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194 matching studies

Sponsor Condition of Interest
Study of Efficacy and Safety of Iptacopan in Participants With IC-MPGN
Novartis Pharmaceuticals IC-MPGN
This study is designed as a multicenter, randomized, double-blind, parallel group, placebo-controlled study to evaluate the efficacy and safety of iptacopan (LNP023) in idiopathic immune complex mediated membranoproliferative glomerulonephritis. expand

This study is designed as a multicenter, randomized, double-blind, parallel group, placebo-controlled study to evaluate the efficacy and safety of iptacopan (LNP023) in idiopathic immune complex mediated membranoproliferative glomerulonephritis.

Type: Interventional

Start Date: Oct 2023

open study

mFOLFIRINOX Versus mFOLFOX With or Without Nivolumab for the Treatment of Advanced, Unresectable, o1
Alliance for Clinical Trials in Oncology Advanced Esophageal Adenocarcinoma Advanced Gastric Adenocarcinoma Advanced Gastroesophageal Junction Adenocarcinoma Clinical Stage III Esophageal Adenocarcinoma AJCC v8 Clinical Stage III Gastric Cancer AJCC v8
This phase III trial compares the effect of modified fluorouracil, leucovorin calcium, oxaliplatin, and irinotecan (mFOLFIRINOX) to modified fluorouracil, leucovorin calcium, and oxaliplatin (mFOLFOX) for the treatment of advanced, unresectable, or metastatic HER2 negative esophageal, gastroesophag1 expand

This phase III trial compares the effect of modified fluorouracil, leucovorin calcium, oxaliplatin, and irinotecan (mFOLFIRINOX) to modified fluorouracil, leucovorin calcium, and oxaliplatin (mFOLFOX) for the treatment of advanced, unresectable, or metastatic HER2 negative esophageal, gastroesophageal junction, and gastric adenocarcinoma. The usual approach for patients is treatment with FOLFOX chemotherapy. Chemotherapy drugs work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Fluorouracil stops cells from making DNA and it may kill tumor cells. Leucovorin is used with fluorouracil to enhance the effects of the drug. Oxaliplatin works by killing, stopping, or slowing the growth of tumor cells. Some patients also receive an immunotherapy drug, nivolumab, in addition to FOLFOX chemotherapy. Immunotherapy may induce changes in body's immune system and may interfere with the ability of tumor cells to grow and spread. Irinotecan blocks certain enzymes needed for cell division and DNA repair, and it may kill tumor cells. Adding irinotecan to the FOLFOX regimen could shrink the cancer and extend the life of patients with advanced gastroesophageal cancers.

Type: Interventional

Start Date: Jan 2023

open study

Testing the Addition of Total Ablative Therapy to Usual Systemic Therapy Treatment for Limited Meta1
Alliance for Clinical Trials in Oncology Metastatic Colorectal Adenocarcinoma Stage IV Colorectal Cancer AJCC v8
This phase III trial compares total ablative therapy and usual systemic therapy to usual systemic therapy alone in treating patients with colorectal cancer that has spread to up to 4 body sites (limited metastatic). The usual approach for patients who are not participating in a study is treatment w1 expand

This phase III trial compares total ablative therapy and usual systemic therapy to usual systemic therapy alone in treating patients with colorectal cancer that has spread to up to 4 body sites (limited metastatic). The usual approach for patients who are not participating in a study is treatment with intravenous (IV) (through a vein) and/or oral medications (systemic therapy) to help stop the cancer sites from getting larger and the spread of the cancer to additional body sites. Ablative means that the intention of the local treatment is to eliminate the cancer at that metastatic site. The ablative local therapy will consist of very focused, intensive radiotherapy called stereotactic ablative radiotherapy (SABR) with or without surgical resection and/or microwave ablation, which is a procedure where a needle is temporarily inserted in the tumor and heat is used to destroy the cancer cells. SABR, surgical resection, and microwave ablation have been tested for safety, but it is not scientifically proven that the addition of these treatments are beneficial for your stage of cancer. The addition of ablative local therapy to all known metastatic sites to the usual approach of systemic therapy could shrink or remove the tumor(s) or prevent the tumor(s) from returning.

Type: Interventional

Start Date: Oct 2023

open study

Proximal Internal Carotid Artery Acute Stroke Secondary to Tandem or Local Occlusion Thrombectomy T1
Mercy Health Ohio Acute Ischemic Stroke
The primary objective is to establish the efficacy of intra-arterial (IA) mechanical thrombectomy (MT) with extracranial proximal carotid artery acute stenting versus non-stenting approaches in patients with acute ischemic stroke (AIS) from intracranial vessel occlusion (IVO) in the anterior circul1 expand

The primary objective is to establish the efficacy of intra-arterial (IA) mechanical thrombectomy (MT) with extracranial proximal carotid artery acute stenting versus non-stenting approaches in patients with acute ischemic stroke (AIS) from intracranial vessel occlusion (IVO) in the anterior circulation and have a proximal carotid occlusive disease (occlusion or severe stenosis).

Type: Interventional

Start Date: May 2024

open study

A Study of Amivantamab in Participants With Advanced or Metastatic Solid Tumors Including Epidermal1
Janssen Research & Development, LLC Carcinoma, Non-small-Cell Lung
The purpose of this study is to assess the anti-tumor activity and safety of amivantamab which will be administered as a co-formulation with recombinant human hyaluronidase PH20 (rHuPH20) (subcutaneous co-formulation [SC-CF]) in combination treatment (all cohorts except Cohort 4) and to characteriz1 expand

The purpose of this study is to assess the anti-tumor activity and safety of amivantamab which will be administered as a co-formulation with recombinant human hyaluronidase PH20 (rHuPH20) (subcutaneous co-formulation [SC-CF]) in combination treatment (all cohorts except Cohort 4) and to characterize the safety of amivantamab SC-CF (Cohort 4).

Type: Interventional

Start Date: Nov 2022

open study

An Extension Study to Assess Long-Term Safety and Tolerability of Adjunctive KarXT in Subjects With1
Karuna Therapeutics Schizophrenia
This is a Phase 3, multicenter, 52-week, outpatient, open-label extension (OLE) study to evaluate the long-term safety and tolerability of adjunctive KarXT in subjects with schizophrenia with an inadequate response to their current antipsychotic treatment who previously completed the treatment peri1 expand

This is a Phase 3, multicenter, 52-week, outpatient, open-label extension (OLE) study to evaluate the long-term safety and tolerability of adjunctive KarXT in subjects with schizophrenia with an inadequate response to their current antipsychotic treatment who previously completed the treatment period (Visit 8/Day 42 ± 3) of ARISE Study (KAR-012). The primary objective of the study is to assess the long-term safety and tolerability of adjunctive KarXT (a fixed dose combination of xanomeline and trospium chloride twice daily [BID]) in subjects with schizophrenia.

Type: Interventional

Start Date: Mar 2022

open study

Colon Adjuvant Chemotherapy Based on Evaluation of Residual Disease
NRG Oncology Stage III Colon Cancer
This Phase II/III trial will evaluate the what kind of chemotherapy to recommend to patients based on the presence or absences of circulating tumor DNA (ctDNA) after surgery for colon cancer. expand

This Phase II/III trial will evaluate the what kind of chemotherapy to recommend to patients based on the presence or absences of circulating tumor DNA (ctDNA) after surgery for colon cancer.

Type: Interventional

Start Date: Mar 2022

open study

Comparison of Anti-coagulation and Anti-Platelet Therapies for Intracranial Vascular Atherostenosis
University of Florida Intracranial Arteriosclerosis Stroke
The primary goal of the trial is to determine if the experimental arms (rivaroxaban or ticagrelor or both) are superior to the clopidogrel arm for lowering the 1-year rate of ischemic stroke, intracerebral hemorrhage, or vascular death. expand

The primary goal of the trial is to determine if the experimental arms (rivaroxaban or ticagrelor or both) are superior to the clopidogrel arm for lowering the 1-year rate of ischemic stroke, intracerebral hemorrhage, or vascular death.

Type: Interventional

Start Date: Aug 2022

open study

JNJ-90301900 (NBTXR3) Activated by Radiotherapy With or Without Cetuximab in LA-HNSCC
Johnson & Johnson Enterprise Innovation Inc. Locally Advanced Head and Neck Squamous Cell Carcinoma Aged
This is a global, open-label, randomized, 2-arm, Investigator's choice Phase 3 (Pivotal Stage) study to investigate the efficacy and safety of JNJ-90301900 (NBTXR3) / radiation therapy (RT)±cetuximab versus RT±cetuximab in treatment-naïve, platinum-ineligible, elderly participants with locally adva1 expand

This is a global, open-label, randomized, 2-arm, Investigator's choice Phase 3 (Pivotal Stage) study to investigate the efficacy and safety of JNJ-90301900 (NBTXR3) / radiation therapy (RT)±cetuximab versus RT±cetuximab in treatment-naïve, platinum-ineligible, elderly participants with locally advanced head and neck squamous cell carcinoma (LA-HNSCC).

Type: Interventional

Start Date: Dec 2021

open study

Testing the Use of the Usual Chemotherapy Before and After Surgery for Removable Pancreatic Cancer
Alliance for Clinical Trials in Oncology Pancreatic Adenosquamous Carcinoma Resectable Pancreatic Adenocarcinoma Pancreatic Cancer
This phase III trial compares perioperative chemotherapy (given before and after surgery) versus adjuvant chemotherapy (given after surgery) for the treatment of pancreatic cancer that can be removed by surgery (removable/resectable). Chemotherapy drugs, such as fluorouracil, irinotecan, leucovorin1 expand

This phase III trial compares perioperative chemotherapy (given before and after surgery) versus adjuvant chemotherapy (given after surgery) for the treatment of pancreatic cancer that can be removed by surgery (removable/resectable). Chemotherapy drugs, such as fluorouracil, irinotecan, leucovorin, and oxaliplatin, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving chemotherapy before and after surgery (perioperatively) may work better in treating patients with pancreatic cancer compared to giving chemotherapy after surgery (adjuvantly).

Type: Interventional

Start Date: Oct 2020

open study

Diffuse Cutaneous Scleroderma (DSSc) SFDI Study
Boston University Systemic Scleroderma Diffuse Cutaneous Scleroderma
Scleroderma (SSc) is an autoimmune disease characterized by fibrosis (or collagen deposition) of the skin and internal organs. The extent of skin fibrosis is an important predictor of internal organ complications and increased mortality. Currently a very imprecise, subjective method that varies amo1 expand

Scleroderma (SSc) is an autoimmune disease characterized by fibrosis (or collagen deposition) of the skin and internal organs. The extent of skin fibrosis is an important predictor of internal organ complications and increased mortality. Currently a very imprecise, subjective method that varies amongst different doctors for the same patient is used to quantify skin fibrosis in patients, by "pinching" their skin and assessing how thick it is; this is the method used to determine the modified Rodnan skin score (mRSS). A previous plot study was conducted by the investigators to determine if spatial frequency domain imaging (SFDI), a method of light scattering, could be used to measure the collagen content in the skin of SSc patients. This non-painful, noninvasive method takes very little time and the investigators hypothesized that it would be more accurate than the "pinching" method. For that pilot study, patients with various stages of the disease were selected, and SFDI was used to image 6 areas. A forearm skin biopsy was taken for subsequent histopathology analyses of collagen content. The clinical mRSS was assessed at the time of SFDI measurement. Optical property imaging data was analyzed and statistically correlated and analyzed with immunohistochemistry (a method of identifying proteins) of the skin. Preliminary results demonstrated a strong correlation between mRSS and SFDI. Some of the imaging parameters of the SFDI were modified based on the initial results. Initial results demonstrated that the device can detect increases in skin thickness observed in SSc skin.

Type: Interventional

Start Date: Nov 2025

open study

A Dose-Finding Study of Tebapivat to Assess Efficacy, and Safety in Participants With Sickle Cell D1
Agios Pharmaceuticals, Inc. Sickle Cell Disease
The main purpose of this study is to compare the effect of tebapivat versus placebo on anemia and to detect a dose-response for hemoglobin (Hb) response in participants with SCD. expand

The main purpose of this study is to compare the effect of tebapivat versus placebo on anemia and to detect a dose-response for hemoglobin (Hb) response in participants with SCD.

Type: Interventional

Start Date: May 2025

open study

A Study to Evaluate the Optimization of the Cytokine Release Syndrome Profile for Glofitamab in Com1
Hoffmann-La Roche Diffuse Large B-Cell Lymphoma
The main goal of this trial is to study the frequency and severity of cytokine release syndrome (CRS) in participants with diffuse large B-cell lymphoma (DLBCL) who are using a combination of glofitamab + gemcitabine + oxaliplatin (Glofit-GemOx) followed by glofitamab-only treatment. expand

The main goal of this trial is to study the frequency and severity of cytokine release syndrome (CRS) in participants with diffuse large B-cell lymphoma (DLBCL) who are using a combination of glofitamab + gemcitabine + oxaliplatin (Glofit-GemOx) followed by glofitamab-only treatment.

Type: Interventional

Start Date: Mar 2025

open study

Oral Surgery Virtual Reality Glasses Study
Boston University Procedural Anxiety Procedural Pain
The goal of this randomized trial is to investigate if using virtual reality (VR) glasses for patients who require non-emergent oral surgery procedures under intravenous (IV) sedation improves their overall experience compared to using standard of care safety glasses. This study has two primary ob1 expand

The goal of this randomized trial is to investigate if using virtual reality (VR) glasses for patients who require non-emergent oral surgery procedures under intravenous (IV) sedation improves their overall experience compared to using standard of care safety glasses. This study has two primary objectives. 1. To evaluate if VR glasses can improve patient tolerance during IV access, sedation induction, and the surgical procedure. 2. To investigate whether the use of VR glasses reduces the amount of sedation required for induction and throughout the oral surgery procedure. 80 subjects will be randomly assigned 1:1 to either wear VR glasses playing a relaxing video and audio or VR glasses that will only serve as eye protection (control group).

Type: Interventional

Start Date: Nov 2025

open study

A Study of Efficacy, Safety, Tolerability of LXE408 in Participants With Chronic Chagas Disease.
Novartis Pharmaceuticals Chagas Disease
This study is to investigate the ability of LXE408 to reduce or remove the level of parasites in the blood of people with chronic Chagas disease. Participants must have chronic Chagas disease without severe organ dysfunction. expand

This study is to investigate the ability of LXE408 to reduce or remove the level of parasites in the blood of people with chronic Chagas disease. Participants must have chronic Chagas disease without severe organ dysfunction.

Type: Interventional

Start Date: Apr 2025

open study

A Study to Evaluate How Well Etavopivat Works in People With Sickle Cell Disease
Novo Nordisk A/S Sickle Cell Disease
This study is conducted to confirm whether etavopivat works well at reducing the number of Vaso-occlusive crisis VOCs (sickle cell pain crises) caused by obstructions in blood vessels in adults and adolescents living with sickle cell disease. The study will also evaluate how well etavopivat can red1 expand

This study is conducted to confirm whether etavopivat works well at reducing the number of Vaso-occlusive crisis VOCs (sickle cell pain crises) caused by obstructions in blood vessels in adults and adolescents living with sickle cell disease. The study will also evaluate how well etavopivat can reduce the damage to different organs, improve your exercise tolerance and reduce fatigue in people with sickle cell disease.The participants will either get etavopivat or placebo. Which treatment the participants will get is decided by chance. Etavopivat is a new medicine and is currently being tested in other studies in addition to this one. The study will last for about 2 years.

Type: Interventional

Start Date: Feb 2025

open study

A Study to Assess the Efficacy and Safety of Afimkibart (Also Known as RO7790121) for Induction and1
Hoffmann-La Roche Moderately to Severely Active Ulcerative Colitis
This Phase III, multicenter, double-blind, placebo-controlled, treat-through study will evaluate the efficacy and safety of Afimkibart (RO7790121) compared with placebo in participants with moderately to severely active ulcerative colitis (UC). expand

This Phase III, multicenter, double-blind, placebo-controlled, treat-through study will evaluate the efficacy and safety of Afimkibart (RO7790121) compared with placebo in participants with moderately to severely active ulcerative colitis (UC).

Type: Interventional

Start Date: Sep 2024

open study

Dichoptic Treatment for Amblyopia in Children 8 to 12 Years of Age
Jaeb Center for Health Research Amblyopia
Participants eligible for the study will be randomly allocated (1:1:1) to receive either Luminopia dichoptic treatment while wearing optical correction if needed, Vivid Vision dichoptic treatment while wearing optical correction if needed, or continued optical correction alone if needed, with clini1 expand

Participants eligible for the study will be randomly allocated (1:1:1) to receive either Luminopia dichoptic treatment while wearing optical correction if needed, Vivid Vision dichoptic treatment while wearing optical correction if needed, or continued optical correction alone if needed, with clinical assessments at 9- and 18-weeks post-randomization. At the 18-week primary outcome visit, participants who were randomly assigned to receive optical correction alone if needed with an IOD of 1 logMAR line (5 letters) or more, will be offered randomization to Luminopia or Vivid Vision dichoptic therapy and if they accept, followed forward with visits at 27- and 36-weeks post-randomization. The study will end for all other participants at 18 weeks.

Type: Interventional

Start Date: Oct 2024

open study

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Bre1
Stemline Therapeutics, Inc. Breast Cancer
The primary goal of this study is to evaluate the effectiveness of elacestrant versus standard endocrine therapy in participants with node-positive, Estrogen Receptor-positive (ER+), Human Epidermal Growth Factor-2 negative (HER2-) early breast cancer with high risk of recurrence. expand

The primary goal of this study is to evaluate the effectiveness of elacestrant versus standard endocrine therapy in participants with node-positive, Estrogen Receptor-positive (ER+), Human Epidermal Growth Factor-2 negative (HER2-) early breast cancer with high risk of recurrence.

Type: Interventional

Start Date: Sep 2024

open study

Stress Management Intervention Among Breast and Gynecologic Cancer Patients in Viet Nam
Boston University Breast Cancer Gynecologic Cancer
Psychological distress is common among Vietnamese cancer patients but often underestimated and not detected by professionals due to lack of time and overload of clinical work. Currently no established, evidence-based intervention exists to help address the mental health needs of cancer patients in1 expand

Psychological distress is common among Vietnamese cancer patients but often underestimated and not detected by professionals due to lack of time and overload of clinical work. Currently no established, evidence-based intervention exists to help address the mental health needs of cancer patients in Viet Nam besides the 'Stronger Together' peer mentoring intervention model that the investigators piloted in 2021-2023. The goal of this 2-arm, parallel, single-blind randomized controlled trial (RCT) is to pilot and evaluate the Vietnamese Self Help Plus (vSH+) stress management intervention among breast and gynecologic cancer patients in Viet Nam. Aim 1- the investigators pilot the adapted vSH+ intervention. After recruitment and screening, participants are randomized into either the intervention (vSH+) or enhanced usual care (EUC) study arms. Participants are invited to attend an in-person informational session (IS) specific to their study arm, where informed consent is obtained. Aim 2- the investigators assess the potential effectiveness of the vSH+ intervention. Quantitative surveys of study outcomes measures are administered at three timepoints: T0 (baseline, in-person, during info-sessions); T1 (1-2 weeks post-intervention, via phone); and T2 (3 months post-intervention, via phone). Aim 3- the investigators conduct a qualitative process evaluation, via in-depth interview (IDIs) and focus group discussions (FGDs), to assess the acceptability and feasibility implementing and scaling up the vSH+ intervention model. Satisfaction surveys will be administered during vSH+ sessions and in-depth interviews (IDIs) will be conducted following the conclusion of the intervention. IDIs wil also be conducted with Facilitators, in addition to evaluation surveys during vSH+ sessions and supportive supervision sessions. Between T1 and T2, the investigators will conduct IDIs with Healthcare Workers and focus group discussions with Caregivers.

Type: Interventional

Start Date: Nov 2024

open study

Dichoptic Treatment for Amblyopia in Children 4 to 7 Years of Age
Jaeb Center for Health Research Amblyopia
In children 4 to 7 years of age, to determine if treatment with 1 hour per day 6 days per week of watching dichoptic movies/shows wearing the Luminopia headset is non-inferior to treatment with 2 hours of patching per day 7 days per week with respect to change in amblyopic eye distance VA from rand1 expand

In children 4 to 7 years of age, to determine if treatment with 1 hour per day 6 days per week of watching dichoptic movies/shows wearing the Luminopia headset is non-inferior to treatment with 2 hours of patching per day 7 days per week with respect to change in amblyopic eye distance VA from randomization to 26 weeks.

Type: Interventional

Start Date: Jul 2024

open study

Influenza & COVID-19 Obstetric and Perinatal Epidemiology Study in India
Boston University Influenza COVID-19 SARS-COV-2 Infection Other Respiratory Viruses Perinatal Morbidity
This study will be conducted as a prospective cohort study, enrolling all eligible women in their first trimester of pregnancy during a baseline visit during week 6-13 of pregnancy at Government Medical College Hospital, Nagpur. The Hospital provides primary, secondary, and tertiary care and the ob1 expand

This study will be conducted as a prospective cohort study, enrolling all eligible women in their first trimester of pregnancy during a baseline visit during week 6-13 of pregnancy at Government Medical College Hospital, Nagpur. The Hospital provides primary, secondary, and tertiary care and the obstetric department delivers about 10,000 babies a year. The hypothesis is that co-infection of other respiratory viruses (ORV), particularly COVID-19 and Influenza increases the risk of adverse pregnancy outcomes in mothers and babies and could address the current standard of care in India to not vaccinate pregnant women during pregnancy, by either encouraging vaccination against both viruses before planning a pregnancy or during pregnancy based on global data supporting the safety of this strategy.

Type: Observational

Start Date: Dec 2023

open study

Study to Learn About the Safety of Fazirsiran and if it Can Help People With Alpha-1 Antitrypsin Li1
Takeda Alpha1-Antitrypsin Deficiency
The liver produces a protein called alpha-1 antitrypsin (AAT). AAT is normally released into the bloodstream. In some people, the liver makes an abnormal version of the AAT protein, called Z-AAT. Making an abnormal version of the AAT protein can result in liver disease as Z-AAT builds up in liver c1 expand

The liver produces a protein called alpha-1 antitrypsin (AAT). AAT is normally released into the bloodstream. In some people, the liver makes an abnormal version of the AAT protein, called Z-AAT. Making an abnormal version of the AAT protein can result in liver disease as Z-AAT builds up in liver cells, which leads to liver problems such as liver scarring (fibrosis), continuing liver damage (cirrhosis), and eventually end stage liver disease. Fazirsiran is a medicine that reduces the creation of the Z-AAT protein and thus the build-up of this abnormal protein in the liver. People with this type of liver disease who already have mild liver scarring will take part in the study. They will be treated with fazirsiran or a placebo for about 2 years. This study will check the long-term safety of fazirsiran, whether participants tolerate the treatment and if there are any effects on liver scarring. A liver biopsy, a way of collecting a small tissue sample from the liver, will be taken twice during the study.

Type: Interventional

Start Date: Mar 2024

open study

Chemotherapy Combined With Immunotherapy Versus Immunotherapy Alone for Older Adults With Stage III1
National Cancer Institute (NCI) Advanced Lung Non-Small Cell Carcinoma Stage IIIB Lung Cancer AJCC v8 Stage IIIC Lung Cancer AJCC v8 Stage IV Lung Cancer AJCC v8
This phase III trial compares the effect of adding chemotherapy to immunotherapy (pembrolizumab) versus immunotherapy alone in treating patients with stage IIIB-IV lung cancer. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and1 expand

This phase III trial compares the effect of adding chemotherapy to immunotherapy (pembrolizumab) versus immunotherapy alone in treating patients with stage IIIB-IV lung cancer. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Chemotherapy drugs work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving pembrolizumab and chemotherapy may help stabilize lung cancer.

Type: Interventional

Start Date: Jul 2024

open study

Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis
Columbia University Lumbar Spinal Stenosis Cardiac Amyloidosis ATTR Amyloidosis Wild Type ATTR Gene Mutation ATTRV122I Amyloidosis
Primary objective: To identify older adults with transthyretin cardiac amyloidosis (ATTR-CA) early in the course of the illness, at a time when disease modifying therapies are most effective. The specific aims of this epidemiologic investigation include: 1. To identify subjects with previous l1 expand

Primary objective: To identify older adults with transthyretin cardiac amyloidosis (ATTR-CA) early in the course of the illness, at a time when disease modifying therapies are most effective. The specific aims of this epidemiologic investigation include: 1. To identify subjects with previous lumbar spinal stenosis (LSS) Surgery who have evidence of transthyretin (TTR) amyloid deposits in spinal specimens and could be at risk for ATTR cardiac amyloidosis. 2. To evaluate for ATTR-CA among those with localized TTR in the spinal tissue. The study will also explore the following: 1. The prevalence of amyloid in lumbar spinal stenosis specimens by Congo Red staining. 2. The prevalence of TTR deposits among subjects with amyloid as determined by mass spectrometry. 3. Evaluation of a novel artificial intelligence technique for that can identify amyloid histologically with standard H&E staining. 4. Difference in ATTR-CA prevalence between subjects with TTR and indeterminate amyloid deposits in subject's spine by myocardial uptake of technetium pyrophosphate scan (Tc99-PYP).

Type: Observational

Start Date: Sep 2023

open study