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Background Uncontrolled hypertension is common in chronic kidney disease (CKD) patients. Electro-hydraulic acoustic therapy (eHAT) is a non-invasive treatment that may lower blood pressure (BP), but its safety and efficacy in CKD remain unclear. This study aimed to evaluate eHAT's feasibility and safety in this population. Methods In this single-arm, prospective, single-center proof-of-concept study, CKD patients received six eHAT treatments over three weeks. BP was assessed in-office (attended and unattended) at baseline and at 4-, 12-, 24-, and 48-weeks post-treatment. Ambulatory BP monitoring (ABPM) was performed at baseline, 12, and 48 weeks. The primary endpoint was change in systolic office BP (OBP) from baseline to 12 weeks. Secondary endpoints included additional BP measurements, kidney function, and safety. Results Fifteen patients completed all follow-ups. At 12 weeks, mean systolic OBP decreased by 9.73 mmHg (SD 14.77; p = 0.0032) and remained significantly lower at 24 weeks (−7.67 mmHg; p = 0.0335) and 48 weeks (−19.40 mmHg; p < 0.0001). Diastolic OBP reductions were significant at 12 ( p = 0.0413) and 48 weeks ( p = 0.0022). By 12 weeks, 26% of participants reduced the number or dose of antihypertensive medications. Kidney function remained stable throughout. No safety signals were detected. Conclusion Our study highlights the feasibility and tolerability of eHAT in patients with CKD and HTN. Nonetheless, due to the small sample size and lack of a control group, these findings should be considered preliminary.

We here present evidence-based guidelines for the pharmacological treatment of migraine. These guidelines, created by the Italian Society for the Study of Headache and the International Headache Society, aim to offer clear, actionable recommendations to healthcare professionals. They incorporate evidence-based recommendations from randomized controlled trials and expert-based opinions. The guidelines follow the GRADE approach for assessing the quality of evidence. The guideline development involved a systematic review of literature across multiple databases, adherence to Cochrane review methods, and a structured framework for data extraction and interpretation. Although the guidelines provide a robust foundation for migraine treatment, they also highlight gaps in current research, such as the paucity of head-to-head drug comparisons and the need for long-term outcome studies. These guidelines serve as a resource to standardize migraine treatment and promote high-quality care across different healthcare settings.

We here present evidence-based guidelines for the pharmacological treatment of migraine. These guidelines, created by the Italian Society for the Study of Headache and the International Headache Society, aim to offer clear, actionable recommendations to healthcare professionals. They incorporate evidence-based recommendations from randomized controlled trials and expert-based opinions. The guidelines follow the Grading of Recommendations, Assessment, Development and Evaluation approach for assessing the quality of evidence. The guideline development involved a systematic review of literature across multiple databases, adherence to Cochrane review methods, and a structured framework for data extraction and interpretation. Although the guidelines provide a robust foundation for migraine treatment, they also highlight gaps in current research, such as the paucity of head-to-head drug comparisons and the need for long-term outcome studies. These guidelines serve as a resource to standardize migraine treatment and promote high-quality care across different healthcare settings.

6026 Background: We examined a large patient dataset based on E1305, a completed phase III randomized trial of platinum-based chemotherapy with or without bevacizumab (Argiris et al. JCO 2019), to evaluate prognostic factors in the first-line treatment of patients with recurrent or metastatic squamous cell carcinoma of the head and neck (RM SCCHN) and expand on our previous observations in cooperative group trials (Argiris et al. Cancer 2004). Methods: All 403 patients enrolled in E1305 were analyzed. Overall survival (OS) was the outcome of interest. Clinical and tumor characteristics were examined using Cox proportional hazards models. Variables which were significant in the univariate setting at a level of ≤ 0.10 were included in a multivariable model, and backwards selection was performed (threshold of p ≤ 0.05). The final multivariable model was then applied to the two treatment arms, separately. Variables for which the hazards ratio (HR) within an arm was more than 10% different than that for the whole cohort, were removed from the final cohort model. Results: The median OS in the whole study cohort was 11.8 months. A prognostic score model for OS was built, using the 4 independent prognostic factors identified in the multivariable model: ECOG performance status (1 vs 0), prior radiation, primary region (non-oropharynx vs oropharynx), and metastatic disease bone or liver (vs other sites/no metastases). Prognostic score was dichotomized (0-2 and > 2). Patients with 0-2 risk factors (n = 249) had a median OS of 15.2 months (90% CI: 13.8, 18.1), while patients with > 2 risk factors (n = 154) had a median OS of 7.6 months (90% CI: 6.5, 9.3); HR of 2.14 (95% CI: 1.73, 2.66), p < 0.0001. Compared to our previous 5-factor model from analysis of older trials in a similar setting, the variable “bone/liver metastasis” is new, but “tumor cell differentiation” and “weight loss” were not significant and not included in the new model for OS. Conclusions: The new proposed model includes 4 prognostic factors for OS (performance status, primary site, prior radiation, presence of bone/liver metastasis) in the first-line treatment of RM SCCHN.

Objective: Arterial hypertension (HTN) coexisting with chronic kidney disease (CKD) presents a significant global healthcare challenge, with limited effective clinical interventions. Electro-Hydraulic Acoustic Therapy (eHAT), a lower-energy modality vs. lithotripsy, emerges as a promising technique for relieving ischemia and promoting tissue regeneration. We hypothesized that eHAT would reduce blood pressure (BP) and preserve renal function in patients with hypertension and CKD. Design and method: Twenty medically treated patients with HTN and Stage IIIa/b CKD enrolled in this prospective, single-arm study were treated over 3-weeks with six eHAT sessions (2400 shockwaves/kidney; 0.09 mJ/mm2 at 2.66Hz; NephrospecTM, Curespec, Yehud, Israel). Follow-up (FU) visits at 1, 3, 6, and 12 months involved measurements of attended and unattended office BP, ambulatory BP and estimated glomerular filtration rate (eGFR). Results: The treatment was well tolerated. All BP measurements strongly tended to decline over 12 months and showed a similar pattern.(Table 1, Figs. 1-3), whereas eGFR was well preserved (Table 1, Fig. 4). Conclusions: Conclusion. eHAT is a tolerable and safe procedure and, moreover, a 3-week regimen tends to reduce BP and preserve eGFR in patients with HTN and CKD. Therefore, eHAT may constitute a novel, safe, and non-invasive alternative therapeutic approach in the management of HTN in the context of CKD.

Abstract Background and Aims Arterial hypertension (HTN) in association with chronic kidney disease (CKD) is a global healthcare burden, yet clinically proven treatments are limited. electro-Hydraulic Acoustic Therapy (eHAT), using ∼10% of the energy used in shockwave lithotripsy, is a promising technique to ameliorate ischemia and regenerate tissues. eHAT has been demonstrated to enhance healing in tissues such as bone, muscle, and myocardium, via several mechanisms, particularly by promoting neovascularization. Furthermore, previous animal studies demonstrated that eHAT reduces blood pressure (BP) and preserves renal function after ischemic kidney injury. The present pilot study explored the clinical safety and efficacy of eHAT and tested the hypothesis that eHAT would reduce BP and preserve renal function in patients with medically-treated hypertension and CKD. Method So far, a total of 15 patients with HTN and Stage III a/b CKD were enrolled in this prospective, single-arm study. The patients were treated with six sessions of eHAT during a 3-week period. At each session, 2400 shockwaves were applied to each kidney with 0.09 mJ/mm2 at 2.66Hz (NephrospecTM by Curespec LTD, Yehud, Israel). Follow-up (FU) visits were performed at 1, 3, and 6 months. Results The treatment was well tolerated with no major adverse events or need for analgesic treatment. Average Automated Office BP (AOBP) showed a strong tendency for a decrease in diastolic BP from baseline to the Primary Efficacy Objective at FU II (3 months post last treatment), which progressively decreased further at FU III (6 months) (Table 1). Similarly, average Office BP (OBP) detected a strong trend for a progressive decrease in systolic BP from baseline to the Primary Efficacy Objective (Table 1). Levels of eGFR appeared to slightly rise throughout the study, but this change has not reached statistical significance levels (Table 1). Conclusion The current study demonstrates that the eHAT procedure is tolerable and safe in this cohort. Moreover, a 3-week regimen tended to reduce BP and preserve eGFR in patients with controlled HTN and CKD. Therefore, electro-Hydraulic Acoustic Therapy may emerge as a novel, safe, and non-invasive alternative therapeutic approach in the management of HTN in the context of CKD.

Objective: Electro-Hydraulic Acoustic Therapy (eHAT), using ∼10% of the energy used in shockwave lithotripsy, is a promising technique to ameliorate ischemia and regenerate tissues. eHAT has been demonstrated to enhance healing in tissues such as bone, muscle, and myocardium, via several mechanisms, particularly by promoting neovascularization. Furthermore, previous animal studies demonstrated that eHAT reduces blood pressure (BP) and preserves renal function after ischemic kidney injury. The present pilot study explored the clinical safety and efficacy of eHAT and tested the hypothesis that eHAT would reduce BP and preserve renal function in patients with medically-treated hypertension and CKD. Design and method: So far, a total of 15 patients with HTN and Stage III a/b CKD were enrolled in this prospective, single-arm study. The patients were treated with six sessions of eHAT during a 3-week period. At each session, 2400 shockwaves were applied to each kidney with 0.09 mJ/mm2 at 2.66Hz (NephrospecTM by Curespec LTD, Yehud, Israel). Follow-up (FU) visits were performed at 1, 3, and 6 months. Results: The treatment was well tolerated with no major adverse events or need for analgesic treatment. Average Automated Office BP (AOBP) showed a strong tendency for a decrease in diastolic BP from baseline to the Primary Efficacy Objective at FU II (3 months post-last treatment), which progressively decreased further at FU III (6 months) (Table 1). Similarly, average Office BP (OBP) detected a strong trend for a progressive decrease in systolic BP from baseline to the Primary Efficacy Objective (Table 1). Levels of eGFR appeared to slightly rise throughout the study, but this change has not reached statistical significance levels (Table 1). Conclusions: The current study demonstrates that the eHAT procedure is tolerable and safe in this cohort. Moreover, a 3-week regimen tended to reduce BP and preserve eGFR in patients with controlled HTN and CKD. Therefore, electro-Hydraulic Acoustic Therapy may emerge as a novel, safe, and non-invasive alternative therapeutic approach in the management of HTN in the context of CKD.

PURPOSE Definitive or postoperative chemoradiation (CRT) is curative for human papillomavirus–associated (HPV+) oropharynx cancer (OPC) but induces significant toxicity. As a deintensification strategy, we studied primary transoral surgery (TOS) and reduced postoperative radiation therapy (RT) in intermediate-risk HPV+ OPC. METHODS E3311 is a phase II randomized trial of reduced- or standard-dose postoperative RT for resected stage III-IVa (American Joint Committee on Cancer-seventh edition) HPV+ OPC, determined by pathologic parameters. Primary goals were feasibility of prospective multi-institutional study of TOS for HPV+ OPC, and oncologic efficacy (2-year progression-free survival) of TOS and adjuvant therapy in intermediate-risk patients after resection. TOS plus 50 Gy was considered promising if the lower limit of the exact 90% binomial confidence intervals exceeded 85%. Quality of life and swallowing were measured by functional assessment of cancer therapy-head and neck and MD Anderson Dysphagia Index. RESULTS Credentialed surgeons performed TOS for 495 patients. Eligible and treated patients were assigned as follows: arm A (low risk, n = 38) enrolled 11%, intermediate risk arms B (50 Gy, n = 100) or C (60 Gy, n = 108) randomly allocated 58%, and arm D (high risk, n = 113) enrolled 31%. With a median 35.2-month follow-up for 359 evaluable (eligible and treated) patients, 2-year progression-free survival Kaplan-Meier estimate is 96.9% (90% CI, 91.9 to 100) for arm A (observation), 94.9% (90% CI, 91.3 to 98.6]) for arm B (50 Gy), 96.0% (90% CI, 92.8 to 99.3) for arm C (60 Gy), and 90.7% (90% CI, 86.2 to 95.4) for arm D (66 Gy plus weekly cisplatin). Treatment arm distribution and oncologic outcome for ineligible or step 2 untreated patients (n = 136) mirrored the 359 evaluable patients. Exploratory comparison of functional assessment of cancer therapy-head and neck total scores between arms B and C is presented. CONCLUSION Primary TOS and reduced postoperative RT result in outstanding oncologic outcome and favorable functional outcomes in intermediate-risk HPV+ OPC.

6010 Background: Definitive or postoperative chemoradiation (CRT) is highly curative for human papillomavirus-associated (HPV+) oropharynx cancer (OPC) but induces significant toxicity. As a potential deintensification strategy, we studied primary transoral surgery (TOS) and, in intermediate pathologic risk patients, reduced dose postoperative RT (PORT). Methods: E3311 is a phase II trial with randomization to reduced- or standard-dose PORT for resected stage III-IVa (AJCC7) intermediate pathologic risk HPV+ OPC, stratified by smoking history. Primary endpoints have been reported; we now present updated 3-year PFS and patient-reported outcomes (PRO), including head and neck-cancer specific quality of life (FACT-H&N) and swallowing perception and performance (MDADI). Results: Of 519 enrolled patients, 495 underwent TOS. The primary oncologic endpoint was 2-year PFS for 50 Gy (Arm B) or 60Gy (Arm C). Among 360 eligible and treated patients (ETP), Arm A (observation, N = 38) enrolled 11%, Arms B (N = 100) or C (N = 109) randomized 58%, and Arm D (66Gy + weekly cisplatin, N = 113) enrolled 31%. With 35.1 months median follow-up, 3-year PFS Kaplan-Meier estimate is 96.9% (90% CI [91.9%, 100%]) for Arm A; 94.9% (90% CI [91.3%, 98.6%]) for Arm B; 93.5% (90% CI [89.4%, 97.9%]) for Arm C; and 90.7% (90% CI [86.2%, 95.4%]) for Arm D. Recurrences and death without recurrence were 4 and 1 in Arm B, and 5 and one in Arm C. Smokers ( > 10 pack-years) did not have worse 3-year PFS in Arms B or C. Treatment arm distribution and outcome for ineligible patients who started adjuvant therapy mirrored the 360 ETP. A comparison combining arms B/C versus arm D in the proportion of patients stable/improved in FACT-H&N total score, from baseline to 6 months post-treatment as a pre-specified endpoint, was 56% vs. 38% (p value = 0.011, one-sided Fisher’s exact test); however, underlying differences in treatment and risk may be confounding. An exploratory comparison between Arms B and C revealed improvement in FACT H&N (63% in Arm B vs. 49% in Arm C had a stable/improved score, p-value = 0.056). Conclusions: Primary TOS and reduced PORT retained outstanding oncologic outcome at 35 months follow up, with favorable QOL and functional outcomes, in intermediate risk HPV+ OPC. Clinical trial information: NCT 01898494.

PURPOSE NCI-MATCH is a nationwide, histology-agnostic, signal-finding, molecular profile–driven trial for patients with refractory cancers, lymphomas, or myelomas. Patients with tumors harboring actionable aberration(s) in fibroblast growth factor receptor ( FGFR) 1-3 were treated with AZD4547, an oral FGFR1-3 inhibitor. METHODS Patients’ tumors were screened by next-generation sequencing for predefined FGFR amplification, activating mutations, or fusions. Patients were treated with AZD4547, 80 mg orally twice daily until progression of disease or drug intolerance. A response rate of 16% was considered promising. RESULTS Between July 2016 and June 2017, 70 patients were assigned and 48 received protocol therapy and are eligible for analysis. Patients’ tumors harbored FGFR1 or FGFR2 amplification (n = 20), FGFR2 or FGFR3 single-nucleotide variants (n = 19), or FGFR1 or FGFR3 fusions (n = 9). The most common primary tumors were breast (33.3%), urothelial (12.5%), and cervical cancer (10.4%).Grade 3 adverse events were consistent with those described in previous clinical trials. Confirmed partial responses were seen in 8% (90% CI, 3% to 18%) and were observed only in patients whose tumors harbored FGFR1-3 point mutations or fusions. Stable disease was observed in 37.5% (90% CI, 25.8% to 50.4%). The median progression-free survival (PFS) was 3.4 months, and the 6-month PFS rate was 15% (90% CI, 8% to 31%). For patients with tumors harboring FGFR fusions, the response rate was 22% (90% CI, 4.1% to 55%), and 6-month PFS rate was 56% (90% CI, 31% to 100%). CONCLUSION Preliminary signals of activity appeared to be limited to cancers harboring FGFR activating mutations and fusions, although AZD4547 did not meet the primary end point. Different FGFR somatic alterations may confer different levels of signaling potency and/or oncogene dependence.