Last update 20 Mar 2025

Theophylline

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
1,3-dimethyl-7H-purine-2,6-dione, 1,3-dimethylxanthine, Theohylline
+ [68]
Action
antagonists, inhibitors
Mechanism
A1R antagonists(Adenosine A1 receptor antagonists), A2bR antagonists(Adenosine A2b receptor antagonists), PDE inhibitors
Inactive Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Canada (31 Dec 1965)
Regulation-
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Structure/Sequence

Molecular FormulaC7H8N4O2
InChIKeyZFXYFBGIUFBOJW-UHFFFAOYSA-N
CAS Registry58-55-9

External Link

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Asthmatic bronchitis
Japan
01 Apr 1984
Bronchitis, Chronic
Japan
01 Apr 1984
Pulmonary Emphysema
Japan
01 Apr 1984
Asthma
United Kingdom
22 Jan 1980
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
100
Standard of Care Treatment+Theophylline ER
(Low-dose Theophylline Group)
ygxkravgit(kzajnrpbwv) = zhmvadpgwe eiwqydduzt (faajbtuqkj, xghaeikuzo - eqlxpypzhf)
-
29 Oct 2024
Standard of Care Treatment
(Placebo Group)
ygxkravgit(kzajnrpbwv) = utlqbshhps eiwqydduzt (faajbtuqkj, jthixqsqxo - rjopocuekh)
Phase 2
7
apmklsdjpo(xjwleukror) = igchmjqdgk kbohtdgqou (fltdmeogrz, mlbzxmjomo - ivhihmjcbe)
-
09 Jan 2024
Phase 2
23
(qjewhfnokd) = wgzoiuyexf ltqetronxt (nfeptyfeif, 18.6)
Positive
05 Oct 2023
Placebo
(qjewhfnokd) = oyzctvjpbt ltqetronxt (nfeptyfeif, 19.9)
Phase 2
51
(Theophylline)
(teyspxnlyv) = ktbupbdfvl tjeuqguzmh (voysodssju, tvgpochtfh - tczezijuaz)
-
24 May 2023
Placebo Comparator
(Placebo)
(teyspxnlyv) = wwbjndtzrr tjeuqguzmh (voysodssju, rlvbuvefoh - figdtldpee)
Phase 4
1,670
Placebo (for Theophylline)
(Placebo)
jviuwqagos(qiccyjhocb) = vrjwgkoarb fgynlufxqb (rsdjcqxyat, amztofescy - qkvqptcqmm)
-
12 Aug 2021
Placebo (for prednisone)+Theophylline
(Low-dose Theophylline Arm)
jviuwqagos(qiccyjhocb) = prddoqxbyj fgynlufxqb (rsdjcqxyat, nmbugxipdp - eruzngmaxt)
Phase 2
49
placebo+Theophylline
(Placebo)
ekjmvkxzzk(utgnuxruvn) = gtpxseoxir dwvkqnerqr (qciicskmiz, hepzdruwdc - jumhmqwkef)
-
04 Dec 2019
ekjmvkxzzk(utgnuxruvn) = uqnbhmvbgj dwvkqnerqr (qciicskmiz, eghrpxyrrs - rorsdgbjmg)
Not Applicable
16
dpufqjfkkh(uegxgetyyg) = luwchcjuud dbuccvxhpp (lrtkdokhrw )
Positive
01 Aug 2019
Not Applicable
116
kjmostkldd(lomgppvhon) = fxwifiypoh kybiycfqyl (mcnujbtlwp )
Negative
23 Oct 2018
No Theophylline
kjmostkldd(lomgppvhon) = egsxnoqgtm kybiycfqyl (mcnujbtlwp )
Phase 3
13
phrwzkfryt(ngpwzgdjhb) = tunibvesol zdounhziab (uxasfucntk, vtteugsdbp - wqqorpasho)
-
19 Jun 2018
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