hypertension. Quality of Life Research. 2006. 15. 103–115. 10.1007/s11136-005-3513-4. 16411035. 1. 23830883.
  4. Meads. D.M.. McKenna, S.P.. Doughty, N.. Das, C.. Gin-Sing, W.. Langley, J.. Pepke-Zaba, J.. The responsiveness and validity of the CAMPHOR Utility Index.. European Respiratory Journal. 3 September 2008. 32. 6. 1513–1519. 10.1183/09031936.00069708. 18768576. free.
  5. Hunt. Sonja M.. McKenna, Stephen P.. The QLDS: A scale for the measurement of quality of life in depression. Health Policy. October 1992. 22. 3. 307–319. 10.1016/0168-8510(92)90004-U. 10122730.
  6. McKenna. Stephen P.. Ratcliffe, Julie. Meads, David M. Brazier, John E.. Development and validation of a preference based measure derived from the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) for use in cost utility analyses. Health and Quality of Life Outcomes. 2008. 6. 65. 1–8. 10.1186/1477-7525-6-65. 18718016. 2546377 . free .
  7. Matura. Lee Ann. McDonough, Annette. Carroll, Diane L.. Health-Related Quality of Life and Psychological States in Patients With Pulmonary Arterial Hypertension. Journal of Cardiovascular Nursing. 29. 2. 13 November 2012. 178–184. 10.1097/JCN.0b013e318275330d. 23151837. 21989256.
  8. Web site: Measures Database. Galen-Research.com. Galen Research. 2 October 2013.
  9. Ganderton. Louise. Jenkins, Sue. McKenna, Stephen P.. Gain, Kevin. Fowler, Robin. Twiss, James. Gabbay, Eli. Validation of the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) for the Australian and New Zealand population. Respirology. November 2011. 16. 8. 1235–1240. 10.1111/j.1440-1843.2011.02030.x. 21810146. 205481670.
  10. Cima. Katharina. Twiss, James. Speich, Rudolf. McKenna, Stephen P.. Grunig, Ekkehard. Kahler, Christian M.. Ehlken, Nicola. Treder, Ursula. Crawford, Sigrid R.. Huber, Lars C.. Ulrich, Silvia. The German adaptation of the Cambridge pulmonary hypertension outcome review (CAMPHOR). Health and Quality of Life Outcomes. September 2012. 10. 110. 110. 10.1186/1477-7525-10-110. 22971041. 3492159 . free .
  11. Selimovic. Nedim. Rundqvist, Bengt. Kjork, Ewa. Viriden, Johan. Twiss, James. McKenna, Stephen P.. Adaptation and validation of the Cambridge pulmonary hypertension outcome review for Sweden. Scandinavian Journal of Public Health. December 2012. 40. 8. 777–783. 10.1177/1403494812464445. 23117210. 30195739.
  12. Channick. Richard N.. Voswinckel, Robert. Rubin, Lewis J.. Inhaled treprostinil: a therapeutic review. Drug Design, Development and Therapy. 24 January 2012. 6. 19–28. 10.2147/DDDT.S19281. 3267519. 22291467 . free .
  13. Chen. Hubert. Rosenzweig, Erika B.. Gotzkowsky, S Karl. Arneson, Carl. Nelsen, Andrew C.. Bourge, Robert C.. Treatment satisfaction is associated with improved quality of life in patients treated with inhaled treprostinil for pulmonary arterial hypertension. Health and Quality of Life Outcomes. 2013. 11. 31. 1–8. 10.1186/1477-7525-11-31. 23496856. 3610124 . free .
  14. Tay. Edgar L.W.. Papaphylactou, Maria. Diller, Gerhard Paul. Alonso-Gonzalez, Rafael. Inuzuka, Ryo. Giannakoulas, Georgios. Harries, Carl. Wort, Stephen John. Swan, Lorna. Dimopoulos, Konstantinos. Gatzoulis, Michael A.. Quality of life and functional capacity can be improved in patients with Eisenmenger syndrome with oral sildenafil therapy. International Journal of Cardiology. 16 June 2011. 149. 3. 372–376. 10.1016/j.ijcard.2010.02.020. 20304507.
  15. Suntharalingam. Jay. Treacy, Carmen M.. Doughty, Natalie J.. Goldsmith, Kimberley. Soon, Elaine. Toshner, Mark R.. Sheares, Karen K.. Hughes, Rodney. Morrell, Nicholas W.. Pepke-Zaba, Joanna. Long-term Use of Sildenafil in Inoperable Chronic Thromboembolic Pulmonary Hypertension. Chest. 2008. 134. 2. 229–236. 10.1378/chest.07-2681. 2 October 2013. 18263674.

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