Evidence map›Paper›PMID 29367347›Full record

ArticleScience translational medicine2018

Miniaturized neural system for chronic, local intracerebral drug delivery.

Canan Dagdeviren, Khalil B Ramadi, Pauline Joe, Kevin Spencer, Helen N Schwerdt, Hideki Shimazu, Sebastien Delcasso, Ken-Ichi Amemori, Carlos Nunez-Lopez, Ann M Graybiel and 2 more

Abstract read
In one paragraph

Article in Science translational medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

43 citing papers in PubMed.

  1. Article
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  5. Article
  6. Smart closed-loop drug delivery systems.Nature reviews bioengineering · 2025
    Article
  7. Article
  8. Multifunctional bioelectronics for brain-body circuits.Nature reviews bioengineering · 2025
    Article
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  17. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Canan DagdevirenKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0002-2032-792X
Khalil B RamadiKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0002-5864-2386
Pauline JoeKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0001-5640-0247
Kevin SpencerKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Helen N SchwerdtKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Hideki ShimazuMcGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0002-8507-5938
Sebastien DelcassoMcGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0003-1586-6934
Ken-Ichi AmemoriMcGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Carlos Nunez-LopezKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0001-9859-8562
Ann M GraybielMcGovern Institute for Brain Research and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.ORCID 0000-0002-4326-7720
Michael J CimaKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mjcima@mit.edu rlanger@mit.edu.ORCID 0000-0003-2379-6139
Robert LangerKoch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mjcima@mit.edu rlanger@mit.edu.ORCID 0000-0003-4255-0492

Funding

A New Device for Electrical & Chemical Modulation of Pathological Neural ActivityR01EB016101 · NIBIB · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI CIMA, MICHAEL J, GRAYBIEL, ANN M · 2013 to 2017
$5.5M
NIBIB NIH HHS R01 EB016101
6 · The paper itself

Abstract

Recent advances in medications for neurodegenerative disorders are expanding opportunities for improving the debilitating symptoms suffered by patients. Existing pharmacologic treatments, however, often rely on systemic drug administration, which result in broad drug distribution and consequent increased risk for toxicity. Given that many key neural circuitries have sub-cubic millimeter volumes and cell-specific characteristics, small-volume drug administration into affected brain areas with minimal diffusion and leakage is essential. We report the development of an implantable, remotely controllable, miniaturized neural drug delivery system permitting dynamic adjustment of therapy with pinpoint spatial accuracy. We demonstrate that this device can chemically modulate local neuronal activity in small (rodent) and large (nonhuman primate) animal models, while simultaneously allowing the recording of neural activity to enable feedback control.

Indexed as

Drug Delivery SystemsMiniaturizationAnesthesiaAnimalsBehavior, AnimalInjections, IntraventricularMacaca mulattaNervous SystemRatsWakefulness

Identifiers

PMID29367347
PMCPMC6746310

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.