Claire Marie Porter is a reporter with The Cancer Letter. She joined the publication in 2024.
Before joining The Cancer Letter, Claire was a freelance health and science journalist with bylines in The Atlantic, Scientific American, The Washington Post, Undark Magazine, Popular Science, WIRED among other publications. She graduated with an M.S. in Journalism from Columbia University in 2020, where she received honors for her thesis "The Deadly Itch" on Intrahepatic Cholestasis of pregnancy.
She was a 2020 Society of Environmental Journalists grant recipient, and completed internships with Next City and National Public Radio.
She graduated from Temple University with a Bachelor’s degree in English in 2013.
Before joining The Cancer Letter, Claire was a freelance health and science journalist with bylines in The Atlantic, Scientific American, The Washington Post, Undark Magazine, Popular Science, WIRED among other publications. She graduated with an M.S. in Journalism from Columbia University in 2020, where she received honors for her thesis "The Deadly Itch" on Intrahepatic Cholestasis of pregnancy.
She was a 2020 Society of Environmental Journalists grant recipient, and completed internships with Next City and National Public Radio.
She graduated from Temple University with a Bachelor’s degree in English in 2013.
Latest Stories
Clinical
Jenna Scott was 29, seven months pregnant, and suddenly, feeling very sick.
The Directors
How’s this for a paradox: The better cancer centers become at keeping patients alive, the more expensive cancer care becomes. This brutal tradeoff hits harder in rural areas, where the cancer burden is higher and the investigator and clinical trial representation is lower.
Cancer Policy
An FDA advisory panel has recommended approval of Moderna’s mRNA-based flu vaccine, mFlusiva, for adults ages 50-64, and adults 65 and older, if a specific condition is met.
News Analysis
FDA has issued a draft guidance to reduce unnecessary animal testing in nonclinical safety assessments for some cancer pharmaceuticals.
The White House Office of Management and Budget has released a 412-page proposal that inserts political appointees into all stages of reviewing and awarding of federal research grants.
If you believe in the miraculous healing power of ivermectin, hydroxychloroquine, and the harm from vaccination for HPV and COVID-19, you’ve got a powerful friend in Sen. Ron Johnson (R-WI), chair of the Permanent Subcommittee on Investigations of the Senate Committee on Homeland Security and Governmental Affairs.
In a poignant keynote punctuated with anecdotes about grief, American Society of Clinical Oncology’s immediate past president Eric Small emphasized that the annual conference is not just about scientific discovery, but about a responsibility to translate discoveries into better outcomes for cancer patients globally.
Cancer Policy
Friends of Cancer Research announced the election of Richard Pazdur to the organization’s board of directors.
The Directors
Getting NCI clinical trials to the community has never been an easy task. Has it been getting simpler or more difficult in recent years?
Cancer Policy
In a letter, sixty organizations representing cancer patients and providers are urging HHS Secretary Robert F. Kennedy Jr. to maintain the integrity of the U.S. Preventive Task Force.
Cancer Policy
The Vaccines and Related Biological Products Advisory Committee on May 28 approved the composition of COVID-19 vaccines for the 2026-2027 immunization season.
Capitol Hill
Esa M. Davis and John B. Wong have been fired from U.S. Preventive Services Task Force by HHS Secretary Robert F. Kennedy Jr.
Cancer Policy
In further major FDA shake-ups, three top regulators left the agency on May 15, just days after the resignation of Commissioner Marty Makary.
Cancer Policy
The charter governing the Advisory Committee on Immunization Practices will be returned to its previous framework for two years because the Department of Health and Human Services didn’t allow sufficient time for public comment after Robert F. Kennedy crafted a charter more favorable to his policy preferences.
Podcast
“Backwater to Blockbuster,” the first de novo book published by the Cancer History Project, traces the evolution of St. Jude Children’s Research Hospital to its current status of a powerhouse of research in pediatric cancer.
Regulatory News
The immediate impetus for FDA Commissioner Marty Makary’s exit from the top job at FDA is arguably less significant than the legacy of dysfunction he leaves behind.
Cancer Policy
President Donald Trump has withdrawn the nomination of Casey Means for Surgeon General, instead nominating Nicole B. Saphier, a radiologist at Memorial Sloan Kettering Cancer Center.
Cancer Policy
Following Vinay Prasad’s second and presumably final departure from his job as director of the Center for Biologics Evaluation and Research, Prasad’s deputy Katherine Szarama has stepped in as acting drector.
Drugs & Targets
FDA has issued a “safe to proceed” letter to Revolution Medicines, allowing the sponsor to initiate an expanded access treatment protocol for its experimental pancreatic cancer drug, daraxonrasib, a RAS inhibitor.
Health and Human Services Secretary Robert F. Kennedy Jr. is moving to overhaul the U.S. Preventive Services Task Force, a highly influential panel that determines which preventive services insurers must cover and guides routine medical care for millions of Americans.
Cancer Policy
The Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices, or ACIP, voted in December to rescind its recommendation that all newborns receive a hepatitis B virus vaccine dose within 24 hours of birth.
The Directors
In recent months, several directors of cancer centers, appearing on The Directors, a segment of The Cancer Letter Podcast, mentioned that their institutions are increasingly providing small grants—typically in the range of $50,000—to scientists to enable them to keep their labs open.
Cancer Policy
At the Senate Finance Committee hearing on April 22, Health and Human Services Secretary Robert F. Kennedy Jr. hinted at how he intends to reform the U.S. Preventive Services Task Force, a highly respected, independent organization that weighs evidence to make recommendations on screening for diseases.
Cancer Policy
HHS Secretary Robert F. Kennedy Jr. testified before two Senate committees on April 22 as part of a final “blitz” of congressional budget hearings.
Cancer Policy
President Trump has nominated Erica Schwartz, who served as deputy surgeon general in his first administration, to serve as the next director of the Centers for Disease Control and Prevention.
Cancer Policy
FDA announced that it has achieved its first-year goals in implementing its roadmap to reduce animal testing in preclinical studies.
Regulatory News
Boca Raton resident Gabriela Sanchez recently found herself stepping into a mobile outreach vehicle operated by Sylvester Comprehensive Cancer Center.
Conversation with The Cancer Letter
Over the course of his first six months as NCI director, Anthony Letai has contended with federal budget turbulence, a record-setting government shutdown, and concerns about the flow of over research dollars.
Cancer Policy
President’s budget request would cap indirect costs and fully fund all NIH research projects upfront
NCI has emerged relatively unscathed in the president’s FY 2027 budget request that would slash $15.8 billion from HHS funding, cut NIH overall by about 10%, eliminate three NIH institutes and centers, and move the Institute for Environmental Health Sciences and its circa $1 billion budget out of NIH.
News Analysis
Recently, HHS Secretary Robert F. Kennedy Jr. posted a video montage featuring himself shirtless in jeans, working out with Kid Rock. The duo is in a blue-lit grotto with a cold plunge and sauna. Set to Kid Rock’s “Bawitdaba” and intercut with a selection of patriotic imagery, the video ends with the two men in a hot tub, chugging what appears to be milk.
Cancer Policy
President Donald Trump has imposed a 100% tariff on drugmakers that have not struck a deal with the president to lower the U.S. drug prices of patented pharmaceutical products and ingredients.
Cancer Policy
ImmunityBio and its owner and executive chairman Patrick Soon-Shiong received a warning letter from FDA for making false and misleading claims about a cancer treatment in television ads and on a podcast.
Cancer Policy
FDA, with support from HHS Secretary Robert F. Kennedy Jr., is scrapping a proposed rule that would have banned people under 18 from using tanning beds.
Cancer Policy
FDA has published a draft guidance to incentivize drug developers to use and validate new approach methodologies, or NAMS, as part of a broader effort to move away from animal testing.
NCI
A public-private effort, spearheaded by NCI Director Anthony Letai, and led by the Foundation for the National Institutes of Health, is working to speed up the development of therapeutic cancer vaccines.
Cancer Policy
FDA has created a new adverse event reporting system that will consolidate several systems it has for reporting different types of adverse events.
Regulatory News
Amid deepening controversy, Vinay Prasad, FDA’s top clinician and scientist, and director of its Center for Biologics Evaluation and Research, will be leaving the agency.
Cancer Policy
FDA has approved leucovorin calcium tablets (Wellcovorin), expanding its use for the treatment of cerebral folate deficiency in adult and pediatric patients.
Cancer Policy
Mount Sinai hospital has formed a committee to investigate the ties between Jeffrey Epstein and Eva Dubin a Swedish physician and philanthropist who founded the Dubin Breast Center at the Tisch Cancer Institute whose name is featured prominently in the Epstein files.
The Directors
“We’ve always argued that money comes and goes, but if you lose a generation of scientists—you can’t buy them back,” said Kelvin Lee, director of the Indiana University Simon Comprehensive Cancer Center.
Cancer Policy
Former members of the U.S. Preventative Services Task Force are sounding alarm about an apparent plan by HHS to eliminate the highly respected and influential 16-member expert panel.
Cancer Policy
HHS leadership has announced they will be pursuing steps to “crack down on fraud in Medicare and Medicaid.”
News Analysis
NIH Director Jay Bhattacharya has taken a second big job.
Cancer Policy
For decades, FDA commissioners sought to insulate the agency’s professional staff from political interference with regulatory decisions.
Regulatory News
In the latest episode of Vinay Prasad’s extraordinary adventures at FDA, the agency (i.e. Dr. Prasad himself) has issued a Refusal-to-File letter to an mRNA-based influenza vaccine application.
Cancer Policy
FDA has approved drug labeling changes to six menopausal hormone therapy products, also known as hormone replacement therapy.
NCI
The new ad hoc working group of the National Cancer Advisory Board will play a key role in shaping NCI’s extramural priorities, NCI Director Anthony Letai said at the group’s inaugural meeting Feb. 6.
Cancer Policy
FDA has launched a venture in onshoring domestic drug development called the Precheck Pilot Program.
The Directors
As NCI paylines drop to 4%, cancer centers are tapping into their institutional funds to provide “bridge funding,” typically in $50,000 to $100,000 increments, to enable investigators to keep their labs open until better times return—next year God willing.
Cancer Policy
The reviews of two drugs granted priority review via FDA’s new priority voucher program, Commissioner’s National Priority Voucher (CNPV) Pilot Program, have been delayed.
Clinical
A story is told that after first obtaining approval for marketing Premarin in 1942, Wyeth Laboratories didn’t lock up the secret recipe for making the hormonal drug in a company safe, to be guarded by patent lawyers.
Cancer Policy
OpenAI has launched a ChatGPT health feature in the U.S. that is currently available only to a small group of users for refinement.
Cancer Policy
A federal court has ordered the U.S. Department of Health and Human Services to restore nearly $12 million in funding that was cut from American Academy of Pediatrics funding last month.
Cancer Policy
Last year, the Trump administration began dismantling, RIFing, and stamping out programs and staff deemed ideological or politically motivated, halting application processes, and stripping funding opportunities.
Cancer Policy
The House of Representatives has passed an extension of Obamacare subsidies, sending the bill on to the Senate.
Cancer Policy
FDA has granted sacituzumab tirumotecan (sac-TMT), a trophoblast cell-surface antigen 2 directed antibody-drug conjugate, a priority voucher via the agency’s Commissioner’s National Priority Voucher (CNPV) Pilot Program.
Cancer Policy
FDA has released a congressionally mandated report evaluating the use of perfluoroalkyl and polyfluoroalkyl substances in cosmetic products.
The Directors
As trust in scientific and regulatory institutions frays and the meaning of “gold standard science” is increasingly contested, cancer research faces a credibility test of its own.
Cancer Policy
Harvey A. Risch, professor emeritus and senior research scientist at Yale School of Public Health, was named chair of the President’s Cancer Panel.
Cancer Policy
The U.S. Senate didn’t take up the Mikaela Naylon Give Kids a Chance Act after two Senate members—Bernie Sanders (I-VT) and Sen. Markwayne Mullin (R-OK)— voted “Nay,” blocking it.
Regulatory News
FDA has withdrawn a proposed rule that called for standardized testing for detecting and identifying asbestos in talc-containing cosmetic products.
Cancer Policy
The U.S. House of Representatives unanimously passed the Mikaela Naylon Give Kids A Chance Act, a bill to accelerate pediatric cancer treatments and expand access to life-saving therapies for children battling rare diseases.
Clinical Roundup
The American Cancer Society is introducing two key changes for cervical cancer screening guidelines.
Cancer Policy
Ralph Lee Abraham, a Louisiana surgeon general who implemented controversial policies and held views that have drawn significant criticism from public health experts, has quietly been installed as the second-highest official at the Centers for Disease Control and Prevention.
Free
The nagging pain in Mia Sandino’s right knee set in in September 2018, and throughout her freshman year at the University of Washington, she tried to ignore it. “I was being a very naive and invincible-feeling 19-year-old,” Sandino told The Cancer Letter. “I didn’t put two and two together that this area of the knee that...
Cancer Policy
An NIH employee who has been publicly critical of the Trump administration’s health policies said she was placed on “nondisciplinary” administrative leave when she returned to work Nov. 13 after the government reopened.
Cancer Policy
Natalie Phelps, a 43-year-old mother of two, died Nov. 9 from colorectal cancer.
Regulatory News
Top FDA officials said the agency is in the process of removing the black box safety warnings from all forms of menopausal hormone therapy, including creams, pills, and other treatments prescribed to ease the symptoms of menopause and perimenopause.
Cancer Policy
Cornell University has come to an agreement with the Trump administration that will unfreeze the university’s more than $250 million in interrupted federal research funding and “protect Cornell’s students from violations of federal civil rights laws, including from discrimination based on race, sex, or national origin, and promote America’s hardworking farming and rural communities” following accusations of antisemitism and discrimination in admissions.
Regulatory News
George F. Tidmarsh has resigned from his job as director of the FDA Center for Drug Evaluation and Research in the aftermath of a lawsuit by a former associate and a probe into what an HHS spokesperson described as “serious concerns about his personal conduct.”
Cancer Policy
The U.S. Preventative Services Task Force has postponed its November meeting due to the federal government shutdown.
Cancer Policy
The federal government shutdown is entering its fifth week, and funding delays are now directly affecting the healthcare system.
Cancer Policy
Centers for Disease Control and Prevention’s Morbidity and Mortality Weekly Report, often called “the voice of the CDC,” now has an rival publication.
Cancer Policy
Last week, President Donald Trump announced a deal with pharmaceutical company Merck KGaA and its U.S. subsidiary, EMD Serono, to sharply reduce the cost of some fertility drugs used for in-vitro fertilization, in exchange for a three-year reprieve on some of the tariffs levied on pharmaceutical imports (The Cancer Letter, Oct. 24, 2025).
Cancer Policy
Earlier this year, FDA announced that it would be initiating a voucher program aimed at accelerating review time for applications that are deemed to be advancing U.S. “national priorities” (The Cancer Letter, June 20, 2025).
Cancer Policy
With the start of open enrollment less than one week away, millions of Americans are getting their first look at the sharp increases many will pay next year if Congress fails to extend the enhanced premium tax credits that have expanded healthcare access to over 13 million people since 2021.
Cancer Policy
President Donald Trump has announced a deal with pharmaceutical company Merck KGaA and its U.S. subsidiary, EMD Serono, to sharply reduce the cost of certain fertility drugs used for in-vitro fertilization, or IVF.
Regulatory News
Bowing to the growing animal rights movement, FDA and NIH have made policy changes to discourage animal testing, instead favoring alternative research models.
Cancer Policy
Millions of Americans with Affordable Care Act marketplace health insurance will face higher costs next year if Congress doesn’t extend enhanced premium tax credits that have made the plans more affordable for low- and middle-income enrollees.
The Directors
With major leadership changes, grant disruptions and terminations, and a stoked distrust in science, Steven Artandi, the director of Stanford Cancer Center, worries that young investigators will feel disenchanted by the U.S. research atmosphere and take their work and study elsewhere.
Cancer Policy
A report by the American Society of Clinical Oncology points to a growing challenge in cancer care access driven by a widening gap between the number of available oncologists and increasing patient demand.
Cancer Policy
President Donald Trump had threatened pharmaceutical companies with a 100% tariff, with an ultimatum set for Oct. 1.
Cancer Policy
Jim O’Neill, acting director of the Centers for Disease Control and Prevention, announced that he has signed off on a slew of recommendations that change the childhood vaccination schedule.
Cancer Policy
United for Medical Research conducted a report surveying patients and researchers on why NIH, and NIH funding matters to them.
NCI
Anthony G. Letai, a physician-scientist at Harvard Medical School and Dana-Farber Cancer Institute, has been officially named the 18th director of the National Cancer Institute.
Capitol Hill
On Oct. 1, for the first time in six years, the U.S. government shut down after Congress was unable to reach a deal to fund federal agencies for Fiscal Year 2026.
Cancer Policy
President Trump has signed an executive order to use artificial intelligence to accelerate research in pediatric cancers.
Cancer Policy
President Donald Trump has announced a multipronged effort aimed at lowering drug costs in the United States, including the creation of “TrumpRx,” a direct-to-consumer website where Americans can buy medicine at discounted prices and a sweeping deal with Pfizer to reduce the prices of many of its products.
Regulatory News
FDA has initiated the approval of leucovorin calcium tablets, rushing them to market as part of a push from the Trump administration to identify potential treatments for autism spectrum disorder.
Cancer Policy
In a press conference on Sept. 22, President Donald Trump, flanked by NIH Director Jay Bhattacharya, FDA Commissioner Marty Makary, HHS Secretary Robert Kennedy Jr., and CMS Administrator Mehmet Oz, touted that Tylenol use while pregnant is “probably” the cause of autism.
NCI
Anthony G. Letai, a physician-scientist at Harvard Medical School and Dana-Farber Cancer Institute whose research is focused on apoptosis and functional diagnostics, has been tapped by the Trump administration to become the 18th director of the National Cancer Institute.
Cancer Policy
Ousted from her position as director of the Centers for Disease Control and Prevention less than a month after her confirmation, Susan Monarez has now had the chance to tell her side of the story before Congress.
Cancer Policy
At a two-day meeting, the Center for Disease Control and Prevention’s Advisory Committee on Immunization Practices voted 8-3 to change the current recommendations that allow children under age 4 to receive the MMRV vaccine, a combination shot for measles, mumps, rubella and chickenpox (or varicella).
Cancer Policy
The American Association for Cancer Research released the results of a national survey measuring voters’ attitudes about federal funding for medical research, which found very high levels of support for federal funding for medical and cancer research across the electorate.
The Directors
In the face of the unknown, two cancer center leaders discuss planning for the future, recovering from setbacks, and holding on to what they still have.
Cancer Policy
A fraught Senate Finance Committee hearing, where HHS Secretary Robert F. Kennedy Jr. clashed with Republicans and Democrats alike, has led to some fallout.
Cancer Policy
The Trump administration earlier this week released its strategy on children’s health.
Cancer Policy
Vinay Prasad has regained his role as FDA’s chief medical and scientific officer, according to an update on the agency’s website.
Cancer Policy
The U.S. House Appropriations Committee has voted along party lines passing a bill that maintains current funding levels for NIH and NCI as part of its Fiscal Year 2026 Labor, HHS, Education and Related Agencies spending bill.
Capitol Hill
A Senate hearing that the administration hoped would be a routine check-in on the president’s 2026 MAHA-driven healthcare agenda erupted into a political firestorm as senators jumped at their first opportunity to confront HHS Secretary Robert F. Kennedy Jr. over the chaos engulfing the Centers for Disease Control and Prevention.
