Evidence map›Paper›PMID 26995550›Full record

ArticleCurrent protocols in pharmacology2016

Drug Combinations: Tests and Analysis with Isoboles.

Ronald J Tallarida

Abstract read
In one paragraph

Article in Current protocols in pharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 1 pooled it
–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

47 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  5. A cell-based Sonic Hedgehog signaling transduction system to identify additive and synergistic chemical interactions.Toxicological sciences : an official journal of the Society of Toxicology · 2026
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  20. Isoquinoline Alkaloids fromInternational journal of molecular sciences · 2022
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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

1 author.

Ronald J TallaridaDepartment of Pharmacology and Center on Substance Abuse Research, Temple University, Philadelphia, Pennsylvania.

Funding

Pilot Projects Core (PPC)P30DA013429 · NIDA · TEMPLE UNIV OF THE COMMONWEALTH · PI Anjali M Rajadhyaksha · 2000 to 2026
$34.6M
SYNERGISM AND MEDICATIONS DEVELOPMENT FOR DRUG ABUSER01DA009793 · NIDA · TEMPLE UNIVERSITY · PI TALLARIDA, RONALD · 1996 to 2004
$1.2M
NIDA NIH HHS P30 DA013429NIDA NIH HHS P30 DA13429NIDA NIH HHS R01 DA009793
6 · The paper itself

Abstract

Described in this unit are experimental and computational methods to detect and classify drug interactions. In most cases, this relates to two drugs or compounds with overtly similar effects, e.g., two analgesics or two anti-hypertensives. From the dose-response data of the individual drugs, it is possible to generate a curve, the isobole, which defines all dose combinations that are expected to yield a specified effect. The theory underlying the isobole involves the calculation of doses of drug A that are effectively equivalent to doses of drug B with that equivalence determining whether the isobole is linear or nonlinear. In either case, the isobole allows for a comparison with actual combination effects making it possible to determine whether the interaction is synergistic, additive, or sub-additive. Actual as well as illustrative data are employed to demonstrate experimental design and data analysis.

Indexed as

Dose-Response Relationship, DrugDrug CombinationsDrug InteractionsAnimal ExperimentationAnimalsPharmaceutical PreparationsResearch DesignDrug CombinationsPharmaceutical Preparationsadditivitydrug synergismsub-additivity

Identifiers

PMID26995550
PMCPMC4839184

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.