Evidence map›Paper›PMID 27325394›Full record

ArticlePsychopharmacology2016

Sex differences in the reduction of impulsive choice (delay discounting) for cocaine in rats with atomoxetine and progesterone.

John R Smethells, Natashia L Swalve, Lynn E Eberly, Marilyn E Carroll

Abstract read
In one paragraph

Article in Psychopharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing 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

27 citing papers in PubMed.

  1. The role of ovarian hormones in risk aversion in female rats.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
    Article
  2. Review
  3. Review
  4. Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Regulation of risky decision making by gonadal hormones in males and females.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2021
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article
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

4 authors.

John R SmethellsDepartment of Psychiatry, University of Minnesota, Minneapolis, MN, 55455, USA. jsmethells@gmail.com.
Natashia L SwalveDepartment of Psychiatry, University of Minnesota, Minneapolis, MN, 55455, USA.
Lynn E EberlyDivision of Biostatistics, University of Minnesota, Minneapolis, MN, 55455, USA.
Marilyn E CarrollDepartment of Psychiatry, University of Minnesota, Minneapolis, MN, 55455, USA.

Funding

Training in PharmacoNeuroImmune Substance Abuse ResearchT32DA007097 · NIDA · UNIVERSITY OF MINNESOTA TWIN CITIES · PI MOLITOR, THOMAS WILLIAM · 1985 to 2021
$13.1M
Statistical Analysis CoreP50DA033942 · NIDA · UNIVERSITY OF MINNESOTA · PI CARROLL, MARILYN E. · 2012 to 2017
$6.3M
NIDA NIH HHS P50 DA033942NIDA NIH HHS T32 DA007097
6 · The paper itself

Abstract

rationaleImpulsive choice, or an inability to delay immediate gratification, has been strongly linked to the development and persistence of drug abuse. Indeed, delaying drug use itself may underlie drug addiction and relapse. Thus, employing treatments that are efficacious in reducing impulsive choice (atomoxetine; ATO) or drug-seeking behavior (progesterone; PRO) may be an effective means of treating drug addiction.

objectiveThe current study assessed sex differences in the effects of PRO, ATO, and their combination in a delay discounting paradigm for cocaine and for sucrose pellets.

methodMale and female rats chose between a small-immediate or a large-delayed (0, 7.5, 15, 30, 60 s) outcome in an impulsive choice procedure for sucrose pellets (1 vs. 3 pellets) or for iv cocaine infusions (0.3 vs. 0.9 mg/kg). Following baseline assessment of impulsive choice, rats received daily treatment of vehicle (VEH), PRO (0.5 mg/kg), ATO (1.5 mg/kg), or a combination (PRO + ATO) until a second assessment of impulsive choice was determined.

resultsCompared to the VEH group, females were less impulsive for cocaine following PRO or the PRO + ATO combined treatment, whereas males were less impulsive for cocaine following ATO. No treatment effects were observed on impulsive choice for sucrose pellets.

conclusionsThe present results indicate that impulsive choice for cocaine is reduced by PRO in females and by ATO in males. These findings suggest both treatments may be an effective intervention in treating cocaine abuse, but that their effectiveness differs by sex.

Indexed as

Adrenergic Uptake InhibitorsAnimalsAtomoxetine HydrochlorideBehavior, AnimalChoice BehaviorCocaineDelay DiscountingDopamine Uptake InhibitorsDrug-Seeking BehaviorFemaleImpulsive BehaviorMaleProgesteroneProgestinsRatsSex FactorsAdrenergic Uptake InhibitorsAtomoxetine HydrochlorideCocaineDopamine Uptake InhibitorsProgesteroneProgestinsSucroseSweetening AgentsCocaineDelay discountingFemaleImpulsive choiceRatsRecreational drug use

Identifiers

PMID27325394
PMCPMC4935598

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

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.