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  1. Article ; Online: Evaluating pimavanserin as a treatment for psychiatric disorders: A pharmacological property in search of an indication.

    Davis, John / Zamora, Daisy / Horowitz, Mark / Leucht, Stefan

    Expert opinion on pharmacotherapy

    2021  Volume 22, Issue 13, Page(s) 1651–1660

    Abstract: ... ...

    Abstract Introduction
    MeSH term(s) Antipsychotic Agents/therapeutic use ; Depressive Disorder, Major/drug therapy ; Humans ; Piperidines/pharmacology ; Piperidines/therapeutic use ; Psychotic Disorders/drug therapy ; Urea/analogs & derivatives ; Urea/therapeutic use
    Chemical Substances Antipsychotic Agents ; Piperidines ; Urea (8W8T17847W) ; pimavanserin (JZ963P0DIK)
    Language English
    Publishing date 2021-08-18
    Publishing country England
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 2001535-5
    ISSN 1744-7666 ; 1465-6566
    ISSN (online) 1744-7666
    ISSN 1465-6566
    DOI 10.1080/14656566.2021.1942455
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Should antipsychotic medications for schizophrenia be given for a lifetime? Replication of a naturalistic, long-term, follow-up study of antipsychotic treatment.

    Glick, Ira D / Zamora, Daisy / Kamis, Danielle / Davis, John M

    CNS spectrums

    2019  Volume 24, Issue 5, Page(s) 557–563

    Abstract: Objective: Because ethically and practically a randomized control trial of antipsychotics will never be done, we recently conducted and reported a 8- to 50-year, naturalistic follow-up from an academic clinic of patients with chronic schizophrenia on ... ...

    Abstract Objective: Because ethically and practically a randomized control trial of antipsychotics will never be done, we recently conducted and reported a 8- to 50-year, naturalistic follow-up from an academic clinic of patients with chronic schizophrenia on antipsychotic medication. We found that better medication adherence was a statistically significant predictor of better long-term global outcome and life satisfaction. Because there were important limitations on our findings, we now in this communication, using similar methodology, detail outcomes for a very different sample-inner city patients with chronic schizophrenia with a long past history of antipsychotic treatment, who were enrolled in clinical trials for new medications for schizophrenia.
    Methods: This is a retrospective, naturalistic, longitudinal 6- to 49-years antipsychotic treatment (mean average, 20) follow-up of a consecutive series of patients volunteering for screening for studies with schizophrenia. Lifetime data were collected on (1) their medication adherence, (2) long-term global outcome, and (3) life satisfaction. Outcomes were rated by 2 different clinicians, 1 with information on medication adherence (nonblind rater) and 1 without (blind rater). We used linear regression models adjusted for age, family support, substance use disorder, race, marital status, and number of years in treatment to estimate the association between adherence and each outcome.
    Results: A total of 34 patients were assessed. Medication adherence was positively associated with the blind clinician's rating of global outcome (P value=0.03) and the global assessment of functioning (P value=0.05). In the nonblinded clinician rating, medication adherence was unrelated to global outcome (P value=0.26) and to patients' report of life satisfaction (P value=0.54).
    Conclusion: This replication study, like our previous study, is not inconsistent with the recommendation for continuous, long-term treatment for chronic schizophrenia unless medically contraindicated.
    MeSH term(s) Adult ; Aged ; Antipsychotic Agents/administration & dosage ; Antipsychotic Agents/adverse effects ; Antipsychotic Agents/therapeutic use ; Data Interpretation, Statistical ; Drug Administration Schedule ; Female ; Humans ; Long Term Adverse Effects/epidemiology ; Longitudinal Studies ; Male ; Medication Adherence/statistics & numerical data ; Middle Aged ; Patient Satisfaction/statistics & numerical data ; Schizophrenia/drug therapy ; Socioeconomic Factors
    Chemical Substances Antipsychotic Agents
    Language English
    Publishing date 2019-02-17
    Publishing country United States
    Document type Journal Article ; Pragmatic Clinical Trial
    ZDB-ID 2008418-3
    ISSN 2165-6509 ; 1092-8529
    ISSN (online) 2165-6509
    ISSN 1092-8529
    DOI 10.1017/S109285291800144X
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Dietary fatty acids improve perceived sleep quality, stress, and health in migraine: a secondary analysis of a randomized controlled trial.

    Faurot, Keturah R / Park, Jinyoung / Miller, Vanessa / Honvoh, Gilson / Domeniciello, Anthony / Mann, J Douglas / Gaylord, Susan A / Lynch, Chanee E / Palsson, Olafur / Ramsden, Christopher E / MacIntosh, Beth A / Horowitz, Mark / Zamora, Daisy

    Frontiers in pain research (Lausanne, Switzerland)

    2023  Volume 4, Page(s) 1231054

    Abstract: Background: Migraine is a prevalent disabling condition often associated with comorbid physical and psychological symptoms that contribute to impaired quality of life and disability. Studies suggest that increasing dietary omega-3 fatty acid is ... ...

    Abstract Background: Migraine is a prevalent disabling condition often associated with comorbid physical and psychological symptoms that contribute to impaired quality of life and disability. Studies suggest that increasing dietary omega-3 fatty acid is associated with headache reduction, but less is known about the effects on quality of life in migraine.
    Methods: After a 4-week run-in, 182 adults with 5-20 migraine days per month were randomized to one of the 3 arms for sixteen weeks. Dietary arms included: H3L6 (a high omega-3, low omega-6 diet), H3 (a high omega-3, an average omega-6 diet), or a control diet (average intakes of omega-3 and omega-6 fatty acids). Prespecified secondary endpoints included daily diary measures (stress perception, sleep quality, and perceived health), Patient-Reported Outcome Measurement Information System Version 1.0 ([PROMIS©) measures and the Migraine Disability Assessment (MIDAS). Analyses used linear mixed effects models to control for repeated measures.
    Results: The H3L6 diet was associated with significant improvements in stress perception [adjusted mean difference (aMD): -1.5 (95% confidence interval: -1.7 to -1.2)], sleep quality [aMD: 0.2 (95% CI:0.1-0.2)], and perceived health [aMD: 0.2 (0.2-0.3)] compared to the control. Similarly, the H3 diet was associated with significant improvements in stress perception [aMD: -0.8 (-1.1 to -0.5)], sleep quality [aMD: 0.2 (0.1, 0.3)], and perceived health [aMD: 0.3 (0.2, 0.3)] compared to the control. MIDAS scores improved substantially in the intervention groups compared with the control (H3L6 aMD: -11.8 [-25.1, 1.5] and H3 aMD: -10.7 [-24.0, 2.7]). Among the PROMIS-29 assessments, the biggest impact was on pain interference [H3L6 MD: -1.8 (-4.4, 0.7) and H3 aMD: -3.2 (-5.9, -0.5)] and pain intensity [H3L6 MD: -0.6 (-1.3, 0.1) and H3 aMD: -0.6 (-1.4, 0.1)].
    Discussion: The diary measures, with their increased power, supported our hypothesis that symptoms associated with migraine attacks could be responsive to specific dietary fatty acid manipulations. Changes in the PROMIS© measures reflected improvements in non-headache pain as well as physical and psychological function, largely in the expected directions. These findings suggest that increasing omega-3 with or without decreasing omega-6 in the diet may represent a reasonable adjunctive approach to reducing symptoms associated with migraine attacks.
    Language English
    Publishing date 2023-10-25
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2673-561X
    ISSN (online) 2673-561X
    DOI 10.3389/fpain.2023.1231054
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: ApoER2-Dab1 disruption as the origin of pTau-associated neurodegeneration in sporadic Alzheimer's disease.

    Ramsden, Christopher E / Zamora, Daisy / Horowitz, Mark S / Jahanipour, Jahandar / Calzada, Elizabeth / Li, Xiufeng / Keyes, Gregory S / Murray, Helen C / Curtis, Maurice A / Faull, Richard M / Sedlock, Andrea / Maric, Dragan

    Acta neuropathologica communications

    2023  Volume 11, Issue 1, Page(s) 197

    Abstract: In sporadic Alzheimer's disease (sAD) specific regions, layers and neurons accumulate hyperphosphorylated Tau (pTau) and degenerate early while others remain unaffected even in advanced disease. ApoER2-Dab1 signaling suppresses Tau phosphorylation as ... ...

    Abstract In sporadic Alzheimer's disease (sAD) specific regions, layers and neurons accumulate hyperphosphorylated Tau (pTau) and degenerate early while others remain unaffected even in advanced disease. ApoER2-Dab1 signaling suppresses Tau phosphorylation as part of a four-arm pathway that regulates lipoprotein internalization and the integrity of actin, microtubules, and synapses; however, the role of this pathway in sAD pathogenesis is not fully understood. We previously showed that multiple ApoER2-Dab1 pathway components including ApoE, Reelin, ApoER2, Dab1, pP85α
    MeSH term(s) Humans ; Alzheimer Disease/genetics ; Apolipoproteins E/metabolism ; Cell Adhesion Molecules, Neuronal/genetics ; Cell Adhesion Molecules, Neuronal/metabolism ; Extracellular Matrix Proteins/metabolism ; Nerve Tissue Proteins/metabolism ; Phosphorylation ; Receptors, LDL/metabolism ; Serine Endopeptidases/metabolism
    Chemical Substances Apolipoproteins E ; Cell Adhesion Molecules, Neuronal ; Extracellular Matrix Proteins ; Nerve Tissue Proteins ; Receptors, LDL ; Serine Endopeptidases (EC 3.4.21.-) ; low density lipoprotein receptor-related protein 8 ; DAB1 protein, human
    Language English
    Publishing date 2023-12-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 2715589-4
    ISSN 2051-5960 ; 2051-5960
    ISSN (online) 2051-5960
    ISSN 2051-5960
    DOI 10.1186/s40478-023-01693-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Associations between Plasma Lipid Mediators and Chronic Daily Headache Outcomes in Patients Randomized to a Low Linoleic Acid Diet with or without Added Omega-3 Fatty Acids.

    Shen, Qing / Yang, Jun / Zamora, Daisy / Horowitz, Mark / Faurot, Keturah R / MacIntosh, Beth A / Mann, J Douglas / Hammock, Bruce D / Ramsden, Christopher E / Taha, Ameer Y

    Metabolites

    2023  Volume 13, Issue 6

    Abstract: A previous report showed that 12-week lowering of dietary omega-6 linoleic acid (LA) coupled with increased omega-3 polyunsaturated fatty acid (PUFA) intake (H3-L6 diet) reduced headache frequency and improved quality of life in patients with chronic ... ...

    Abstract A previous report showed that 12-week lowering of dietary omega-6 linoleic acid (LA) coupled with increased omega-3 polyunsaturated fatty acid (PUFA) intake (H3-L6 diet) reduced headache frequency and improved quality of life in patients with chronic daily headaches (CDHs) compared to dietary LA reduction alone (L6 diet). The trial also showed that targeted dietary manipulation alters PUFA-derived lipid mediators and endocannabinoids. However, several additional classes of lipid mediators associated with pain in preclinical models were not measured. The current secondary analysis investigated whether the clinical benefits of the H3-L6 diet were related to changes in plasma unesterified PUFA-derived lipid mediators known to be involved in nociception, including prostanoids. Lipid mediators were measured by ultra-high-pressure liquid chromatography coupled with tandem mass-spectrometry. Compared to baseline, dietary LA lowering with or without added omega-3 fatty acids did not alter unesterified n-6 PUFA-derived lipid mediators, although several species derived from LA, di-homo-gamma-linolenic acid, and arachidonic acid were positively associated with headache frequency and intensity, as well as mental health burden. Alpha-linolenic acid (ALA)-derived metabolites were also associated with increased headache frequency and intensity, although they did not change from the baseline in either dietary group. Compared to baseline, docosahexaenoic acid (DHA)-derived epoxides were more elevated in the H3-L6 group compared to the L6 group. Diet-induced elevations in plasma DHA-epoxides were associated with reduced headache frequency, better physical and mental health, and improved quality of life (
    Language English
    Publishing date 2023-05-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662251-8
    ISSN 2218-1989
    ISSN 2218-1989
    DOI 10.3390/metabo13060690
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: ApoER2-Dab1 disruption as the origin of pTau-related neurodegeneration in sporadic Alzheimer's disease.

    Ramsden, Christopher E / Zamora, Daisy / Horowitz, Mark / Jahanipour, Jahandar / Keyes, Gregory / Li, Xiufeng / Murray, Helen C / Curtis, Maurice A / Faull, Richard M / Sedlock, Andrea / Maric, Dragan

    Research square

    2023  

    Abstract: Background: Sporadic Alzheimer's disease (sAD) is not a global brain disease. Specific regions, layers and neurons degenerate early while others remain untouched even in advanced disease. The prevailing model used to explain this selective ... ...

    Abstract Background: Sporadic Alzheimer's disease (sAD) is not a global brain disease. Specific regions, layers and neurons degenerate early while others remain untouched even in advanced disease. The prevailing model used to explain this selective neurodegeneration-prion-like Tau spread-has key limitations and is not easily integrated with other defining sAD features. Instead, we propose that in humans Tau hyperphosphorylation occurs locally via disruption in ApoER2-Dab1 signaling and thus the presence of ApoER2 in neuronal membranes confers vulnerability to degeneration. Further, we propose that disruption of the Reelin/ApoE/ApoJ-ApoER2-Dab1-P85α-LIMK1-Tau-PSD95 (RAAAD-P-LTP) pathway induces deficits in memory and cognition by impeding neuronal lipoprotein internalization and destabilizing actin, microtubules, and synapses. This new model is based in part on our recent finding that ApoER2-Dab1 disruption is evident in entorhinal-hippocampal terminal zones in sAD. Here, we hypothesized that neurons that degenerate in the earliest stages of sAD (1) strongly express ApoER2 and (2) show evidence of ApoER2-Dab1 disruption through co-accumulation of multiple RAAAD-P-LTP components.
    Methods: We applied
    Results: We found that: (1) selectively vulnerable neuron populations strongly express ApoER2; (2) numerous RAAAD-P-LTP pathway components accumulate in neuritic plaques and abnormal neurons; and (3) RAAAD-P-LTP components were higher in MCI and sAD cases and correlated with histological progression and cognitive deficits. Multiplex-IHC revealed that Dab1, pP85α
    Conclusion: Findings support the RAAAD-P-LTP hypothesis, a unifying model that implicates dendritic ApoER2-Dab1 disruption as the major driver of both pTau accumulation and neurodegeneration in sAD. This model provides a new conceptual framework to explain why specific neurons degenerate and identifies RAAAD-P-LTP pathway components as potential mechanism-based biomarkers and therapeutic targets for sAD.
    Language English
    Publishing date 2023-06-28
    Publishing country United States
    Document type Preprint
    DOI 10.21203/rs.3.rs-2968020/v1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: ApoER2-Dab1 disruption as the origin of pTau-related neurodegeneration in sporadic Alzheimer's disease.

    Ramsden, Christopher E / Zamora, Daisy / Horowitz, Mark S / Jahanipour, Jahandar / Keyes, Gregory S / Li, Xiufeng / Murray, Helen C / Curtis, Maurice A / Faull, Richard M / Sedlock, Andrea / Maric, Dragan

    medRxiv : the preprint server for health sciences

    2023  

    Abstract: Background: Sporadic Alzheimer's disease (sAD) is not a global brain disease. Specific regions, layers and neurons degenerate early while others remain untouched even in advanced disease. The prevailing model used to explain this selective ... ...

    Abstract Background: Sporadic Alzheimer's disease (sAD) is not a global brain disease. Specific regions, layers and neurons degenerate early while others remain untouched even in advanced disease. The prevailing model used to explain this selective neurodegeneration-prion-like Tau spread-has key limitations and is not easily integrated with other defining sAD features. Instead, we propose that in humans Tau hyperphosphorylation occurs locally via disruption in ApoER2-Dab1 signaling and thus the presence of ApoER2 in neuronal membranes confers vulnerability to degeneration. Further, we propose that disruption of the Reelin/ApoE/ApoJ-ApoER2-Dab1-P85α-LIMK1-Tau-PSD95 (RAAAD-P-LTP) pathway induces deficits in memory and cognition by impeding neuronal lipoprotein internalization and destabilizing actin, microtubules, and synapses. This new model is based in part on our recent finding that ApoER2-Dab1 disruption is evident in entorhinal-hippocampal terminal zones in sAD. Here, we hypothesized that neurons that degenerate in the earliest stages of sAD (1) strongly express ApoER2 and (2) show evidence of ApoER2-Dab1 disruption through co-accumulation of multiple RAAAD-P-LTP components.
    Methods: We applied
    Results: We found that: (1) selectively vulnerable neuron populations strongly express ApoER2; (2) numerous RAAAD-P-LTP pathway components accumulate in neuritic plaques and abnormal neurons; and (3) RAAAD-P-LTP components were higher in MCI and sAD cases and correlated with histological progression and cognitive deficits. Multiplex-IHC revealed that Dab1, pP85α
    Conclusion: Findings support the RAAAD-P-LTP hypothesis, a unifying model that implicates dendritic ApoER2-Dab1 disruption as the major driver of both pTau accumulation and neurodegeneration in sAD. This model provides a new conceptual framework to explain why specific neurons degenerate and identifies RAAAD-P-LTP pathway components as potential mechanism-based biomarkers and therapeutic targets for sAD.
    Language English
    Publishing date 2023-05-21
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2023.05.19.23290250
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Are Patients With Schizophrenia Better Off With Lifetime Antipsychotic Medication?: Replication of a Naturalistic, Long-Term, Follow-Up Study of Antipsychotic Treatment.

    Glick, Ira D / Zamora, Daisy / Davis, John M / Suryadevara, Uma / Goldenson, Andrea / Kamis, Danielle

    Journal of clinical psychopharmacology

    2020  Volume 40, Issue 2, Page(s) 145–148

    Abstract: Purpose/background: The question of whether people with schizophrenia should be treated with antipsychotics for life has been debated for decades. We recently reported results of 2 retrospective long-term naturalistic studies examining the association ... ...

    Abstract Purpose/background: The question of whether people with schizophrenia should be treated with antipsychotics for life has been debated for decades. We recently reported results of 2 retrospective long-term naturalistic studies examining the association of medication adherence and global outcomes in different demographic samples. In both, we found that patients with a history of better adherence to antipsychotic medication had better quality of life outcomes. Using similar methodology, here we present such associations for a very different sample-patients with chronic schizophrenia with a long past history of antipsychotic treatment that had been treated for 19 to 53 years in a Veterans Affairs clinic.
    Methods: This is a retrospective, naturalistic, longitudinal 19- to 53-year (mean average, 33.5 years) lifetime follow-up of a consecutive series of patients with schizophrenia, who had at least 8 years of antipsychotic treatment. Lifetime data were collected on (1) their medication adherence, (2) long-term global outcome, and (3) life satisfaction. Outcomes were rated by 2 different clinicians, one with information on medication adherence (nonblind rater) and one without (blind rater). Linear regression models, adjusted for age, family support, substance use disorder, race, marital status, and number of years in treatment were used to estimate the association between adherence and each outcome.
    Results: A total of 20 patients were assessed. Medication adherence was positively associated with the blind clinician's rating of global outcome (P = 0.049) and the Global Assessment of Functioning (P = 0.021). In the nonblinded clinician's rating, medication adherence was positively related to global outcome (P = 0.001) and to the patient's report of life satisfaction (P = 0.028).
    Implications/conclusions: This replication study, together with our previous 2 studies, is consistent with the recommendation for continuous, long-term treatment for chronic schizophrenia over many years of a patient's lifetime unless medically contraindicated.
    MeSH term(s) Adult ; Aged ; Antipsychotic Agents/administration & dosage ; Chronic Disease/drug therapy ; Female ; Humans ; Longitudinal Studies ; Male ; Medication Adherence ; Middle Aged ; Outcome and Process Assessment, Health Care ; Retrospective Studies ; Schizophrenia/drug therapy ; United States ; United States Department of Veterans Affairs
    Chemical Substances Antipsychotic Agents
    Language English
    Publishing date 2020-03-24
    Publishing country United States
    Document type Journal Article ; Observational Study
    ZDB-ID 604631-9
    ISSN 1533-712X ; 0271-0749
    ISSN (online) 1533-712X
    ISSN 0271-0749
    DOI 10.1097/JCP.0000000000001171
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  9. Article ; Online: Analysis of omega-3 and omega-6 polyunsaturated fatty acid metabolism by compound-specific isotope analysis in humans.

    Chen, Daniel K / Metherel, Adam H / Rezaei, Kimia / Parzanini, Camilla / Chen, Chuck T / Ramsden, Christopher E / Horowitz, Mark / Faurot, Keturah R / MacIntosh, Beth / Zamora, Daisy / Bazinet, Richard P

    Journal of lipid research

    2023  Volume 64, Issue 9, Page(s) 100424

    Abstract: Natural variations in ... ...

    Abstract Natural variations in the
    MeSH term(s) Adult ; Animals ; Humans ; Female ; Male ; Fatty Acids, Omega-6 ; Fatty Acids, Omega-3 ; Eicosapentaenoic Acid/metabolism ; Fatty Acids ; Phospholipids ; Docosahexaenoic Acids/metabolism
    Chemical Substances Fatty Acids, Omega-6 ; Fatty Acids, Omega-3 ; Eicosapentaenoic Acid (AAN7QOV9EA) ; Fatty Acids ; Phospholipids ; Docosahexaenoic Acids (25167-62-8)
    Language English
    Publishing date 2023-08-10
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article ; Research Support, N.I.H., Intramural ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 80154-9
    ISSN 1539-7262 ; 0022-2275
    ISSN (online) 1539-7262
    ISSN 0022-2275
    DOI 10.1016/j.jlr.2023.100424
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  10. Article ; Online: Add-On Pramipexole for the Treatment of Schizophrenia and Schizoaffective Disorder: A Randomized Controlled Trial.

    Levi, Linda / Zamora, Daisy / Nastas, Igor / Gonen, Ilan / Radu, Paull / Matei, Valentin / Ciobanu, Adela M / Nacu, Anatol / Boronin, Larisa / Karakrah, Lusian / Davidson, Michael / Davis, John M / Weiser, Mark

    The Journal of clinical psychiatry

    2022  Volume 83, Issue 5

    Abstract: Objective:: Methods:: Results:: Conclusions:: Trial Registration: ...

    Abstract Objective:
    Methods:
    Results:
    Conclusions:
    Trial Registration:
    MeSH term(s) Antipsychotic Agents/therapeutic use ; Double-Blind Method ; Humans ; Pramipexole/therapeutic use ; Psychiatric Status Rating Scales ; Psychotic Disorders/drug therapy ; Psychotic Disorders/psychology ; Schizophrenia/drug therapy ; Treatment Outcome
    Chemical Substances Antipsychotic Agents ; Pramipexole (83619PEU5T)
    Language English
    Publishing date 2022-08-01
    Publishing country United States
    Document type Journal Article ; Multicenter Study ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
    ZDB-ID 716287-x
    ISSN 1555-2101 ; 0160-6689
    ISSN (online) 1555-2101
    ISSN 0160-6689
    DOI 10.4088/JCP.21m14233
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