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1. Gearing up for the future: Exploring facilitators and barriers to inform clinical trial design in frontotemporal lobar degeneration

Author

Banga, Yasmin B, Lai, Yujung, Kim, Priscilla, Boeve, Bradley F, Boxer, Adam L, Rosen, Howard J, Forsberg, Leah K, Heuer, Hilary W, Brushaber, Danielle, Appleby, Brian, Biernacka, Joanna M, Bordelon, Yvette M, Botha, Hugo, Bozoki, Andrea C, Brannelly, Patrick, Dickerson, Brad C, Dickinson, Susan, Dickson, Dennis W, Domoto‐Reilly, Kimiko, Faber, Kelley, Fagan, Anne M, Fields, Julie A, Fishman, Ann, Foroud, Tatiana M, Galasko, Doug R, Gavrilova, Ralitza H, Gendron, Tania F, Geschwind, Daniel H, Ghoshal, Nupur, Goldman, Jill, Graff‐Radford, Jonathan, Graff‐Radford, Neill R, Grant, Ian, Grossman, Murray, Hsiung, Ging‐Yuek Robin, Huang, Eric J, Huey, Edward D, Irwin, David J, Jones, David T, Kantarci, Kejal, Karydas, Anna M, Kaufer, Daniel, Knopman, David S, Kramer, Joel H, Kremers, Walter K, Kornak, John, Kukull, Walter A, Lagone, Emma, Leger, Gabriel C, Litvan, Irene, Ljubenkov, Peter A, Lucente, Diane E, Mackenzie, Ian R, Manoochehri, Masood, Masdeu, Joseph C, McGinnis, Scott, Mendez, Mario F, Miller, Bruce L, Miyagawa, Toji, Nelson, Kevin M, Onyike, Chiadi U, Pantelyat, Alex, Pascual, Belen, Pearlman, Rodney, Petrucelli, Leonard, Pottier, Cyril P, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine P, Rascovsky, Katya, Rexach, Jessica E, Ritter, Aaron, Roberson, Erik D, Rojas, Julio C, Sabbagh, Marwan N, Salmon, David P, Savica, Rodolfo, Seeley, William W, Staffaroni, Adam M, Syrjanen, Jeremy A, Tartaglia, Maria Carmela, Tatton, Nadine, Taylor, Jack C, Toga, Arthur W, Weintraub, Sandra, Wheaton, Diana, Wong, Benjamin, Wszolek, Zbigniew, and Consortium, ALLFTD

Subjects
Frontotemporal Dementia (FTD), Rare Diseases, Behavioral and Social Science, Neurodegenerative, Acquired Cognitive Impairment, Basic Behavioral and Social Science, Brain Disorders, Clinical Research, Dementia, Aging, Biomedical Imaging, Clinical Trials and Supportive Activities, Neurological, Clinical Sciences, Neurosciences, Geriatrics
Abstract

BACKGROUND: Frontotemporal lobar degeneration (FTLD) refers to a group of neurodegenerative conditions, affecting the frontal and/or temporal lobes. Ongoing research has provided insight into developing clinical trials for FTLD and key clinical measures such as structural MRI. To inform clinical trial design and optimize participation, it is imperative to explore facilitators and barriers for potential candidates. OBJECTIVE: The objective of this study is to explore facilitators and barriers to participating in future clinical trials for FTLD. METHODS: Advancing Research and Treatment for Frontotemporal Lobar Degeneration (ARTFL) and Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects (LEFFTDS) are observational studies focused on characterizing FTLD syndromes in preparation for clinical trials. The 584 participants enrolled across 18 research sites in the United States and Canada completed a survey assessing interest in clinical trial participation. RESULTS: 29% of respondents self-reported as patients (63±10 years), 26% self-reported as caregivers answering on behalf of patients (65±10 years), and 45% self-reported as healthy but at risk for FTLD (48±14 years). Travel reimbursement was the most common factor reported to positively influence participation (≧66%), with the healthy but at risk group showing the strongest endorsement (83%). Cost and time involved in travel were possible barriers for about half of the patients (48%) and healthy but at risk respondents (53%). The respondents value receiving feedback on the study findings (≧80%) and being informed of their individual disease progression (≧75%). Particularly, keeping participation confidential was very important for the healthy but at risk group (62%). In regard to research assessments, most participants demonstrated a high interest in physical and neurological exams at a research center (≧87%) whereas only half were interested in doing more invasive procedures such as the lumbar puncture (≧52%). Overall, respondents showed a positive attitude and support for research participation (≧77%) and trusted that their health information would remain confidential in a clinical trial (≧53%). CONCLUSIONS: Favorable attitudes and interest towards medical research exist among participants. To optimize participation, clinical trials should allocate funding for travel and involve participants in feedback about study results and their disease progression. Alternatives to invasive assessments may increase participation.

Published
2021

2. Studying the natural history of frontotemporal lobar degeneration (FTLD): The ARTFL LEFFTDS longitudinal FTLD (ALLFTD) protocol

Author

Boeve, Bradley F, Boxer, Adam L, Rosen, Howard J, Forsberg, Leah K, Heuer, Hilary W, Brushaber, Danielle, Appleby, Brian, Biernacka, Joanna M, Bordelon, Yvette M, Botha, Hugo, Brannelly, Patrick, Dickerson, Brad C, Dickson, Dennis W, Kimiko, Domoto‐Reilly, Faber, Kelley, Fagan, Anne, Fields, Julie A, Fishman, Ann, Foroud, Tatiana M, Galasko, Doug R, Gavrilova, Ralitza H, Gendron, Tania F, Geschwind, Daniel H, Ghoshal, Nupur, Goldman, Jill, Graff‐Radford, Jonathan, Graff‐Radford, Neill R, Grant, Ian, Grossman, Murray, Hsiung, Ging‐Yuek Robin, Huang, Eric J, Huey, Edward, Irwin, David J, Jones, David T, Kantarci, Kejal, Karydas, Anna M, Kaufer, Daniel, Knopman, David S, Kramer, Joel H, Kremers, Walter K, Kornak, John, Kukull, Walter A, Lagone, Emma, Leger, Gabriel C, Litvan, Irene, Ljubenkov, Peter A, Lucente, Diane E, Mackenzie, Ian R, Manoochehri, Masood, Masdeu, Joseph C, McGinnis, Scott, Mendez, Mario F, Miller, Bruce L, Miyagawa, Toji, Nelson, Kevin M, Onyike, Chiadi U, Pantelyat, Alex, Pascual, Belen, Pearlman, Rodney, Petrucelli, Leonard, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine, Rascovsky, Katya, Rexach, Jessica E, Ritter, Aaron, Roberson, Erik D, Rojas, Julio C, Sabbagh, Marwan N, Salmon, David P, Savica, Rodolfo, Seeley, William W, Staffaroni, Adam M, Syrjanen, Jeremy, Tartaglia, Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur W, Weintraub, Sandra, Wheaton, Diana, Wong, Bonnie, and Wszolek, Zbigniew

Subjects
Brain Disorders, Rare Diseases, Acquired Cognitive Impairment, Neurodegenerative, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Clinical Trials and Supportive Activities, Clinical Research, Frontotemporal Dementia (FTD), Alzheimer's Disease Related Dementias (ADRD), Genetics, Neurosciences, Dementia, 2.1 Biological and endogenous factors, Geriatrics, Clinical Sciences
Published
2020

3. Clinical and volumetric changes with increasing functional impairment in familial frontotemporal lobar degeneration.

Author

Olney, Nicholas T, Ong, Elise, Goh, Sheng-Yang M, Bajorek, Lynn, Dever, Reilly, Staffaroni, Adam M, Cobigo, Yann, Bock, Meredith, Chiang, Kevin, Ljubenkov, Peter, Kornak, John, Heuer, Hilary W, Wang, Ping, Rascovsky, Katya, Wolf, Amelia, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christine, Coppola, Giovanni, Dickerson, Bradford C, Dickinson, Susan, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K, Gearhart, Debra J, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill R, Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Gingyuek, Huey, Edward D, Irwin, David J, Jones, David T, Kantarci, Kejal, Karydas, Anna M, Kaufer, Daniel, Kerwin, Diana, Knopman, David S, Kramer, Joel H, Kraft, Ruth, Kremers, Walter, Kukull, Walter, Lapid, Maria I, Litvan, Irene, Mackenzie, Ian R, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M, McKinley, Emily C, Mendez, Mario F, Miller, Bruce L, Onyike, Chiadi, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeleine, Rademakers, Rosa, Ramos, Eliana M, Rankin, Katherine P, Roberson, Erik D, Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M, Syrjanen, Jeremy, Tartaglia, M Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q, Weintraub, Sandra, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L, Boeve, Brad F, Rosen, Howard J, and ARTFL and LEFFTDS consortia

Subjects
ARTFL and LEFFTDS consortia, Temporal Lobe, Humans, Atrophy, Genetic Predisposition to Disease, tau Proteins, Magnetic Resonance Imaging, Longitudinal Studies, Neuropsychological Tests, Image Processing, Computer-Assisted, Middle Aged, Female, Male, Frontotemporal Lobar Degeneration, C9orf72 Protein, Progranulins, C9ORF72, Familial, Frontotemporal lobar degeneration, GRN, Genetic, MAPT, Frontotemporalobar degeneration, Neurodegenerative, Behavioral and Social Science, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Alzheimer's Disease Related Dementias (ADRD), Biomedical Imaging, Aging, Alzheimer's Disease, Clinical Trials and Supportive Activities, Acquired Cognitive Impairment, Dementia, Clinical Research, Brain Disorders, Neurosciences, Rare Diseases, Frontotemporal Dementia (FTD), 2.1 Biological and endogenous factors, Neurological, Geriatrics, Clinical Sciences
Abstract

IntroductionThe Advancing Research and Treatment in Frontotemporal Lobar Degeneration and Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects longitudinal studies were designed to describe the natural history of familial-frontotemporal lobar degeneration due to autosomal dominant mutations.MethodsWe examined cognitive performance, behavioral ratings, and brain volumes from the first time point in 320 MAPT, GRN, and C9orf72 family members, including 102 non-mutation carriers, 103 asymptomatic carriers, 43 mildly/questionably symptomatic carriers, and 72 carriers with dementia.ResultsAsymptomatic carriers showed similar scores on all clinical measures compared with noncarriers but reduced frontal and temporal volumes. Those with mild/questionable impairment showed decreased verbal recall, fluency, and Trail Making Test performance and impaired mood and self-monitoring. Dementia was associated with impairment in all measures. All MAPT carriers with dementia showed temporal atrophy, but otherwise, there was no single cognitive test or brain region that was abnormal in all subjects.DiscussionImaging changes appear to precede clinical changes in familial-frontotemporal lobar degeneration, but specific early clinical and imaging changes vary across individuals.

Published
2020

4. Individualized atrophy scores predict dementia onset in familial frontotemporal lobar degeneration.

Author

Staffaroni, Adam M, Cobigo, Yann, Goh, Sheng-Yang M, Kornak, John, Bajorek, Lynn, Chiang, Kevin, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christina, Coppola, Giovanni, Dever, Reilly, Dheel, Christina, Dickerson, Bradford C, Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie A, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K, Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Heuer, Hilary W, Hsiung, Ging-Yuek, Huey, Edward D, Irwin, David J, Jones, David T, Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel I, Kerwin, Diana R, Knopman, David S, Kraft, Ruth, Kramer, Joel H, Kremers, Walter K, Kukull, Walter A, Litvan, Irene, Ljubenkov, Peter A, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian R, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M, McKinley, Emily, Mendez, Mario F, Miller, Bruce L, Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine P, Rascovsky, Katya, Roberson, Erik D, Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M, Syrjanen, Jeremy, Tartaglia, M Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q, Weintraub, Sandra, Wang, Ping, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L, Boeve, Brad F, Rosen, Howard J, and ARTFL/LEFFTDS consortium

Subjects
ARTFL/LEFFTDS consortium, Brain, Humans, Atrophy, Genetic Predisposition to Disease, tau Proteins, Magnetic Resonance Imaging, Neuropsychological Tests, Mutation, Image Processing, Computer-Assisted, Middle Aged, Female, Male, Frontotemporal Dementia, C9orf72 Protein, Progranulins, Frontotemporal dementia, Genetics, Magnetic resonance imaging, TDP-43, Tau, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Frontotemporal Dementia (FTD), Dementia, Brain Disorders, Neurosciences, Acquired Cognitive Impairment, Prevention, Alzheimer's Disease, Rare Diseases, Aging, Neurodegenerative, Neurological, Geriatrics, Clinical Sciences
Abstract

IntroductionSome models of therapy for neurodegenerative diseases envision starting treatment before symptoms develop. Demonstrating that such treatments are effective requires accurate knowledge of when symptoms would have started without treatment. Familial frontotemporal lobar degeneration offers a unique opportunity to develop predictors of symptom onset.MethodsWe created dementia risk scores in 268 familial frontotemporal lobar degeneration family members by entering covariate-adjusted standardized estimates of brain atrophy into a logistic regression to classify asymptomatic versus demented participants. The score's predictive value was tested in a separate group who were followed up longitudinally (stable vs. converted to dementia) using Cox proportional regressions with dementia risk score as the predictor.ResultsCross-validated logistic regression achieved good separation of asymptomatic versus demented (accuracy = 90%, SE = 0.06). Atrophy scores predicted conversion from asymptomatic or mildly/questionably symptomatic to dementia (HR = 1.51, 95% CI: [1.16,1.98]).DiscussionIndividualized quantification of baseline brain atrophy is a promising predictor of progression in asymptomatic familial frontotemporal lobar degeneration mutation carriers.

Published
2020

5. Assessment of executive function declines in presymptomatic and mildly symptomatic familial frontotemporal dementia: NIH-EXAMINER as a potential clinical trial endpoint.

Author

Staffaroni, Adam M, Bajorek, Lynn, Casaletto, Kaitlin B, Cobigo, Yann, Goh, Sheng-Yang M, Wolf, Amy, Heuer, Hilary W, Elahi, Fanny M, Ljubenkov, Peter A, Dever, Reilly, Kornak, John, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christina, Coppola, Giovanni, Dheel, Christina, Dickerson, Bradford C, Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie A, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K, Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Ging-Yuek, Huey, Edward D, Irwin, David J, Jones, David T, Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel I, Kerwin, Diana R, Knopman, David S, Kraft, Ruth, Kremers, Walter K, Kukull, Walter A, Litvan, Irene, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian R, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M, McKinley, Emily, Mendez, Mario F, Miller, Bruce L, Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine P, Rascovsky, Katya, Roberson, Erik D, Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M, Syrjanen, Jeremy, Tartaglia, M Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q, Weintraub, Sandra, Wang, Ping, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L, Boeve, Brad F, Kramer, Joel H, Rosen, Howard J, and ARTFL/LEFFTDS consortium

Subjects
ARTFL/LEFFTDS consortium, Humans, Disease Progression, Magnetic Resonance Imaging, Longitudinal Studies, Neuropsychological Tests, Mutation, Middle Aged, Female, Male, Executive Function, Frontotemporal Dementia, Biomarkers, C9orf72 Protein, Behavioral variant, Cognition, Corticobasal syndrome, Fluency, Genetic, Inhibition, Neuropsychology, Nonfluent variant, Primary progressive aphasia, Progranulin, Progressive supranuclear palsy, Semantic variant, Set-shifting, Tau, Working memory, Clinical Sciences, Neurosciences, Geriatrics
Abstract

IntroductionIdentifying clinical measures that track disease in the earliest stages of frontotemporal lobar degeneration (FTLD) is important for clinical trials. Familial FTLD provides a unique paradigm to study early FTLD. Executive dysfunction is a clinically relevant hallmark of FTLD and may be a marker of disease progression.MethodsNinety-three mutation carriers with no symptoms or minimal/questionable symptoms (MAPT, n = 31; GRN, n = 28; C9orf72, n = 34; Clinical Dementia Rating scale plus NACC FTLD Module < 1) and 78 noncarriers enrolled through Advancing Research and Treatment in Frontotemporal Lobar Degeneration/Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects studies completed the Executive Abilities: Measures and Instruments for Neurobehavioral Evaluation and Research (NIH-EXAMINER) and the UDS neuropsychological battery. Linear mixed-effects models were used to identify group differences in cognition at baseline and longitudinally. We examined associations between cognition, clinical functioning, and magnetic resonance imaging volumes.ResultsNIH-EXAMINER scores detected baseline and differences in slopes between carriers and noncarriers, even in carriers with a baseline Clinical Dementia Rating scale plus NACC FTLD Module = 0. NIH-EXAMINER declines were associated with worsening clinical symptoms and brain volume loss.DiscussionThe NIH-EXAMINER is sensitive to cognitive changes in presymptomatic familial FTLD and is a promising surrogate endpoint.

Published
2020

6. Utility of the global CDR® plus NACC FTLD rating and development of scoring rules: Data from the ARTFL/LEFFTDS Consortium

Author

Miyagawa, Toji, Brushaber, Danielle, Syrjanen, Jeremy, Kremers, Walter, Fields, Julie, Forsberg, Leah K, Heuer, Hilary W, Knopman, David, Kornak, John, Boxer, Adam, Rosen, Howard J, Boeve, Bradley F, Appleby, Brian, Bordelon, Yvette, Bove, Jessica, Brannelly, Patrick, Caso, Christina, Coppola, Giovanni, Dever, Reilly, Dheel, Christina, Dickerson, Bradford, Dickinson, Susan, Dominguez, Sophia, Domoto‐Reilly, Kimiko, Faber, Kelley, Ferrell, Jessica, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill S, Graff‐Radford, Jonathan, Graff‐Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Robin, Huey, Edward, Irwin, David, Jones, David, Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel, Kerwin, Diana, Kraft, Ruth, Kramer, Joel, Kukull, Walter, Litvan, Irene, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott, McKinley, Emily, Mendez, Mario F, Miller, Bruce, Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alexander, Pearlman, Rodney, Petrucelli, Leonard, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana M, Rankin, Kate, Rascovsky, Katya, Roberson, Erik D, Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie, Tartaglia, Maria C, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q, Wang, Ping, Weintraub, Sandra, Wong, Bonnie, and Wszolek, Zbigniew

Subjects
Biological Psychology, Biomedical and Clinical Sciences, Psychology, Dementia, Frontotemporal Dementia (FTD), Neurosciences, Neurodegenerative, Acquired Cognitive Impairment, Clinical Trials and Supportive Activities, Clinical Research, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Aging, Brain Disorders, Aged, Aphasia, Primary Progressive, Cross-Sectional Studies, Female, Frontotemporal Lobar Degeneration, Humans, Male, Mental Status and Dementia Tests, Middle Aged, behavior, comportment, personality, CDR, CDR plus NACC FTLD, frontotemporal lobar degeneration, global rating, language, CDR®, behavior, comportment, and personality, Clinical Sciences, Geriatrics, Clinical sciences, Biological psychology
Abstract

IntroductionWe created global rating scoring rules for the CDR® plus NACC FTLD to detect and track early frontotemporal lobar degeneration (FTLD) and to conduct clinical trials in FTLD.MethodsThe CDR plus NACC FTLD rating was applied to 970 sporadic and familial participants from the baseline visit of Advancing Research and Treatment in Frontotemporal Lobar Degeneration (ARTFL)/Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects (LEFFTDS). Each of the eight domains of the CDR plus NACC FTLD was equally weighed in determining the global score. An interrater reliability study was completed for 40 participants.ResultsThe CDR plus NACC FTLD showed very good interrater reliability. It was especially useful in detecting clinical features of mild non-fluent/agrammatic variant primary progressive aphasia participants.DiscussionThe global CDR plus NACC FTLD score could be an attractive outcome measure for clinical trials in symptomatic FTLD, and may be useful in natural history studies and clinical trials in FTLD spectrum disorders.

Published
2020

7. Nonlinear Z-score modeling for improved detection of cognitive abnormality.

Author

Kornak, John, Fields, Julie, Kremers, Walter, Farmer, Sara, Heuer, Hilary W, Forsberg, Leah, Brushaber, Danielle, Rindels, Amy, Dodge, Hiroko, Weintraub, Sandra, Besser, Lilah, Appleby, Brian, Bordelon, Yvette, Bove, Jessica, Brannelly, Patrick, Caso, Christina, Coppola, Giovanni, Dever, Reilly, Dheel, Christina, Dickerson, Bradford, Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelley, Ferrall, Jessica, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Gavrilova, Ralitza, Gearhart, Deb, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian M, Grossman, Murray, Haley, Dana, Hsiao, John, Hsiung, Robin, Huey, Edward D, Irwin, David, Jones, David, Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel, Kerwin, Diana, Knopman, David, Kraft, Ruth, Kramer, Joel, Kukull, Walter, Lapid, Maria, Litvan, Irene, Ljubenkov, Peter, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott, McKinley, Emily, Mendez, Mario, Miller, Bruce, Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alexander, Pearlman, Rodney, Petrucelli, Len, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine, Rascovsky, Katya, Roberson, Erik D, Rogalski-Miller, Emily, Sengdy, Pheth, Shaw, Les, Staffaroni, Adam M, Sutherland, Margaret, Syrjanen, Jeremy, Tartaglia, Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John, Wang, Ping, Wong, Bonnie, Wszolek, Zbigniew, Boeve, Brad, Boxer, Adam, Rosen, Howard, and ARTFL/LEFFTDS Consortium

Subjects
ARTFL/LEFFTDS Consortium, Generalized additive models, Heterogenous variance modeling, Neuropsychological testing scores, Nonlinear Z-score correction, Shape constrained additive models, Genetics, Neurosciences
Abstract

IntroductionConventional Z-scores are generated by subtracting the mean and dividing by the standard deviation. More recent methods linearly correct for age, sex, and education, so that these "adjusted" Z-scores better represent whether an individual's cognitive performance is abnormal. Extreme negative Z-scores for individuals relative to this normative distribution are considered indicative of cognitive deficiency.MethodsIn this article, we consider nonlinear shape constrained additive models accounting for age, sex, and education (correcting for nonlinearity). Additional shape constrained additive models account for varying standard deviation of the cognitive scores with age (correcting for heterogeneity of variance).ResultsCorrected Z-scores based on nonlinear shape constrained additive models provide improved adjustment for age, sex, and education, as indicated by higher adjusted-R2.DiscussionNonlinearly corrected Z-scores with respect to age, sex, and education with age-varying residual standard deviation allow for improved detection of non-normative extreme cognitive scores.

Published
2019

8. Individualized atrophy scores predict dementia onset in familial frontotemporal lobar degeneration

Author

Staffaroni, Adam M., Cobigo, Yann, Goh, Sheng-Yang M., Kornak, John, Bajorek, Lynn, Chiang, Kevin, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christina, Coppola, Giovanni, Dever, Reilly, Dheel, Christina, Dickerson, Bradford C., Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie A., Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K., Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Heuer, Hilary W., Hsiung, Ging-Yuek, Huey, Edward D., Irwin, David J., Jones, David T., Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel I., Kerwin, Diana R., Knopman, David S., Kraft, Ruth, Kramer, Joel H., Kremers, Walter K., Kukull, Walter A., Litvan, Irene, Ljubenkov, Peter A., Lucente, Diane, Lungu, Codrin, Mackenzie, Ian R., Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M., McKinley, Emily, Mendez, Mario F., Miller, Bruce L., Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine P., Rascovsky, Katya, Roberson, Erik D., Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M., Syrjanen, Jeremy, Tartaglia, M. Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q., Weintraub, Sandra, Wang, Ping, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L., Boeve, Brad F., and Rosen, Howard J.

Published
2019
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9. Use of the CDR® plus NACC FTLD in mild FTLD: Data from the ARTFL/LEFFTDS consortium

Author

Appleby, Brian, Bordelon, Yvette, Bove, Jessica, Brannelly, Patrick, Caso, Christina, Coppola, Giovanni, Dever, Reilly, Dheel, Christina, Dickerson, Bradford, Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelley, Ferrell, Jessica, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill S., Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Robin, Huey, Edward, Irwin, David, Jones, David, Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel, Kerwin, Diana, Kraft, Ruth, Kramer, Joel, Kukull, Walter, Litvan, Irene, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian, Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott, McKinley, Emily, Mendez, Mario F., Miller, Bruce, Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alexander, Pearlman, Rodney, Petrucelli, Leonard, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana M., Rankin, Kate, Rascovsky, Katya, Roberson, Erik D., Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie, Tartaglia, Maria C., Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q., Wang, Ping, Weintraub, Sandra, Wong, Bonnie, Wszolek, Zbigniew, Miyagawa, Toji, Brushaber, Danielle, Syrjanen, Jeremy, Kremers, Walter, Fields, Julie, Forsberg, Leah K., Heuer, Hilary W., Knopman, David, Kornak, John, Boxer, Adam, Rosen, Howie, and Boeve, Bradley

Published
2019
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10. Assessment of executive function declines in presymptomatic and mildly symptomatic familial frontotemporal dementia: NIH-EXAMINER as a potential clinical trial endpoint

Author

Staffaroni, Adam M., Bajorek, Lynn, Casaletto, Kaitlin B., Cobigo, Yann, Goh, Sheng-Yang M., Wolf, Amy, Heuer, Hilary W., Elahi, Fanny M., Ljubenkov, Peter A., Dever, Reilly, Kornak, John, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christina, Coppola, Giovanni, Dheel, Christina, Dickerson, Bradford C., Dickinson, Susan, Dominguez, Sophia, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie A., Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K., Gavrilova, Ralitza, Gearhart, Debra, Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill, Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Ging-Yuek, Huey, Edward D., Irwin, David J., Jones, David T., Jones, Lynne, Kantarci, Kejal, Karydas, Anna, Kaufer, Daniel I., Kerwin, Diana R., Knopman, David S., Kraft, Ruth, Kremers, Walter K., Kukull, Walter A., Litvan, Irene, Lucente, Diane, Lungu, Codrin, Mackenzie, Ian R., Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M., McKinley, Emily, Mendez, Mario F., Miller, Bruce L., Multani, Namita, Onyike, Chiadi, Padmanabhan, Jaya, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeline, Rademakers, Rosa, Ramos, Eliana Marisa, Rankin, Katherine P., Rascovsky, Katya, Roberson, Erik D., Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M., Syrjanen, Jeremy, Tartaglia, M. Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q., Weintraub, Sandra, Wang, Ping, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L., Boeve, Brad F., Kramer, Joel H., and Rosen, Howard J.

Published
2019
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12. WITHDRAWN: Clinical and volumetric changes with increasing functional impairment in familial frontotemporal lobar degeneration

Author

Olney, Nicholas T., Ong, Elise, Goh, Sheng-Yang M., Bajorek, Lynn, Dever, Reilly, Staffaroni, Adam M., Cobigo, Yann, Bock, Meredith, Chiang, Kevin, Ljubenkov, Peter, Kornak, John, Heuer, Hilary W., Wang, Ping, Rascovsky, Katya, Wolf, Amelia, Appleby, Brian, Bove, Jessica, Bordelon, Yvette, Brannelly, Patrick, Brushaber, Danielle, Caso, Christine, Coppola, Giovanni, Dickerson, Bradford C., Dickinson, Susan, Domoto-Reilly, Kimiko, Faber, Kelly, Ferrall, Jessica, Fields, Julie, Fishman, Ann, Fong, Jamie, Foroud, Tatiana, Forsberg, Leah K., Gearhart, Debra J., Ghazanfari, Behnaz, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathan, Graff-Radford, Neill R., Grant, Ian, Grossman, Murray, Haley, Dana, Hsiung, Gingyuek, Huey, Edward D., Irwin, David J., Jones, David T., Kantarci, Kejal, Karydas, Anna M., Kaufer, Daniel, Kerwin, Diana, Knopman, David S., Kramer, Joel H., Kraft, Ruth, Kremers, Walter, Kukull, Walter, Lapid, Maria I., Litvan, Irene, Mackenzie, Ian R., Maldonado, Miranda, Manoochehri, Masood, McGinnis, Scott M., McKinley, Emily C., Mendez, Mario F., Miller, Bruce L., Onyike, Chiadi, Pantelyat, Alex, Pearlman, Rodney, Petrucelli, Len, Potter, Madeleine, Rademakers, Rosa, Ramos, Eliana M., Rankin, Katherine P., Roberson, Erik D., Rogalski, Emily, Sengdy, Pheth, Shaw, Leslie M., Syrjanen, Jeremy, Tartaglia, M. Carmela, Tatton, Nadine, Taylor, Joanne, Toga, Arthur, Trojanowski, John Q., Weintraub, Sandra, Wong, Bonnie, Wszolek, Zbigniew, Boxer, Adam L., Boeve, Brad F., and Rosen, Howard J.

Published
2023
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14. The Greatest Natural Botanist in the World.

Author

Fishman, Ann

Abstract

Considers the contributions of John Bartram, a self-taught botanist and farmer in Colonial America. Bartram collected and classified hundreds of North American plant species, eventually enjoying international renown as a botanist. His 102-acre farm and garden in Pennsylvania have been restored and preserved. (MJP)

Published
1995

15. The ARTFL LEFFTDS Frontotemporal Lobar Degeneration (ALLFTD) Protocol: Preliminary Data and Future Plans (2081)

Author

Boeve, Bradley, primary, Boxer, Adam, additional, Rosen, Howard, additional, Forsberg, Leah, additional, Heuer, Hilary, additional, Brushaber, Danielle, additional, Appleby, Brian, additional, Biernacka, Joanna, additional, Bordelon, Yvette, additional, Botha, Hugo, additional, Brannelly, Patrick, additional, Dickerson, Bradford, additional, Dickinson, Susan, additional, Dickson, Dennis, additional, Domoto-Reilly, Kimiko, additional, Faber, Kelley, additional, Fagan, Anne, additional, Fields, Julie, additional, Fishman, Ann, additional, Foroud, Tatiana, additional, Galasko, Douglas, additional, Gavrilova, Ralitza, additional, Gendron, Tania, additional, Geschwind, Daniel, additional, Ghoshal, Nupur, additional, Goldman, Jill, additional, Graff-Radford, Jonathan, additional, Graff-Radford, Neill, additional, Grant, Ian, additional, Grossman, Murray, additional, Hsiung, Ging-Yuek, additional, Huang, Eric, additional, Huey, Edward, additional, Irwin, David, additional, Jones, David, additional, Kantarci, Kejal, additional, Karydas, Anna, additional, Kaufer, Daniel, additional, Knopman, David, additional, Kramer, Joel, additional, Kremers, Walter, additional, Kornak, John, additional, Kukull, Walter, additional, Lagone, Emma, additional, Litvan, Irene, additional, Ljubenkov, Peter, additional, Lucente, Diane, additional, Mackenzie, Ian R.A., additional, Manoochehri, Masood, additional, Masdeu, Joseph, additional, McGinnis, Scott, additional, Mendez, Mario, additional, Miller, Bruce, additional, Miyagawa, Toji, additional, Nelson, Kevin, additional, Onyike, Chiadi, additional, Pantelyat, Alexander, additional, Pascual, Belen, additional, Pearlman, Rodney, additional, Petrucelli, Leonard, additional, Rademakers, Rosa, additional, Ramos, Eliana Marisa, additional, Rankin, Katherine, additional, Rascovsky, Katya, additional, Rexach, Jessica, additional, Ritter, Aaron, additional, Roberson, Erik, additional, -Martinez, Julio Rojas, additional, Sabbagh, Marwan, additional, Salmon, David, additional, Savica, Rodolfo, additional, Seeley, William, additional, Staffaroni, Adam, additional, Syrjanen, Jeremy, additional, Tartaglia, Carmela, additional, Tatton, Nadine, additional, Taylor, Joanne, additional, Toga, Arthur, additional, Weintraub, Sandra, additional, Wheaton, Diana, additional, Wong, Bonnie, additional, and Wszolek, Zbigniew, additional

Published
2020
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18. The Neurofilament Surveillance Project (NSP): A biomarker study to sample blood quarterly in familial frontotemporal lobar degeneration.

Author

Acuna‐Narvaez, Rachel, Heuer, Hilary W., Forsberg, Leah K., Alward, Anne, Graham, Danielle, Fishman, Ann, Nelson, Kevin M, Kolander, Tyler, Fillit, Howard M, Galpern, Wendy R, Hung, Serena, Mason, Chris, Mignon, Laurence, Ni, Yan G, Simen, Arthur, Tesseur, Ina, Tsai, Richard, Yeh, Felix L, Mester, Carly T., and Ljubenkov, Peter A.

Abstract

Background: In familial frontotemporal lobar degeneration (f‐FTLD), plasma levels of neurofilament light (NfL) are elevated at least two years prior to symptom onset and predict future clinical status. The Neurofilament Surveillance Project (NSP), an actively recruiting observational study, seeks to obtain higher resolution data of temporal changes in plasma NfL to better understand its clinical utility in f‐FTLD interventional trials. The NSP is a pre‐competitive collaboration sponsored by the Bluefield Project to Cure FTD and funded by biotechnology and pharmaceutical companies and nonprofit organizations. Method: Participants must be members of families with disease‐causing mutations in C9orf72, MAPT or GRN and enrolled in the ALLFTD natural history study. Up to 335 participants, with roughly equal representation across mutation type, provide plasma quarterly for 3 years (4355 samples total) to enable the observation of peripheral NfL levels longitudinally during disease onset and progression. Plasma is collected by certified mobile research nurses during remote visits, and NfL is measured in batch at least every 6 months. NfL measurements from one plasma aliquot per draw will be correlated with annual assessments obtained in the ALLFTD study, including measures of disease severity (CDRÒ+NACC‐FTLD, CGI, etc.), cognitive function from the UDS Neuropsychology Battery, and volumetric MRI data. Additional plasma aliquots are reserved for future analyses of other biomarkers during the course of the study; another subset of aliquots is reserved to share with interested investigators after the study ends. Result: As of 1/19/22, the NSP had enrolled 161 participants, including 62 from C9orf72 kindreds, 60 from MAPT kindreds, and 28 from GRN kindreds. One‐hundred forty‐five participants had completed their initial visit, and 109 had completed more than 3, and up to 5, quarterly blood draws. Enrollment and study visits are ongoing despite COVID‐related limitations. Conclusion: The quarterly blood sampling from this study, combined with annual comprehensive clinical assessments through the ALLFTD natural history study, will enable a more detailed understanding of when and how NfL levels change during phenoconversion and/or disease progression in f‐FTLD mutation carriers. These data will be especially informative in the context of the targeted investigational therapeutics for f‐FTLD now entering clinical trials. [ABSTRACT FROM AUTHOR]

Published
2022
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19. Selective Patterns of Cognitive Impairment in Spinocerebellar Ataxia Type 6 and Idiopathic Late-Onset Cerebellar Ataxia.

Author

Rentiya, Zubir S., Jung, Brian C., Bae, Junun, Liszewski, Christine M., Fishman, Ann, Du, Annie X., Margolis, Russell L., and Ying, Sarah H.

Subjects
CEREBELLAR ataxia, MILD cognitive impairment, COGNITION disorders, COGNITIVE ability, PEARSON correlation (Statistics)
Abstract

Purpose: To determine cognitive impairment patterns in patients with spinocerebellar ataxia type 6 (SCA6) compared to patients with idiopathic late-onset cerebellar ataxia (ILOCA). Methods: Neurocognitive testing was conducted on 21 SCA6, nine ILOCA, and 27 controls subjects. Intergroup differences were assessed using the Wilcoxon signed-ranked test or Student's t-test. Principal component analysis (PCA) was performed on nine cognitive variables, and Hotelling's T-squared test assessed group-specific differences. Pearson's correlations assessed changes in cognitive performance and disease progression. Intra-group differences among SCA6 were examined in a post-hoc analysis. Results: SCA6 and ILOCA patients showed impairment in visuo-spatial executive function, phonemic verbal fluency, and semantic-verb word generation. ILOCA showed impairment in mental flexibility/response inhibition, verbal learning, semantic-noun verbal fluency, and forward numerical working memory. Within the first three principal components, SCA6 and ILOCA differed from controls and from each other. Verbal working and immediate visuo-spatial memory correlated with disease duration for SCA6. For ILOCA, Mini-Mental Status Exam and RCF copy correlated with disease duration. Conclusion: Differing patterns of cognitive dysfunction were seen in SCA6 and ILOCA. PCA suggested that distinct SCA6 subgroups may exist, SCA61 with significant ILOCA overlap in several cognitive deficits, and SCA62 showing deficits in visuo-spatial performance only. [ABSTRACT FROM AUTHOR]

Published
2018
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20. Understand generational differences

Author

Fishman, Ann Arnof

Subjects
Market segmentation, Financial services industry, Women consumers, Financial services industry, Business, Insurance
Abstract

Whether you're targeting one or several of the six generations of female consumers out there today, you need to be nearly as much a sociologist as a financial advisor or [...]

Published
2004

21. Gullah.

Author

Fishman, Ann

Subjects
*SEA Islands Creole dialect, *TRAVEL, *HISTORY
Abstract

Focuses on the Sea Islands off the coast of South Carolina and Georgia, home of a distinctive culture known as Gullah, which incorporates African and Caribbean influences. The islands as the site of events that have shaped American history, especially the struggle for racial equality; The Gullah language; The Port Royal Experiment; Penn School, the first school for freed slaves; The Penn Center and its mission.

Published
1995

22. SCAview: an Intuitive Visual Approach to the Integrative Analysis of Clinical Data in Spinocerebellar Ataxias

Author

Uebachs, Mischa, Wegner, Philipp, group, RISCA study, group, CRC-SCA study, group, SCA Registry study, Klockgether, Thomas, Faber, Jennifer, Schaaf, Sebastian, Kugai, Simon, Jacobi, Heike, Kuo, Sheng-Han, Ashizawa, Tetsuo, Fluck, Juliane, group, EUROSCA study, group, ESMI study, Schulz, Jörg B, Riess, Olaf, Reetz, Kathrin, Figueroa, Karla P, Perlman, Susan L, Gomez, Christopher M, Wilmot, George R, Schmahmann, Jeremy D, Ying, Sarah H, Zesiewicz, Theresa A, Paulson, Henry L, Shakkottai, Vikram G, Bushara, Khalaf, Geschwind, Michael D, Xia, Guangbin, Pulst, Stefan M, Subramony, Sub H, Grobe-Einsler, Marcus, Önder, Demet, Koyak, Berkan, du Montcel, Sophie Tezenas, Bauer, Peter, Giunti, Paola, Cook, Arron, Labrum, Robyn, Parkinson, Michael H, Durr, Alexandra, Brice, Alexis, Charles, Perrine, Marelli, Cecilia, Mariotti, Caterina, Nanetti, Lorenzo, Panzeri, Marta, Rakowicz, Maria, Sulek, Anna, Sobanska, Anna, Schmitz-Hübsch, Tanja, Schöls, Ludger, Hengel, Holger, Baliko, Laszlo, Melegh, Bela, Filla, Alessandro, Antenora, Antonella, Infante, Jon, Berciano, José, van de Warrenburg, Bart P, Timmann, Dagmar, Szymanski, Sandra, Boesch, Sylvia, Kang, Jun-Suk, Pandolfo, Massimo, Molho, Sonia, Diallo, Alhassane, Raposo, Mafalda, Vasconcelos, João, Lima, Manuela, de Almeida, Luís Pereira, Silva, Patrick, Cunha, Inês, Garcia-Moreno, Hector, Manso, Katarina, Synofzik, Matthis, Traschuetz, Andreas, van de Warrenburg, Bart, van Gaalen, Judith, Perbolt, Tessa, Hutter, Diane, Manrique, Leire, Thieme, Andreas, Erdlenbruch, Friedrich, Onyike, Chiadi, Fishman, Ann, Dogan, Imis, Ratai, Eva, Schmahmann, Jeremy, Santana, Magda, Hübener-Schmid, Jeannette, Romanzetti, Sandro, Harmuth, Florian, Makowicz, Grzegorz, Roca, Alessandro, Casalo, Carlo, Masciullo, Marcella, Nachbauer, Wolfgang, and Bürk-Gergs, Katrin

Subjects
Spinocerebellar ataxia (SCA), ddc:610, Observational studies, Visualization
Abstract

With SCAview, we present a prompt and comprehensive tool that enables scientists to browse large datasets of the most common spinocerebellar ataxias intuitively and without technical effort. Basic concept is a visualization of data, with a graphical handling and filtering to select and define subgroups and their comparison. Several plot types to visualize all data points resulting from the selected attributes are provided. The underlying synthetic cohort is based on clinical data from five different European and US longitudinal multicenter cohorts in spinocerebellar ataxia type 1, 2, 3, and 6 (SCA1, 2, 3, and 6) comprising > 1400 patients with overall > 5500 visits. First, we developed a common data model to integrate the clinical, demographic, and characterizing data of each source cohort. Second, the available datasets from each cohort were mapped onto the data model. Third, we created a synthetic cohort based on the cleaned dataset. With SCAview, we demonstrate the feasibility of mapping cohort data from different sources onto a common data model. The resulting browser-based visualization tool with a thoroughly graphical handling of the data offers researchers the unique possibility to visualize relationships and distributions of clinical data, to define subgroups and to further investigate them without any technical effort. Access to SCAview can be requested via the Ataxia Global Initiative and is free of charge.

Published
2023

23. Utility of the global CDR ® plus NACC FTLD rating and development of scoring rules: Data from the ARTFL/LEFFTDS Consortium.

Author

Miyagawa T, Brushaber D, Syrjanen J, Kremers W, Fields J, Forsberg LK, Heuer HW, Knopman D, Kornak J, Boxer A, Rosen HJ, Boeve BF, Appleby B, Bordelon Y, Bove J, Brannelly P, Caso C, Coppola G, Dever R, Dheel C, Dickerson B, Dickinson S, Dominguez S, Domoto-Reilly K, Faber K, Ferrell J, Fishman A, Fong J, Foroud T, Gavrilova R, Gearhart D, Ghazanfari B, Ghoshal N, Goldman JS, Graff-Radford J, Graff-Radford N, Grant I, Grossman M, Haley D, Hsiung R, Huey E, Irwin D, Jones D, Jones L, Kantarci K, Karydas A, Kaufer D, Kerwin D, Kraft R, Kramer J, Kukull W, Litvan I, Lucente D, Lungu C, Mackenzie I, Maldonado M, Manoochehri M, McGinnis S, McKinley E, Mendez MF, Miller B, Multani N, Onyike C, Padmanabhan J, Pantelyat A, Pearlman R, Petrucelli L, Potter M, Rademakers R, Ramos EM, Rankin K, Rascovsky K, Roberson ED, Rogalski E, Sengdy P, Shaw L, Tartaglia MC, Tatton N, Taylor J, Toga A, Trojanowski JQ, Wang P, Weintraub S, Wong B, and Wszolek Z

Subjects
Aged, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Aphasia, Primary Progressive diagnosis, Frontotemporal Lobar Degeneration diagnosis, Mental Status and Dementia Tests statistics & numerical data
Abstract

Introduction: We created global rating scoring rules for the CDR ® plus NACC FTLD to detect and track early frontotemporal lobar degeneration (FTLD) and to conduct clinical trials in FTLD., Methods: The CDR plus NACC FTLD rating was applied to 970 sporadic and familial participants from the baseline visit of Advancing Research and Treatment in Frontotemporal Lobar Degeneration (ARTFL)/Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects (LEFFTDS). Each of the eight domains of the CDR plus NACC FTLD was equally weighed in determining the global score. An interrater reliability study was completed for 40 participants., Results: The CDR plus NACC FTLD showed very good interrater reliability. It was especially useful in detecting clinical features of mild non-fluent/agrammatic variant primary progressive aphasia participants., Discussion: The global CDR plus NACC FTLD score could be an attractive outcome measure for clinical trials in symptomatic FTLD, and may be useful in natural history studies and clinical trials in FTLD spectrum disorders., (© 2020 the Alzheimer's Association.)

Published
2020
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