Gregory Allen, MD

Professional Titles

• Medical Director, Cleft Lip and Palate Team

Research Interests

Publications

• Mudd PA, Perkins JN, Harwood JE, Valdez S, Allen GC. Early Intervention: distraction osteogenesis of the mandible for severe airway obstruction. Otolaryngol Head Neck Surg. 146(3): 467-72, 2012 Mar.
• Chan KH, Liang C, Wilson P, Allen GC. Long-term safety and efficacy data on otobotulinum (botox) injection for sialorrhea. American Society of Pediatric Otolaryngology Annual Meeting, San Diego, CA, April 21, 2012.
• Decision Support in Medicine: Pediatrics, Airway Foreign Bodies
• Decision Support in Medicine: Pediatrics, Laryngomalacia
• Early intervention: distraction osteogenesis of the mandible for severe airway obstruction. Mudd PA. Perkins JN. Harwood JE. Valdez S. Allen GC. Otolaryngology - Head & Neck Surgery. 146(3):467-72, 2012 Mar.
• Long-term safety and efficacy data on botulinum toxin type A: an injection for sialorrhea. Chan KH. Liang C. Wilson P. Higgins D. Allen GC. JAMA Otolaryngology-- Head & Neck Surgery. 139(2):134-8, 2013 Feb.
• Laryngomalacia. in Decision Support in Medicine: Pediatrics, DSM, Wilmington, DE, 2013.
• Airway Foreign Bodies. in Decision Support in Medicine: Pediatrics, DSM, Wilmington, DE, 2013.
• Wudel J, Valdez S, Perkins JN, Liang C, Blanchard A, Allen GC. Parent, dentist, and orthodontist satisfaction following alveolar cleft repair using recombinant human bone morphogenic protein. Cleft Palate Craniofac J. 2015 May;52(3):e41-6. PubMed PMID: 25531735
• Davies BW, Gonzalez MO, Vaughn RC, Allen GC, Durairaj VD. Dacryocystitis As the Initial Presentation of Invasive Fungal Sinusitis in Immunocompromised Children. Ophthal Plast Reconstr Surg. 2014 Aug 14. [Epub ahead of print] PubMed PMID: 25126772
• Chan KH, Liang C, Wilson P, Higgins D, Allen GC. Long-term safety and efficacy data on botulinum toxin type A: an injection for sialorrhea. JAMA Otolaryngol Head Neck Surg. 2013 Feb;139(2):134-8. PubMed PMID: 23429943
• Green KK, Barham HP, Allen GC, Chan KH. Prognostic Factors in the Outcome of Invasive Fungal Sinusitis in a Pediatric Population. Pediatr Infect Dis J. 2016 Apr;35(4):384-6. PubMed PMID: 26673979
• Davies BW, Gonzalez MO, Vaughn RC, Allen GC, Durairaj VD. Dacryocystitis As the Initial Presentation of Invasive Fungal Sinusitis in Immunocompromised Children. Ophthal Plast Reconstr Surg. 2016 Jul-Aug;32(4):e79-81. PubMed PMID: 25126772
• Allen GC, Idicula WK. Bleeding Disorders in Otolaryngology. In Alper, Myers, Ebling (eds): Decision Making in Otolaryngology, 2nd Edition, JP Medical Publishers, London, October 15, 2016.
• Allen GC (editor). Help with Hearing. A patient/parent publication by the American Cleft Palate Craniofacial Foundation, 2016.
• Allen GC. Cleft Lip and Palate. ENT Secrets, 4e August 15, 2015 by Melissa A. Scholes MD (Author), Vijay R. Ramakrishnan MD (Author).
• Longmire NM, Wong Riff KWY, O'Hara JL, Aggarwala S, Allen GC, Bulstrode NW, Forrest CR, French BM, Goodacre TEE, Marucci D, Norris JH, Panchapakesan V, Piplani B, Pusic AL, Vercruysse HJ, Klassen AF. Development of a New Module of the FACE-Q for Children and Young Adults with Diverse Conditions Associated with Visible and/or Functional Facial Differences. Facial Plast Surg. 2017 Oct;33(5):499-508. PubMed PMID: 28962056
• Chan KH, Gao D, Jensen EL, Allen GC, Cass SP. Complications and parent satisfaction in pediatric osseointegrated bone-conduction hearing implants. Laryngoscope. 2017 Sep;127(9):2165-2170. PubMed PMID: 28092097
• Chan KH, Allen GC, Kelley PE, Streubel SO, Friedman NR, Yoon P, Gao D, Ruiz AG, Jung TTK. Dornase Alfa Ototoxic Effects in Animals and Efficacy in the Treatment of Clogged Tympanostomy Tubes in Children: A Preclinical Study and a Randomized Clinical Trial. JAMA Otolaryngol Head Neck Surg. 2018 Sep 1;144(9):776-780. PubMed PMID: 30073253
• Klassen AF, Riff KWW, Longmire NM, Albert A, Allen GC, Aydin MA, Baker SB, Cano SJ, Chan AJ, Courtemanche DJ, Dreise MM, Goldstein JA, Goodacre TEE, Harman KE, Munill M, Mahony AO, Aguilera MP, Peterson P, Pusic AL, Slator R, Stiernman M, Tsangaris E, Tholpady SS, Vargas F, Forrest CR. Psychometric findings and normative values for the CLEFT-Q based on 2434 children and young adult patients with cleft lip and/or palate from 12 countries. CMAJ. 2018 Apr 16;190(15):E455-E462. PubMed PMID: 29661814
• Wong Riff KWY, Tsangaris E, Forrest CR, Goodacre T, Longmire NM, Allen G, Courtemanche DJ, Goldstein J, O'Mahony A, Pusic AL, Slator R, Swan MC, Thoma A, Vargas F, Klassen AF. CLEFT-Q: Detecting Differences in Outcomes among 2434 Patients with Varying Cleft Types. Plast Reconstr Surg. 2019 Jul;144(1):78e-88e. PubMed PMID: 31246826
• Chan KH, Allen GC, Kelley PE, Streubel SO, Friedman NR, Yoon P, Gao D, Ruiz AG, Jung TTK. Dornase Alfa Ototoxic Effects in Animals and Efficacy in the Treatment of Clogged Tympanostomy Tubes in Children: A Preclinical Study and a Randomized Clinical Trial. JAMA Otolaryngol Head Neck Surg. 2018 Sep 1;144(9):776-780. PubMed PMID: 30073253
• Klassen AF, Riff KWW, Longmire NM, Albert A, Allen GC, Aydin MA, Baker SB, Cano SJ, Chan AJ, Courtemanche DJ, Dreise MM, Goldstein JA, Goodacre TEE, Harman KE, Munill M, Mahony AO, Aguilera MP, Peterson P, Pusic AL, Slator R, Stiernman M, Tsangaris E, Tholpady SS, Vargas F, Forrest CR. Psychometric findings and normative values for the CLEFT-Q based on 2434 children and young adult patients with cleft lip and/or palate from 12 countries. CMAJ. 2018 Apr 16;190(15):E455-E462. PubMed PMID: 29661814
• Fayoux P, Daniel SJ, Allen G, Balakrishnan K, Boudewyns A, Cheng A, De Alarcon A, Goel D, Hart CK, Leboulanger N, Lee G, Moreddu E, Muntz H, Rahbar R, Nicollas R, Rogers-Vizena CR, Russell J, Rutter MJ, Smith RJH, Wyatt M, Zalzal G, Resnick CM. International Pediatric ORL Group (IPOG) Robin Sequence consensus recommendations. Int J Pediatr Otorhinolaryngol. 2020 Mar;130:109855. PubMed PMID: 31896499
• Hansen R, Shirtcliff RM, Ludwig S, Dysert J, Allen G, Milgrom P. Changes in Silver Diamine Fluoride Use and Dental Care Costs: A Longitudinal Study. Pediatr Dent. 2019 Jan 15;41(1):35-44. PubMed PMID: 30803475
• Puricelli MD, Rahbar R, Allen GC, Balakrishnan K, Brigger MT, Daniel SJ, Fayoux P, Goudy S, Hewitt R, Hsu WC, Ida JB, Johnson R, Leboulanger N, Rickert SM, Roy S, Russell J, Rutter M, Sidell D, Soma M, Thierry B, Trozzi M, Zalzal G, Zdanski CJ, Smith RJH. International Pediatric Otolaryngology Group (IPOG): Consensus recommendations on the prenatal and perinatal management of anticipated airway obstruction. Int J Pediatr Otorhinolaryngol. 2020 Nov;138:110281. PubMed PMID: 32891939
• Klassen AF, Dalton L, Goodacre TEE, Harman KE, Slator R, Tsangaris E, Courtemanche DJ, Goldstein J, Allen GC, Mahony AO, Riff KWYW. Impact of Completing CLEFT-Q Scales That Ask About Appearance on Children and Young Adults: An International Study. Cleft Palate Craniofac J. 2020 Jul;57(7):840-848. PubMed PMID: 32048868
• 28. Andrews M, Allen G, Alexander A, French B, Wilkinson C, Mason A. Evolution of a Virtual Multidisciplinary Cleft and Craniofacial Team Clinic During the COVID-19 Pandemic: Children’s Hospital Colorado Experience. Cleft Palate-Craniofacial Journal. Accepted for publication, Aug 31, 2020.
• Puricelli MD, Rahbar R, Allen GC, Balakrishnan K, Brigger MT, Daniel SJ, Fayoux P, Goudy S, Hewitt R, Hsu WC, Ida JB, Johnson R, Leboulanger N, Rickert SM, Roy S, Russell J, Rutter M, Sidell D, Soma M, Thierry B, Trozzi M, Zalzal G, Zdanski CJ, Smith RJH. International Pediatric Otolaryngology Group (IPOG): Consensus recommendations on the prenatal and perinatal management of anticipated airway obstruction. Int J Pediatr Otorhinolaryngol. 2020 Nov;138:110281. PubMed PMID: 32891939
• Klassen AF, Rae C, Riff W, Denadai R, Murray DJ, Bracken S, Courtemanche DJ, Bulstrode N, O'Hara J, Butler D, Goldstein J, Tassi A, Hol ML, Johnson D, Ganske IM, Kölby L, Benitez S, Breuning EE, Malic CC, Allen GC, Pusic AL, Cano S. FACE-Q craniofacial module: Part 2 Psychometric properties of newly developed scales for children and young adults with facial conditions. J Plast Reconstr Aesthet Surg. 2021 Sep;74(9):2330-2340. PubMed PMID: 34172403
• Klassen AF, Dalton L, Goodacre TEE, Harman KE, Slator R, Tsangaris E, Courtemanche DJ, Goldstein J, Allen GC, Mahony AO, Riff KWYW. Impact of Completing CLEFT-Q Scales That Ask About Appearance on Children and Young Adults: An International Study. Cleft Palate Craniofac J. 2020 Jul;57(7):840-848. PubMed PMID: 32048868
• Andrews M, Allen G, Alexander A, French B, Wilkinson C, Mason A. Evolution of a Virtual Multidisciplinary Cleft and Craniofacial Team Clinic During the COVID-19 Pandemic: Children's Hospital Colorado Experience. Cleft Palate Craniofac J. 2021 May;58(5):653-657. PubMed PMID: 33356504
• Van Heest T, Muhonen EG, Allen GC. Robin Sequence: Neonatal Management. Neoreviews. 2024 Dec 1;25(12):e780-e792. PubMed PMID: 39616138
• Kotlarek KJ, Levene S, Piccorelli AV, Allen GC, Barhaghi K, Neuberger I. Growth and Symmetry of the Levator Veli Palatini Muscle Within the First Two Years of Life. Cleft Palate Craniofac J. 2024 Nov;61(11):1803-1813. PubMed PMID: 39434629
• Findlen UM, Meehan A, Allen G, Kacmarynski DSF, Grischkan J, Nightengale EC, Alexander LC, Pollard SH, Baylis AL. Current Ear and Hearing Care Practices for Infants and Toddlers with Cleft Palate in the United States. Cleft Palate Craniofac J. 2024 Oct 8;:10556656241283535. [Epub ahead of print] PubMed PMID: 39376162
• Power SJ, Piccorelli AV, Jones DL, Neuberger I, Allen GC, Barhaghi K, Kotlarek KJ. Craniofacial and Velopharyngeal Dimensions in Infants 0-12 Months: Between- and Within-Group Differences Based on Age and Sex. J Speech Lang Hear Res. 2024 Oct 8;67(10):3579-3594. PubMed PMID: 39259879
• Williams JL, Lien KM, Kirschner R, Allen G, Chapman K. Feeding Management and Palate Repair Timing in Infants with Cleft Palate with and without Pierre Robin Sequence: A Multisite Study. Cleft Palate Craniofac J. 2024 Mar 15;:10556656241239766. [Epub ahead of print] PubMed PMID: 38490219

Professional Memberships

• American Academy of Otolaryngology - Head & Neck Surgery, Member
• American College of Surgeons (ACS), Fellow
• American Academy of Pediatrics (AAP), Fellow
• American Society of Pediatric Otolaryngology, Member
• American Medical Association, Member
• American Cleft Palate Craniofacial Association, Member
• Christian Medical Dental Association, Member

Practice Locations

• Children's Hospital Colorado
• University of Colorado Hospital

• Colorado Fetal Care Center
• Center for Children's Surgery

Specialty Information

• Otolaryngology - Head & Neck Surgery, Board Certification (1996)
• Pediatric Otolaryngology
• American Board of Otolaryngology - Head & Neck Surgery, Board Certification (1996)
• Pediatric Otolaryngology, Certificate (1997)

• Ear, Nose, and Throat (ENT)
• Ear, Nose, and Throat (ENT) - Dysphagia (Trouble Swallowing)
• Ear, Nose, and Throat (ENT) - Ear Infection
• Ear, Nose, and Throat (ENT) - Eardrum Perforation
• Ear, Nose, and Throat (ENT) - Facial Paralysis
• Ear, Nose, and Throat (ENT) - Facial Plastics and Cosmetics
• Ear, Nose, and Throat (ENT) - Hearing Loss
• Ear, Nose, and Throat (ENT) - Head and Neck Tumors
• Ear, Nose, and Throat (ENT) - Hoarseness
• Ear, Nose, and Throat (ENT) - Snoring
• Ear, Nose, and Throat (ENT) - Tonsillitis
• Ear, Nose, and Throat (ENT) - Vocal Cord Paralysis
• Immune System - Rhinitis
• Immune System - Sinusitis
• Infections - Bacterial Infections
• Infections - Fungal Infections
• Infections - Viral Infections
• Injuries and Wounds
• Surgery - Plastic, Reconstructive and Aesthetic Surgery
• Ear, Nose, and Throat (ENT) - Salivary Gland Diseases/Stones
• Ear, Nose, and Throat (ENT) - Sinus Tumors
• Ear, Nose, and Throat (ENT) - Tinnitus
• Ear, Nose, and Throat (ENT) - Nasal Polyps
• Digestive System - Surgical Endoscopy
• Digestive System
• Brain and Nervous System - Sleep Apnea
• Brain and Nervous System
• Bones, Joints and Muscles - Facial Fractures
• Bones, Joints and Muscles
• Cancers - Head and Neck Cancer
• Cancers
• Endocrine System (Hormones) - Thyroid Disease
• Endocrine System (Hormones)
• Endocrine System (Hormones) - Thyroid Cancer
• Lungs and Breathing - Chronic Mechanical Ventilation
• Lungs and Breathing
• Lungs and Breathing - Tracheostomy Dependence
• Pregnancy and Reproduction - Prenatal Care
• Pregnancy and Reproduction
• Surgery - Cleft Lip and Palate
• Surgery
• Surgery - Cranio-Maxillofacial Surgery
• Surgery - Orthognathic Surgery (Corrective Jaw Surgery)
• Symptoms and Manifestations - Breathing Problems
• Symptoms and Manifestations
• Symptoms and Manifestations - Cough
• Ear, Nose, and Throat (ENT) - Dizziness and Vertigo
• Immune System
• Infections