Exploring the neuroprotective potential of ligustrazine: a preclinical meta-analysis and machine learning perspective on cerebral ischemia-reperfusion injury

ObjectiveThis study aimed to assess the efficacy of ligustrazine in treating cerebral ischemia-reperfusion (I/R) injury and construct a preclinical evidence framework by meta-analysis and machine learning.MethodsA systematic search was conducted for preclinical studies published in PubMed, Embase, Web of Science, and the Cochrane Library up to June 25, 2024. The inclusion criteria encompassed preclinical animal studies pertinent to the topic. Data extraction was performed independently by two individuals, Stata 17.0 software was used for quantitative analysis, R (version 4.3.3) and Python (version 3.11.4) were used for machine learning with neurological function score as the dependent variable.ResultsA total of 23 articles were included, involving 381 animals in the meta-analysis and 321 animals in the machine learning component. Ligustrazine significantly improved neurofunctional scores (NFS) [Longa criteria, SMD = −1.59, 95%CI (−2.16, −1.01), P < 0.001; mNSS criteria, SMD = −1.67, 95%CI (−2.36, −0.97), P < 0.001], cerebral infarct volume (%) [SMD = −2.56, 95%CI (−3.03, −2.09), P < 0.001], and BBB [SMD = −3.06, 95%CI (−4.53, −1.59), P < 0.001]. Furthermore, machine learning analyses, with NFS as the dependent variable, identified the time of first dose, duration, and dose as key determinants of neurofunctional improvement with ligustrazine. Notably, model interpretation suggested that greater improvements were more likely to occur when the initial administration of ligustrazine occurred within 24 h prior to (or 2.21 h post) the ischemic event, at a dosage of 23.53–34.69 mg/kg/day (or 45.71 to 75.65 mg/kg/day), and with an administration duration exceeding 71.43 h.ConclusionThe combination of meta-analysis and machine learning in this study not only confirms that ligustrazine is effective in reducing cerebral I/R injury, but also provides a framework for elucidating the preclinical intervention variables, thus offering novel insights for optimizing preclinical strategies of ligustrazine in cerebral I/R injury.

Exercise as a multiscale recalibration of stress-related homeostatic balance

Chronic stress disrupts homeostasis in the brain and body, leading to anxiety, depression, and cardiovascular and metabolic dysfunction. Although exercise can counter these effects, the mechanisms are scattered across fields and not yet integrated. This review proposes a multi-scale framework. Exercise is not only stress-relieving; it is also a controllable challenge that can recalibrate the system when repeated bouts are matched by sufficient recovery and bioenergetic support. We propose that repeated exercise engages a stress response–adaptation–recovery cycle, in which peripheral signals from skeletal muscles, liver, adipose tissue and gut convey body metabolic state to the brain and are consolidated into durable plasticity only when mitochondrial capacity, substrate availability, and redox balance permit recovery. These signals pass through the blood-brain barrier and engage plasticity switches, including neurotrophic signals, epigenetic modification and metabolic coupling, thus stabilizing the neural circuits of threat appraisal, reward processing and contextual memory. By integrating these dimensions, we clarify how exercise can transform short-term physical stress into lasting resilience and provide direction for future research.

Task-aligned outcome learning in psychiatry: reducing endpoint dilution

Psychiatric research relies on well-defined outcomes for standardization, comparability, and replication, yet investigators often fix broad endpoints before knowing which symptom domains carry task-relevant signal. Even when psychometrically sound and clinically useful, composite measures can dilute predictive information and attenuate treatment effects when predictability or responsiveness concentrates in only a subset of symptoms—thus making studies appear negative despite meaningful change. This Perspective proposes a task-aligned, two-stage machine-learning framework for learning the appropriate outcome. In the first stage, constrained discovery derives a clinically interpretable outcome from a prespecified item pool. In the second, confirmatory evaluation tests the prespecified hypothesis either on a fixed learned outcome, when the aim is to assess a previously derived endpoint in a closely matched study, or on a relearned outcome generated by the same prespecified procedure, when the aim is to test whether that procedure can recover a task-aligned endpoint across different studies. The framework complements psychometrics and open-science practices, shifting focus from broad unsupervised composites to empirically supported targets, with safeguards to keep results interpretable and rigorous.

The correlation between phubbing and depression anxiety stress of first-year medical students: the mediating role of sedentary behavior

BackgroundFreshmen often experience challenges when adjusting from high school to college, which may elevate levels of depression, anxiety, and stress. This phenomenon is particularly pronounced in medical schools, where the overall academic atmosphere is widely regarded as exceptionally demanding and stressful.ObjectivesTo examine the indirect effect of sedentary behavior on the relationship between phubbing and depression anxiety stress of first-year medical students.MethodsThis study conducted a cross-sectional survey with 795 first-year medical students from Soochow University in China from October 2024 to November 2024 by using electronic questionnaire. The instruments were Depression Anxiety Stress Scale-21 (DASS-21), Generic Scale of Phubbing (GSP), and Adolescent Sedentary Activity Questionnaire (ASAQ).ResultsThe findings indicate that first-year medical students’ phubbing and sedentary behavior positively affects their depression anxiety stress (r = 0.120 ~ 0.815, both p < 0.01), and phubbing positively impacts medical students’ sedentary behavior (r = 0.128, p < 0.01). Additionally, sedentary behavior acts as a significant mediator between phubbing and depression, anxiety, and stress. The indirect effect contributes to 1.9%~2.5% of the total effect.ConclusionThese findings indicate that reducing depression anxiety stress in first-year medical students can be achieved not only through direct improvements in phubbing but also through the indirect effects of reducing sedentary behavior.

Autonomic nervous system reactions to secondary exposure to disaster-related imagery

AimThis study investigated how disaster-related imagery affects emotional and autonomic nervous system (ANS) responses, using heart rate (HR) and heart rate variability (HRV), in individuals with indirect exposure to the 2011 Great East Japan Earthquake (GEJE).MethodsThirty-six healthy adults who had experienced strong ground shaking during the GEJE, but not the tsunami directly, viewed four types of videos: natural scenery (neutral), earthquake scenes, tsunami footage, and promotional videos repeatedly broadcast after the disaster. Subjective emotional responses (State-Trait Anxiety Inventory, Positive and Negative Affect Schedule), HR, and HRV indices were measured before, during, and after each video.ResultsCompared to the neutral video, disaster-related videos significantly decreased HR and HRV during viewing, indicating an orienting or freeze-type ANS response. Earthquake footage, likely to evoke autobiographic fear, predominantly suppressed parasympathetic indices, while tsunami footage, associated with vicarious fear, predominantly suppressed sympathetic activity. Immediately after viewing, sympathetic activation increased significantly, consistent with a rebound active defense pattern. Notably, promotional videos did not induce subjective distress but still altered HR and HRV indices, suggesting unconscious physiological reactivity.ConclusionDisaster-related imagery evokes distinct ANS responses depending on the emotional content and the viewer’s trauma history. Autobiographic and vicarious fear may differentially affect sympathetic and parasympathetic suppression, respectively. Furthermore, this cross-sectional evaluation demonstrates that even seemingly non-invasive media exposure years after a disaster can trigger autonomic changes. These findings underscore the urgent need for appropriate media broadcasting guidelines to protect public health following both seismic and climatic catastrophes.

Joint latent profiles of death anxiety and treatment adherence in HCC patients

BackgroundHepatocellular carcinoma (HCC), one of the leading contributors to the global cancer burden, often places patients in a dual predicament of pronounced death anxiety and suboptimal treatment adherence. Prior research has largely treated death anxiety and adherence as independent, homogeneous constructs, thereby overlooking potential within-population heterogeneity and their co-occurring patterns. This study adopted a person-centered approach to identify joint latent profiles of death anxiety and treatment adherence among patients with HCC and to examine factors associated with profile membership.MethodsA cross-sectional design was employed. From October to November 2025, 586 patients with HCC were recruited via convenience sampling from five tertiary general hospitals in Shenzhen, Beijing and Lhasa, China. Data were collected using the Death Anxiety Scale (DAS), General Medication Adherence Scale (GMAS), Health Literacy Scale Short-Form (HLS-SF), and Fear of Progression Questionnaire–Short Form (FoP-Q-SF).ResultsLatent profile analysis identified three qualitatively distinct subgroups: low death anxiety–high treatment adherence, moderate death anxiety–moderate treatment adherence, and high death anxiety–low treatment adherence. Across profiles, death anxiety and treatment adherence exhibited a clear inverse co-variation pattern. Multinomial logistic regression indicated that health literacy and fear of disease progression were key psychosocial factors differentiating profile membership. In addition, demographic and disease-related variables showed varying predictive effects on profile assignment.ConclusionsPatients in the high death anxiety–low treatment adherence profile may represent a clinically important high-risk subgroup for targeted screening and supportive care. Clinical practice should emphasize assessment of health literacy and profile-specific psychosocial needs when planning stratified interventions. However, because of the cross-sectional design, the observed associations should not be interpreted causally, and longitudinal studies are needed to examine temporal transitions between profiles and their effects on subsequent treatment outcomes.

Endometriosis May Increase Risk of Birth Defects

Women with endometriosis have a small but significant increased risk for having babies with birth defects, such as those affecting the heart, gastric, genital, or musculoskeletal system, compared with women without the condition.

As reported in the Canadian Medical Association Journal, 6.3% of infants born to women with endometriosis included in the study had a congenital anomaly, compared with 5.4% of infants born to those without the condition.

Notably, only around 11% of the increased risk could be attributed to fertility treatment meaning that the condition itself is likely responsible for the small increase in risk. It suggests that endometriosis itself, likely through inflammatory pathways, oxidative stress, or epigenetic mechanisms, may directly disrupt fetal organogenesis.

Endometriosis is a chronic condition where tissue similar to the uterine lining grows outside the uterus, causing severe pelvic pain, painful periods, and often infertility. It affects an estimated 6.5 million women in the U.S., though many go undiagnosed for years.

“Endometriosis can trigger inflammation and oxidative stress, which have been linked to abnormal organogenesis in offspring. This disruption in organogenesis can lead to functional or structural anomalies that occur in utero, which typically develop in the first trimester of gestation,” write lead author Bailey Milne, Queen’s University, Kingston, Ontario, and colleagues.

“Some studies have reported an increased risk of genital defects among infants born to women with endometriosis; however, data are lacking on the risk of other congenital anomalies.”

To investigate this further, Milne and team conducted a large population-based cohort study using Ontario health administrative data, examining over 1.46 million births between 2006 and 2021. The aim was to quantify the risk of congenital anomalies in infants born to women with a pre-existing diagnosis of endometriosis.

Overall, 33,619 (2.3%) women included in the study had endometriosis. Women with endometriosis had a 16% increase in risk for having a baby with a congenital birth defect compared with women without the condition and 89% of this risk could be attributed to the presence of endometriosis and not possible confounding factors like fertility treatment. The most common associated defects were cleft palate, male genitourinary malformations, and cardiovascular abnormalities.

“Although this study contributes to accumulating data on a potential increased risk of birth defects for infants born to patients with endometriosis, the specific mechanistic pathways remain largely unknown,” write Milne and coauthors.

“A theorized mechanism by which endometriosis might increase risk of any congenital anomaly is through inflammatory pathways. The existing literature suggests a need for more comprehensive models that integrate genetic, epigenetic, and environmental factors to better understand this.”

The post Endometriosis May Increase Risk of Birth Defects appeared first on Inside Precision Medicine.

Calming Minds Study

Conditions: Anxiety; Anxiety Depression; Worry; Depression; Rumination – Thoughts

Interventions: Behavioral: Be Specific; Behavioral: Be Kind; Behavioral: Be Present; Behavioral: Break Habit; Behavioral: Psychoeducation

Sponsors: University of California, Los Angeles; University of Exeter

Not yet recruiting

StockWatch: enGene Shares Crater on Declines in Complete Response Rates to Bladder Cancer Therapy

enGene (NASDAQ: ENGN) stock suffered an 83% plunge this past week that reflects just how competitive the field is among drug candidates for nonmuscle invasive bladder cancer (NMIBC)—and how questions over clinical data are enough to send investors scurrying to sell their shares.

enGene shares cratered 81% Thursday from $8.85 to $1.72, then fell another 13% Friday, reaching a 52-week low as it finished the week at $1.50.

The sharp falloff followed enGene reporting updated data from its Phase II LEGEND trial (NCT04752722) assessing its nonviral gene therapy candidate detalimogene voraplasmid in high-risk, Bacillus Calmette-Guérin (BCG)-unresponsive NMIBC patients with carcinoma in situ (CIS) with or without concomitant papillary disease (CIS±papillary). The data showed a drop in response rates from a November 2025 readout, falling short of company and Wall Street expectations.

As of the April 21 data cutoff, 67 of 124 evaluable patients treated with detalimogene (formerly EG-70) achieved a 54% complete response (CR) at any time, a rate that fell to 43% (52 of 121 evaluable patients) CR rate at six months. That compares with the 63% CR at any time and 62% CR rate at six months shown for the first 62 patients assessed, as announced by enGene in November 2025.

Also, detalimogene showed a nine-month CR rate of 32.7%, which fell to 13.3% at 12 months after treatment. Engene said it will present its data at the American Urological Association Annual Meeting (AUA 2026), set for May 15–18 in Washington, DC.

“While durability outcomes to date are not what we hoped, these data are preliminary,” enGene president and CEO Ron Cooper stressed in a statement. “We are focused on evaluating the totality of the data as it evolves and plan to continue to engage with the FDA and the medical community.”

Speaking to analysts, Cooper added: “The data are not yet fully mature, and the durability picture is incomplete. We plan to await longer-term durability data for all of Cohort 1 in the second half of the year and continue our ongoing discussion with the FDA regarding both our statistical analysis plans and plans for potential BLA filing.”

“Below key benchmarks”

At least two analysts warned that the updated data will make it harder for enGene to compete with other developers of NMIBC treatments now in the clinic.

“Durability now screens below key benchmarks in the setting, which makes it hard for us to underwrite meaningful commercial upside for detalimogene in what will be a crowded mkt, where ~40% 12‑mo CR is the bar to clear,” cautioned Maury Raycroft, PhD, equity analyst with Jefferies, in a research note.

Raycroft slashed enGene’s 12-month price target 82% from $28 to $5. More ominously, Raycroft chopped Jefferies’ peak sales forecasts for detalimogene by 79%—from the $1.7 billion forecasted for the gene therapy across CIS±papillary, papillary‑only, and BCG‑naïve NMIBC, to $350 million for CIS±papillary alone.

The NMIBC treatment space has expanded in recent years as established drugs like the cancer immunotherapy blockbuster Keytruda® (pembrolizumab), marketed by Merck & Co. (NYSE: MRK), have been joined on the market by newer therapies.

One is Johnson & Johnson (NYSE: JNJ)’s Inlexzo™ (gemcitabine), an intravesical drug releasing system (iDRS) designed to provide sustained local delivery of a cancer treatment into the bladder. Two other newer therapies are Adstiladrin® (nadofaragene firadenovec-vncg), a nonreplicating adenoviral vector-based gene therapy indicated for high-risk BCG-unresponsive NMIBC with CIS±papillary and marketed by privately held Ferring Pharmaceuticals (which licensed the drug from another private company, FKD Therapies, in 2018); and ImmunityBio (NASDAQ: IBRX)’s interleukin-15 (IL-15) receptor agonist Anktiva® (nogapendekin alfa inbakicept-pmln), indicated with BCG. ImmunityBio is part of the privately held NantWorks portfolio of companies.

Those marketed drugs are expected to be joined over the next couple of years by candidates being developed by:

  • CG Oncology (NASDAQ: CGON), which is expected to report topline data from the Phase III PIVOT-006 trial (NCT06111235) of cretostimogene grenadenorepvec, also called CG0070, as an adjuvant therapy in intermediate-risk NMIBC. First results on the combo of cretostimogene with gemcitabine from the Phase II CORE-008 trial (NCT06567743) are to be presented at AUA 2026.
  • Relmada Therapeutics (NASDAQ: RLMD), which will present two abstracts focused on its NDV-01, a sustained-release intravesical formulation of gemcitabine and docetaxel being developed to treat NMIBC at AUA 2026. Relmada plans to present nine-month complete response data from its open-label Phase II trial (NCT06663137) assessing NDV-01 in high-risk NMIBC, as well as discuss its open-label Phase III BOOST trial (NCT07313891), which is evaluating NDV-01 vs. surveillance following transurethral resection of bladder tumor (TURBT).

Mani Foroohar, MD, senior managing director, genetic medicines, and a senior research analyst with Leerink Partners, noted that enGene’s 54% any time and 43% six-month updated CR rates lagged behind those of three competitors: Anktiva (71% and 56%), cretostimogene (75.5% and 64%), and Inlexzo (82% and 59%). However, he added that Adstiladrin was more comparable to detalimogene, which showed rates of 51% and 41%.

Competitive position concern

“Weaker data in recent patient cohorts and lower-than-expected durability trends undermine our confidence in [detalimogene]’s competitive position and essentially foreclose the possibility of closing the efficacy gap with CGON, JNJ, etc., in a later LEGEND update,” Foroohar wrote in a research note.

“With shares trading at a level pricing in program failure, investor focus will center on cohort consistency, data evolution with longer follow-up, and FDA interpretation of the totality of the dataset (questions that will take time to address and will not be resolved prior to full LEGEND data/subsequent regulatory engagement,” Foroohar added.

Like Raycroft, Foroohar also now projects $350 million in unadjusted peak year sales for detalimogene, shredding his firm’s projection by 65% from $1 billion.

“From here, investor discussion will center on whether longer follow-up and additional cohort maturation can stabilize efficacy trends ahead of further FDA engagement in 2H26.”

enGene and Cooper insist that detalimogene is more than up to the challenge of competing with other NMIBC treatments. Of the 52 patients who responded at six months, 37 of 44 patients who had a nine-month assessment were in CR (an additional eight patients are pending evaluation), while 13 of 22 patients who had a 12-month assessment were in CR (an additional 11 patients are pending evaluation).

Among patients who showed the 43% six-month CR rate, 14% (6 of 43) successfully converted from non-CR to CR post re-induction.

The company cited other data from the LEGEND trial showing that the progression rate to muscle-invasive or advanced disease was 3.2%, a figure enGene calls low. Detalimogene was generally well tolerated, the company added, with 55% of patients having experienced a treatment-related adverse event (TRAE), mostly mild (Grade 1 and 2), though six patients (4.8%) reported a Grade 3 TRAE.

“These updated data continue to reinforce the favorable safety and tolerability profile of detalimogene and its clinical activity in a heavily pretreated, high-risk NMIBC patient population with limited therapeutic options,” enGene’s Cooper stated. “Importantly, the low rate of progression to muscle-invasive disease leaves patients eligible for other bladder-sparing therapies.”

Detalimogene’s favorable safety profile was also acknowledged by Jefferies’ Raycroft: “We continue to view this administrability/safety profile as a core differentiator vs other intravesical gene/immune constructs (and a key adoption lever), even as durability to date is tracking below expectations.”

IPO roundup: Odyssey raises $304M, drops 9%

Odyssey Therapeutics (NASDAQ: ODTX) raised $304 million in gross proceeds through an upsized initial public offering (IPO) by selling 15.5 million shares priced Thursday at $18 a share, the top of its $16–$18 range, and well above the 13.2 million shares it disclosed in its prospectus just before the offering. Concurrently, an affiliate of TPG Life Sciences Innovations purchased 1.39 million shares at the IPO price, raising another $25 million for Odyssey.

But on their first full day of trading on Friday, Odyssey’s shares fell 9%, closing at $16.42, as investors deemed the upsizing to be aggressive.

Odyssey, a developer of targeted therapies for autoimmune and inflammatory diseases, said it would use approximately $135 million in IPO proceeds to advance its lead candidate, the oral small molecule RIPK2 scaffolding inhibitor OD-001, through 12-week induction readouts from its planned Phase IIa combination trial and Phase IIb monotherapy trial in ulcerative colitis.

Plans also call for using approximately $50.0 million of proceeds to advance Odyssey’s oral small molecule SLC15A4 inhibitor OD-002 through IND-enabling activities and a planned Phase I/IIa trial; and the rest for additional discovery, preclinical, and clinical activities for disclosed or future programs, enabling capabilities, as well as general corporate purposes, working capital, and other capital expenditures.

An option to purchase up to an additional 2.325 million shares at the IPO price is held by Odyssey’s IPO underwriters: J.P. Morgan, TD Cowen, and Cantor are joint book-running managers, while Wedbush PacGrow and Oppenheimer are co-lead managers.

The Odyssey IPO is one of four biotech IPOs emerging in recent weeks:

  • Hemab Therapeutics Holdings (NASDAQ: COAG), based in Cambridge, MA, and Copenhagen, closed its IPO on May 4, having raised $346.7 million by selling 19,262,500 shares at $18 a share—the original offering of 16.75 million shares, plus all 2,512,500 shares for which underwriters held purchase options. Goldman Sachs, Jefferies, and Evercore ISI were joint book-running managers; Wedbush PacGrow was the lead manager. Shares have since jumped 40%, closing Friday at $25.12.
  • Seaport Therapeutics (NASDAQ: SPTX) of Boston garnered $254.88 million on April 30 by selling 14.16 million shares at $18 a share. Seaport’s underwriters have a 30-day option to buy an additional 2.124 million shares at the IPO price less underwriting discounts and commissions. Goldman Sachs, J.P. Morgan, Leerink Partners, Citigroup, and Stifel are joint book-running managers. Shares have since slipped 11%, closing Friday at $16.05.
  • A day earlier, Avalyn Pharma (NASDAQ: AVLN), also of Boston, launched an IPO that garnered $300 million by selling 16,666,667 shares at $18 a share—and revived the market of biotech initial offerings after a lull during March and early April. Avalyn ultimately racked up $345 million in gross proceeds after its underwriters exercised in full their option to buy 2.5 million more shares at the IPO price. Morgan Stanley, Jefferies, Evercore ISI, and Guggenheim Securities were joint book-running managers. Shares have since vaulted 52%, closing Friday at $27.33.

Leaders and laggards

  • Atara Biotherapeutics (NASDAQ: ATRA) shares nearly doubled, leaping 92% from $5.15 to $9.93 Thursday after saying its partner Pierre Fabre Pharmaceuticals (PFP) had a productive Type A meeting with FDA officials to discuss an approval path for tabelecleucel (tab-cel). PFP’s Biologics License Application (BLA) has been rejected twice by the agency through Complete Response Letters, the most recent one in January. The FDA, Atara said, agreed that a single-arm study with an “appropriate” historical control, conducted in a pre-specified manner, “could serve as an adequate and well-controlled study and provide safety and efficacy data in support of a future marketing application.” Atara said PFP intends to submit updated data with longer follow-up from the pivotal Phase III ALLELE trial (NCT03394365) assessing tabelecleucel in adults and children ages 2+ with relapsed/refractory Epstein-Barr virus plus post-transplant lymphoproliferative disease (PTLD) following solid organ transplant or hematopoietic cell transplant.
  • Entrada Therapeutics (NASDAQ: TRDA) shares nosedived 57% Thursday from $16.03 to $6.85 after the genetic medicine developer reported topline data from Cohort 1 of the multiple ascending dose (MAD) portion of the Phase I/II ELEVATE-44-201 trial (NCT07037862) that the company called positive, but which disappointed investors. Entrada said its Duchenne muscular dystrophy (DMD) candidate ENTR-601-44 met the trial’s primary objective by showing favorable safety and tolerability, no discontinuations, and no serious adverse events. But data showed an increase of 2.36% in dystrophin from a baseline of 4.00%—compared to the 10% increase sought by analysts such as Myles R. Minter, PhD, of William Blair. “Management is attributing the miss on biomarker data to lower-than-expected drug exposure,” Minter wrote, “likely due to the transition from dosing adults to juvenile patients.” Entrada cited other positive data, such as lower plasma exposure in Cohort 1 participants ages 6–17 vs. healthy adult volunteers; and markers of kidney function via eGFR, Cystatin C, and magnesium all falling within normal ranges and comparable to placebo.
  • Moderna (NASDAQ: MRNA) shares rose 12% Friday from $48.54 to $54.35 after a news report that the messenger RNA (mRNA)-based vaccine developer was researching vaccines designed to protect against hantaviruses. In a statement, Moderna disclosed that it has carried out early-stage vaccine research on hantaviruses with the U.S. Army Medical Research Institute of Infectious Diseases and is also partnering with the Vaccine Innovation Center at Korea University College of Medicine on a potential jab. “These efforts are early-stage and ongoing and reflect Moderna’s broader responsibility to develop countermeasures against emerging infectious diseases,” Moderna told Bloomberg News. As of Friday, the World Health Organization (WHO) has reported eight cases of hantavirus, including three deaths, among passengers aboard the MV Hondius cruise ship, traveling between Argentina and the Canary Islands in the Atlantic Ocean.
  • Viridian Therapeutics (NASDAQ: VRDN) shares jumped 33% from $14.06 to $18.75 Tuesday after the autoimmune and rare disease drug developer announced positive topline data from the Phase III REVEAL‑2 trial (NCT06625398) assessing elegrobart in chronic thyroid eye disease (TED). Doses of elegrobart given every 4 and 8 weeks achieved what Viridian called “highly statistically significant” 50% and 54% proptosis responder rates (PRR) at week 24, respectively, vs. 15% for placebo. Elegrobart is a subcutaneously delivered, half‑life‑extended monoclonal antibody targeting the insulin‑like growth factor‑1 receptor (IGF‑1R). Viridian said it remains on track to submit a Biologics License Application (BLA) to the FDA for elegrobart in Q1 2027. Viridian cashed in on the news by launching underwritten public offerings of $150 million in convertible senior notes due 2032 and $100 million in Series B nonvoting convertible preferred stock.

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