scout
|Videos|June 6, 2015

Vitamin B3 Supplement Reduced Occurrences of Basal and Squamous Cell Carcinomas

In this video, Dr. Martin discusses the phase III ONTRAC study, which found that the use of nicotinamide, a form of vitamin B3, reduced the incidence of non-melanoma skin cancers by 23% among a group of high-risk patients.

In this video, Dr. Martin discusses the phase III ONTRAC study, which found that the use of nicotinamide, a form of vitamin B3, reduced the incidence of non-melanoma skin cancers by 23% among a group of high-risk patients. The data were presented at the 2015 American Society of Clinical Oncology (ASCO) Annual Meeting. Read our conference report of this study.

Newsletter

Stay up to date on recent advances in the multidisciplinary approach to cancer.

Subscribe Now!

Related Content

Latest CME

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | South Carolina
Video

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | South Carolina

Misty D. Shields, MD, PhD; Rujul Parikh, MD

View more
Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Kansas
Video

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Kansas

Charu Aggarwal, MD, MPH, FASCO; Yifan Tu, MD, PhD

View more
Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Washington State Medical Oncology Society
Video

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Washington State Medical Oncology Society

Marla D. Lipsyc-Sharf, MD; Ashley Frith, MD

View more
Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Wyoming and Montana
Video

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Wyoming and Montana

Charu Aggarwal, MD, MPH, FASCO; Mo Ziari, MD

View more
Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | New Mexico
Video

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | New Mexico

Zofia Piotrowska, MD, MHS; Shan Guo, MD

View more
Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | North Carolina
Video

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | North Carolina

Misty D. Shields, MD, PhD; Michelle Ojemuyiwa, MD

View more
Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck – Post-CRT Decisions in the Locally Advanced Setting
In-Person + Virtual Event

Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck – Post-CRT Decisions in the Locally Advanced Setting

February 19, 2026

View more
A Breath of Strength: Managing Cancer Associated LEMS and Lung Cancer as One
Video

A Breath of Strength: Managing Cancer Associated LEMS and Lung Cancer as One

Estelamari Rodriguez, MD, MPH; Millie Das, MD; Ruham Nasany, MD

View more
Striking the Right Nerve: Managing Cancer Associated LEMS in Lung Cancer Patients
Video

Striking the Right Nerve: Managing Cancer Associated LEMS in Lung Cancer Patients

Anne Chiang, MD, PhD; J. Douglas Miles, MD, PhD, FAAN; Suma Satti, MD

View more
Show Me the Data™: Bridging Clinical Gaps Along the Continuum From Resectable, Early Stage to Advanced Gastric/Gastroesophageal Junction Cancers
Video

Show Me the Data™: Bridging Clinical Gaps Along the Continuum From Resectable, Early Stage to Advanced Gastric/Gastroesophageal Junction Cancers

Zev A. Wainberg, MD; Manish A. Shah, MD, FASCO; Syma Iqbal, MD

View more
19th Annual New York GU Cancers Congress™
In-Person Event

19th Annual New York GU Cancers Congress™

March 13-14, 2026

Register now!
Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes
Video

Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes

Jennifer R. Brown, MD, PhD; Alexey V. Danilov, MD, PhD; Matthew S. Davids, MD, MMSc

View more
Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer
Video

Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer

Stephen V. Liu, MD; Michelle Afkhami, MD; Ignacio I. Wistuba, MD; Helena Yu, MD

View more
Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas
In-Person + Virtual Event

Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas

March 24, 2026

View more
Addressing Unmet Needs in HER2+ Metastatic BTC
Video

Addressing Unmet Needs in HER2+ Metastatic BTC

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Ghassan Abou-Alfa, MD, MBA

View more
Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer
Multimedia

Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer

Hope S. Rugo, MD, FASCO; Neil M. Iyengar, MD; Komal Jhaveri, MD, FACP

View more
Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer
Multimedia

Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer

Rebecca Shatsky, MD; Kelly McCann, MD, PhD; Michelle L. Taylor, ANP-BC

View more
From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment
Video

From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Shubham Pant, MD, MBBS

View more
Proactive Adverse Event Management for HER2+ BTC Treatments
Video

Proactive Adverse Event Management for HER2+ BTC Treatments

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Rachna T. Shroff, MD, MS, FASCO

View more
Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma
Multimedia

Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma

Yana G. Najjar, MD; Douglas B. Johnson, MD, MSCI; Rahul A. Sheth, MD, FSIR

View more
A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)
Video

A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)

Cindy Neunert, MD, MSCS; Hanny Al-Samkari, MD; Joseph Shatzel, MD, MCR

View more
Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing
Video

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

Eileen M. O’Reilly, MD; E. Gabriela Chiorean, MD, FASCO; Michael J. Pishvaian, MD, PhD; Brian Wolpin, MD, MPH

View more
Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma
Video

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

View more
Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation
Video

Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation

Rebecca Heist, MD, MPH; Alex A. Adjei, MD, PhD, FACP; Sandip Patel, MD, FASCO; Jeremy Segal, MD, PhD

View more
Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC
Video

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Balazs Halmos, MD, MS; Enriqueta Felip, MD, PhD; Julia Rotow, MD

View more
Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights
Video

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Gail J. Roboz, MD; Hagop Kantarjian, MD; Catherine Lai, MD, MPH; Amer Zeidan, MBBS, MHS

View more
Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies
Video

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

Vinay K. Puduvalli, MD; Manmeet Ahluwalia, MD, MBA; Stephen J. Bagley, MD, MSCE; Angela Waanders, MD, MPH, MS

View more
Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer
Video

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

William J. Gradishar, MD, FASCO, FACP; Laura Huppert, MD; Yuan Yuan, MD, PhD

View more
Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches
Video

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Rami Komrokji, MD; Gabriela Hobbs, MD; John Mascarenhas, MD; Naveen Pemmaraju, MD

View more
PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies
Video

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

Jonathan W. Goldman, MD; Percy Lee, MD, FASTRO; Erminia Massarelli, MD, PhD, MS; Misty D. Shields, MD, PhD

View more
GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer
Video

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

John H. Strickler, MD; Stacey A. Cohen, MD; Aparna Parikh, MD; Kanwal P.S. Raghav, MBBS, MD

View more
Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma
Video

Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

View more
Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment
Video

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Joyce O’Shaughnessy, MD; Matthew P. Goetz, MD; Hope S. Rugo, MD, FASCO

View more