Colbey Ricklefs • UCSF Profiles

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Colbey Ricklefs, MD

Title(s)	CLINICAL FELLOW, Pediatrics
School	School of Medicine
Address	550 16th Street, #4148 San Francisco CA 94158
Pronouns	He/Him/His
ORCID	0009-0009-6214-8557
vCard	Download vCard

Bibliographic

publications

Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.

Altmetrics Details

PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.

Cannabis legalization and early adolescent expectancies: Findings from the adolescent brain cognitive development study. Drug Alcohol Depend. 2026 Mar 24; 283:113138. Ricklefs C, Santos GM, Brindis CD, Baker FC, Nagata JM. PMID: 41895140.

View in: PubMed Mentions: Fields:
Sub Substance-Related Disorders
Translation:Humans Animals
Social media use, smoking expectancies, and nicotine experimentation in early adolescents: A prospective cohort study. Am J Addict. 2026 Feb 10. Nagata JM, Caffrey A, Heuer A, Murillo KB, Helmer CK, Frimpong I, Ricklefs C, Al-Shoaibi AA, Testa A, Brindis CD, Santos GM, Baker FC. PMID: 41667400; PMCID: PMC12990385.

View in: PubMed Mentions: Fields:
Sub Substance-Related Disorders
Social epidemiology of multidimensional sleep health in early adolescence. Pediatr Res. 2025 Nov 28. Nagata JM, Helmer CK, Frimpong I, Beltran Murillo K, Heuer AW, Huang OH, Li EJ, Ricklefs C, Ganson KT, Testa A, He J, Baker FC. PMID: 41315723; PMCID: PMC12772439.

View in: PubMed Mentions: 1 Fields:
Ped Pediatrics
Cannabis expectancies mediate the association between social media use and cannabis experimentation in early adolescents: A prospective cohort study. Drug Alcohol Depend. 2025 Dec 01; 277:112947. Nagata JM, Caffrey A, Nguyen ND, Nayak S, Frimpong I, Helmer CK, Ricklefs C, Al-Shoaibi AA, Testa A, Brindis CD, Santos GM, Baker FC. PMID: 41197602; PMCID: PMC12747118.

View in: PubMed Mentions: Fields:
Sub Substance-Related Disorders
Translation:Humans
Cyberbullying and Sleep Disturbances in Adolescents: An Updated Evidence Review. Acad Pediatr. 2026 Jan-Feb; 26(1):103149. Nagata JM, Li EJ, Huang OH, Ricklefs C, Ganson KT, Testa A, Scheffler A, Sugrue L, Baker FC. PMID: 40998045.

View in: PubMed Mentions: Fields:
Ped Pediatrics
Changes in Diversity, Equity, and Inclusion Activities of Family Medicine Departments. Fam Med. 2025 01; 57(1):20-27. Lindley AR, Ricklefs C, Kost A, Patterson DG, Evans DV, Sturges D, Bennett IM, Cawse-Lucas J. PMID: 39777662; PMCID: PMC11745523.

View in: PubMed Mentions: Fields:
Pri Primary Health Care
Translation:Humans
Gender Identity Disparities in Early Adolescent Sleep: Findings from the Adolescent Brain Cognitive Development Study. LGBT Health. 2025 Apr; 12(3):231-236. Ricklefs C, Balasubramanian P, Ganson KT, Testa A, Kiss O, Baker FC, Nagata JM. PMID: 39253855; PMCID: PMC12021785.

View in: PubMed Mentions: 3 Fields:
Beh Behavioral Sciences Pub Public Health
Translation:Humans
Healthcare for Sexual and Gender Minority Adolescents. Prim Care. 2024 Dec; 51(4):675-688. Ho T, Ricklefs C. PMID: 39448102.

View in: PubMed Mentions: Fields:
Pri Primary Health Care
Translation:Humans
Training Among Noncustodial Health Care Workers Caring for Patients Experiencing Incarceration: A Preliminary Investigation. J Correct Health Care. 2023 12; 29(6):411-420. Barnett H, Taylor Z, Booker L, Ricklefs C, Veltri K, Ervin DV, Gimarc K, Adedipe A. PMID: 37917880.

View in: PubMed Mentions: 1 Fields:
Hea Health Services Pub Public Health
Translation:Humans
Barriers Pediatric PCP's Identify To Providing Gender-Affirming Care For Adolescents. J Adolesc Health. 2023 08; 73(2):367-374. Sequeira GM, Kahn NF, Ricklefs C, Collin A, Asante PG, Pratt W, Christakis D, Richardson LP. PMID: 37294258; PMCID: PMC10802986.

View in: PubMed Mentions: 2 Fields:
Ped Pediatrics
Translation:Humans
PrEP'aring for Impact: Implicit Bias and Imperfect Billing Codes. Fam Med. 2023 02; 55(2):123-124. Ricklefs C. PMID: 36787520; PMCID: PMC10614534.

View in: PubMed Mentions: Fields:
Pri Primary Health Care
Translation:Humans PHPublic Health
Implementation of App-Based Diabetes Medication Management: Outpatient and Perioperative Clinical Decision Support. Curr Diab Rep. 2021 12 13; 21(12):50. Jang J, Colletti AA, Ricklefs C, Snyder HJ, Kardonsky K, Duggan EW, Umpierrez GE, O'Reilly-Shah VN. PMID: 34902056; PMCID: PMC8713442.

View in: PubMed Mentions: Fields:
End Endocrinology
Translation:Humans