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Office
16556 Park Lane Cir
Los Angeles, CA 90049Phone+1 310-476-6940Fax+1 310-476-8846
Education & Training
Chulalongkorn University Faculty of MedicineClass of 1963
Certifications & Licensure
CA State Medical License 1972 - 2025- American Board of Psychiatry and Neurology Neurology
- American Board of Psychiatry and Neurology Psychiatry
Clinical Trials
- Suboxone: (Buprenorphine/Naloxone) Comparison of Two Taper Schedules - 1 Start of enrollment: 2003 Jun 01
- Starting Treatment With Agonist Replacement Therapies (START) Start of enrollment: 2006 Apr 01
- Prescription Opioid Addiction Treatment Study (POATS) Start of enrollment: 2006 May 01
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Publications & Presentations
PubMed
- 1 citationsModeration of buprenorphine therapy for cocaine dependence efficacy by variation of the Prodynorphin gene.David A Nielsen, Robrina Walker, David P Graham, Ellen M Nielsen, Sara C Hamon
European Journal of Clinical Pharmacology. 2022-06-01 - In memoriam-C. James Klett, Ph.D.Walter Ling
Neuropsychopharmacology. 2021-02-08 - 110 citationsBupropion and Naltrexone in Methamphetamine Use DisorderMadhukar H. Trivedi, Robrina Walker, Walter Ling, Adriane M. dela Cruz, Gaurav Sharma
The New England Journal of Medicine. 2021-01-14
Press Mentions
New Data from the RECOVER™ Study Reveal Two-Year Outcomes in People with Opioid Use Disorder Following Transition from Pivotal Phase 3 Clinical Trials to a Real-World SettingJune 24th, 2020
Study of Extended-Release Buprenorphine Yields Diverse BenefitsApril 3rd, 2020
New Data from the RECOVER™ Study Reports on Abstinence, Drug Craving and Psychosocial Outcomes in People with Opioid Use Disorder Following Transition from a Clinical Trial to the Real-World SettingJune 17th, 2019- Join now to see all
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