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Samuel G. Schumacher

@sgschumacher.bsky.social
760 followers 74 following 77 posts

Epidemiologist passionate about making good use of technology, statistics, methodology & evidence-informed decision making to advance global health. Scientist @WHO Global TB Programme

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Reposted by Samuel G. Schumacher
Frank Harrell @f2harrell.bsky.social · 24/03/2026
Celebrating the draft FDA Bayesian guidance document with our perspective in @jama.com. Honored to co-author w/Jack Lee (MD Anderson), Lisa LaVange (past director of Office of Biostatistics FDA CDER&president of ASA),& my Bayesian inspiration Sir David Spiegelhalter jamanetwork.com/journals/jam...
jamanetwork.com
Embracing Bayesian Methods in Clinical Trials
This Perspective discusses the importance of the US Food and Drug Administration’s draft guidance on the use of bayesian methods in clinical trials because it underscores its commitment to modernizing...
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Samuel G. Schumacher @sgschumacher.bsky.social · 01/07/2025
📣 WHO invites feedback on the draft Guidance on Evidence Generation for TB Preventive Treatment (GEG-TPT) — open for public comment until 1 August 2025. Help shape future @WHO guidelines on #TB prevention. WHO Newsflash here: buff.ly/zaIVweX
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Samuel G. Schumacher @sgschumacher.bsky.social · 23/06/2025
WHO launches Public call for individual participant data on on BPaL, BPaLM, BPaLC and BDLC for the treatment of drug-resistant tuberculosis buff.ly/r1SqM8m
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Reposted by Samuel G. Schumacher
Daniel Grint @danieljgrint.bsky.social · 13/06/2025
NEW PRE-PRINT (currently going through peer review) In this secondary analysis of the RIFASHORT trial we classified TB disease severity at baseline and show that for the majority of people 4-months of rifampicin-based treatment, without the use of a quinolone, was non-inferior to the 6-month SOC.
doi.org
Xpert MTB/RIF® cycle threshold as a marker of TB disease severity; Implications for TB treatment stratification
Introduction Recent trials have demonstrated that shortened four-month treatment durations are effective for the majority of people with tuberculosis (TB). However, there is a population of TB patient...
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Samuel G. Schumacher @sgschumacher.bsky.social · 09/06/2025
🌍 WHO kicks off work on the Guidance on Evidence Generation (GEG) for new #TB diagnostics! A clear playbook to help innovators & researchers produce the robust data WHO needs for rapid policy decisions. 🚀 #GlobalHealth #EndTB
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Reposted by Samuel G. Schumacher
Tom Yates @tomayates.bsky.social · 20/05/2025
If you are at a loose end next Tuesday, come hear me and @danieljgrint.bsky.social talk about endpoints in TB trials Hybrid event, in London and online Most of the same ideas available in written form here www.thelancet.com/journals/lan... #IDSky #TBSky @sgschumacher.bsky.social
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Samuel G. Schumacher @sgschumacher.bsky.social · 08/05/2025
JUST PUBLISHED: Results from the BEAT Tuberculosis trial of the 6-month BDLLxC regimen, which supported recently released updated #TB treatment guidelines buff.ly/FX9WdNR buff.ly/8w1xt4l
buff.ly
BEAT Tuberculosis: a randomized controlled trial of a 6-month strategy for rifampicin-resistant tuberculosis
Background Safer, more effective treatment regimens for rifampicin-resistant tuberculosis are needed. We evaluated a novel six-month RR-TB treatment strategy. Methods We conducted a phase III,…
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Reposted by Samuel G. Schumacher
Katherine Horton @kchorton.bsky.social · 27/04/2025
#Tuberculosis prevention and care relies heavily on international donor funding in many settings. In our latest preprint, we examine the potential impact of reductions in international donor funding for #TB - by the US and by other major donor countries. 1/8 www.medrxiv.org/content/10.1...
medrxiv.org
The potential impact of reductions in international donor funding on tuberculosis in low- and middle-income countries
Background Tuberculosis services in many settings rely heavily on international donor funding. In 2025, the United States Agency for International Development (USAID) was dismantled, and other countri...
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Reposted by Samuel G. Schumacher
btnin24.bsky.social @btnin24.bsky.social · 24/04/2025
Just out! journals.plos.org/globalpublic... Clinical trial costs transparency as a tool to facilitate equitable access. A call to action! Please spread the word @msf.ca @madhupai.bsky.social @johngreensbluesky.bsky.social @catherineberry.bsky.social @sgschumacher.bsky.social @cdmitpih.bsky.social
journals.plos.org
Cost analysis of the TB-PRACTECAL clinical trial on novel tuberculosis treatment regimens
Clinical trials are considered to be the largest contributor to pharmaceutical development costs. However, public disclosure of the costs of individual clinical trials is rare. Médecins Sans Frontiè...
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Samuel G. Schumacher @sgschumacher.bsky.social · 23/04/2025
www.linkedin.com/posts/activi...
linkedin.com
Diagnostic accuracy of swab-based molecular tests for tuberculosis using… | Seda Y.
The R2D2 TB Network Consortium has just released a preprint on the first-ever study evaluating the diagnostic accuracy of novel near-point-of-care MTB assays using tongue and sputum swabs for tubercul...
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Samuel G. Schumacher @sgschumacher.bsky.social · 17/04/2025
GOOD NEWS: 25% price reduction for pretomanid - price of a BPaLM treatment course is now $310. The vast majority of DR-TB patients can benefit from this shorter, more effective regimen now. And it is cost-saving to health systems. Countries should transition away from other options rapidly.
linkedin.com
Global Drug Facility Announces Another Big Price Drop: 25% Reduction in… | Samuel G. Schumacher
GOOD NEWS: 25% price reduction for pretomanid - price of a BPaLM treatment course is now $310. The vast majority of DR-TB patients should be able to benefit from this shorter, more effective regimen n...
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Samuel G. Schumacher @sgschumacher.bsky.social · 16/04/2025
WHO launches an update on the consolidated guidelines to diagnose #tuberculosis createsend.com/t/d-CCE83795...
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Samuel G. Schumacher @sgschumacher.bsky.social · 15/04/2025
JUST RELEASED: updated WHO TB treatment guidelines, including a recommendation for one new 6m and 3 new 9m regimens for DR-TB: createsend.com/t/d-0CC16B59...
createsend.com
WHO announces landmark changes in treatment of drug-resistant tuberculosis
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Reposted by Samuel G. Schumacher
TB Centre LSHTM @tb-lshtm.bsky.social · 09/04/2025
Did you miss @tb-lshtm.bsky.social & @ucltb.bsky.social Symposium? Or would you like to watch again? Good news: the full recording is now available! tinyurl.com/bdh8fymx @sedonasweeney.bsky.social @kchorton.bsky.social @reinhouben.bsky.social
tinyurl.com
World TB Day Symposium 2025 | LSHTM
Please note more tickets are now available via the link below. On 24 March each year, the world commemorates the day in 1882 when Dr Robert Koch announced his discovery of Mycobacterium tuberculosis
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Samuel G. Schumacher @sgschumacher.bsky.social · 08/04/2025
It was a great pleasure to attend the second WHO Global Clinical Trials Forum -- so much expertise gathered in a single room. www.linkedin.com/feed/update/...
linkedin.com
The Second WHO Global Clinical Trial Forum wrapped up yesterday. More… | Vasee Moorthy MD PhD | 24 comments
The Second WHO Global Clinical Trial Forum wrapped up yesterday. More than 100 leaders from across the clinical trials ecosystem came together: Researchers. Funders. Regulators. Ethicists. Private…
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Samuel G. Schumacher @sgschumacher.bsky.social · 26/03/2025
Please someone tell me that this is fake news
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Reposted by Samuel G. Schumacher
WHO @who.int · 23/03/2025
Severe resource shortages are threatening the global response to end #tuberculosis (TB). A quarter of the world’s population could be infected with TB and not even know it. Is there a cure? What is the treatment? How do we diagnose TB? Listen in to Dr Tereza Kasaeva on Science in 5. bit.ly/4kRdJXE
bit.ly
WHO's Science in 5 - Facing the TB crisis (Tuberculosis) - 21 March 2025
Episode #135 / March 21, 2025 / Tuberculosis - TB Severe resource shortages are threatening the global response to end tuberculosis. Is the world on the brink of a global TB crisis? A quarter of the world’s population could be infected with TB and not even know it. Is there a cure?  What is the treatment? How do we diagnose TB? Listen in to Dr Tereza Kasaeva on Science in 5 today. Activez les sous-titres dans VOTRE langue ! ¡Activa los subtítulos en TU idioma! Активируйте субтитры на ВАШЕМ языке! قم بتفعيل الترجمة في لغتك! 激活自动翻译功能,使用您的语言字幕! Aktivieren Sie Untertitel in IHRER Sprache! Washa manukuu katika lugha YAKO! अपनी भाषा में सबटाइटल सक्रिय करें! You can watch Science in 5 in your language by using the "Auto-translate" feature in YouTube: https://youtu.be/CHsrz1VV--g Activate the subtitles first and then choose your language! Go to bottom right of the video + Settings + Subtitles/CC + Auto-translate and then choose the language of your choice. Some other episodes were also published in these linguistic playlists: Spanish: https://youtube.com/playlist?list=PL6hS8Moik7ktt7QccOeLSyI1agc6yRHjj French: https://youtube.com/playlist?list=PLiIQJ9sPqPFxQyKvHIVxI-mbiTsAI6Six Portuguese: https://youtube.com/playlist?list=PL6hS8Moik7kux2qXeA0jHCNyK4GVorTJM Thai: https://youtube.com/playlist?list=PL9S6xGsoqIBXRQzSDOfFb13iPrbL8fgy1 Nepali: https://youtube.com/playlist?list=PLv3LbY_wohnNmC0c5yAjlyYO-AsKynshD Maithili: https://youtube.com/playlist?list=PLv3LbY_wohnOzLMPfIg4evuGnNUifuaXX Bahasa: https://youtube.com/playlist?list=PLekyghuTrqcaanPy2F-LiW368Emsg1A2J Tetum: https://youtube.com/playlist?list=PLDj7fL7ecKij-CD-4DBTzPwg_tnFUOowt
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Samuel G. Schumacher @sgschumacher.bsky.social · 19/03/2025
Last year we released WHO Guidance on evidence generation (GEG) on new regimens for #TB treatment — a first-of-its-kind document that provides advise on how evidence should be generated to optimally inform WHO guideline development: bsky.app/profile/sgsc... www.who.int/publications...
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Samuel G. Schumacher @sgschumacher.bsky.social · 17/03/2025
Great to see more data coming out from programmatic implementation of BPaLM (Belarus, Uzbekistan, Pakistan): ~800 patients & >90% success rate! pubmed.ncbi.nlm.nih.gov/39964841/ pubmed.ncbi.nlm.nih.gov/39544887/ No FU post-Rx completion since based on routine data - but still good to see this
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Samuel G. Schumacher @sgschumacher.bsky.social · 12/03/2025
It was a great pleasure to talk about our work -- here an overview of the 21 key messages from the guidance and the link to the full document: iris.who.int/bitstream/ha...
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Samuel G. Schumacher @sgschumacher.bsky.social · 07/03/2025
Amidst all the bad news these days, I much enjoyed listening to this interview with Dr Rajiv Bahl, DG of @ICMRDELHI. Wonderful and inspiring to hear his vision for ICMR. The positive impact I expect it will have on the future of Global Health gives me hope. buff.ly/NUoUhPy
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Ep #1 | Charting the Future of Medical Research in India with Dr. Rajiv Bahl, DG ICMR
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
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Samuel G. Schumacher @sgschumacher.bsky.social · 07/03/2025
SMART4TB "axed" amidst dismantling of USAID
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Massive $200 million TB research programme derailed by US funding cuts
Just over a month after US President Donald Trump implemented a 90-day freeze of all foreign assistance, the future looks very uncertain for tuberculosis research. Among others, a large TB research…
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Samuel G. Schumacher @sgschumacher.bsky.social · 03/03/2025
Just out: summary of WHO consultation on asymptomatic TB (aka subclinical TB) createsend.com/t/d-DDBC4043...
createsend.com
WHO consultation on addressing asymptomatic TB in the TB response
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Reposted by Samuel G. Schumacher
tbrigden.bsky.social @tbrigden.bsky.social · 21/02/2025
Challenge to the #TB community.... what are the RCT's we really need to push things forward in TB? @who.int is putting a call out as part of their Global Clinical Trials Forum. www.thelancet.com/journals/lan... @catherineberry.bsky.social @madhupai.bsky.social @sgschumacher.bsky.social
thelancet.com
Identifying key randomised clinical trials that could transform clinical care and public health
Clinical trials have been pivotal to the improvements in public health and clinical care, leading to many millions of additional years of healthy life globally. Some examples of disease areas in which...
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Samuel G. Schumacher @sgschumacher.bsky.social · 14/02/2025
Vasee Moorthy and Jeremy Farrar call for Identifying key randomised clinical trials that could transform clinical care and public health in @thelancet.bsky.social www.thelancet.com/journals/lan...
thelancet.com
Identifying key randomised clinical trials that could transform clinical care and public health
Clinical trials have been pivotal to the improvements in public health and clinical care, leading to many millions of additional years of healthy life globally. Some examples of disease areas in which...
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Reposted by Samuel G. Schumacher
Madhu Pai, MD, PhD @madhupai.bsky.social · 13/02/2025
With its anti-science and anti-public health policies, the US is now at risk for outbreaks of tuberculosis As @johngreensbluesky.bsky.social put it, "TB is both a form and expression of injustice" www.thelancet.com/journals/lan...
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Carole Mitnick @cdmitpih.bsky.social · 30/01/2025
Proud to see the endTB trial, work of a huge team, led by @partnersinhealth.bsky.social, @msf.org, IRD & supported by @unitaid.bsky.social, published in @nejm.org today. Safe, effective, shortened treatments for drug-resistant TB can be available to all. #TBSky #ForeignAid tinyurl.com/NEJM-endTB
tinyurl.com
Oral Regimens for Rifampin-Resistant, Fluoroquinolone-Susceptible Tuberculosis | NEJM
For decades, poor treatment options and low-quality evidence plagued care for patients with rifampin-resistant tuberculosis. The advent of new drugs to treat tuberculosis and enhanced funding now p...
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Samuel G. Schumacher @sgschumacher.bsky.social · 27/01/2025
WHO takes forward the establishment of a country-led, streamlined platform for clinical trials in #TB treatment createsend.com/t/d-B1426282...
createsend.com
WHO takes forward the establishment of a country-led, streamlined platform for clinical trials in TB treatment
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Reposted by Samuel G. Schumacher
Carole Mitnick @cdmitpih.bsky.social · 12/01/2025
Please share widely. @madhupai.bsky.social @fvlscience.bsky.social @dopapus.bsky.social @sgschumacher.bsky.social
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Catherine Berry (she/her) @catherineberry.bsky.social · 19/12/2024
Exciting to see TB Champ and V-quin, FQ preventative therapy for MDR-TB in print. Congratulations to @jaseddon.bsky.social, Anneke Hesseling, Greg Fox and co-authors. @actnet.bsky.social @absteward.bsky.social @citc-tb.bsky.social @sgschumacher.bsky.social @kncvtbplus.bsky.social @tbfighters.org
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Samuel G. Schumacher @sgschumacher.bsky.social · 16/12/2024
Today WHO released Guidance on evidence generation (GEG) on new regimens for #TB treatment — a first-of-its-kind document that advises researchers, developers, funders, and other stakeholders about how evidence should be generated to optimally inform WHO guideline development.
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Samuel G. Schumacher @sgschumacher.bsky.social · 13/12/2024
WHO launches new clinical trials guidance – What do I need to know?
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WHO launches new clinical trials guidance – What do I need to know?
In September 2024, WHO published its groundbreaking guidance on best practices for clinical trials - establishing, for the first time, a global framework app...
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Samuel G. Schumacher @sgschumacher.bsky.social · 02/12/2024
LIFT-TB results on operational research with BPaL among 574 patients in Indonesia, Kyrgyzstan, Myanmar, Philippines, Ukraine, Uzbekistan, Vietnam suggest 91% efficacy
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Introducing BPaL: Experiences from countries supported under the LIFT-TB project
Background Previously, drug-resistant tuberculosis (DR-TB) patients were treated with long, toxic, and relatively ineffective regimens. However, in recent years, there have been major improvements…
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Samuel G. Schumacher @sgschumacher.bsky.social · 29/11/2024
READ THIS: Clinical trials versus the real world in tuberculosis control Editorial from @thelancet.bsky.social Infectious Diseases. Could not agree more with many of the challenges outlined here in relation to clinical trials. buff.ly/4i8LJ0d
thelancet.com
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Samuel G. Schumacher @sgschumacher.bsky.social · 29/11/2024
In the coming weeks we will release 'Guidance on evidence generation (GEG) on new regimens for tuberculosis treatment' -- a first-of-its-kind WHO document.
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Peter MacPherson @petermacp.bsky.social · 21/11/2024
🚨New Publication🚨 led by @biancasossen.bsky.social In a 7 country study, we found that urine Xpert Ultra was as sensitive & more specific than AlereLAM for #TB diagnosis in people with #HIV Also predicts mortality and allows detection of Rif resistance. authors.elsevier.com/sd/article/S... 🧪🛟
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Samuel G. Schumacher @sgschumacher.bsky.social · 13/11/2024
Interim results from endTB-Q: 6-9m BDCL (86%) vs 18m standard of care regimen (88%) favorable outcomes. A lot more to unpack... buff.ly/4fCqO3z buff.ly/3YZTJZT Protocol here: buff.ly/40BhHMo
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Samuel G. Schumacher @sgschumacher.bsky.social · 12/11/2024
New guidance document on clinical trials just published by WHO. Strongly encourage anyone working on clinical trials to read this document buff.ly/3XWHRap
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Samuel G. Schumacher @sgschumacher.bsky.social · 12/11/2024
"In 2023, Tuberculosis (TB) probably returned to being the world’s leading cause of death from a single infectious agent, following 3 years in which it was replaced by coronavirus disease (COVID-19), and caused almost twice as many deaths as HIV/AIDS." buff.ly/3C3Hsuw
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Samuel G. Schumacher @sgschumacher.bsky.social · 12/11/2024
Otsuka announcing their plans for a Phase 3 trial of their novel #TB drug Quabodepistat (sorry for the poor resolution). Good to see one of the novel drugs move ahead to a registrational trial!
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Samuel G. Schumacher @sgschumacher.bsky.social · 12/11/2024
Updated clinical pipeline by the Working Group for New Drugs - @newtbdrugs buff.ly/3Atygzg
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