Research Award Details

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Prospective, International Multi-centered Registry of Legg-Calve-Perthes Disease

Grant Recipient: Harry KW Kim, MD

Co-Investigators: Scott Rosenfeld, MD
TSRH, Dallas
Presentations & Publications:


  • EPOS Conference, How Reliable is the Modified Lateral Pillar Classification when a Large Number of Raters from Multiple Centers are Involved, and What Factors Affect the Reliability?

  • POSNA Conference, A Prospective, Multi-centered Comparative Study of Non-operative and Operative Containment Treatments in Children Presenting with Late-stage Legg-Calve-Perthes Disease

  • POSNA Conference, Does Early Proximal Femoral Varus Osteotomy Shorten the Length of Fragmentation in LCPD: Lessons from a Prospective Multicenter Cohort

  • HealthMeasures User Conference, Planning for a Multicenter Longitudinal Pediatric Implementation of PROMIS Standard of Care Data Collection


  • Matsumoto H, Hyman JE, Shah HH, et al. Validation of Pediatric Self-Report Patient-Reported Outcomes Measurement Information System (PROMIS) Measures in Different Stages of Legg-Calvé-Perthes Disease. J Pediatr Orthop. 2020 May/Jun;40(5):235-240. doi: 10.1097/BPO.0000000000001423. PubMed PMID: 31318732. 
  • Sankar WN, Lavalva SM, McGuire MF, et al. Does Early Proximal Femoral Varus Osteotomy Shorten the Duration of Fragmentation in Perthes Disease? Lessons from a Prospective Multicenter Cohort. J Pediatr Orthop. 2020 May/Jun;40(5):e322-e328. doi: 10.1097/BPO.0000000000001451. PubMed PMID: 31524767.
  • The Demographics and Clinical Presentation of Early Stage Legg-Calve-Perthes Disease: A Prospective, Multi-Center, International Study. Accepted by JAAOS.
  • Lateral Pillar Validation among members of the International Perthes Study Group. Under review with J Pediatr Orthop.
  • Reproducibility of Radiographic Measurements made in the Active Stages of Legg-Calve-Perthes Disease: Evaluation of a Prognostic Indicator and an Interim Outcome Measure. Under review with J Pediatr Orthop.
Further Funding:
Additional Information:
Final Report