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PubMed Journals Articles About "ObsEva Ditches Trial After Disappointing Late Stage Results" RSS

17:59 EST 25th January 2020 | BioPortfolio

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Showing "ObsEva ditches trial after disappointing late stage results" PubMed Articles 1–25 of 46,000+

Are vegetated drainage ditches effective for nitrogen removal under cold temperatures?

Vegetated ditches are widely used to treat agricultural wastewater, but effective nitrogen removal at low temperatures remains a challenge because plants wilt in the winter. In this study, three simulated drainage ditches vegetated with Myriophyllum aquaticum were operated with low, medium, and high water levels to study ammonium nitrogen (NH-N) removal under cold temperatures. The M. aquaticum ditches had a mean NH-N removal efficiency of 75.8-86.8% throughout cold period. Based on nitrogen mass balance, p...


Rising incidence of late-stage head and neck cancer in the United States.

The current study was conducted to determine whether the incidence of late-stage head and neck cancer (HNC) is decreasing and to estimate the risk of late-stage HNC diagnosis based on race and sex.

HIV Testing, Access to HIV-Related Services, and Late-Stage HIV Diagnoses Across US States, 2013-2016.

To examine state-level factors associated with late-stage HIV diagnoses in the United States. We examined state-level factors associated with late-stage diagnoses by estimating negative binomial regression models. We used 2013 to 2016 data from the National HIV Surveillance System (late-stage diagnoses), the Behavioral Risk Factor Surveillance System (HIV testing), and the American Community Survey (sociodemographics). Among individuals 25 to 44 years old, a 5% increase in the percentage of the state popula...


Is there a relationship between dynamic thiol/disulfide homeostasis and osteoarthritis progression?

We aim to determine serum dynamic thiol/disulphide homeostasis with novel methods in early-stage osteoarthritis and late-stage osteoarthritis patients and investigated whether it was associated with the progression of osteoarthritis risk or not. One hundred eighteen patients were included in this prospective study. Osteoarthritis patients were divided into five stages, according to the Kellgren-Lawrence scale. Dynamic thiol/disulphide homeostasis was determined with a novel spectrophotometric method. Late-s...

Late-Stage Failures of Monoclonal Antibody Drugs: A Retrospective Case Study Analysis.

To analyze the late-stage failures of monoclonal antibody drugs. The later a drug fails in development, the more time and expense is incurred by the sponsor.

Functionalization of Sulfonamide-Containing Peptides through Late-Stage Palladium-Catalyzed C(sp)-H Arylation.

Bioactive peptides are emerging as promising candidates of clinic therapeutics. Here, we report a method for late-stage functionalization of sulfonamide-containing peptides through Pd-catalyzed C(sp)-H arylation. In this protocol, the backbones of -sulfonated peptides act as directing groups, which allows site-specific arylation of benzylsulfonamide moiety. This chemistry exhibits broad substrate scope and can be utilized to synthesize peptide-peptide and peptide-amino acid conjugates. Our results highlight...

CARM1 is heterogeneous in mouse four-cell embryo and important to blastocyst development.

Coactivator-associated arginine methyltransferase 1 (CARM1) is a type I arginine methyltransferase that methylates the arginine residues of histone and nonhistone. Carm1 regulates various cellular processes, including transcriptional regulation, mRNA processing, cellular proliferation, and differentiation. Blastomeres with high Carm1 expression levels show cleavage tendency to inner cell mass (ICM) in mouse embryos. However, details about the factors for CARM1 distribution in mouse early embryos and the rol...

Current management of limited-stage SCLC and CONVERT trial impact: Results of the EORTC Lung Cancer Group survey.

The CONVERT trial showed that twice-daily (BD) concurrent chemoradiotherapy should continue to be considered the standard of care in localised LS-SCLC. A survey was conducted to assess the impact of the CONVERT trial in clinical practice and to identify any relevant research questions for future trials in this setting.

An overview of late-stage functionalization in today's drug discovery.

: Late-stage functionalization (LSF) can introduce important chemical groups in the very last steps of the synthesis. LSF has the potential to speed up the preparation of novel chemical entities and diverse chemical libraries and have a major impact on drug discovery. Functional group tolerance and mild conditions allows access to new molecules not easily accessible by conventional approaches without the need for laborious chemical synthesis. : A historical overview of late-stage functionalization and its ...

Investigating the role of organic carbon amendments and microbial denitrification gene abundance in nitrogen removal from experimental agricultural drainage ditches with low-grade weirs.

Low-grade weirs placed within agricultural drainage ditches in the Lower Mississippi Alluvial Valley can be used as a management practice to enhance nitrogen removal. The addition of organic carbon amendments within ditches that contain weirs could further increase nitrogen removal. Through repeated trials, changes in NO -N concentration between inflow and outflow were variable in the ditch without weirs, while only decreases in concentration were observed in ditches with weirs. Significant differences in N...

Synthesis of (-)-Mitrephorone A via a Bio-inspired Late Stage C-H Oxidation of (-)-Mitrephorone B.

We present a bio-inspired late stage C-H oxidation of the ent-trachylobane natural product mitrephorone B to mitrephorone A. The realization of this unprecedented transformation was accomplished by either an iron-catalyzed or electrochemical oxidation and enabled access to the densely substituted ox-etane in one step. Formation of mitrephorone C, which is lacking the central oxetane unit but features a keto-function at C2, was not formed under these conditions.

C-N Cross-Couplings for Site-Selective Late-Stage Diversification via Aryl Sulfonium Salts.

We report diverse C-N cross-coupling reactions of aryl thianthrenium salts that are formed site-selectively by direct C-H functionalization. The scope of N-nucleophiles ranges from primary and secondary alkyl and aryl amines to various N-containing heterocycles, and the overall transformation is applicable to late-stage functionalization of complex, drug-like small molecules.

Detection of early stage ovarian cancer in a large community cohort.

Although detecting ovarian cancer at early stage is a highly meaningful clinical goal, no studies have evaluated early stage disease presentation in a large community-based population and how it differs from that of late stage disease.

Effects of temperature on paocai bacterial succession revealed by culture-dependent and culture-independent methods.

Paocai is a widely consumed Chinese traditional fermented vegetable product. To understand the effect of temperature on paocai fermentation flora, the bacterial community structure of paocai fermented at 10 °C, 15 °C, 25 °C and 35 °C was analyzed by culture-dependent and culture-independent methods. The results showed that increasing the fermentation temperature in a certain range is beneficial for rapid paocai acid production and shortening of the maturity period. Illumina Miseq sequencing was perf...

Severe late dysphagia after multimodal treatment of stage III/IV laryngeal and hypopharyngeal cancer.

Long-term side effects after radiotherapy for organ preservation 'could deteriorate' the laryngeal function. This study intended to identify the incidence of severe late dysphagia following the multimodal treatment for stage III/IV laryngeal and hypopharyngeal cancer 'to evaluate the function of larynx'.

Reductive sp-sp Coupling Reactions Enable Late-Stage Modification of Pharmaceuticals.

Late-stage derivatization of pharmaceutically relevant scaffolds relies on the availability of highly functional-group tolerant reactions. Reactions that increase the sp character of molecules enable the pursuit of more selective and well-tolerated pharmaceuticals. Herein, we report the use of sp-sp cross-electrophile reductive couplings to modify a generic ATP-competitive kinase inhibitor with a broad range of primary and secondary alkyl halide coupling partners.

Long-term high-grain diet altered the ruminal pH, fermentation, and composition and functions of the rumen bacterial community, leading to enhanced lactic acid production in Japanese Black beef cattle during fattening.

To increase intramuscular fat accumulation, Japanese Black cattle are commonly fed a high-grain diet from 10 to 30 months of age although it can result in the abnormal accumulation of organic acids in the rumen. We explored the effect of long-term high-concentrate diet feeding on ruminal pH and fermentation, and its effect on the rumen bacterial community in Japanese Black beef cattle during a 20-month fattening period. Nine castrated and fistulated Japanese Black beef cattle were housed with free access to...

Energy metabolism involved in fertility of the wheat TCMS line YS3038.

In the wheat TCMS line YS3038, the anther development is inhibited from late uninucleate stage to the binucleate stage. The disruption of energy metabolism pathways by aberrant transcriptional regulation causes the male sterility under low temperatures. The utilization of thermosensitive male sterile (TMS) lines provides a basis for two-line breeding. Previous work, including morphological and cytological observations, has shown that the development process of the TMS line YS3038 is inhibited from the late ...

The two-stage placental model of preeclampsia: An update.

Early-onset preeclampsia has been linked to poor placentation and fetal growth restriction, whereas late-onset preeclampsia was suggested to result from maternal factors. We have proposed an alternative model, suggesting that both early- and late-onset preeclampsia result from placental syncytiotrophoblast stress. This stress represents a common endpoint of several Stage 1 processes, promoting the clinical stage 2 of preeclampsia (new-onset hypertension and proteinuria or other signs of end-organ dysfunctio...

Organ Preservation and Late Functional Outcome in Oropharyngeal Carcinoma: Rationale of EORTC 1420, the "Best of" Trial.

Dysphagia represents one of the most serious adverse events after curative-intent treatments with a tremendous impact on quality of life in patients with head and neck cancers. Novel surgical and radiation therapy techniques have been developed to better preserve swallowing function, while not negatively influencing local control and/or overall survival. This review focuses on the current literature of swallowing outcomes after curative treatment strategies. Available results from recent studies relevant to...

The Latest Evidence from Vitamin D Intervention Trials for Skeletal and Non-skeletal Outcomes.

Vitamin D has long been considered a central part of the treatment paradigm for osteoporosis. Initial studies in high-risk populations with widespread vitamin D deficiency found a reduction of both vertebral and non-vertebral fractures. Subsequent studies in the general population have yielded mixed but mostly disappointing results both for skeletal and especially non-skeletal outcomes. Recent sequential trial meta-analyses suggest that future studies are likely to be futile given the overall disappointing ...

Optimal two-stage designs for exploratory basket trials.

The primary goal of an exploratory oncology clinical trial is to identify an effective drug for further development. To account for tumor indication selection error, multiple tumor indications are often selected for simultaneous testing in a basket trial. In this article, we propose optimal and minimax two-stage basket trial designs for exploratory clinical trials. Inactive tumor indications are pruned in stage 1 and the active tumor indications are pooled at end of stage 2 to assess overall effectiveness o...

Long-term results from the IDEAL-CRT phase 1/2 trial of isotoxically dose-escalated radiation therapy and concurrent chemotherapy for stage II/III non-small cell lung cancer.

The XTRIAL phase 1/2 multicenter trial of isotoxically dose-escalated concurrent chemoradiotherapy for stage II/III non-small cell lung cancer (NSCLC) investigated two 30-fraction schedules of 5 and 6 weeks duration. We report toxicity, tumor response, progression-free survival (PFS) and overall survival (OS) for both schedules, with long-term follow-up for the 6-week schedule.

Selective Late-Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by Pyry-BF4.

Here we report a simple and practical functionalization of primary sulfonamides by means of a pyrylium salt (Pyry-BF 4 ) with nucleophiles. This simple reagent is capable of activating the poorly nucleophilic NH 2 group in a sulfonamide thus enabling the formation of one of the best electrophiles in organic synthesis: a sulfonyl chloride. Due to the great variety of primary sulfonamides in pharmaceutical contexts, special attention has been placed for the direct conversion of densely functionalized primary ...

Stability of a chronic implanted brain-computer interface in late-stage amyotrophic lateral sclerosis.

We investigated the long-term functional stability and home use of a fully implanted electrocorticography (ECoG)-based brain-computer interface (BCI) for communication by an individual with late-stage Amyotrophic Lateral Sclerosis (ALS).


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