Page last updated: 2024-11-01

o(6)-benzylguanine and Skin Neoplasms

o(6)-benzylguanine has been researched along with Skin Neoplasms in 4 studies

O(6)-benzylguanine: a suicide inhibitor of O(6)-methylguanine-DNA methyltransferase activity

Skin Neoplasms: Tumors or cancer of the SKIN.

Research Excerpts

ExcerptRelevanceReference
"In a phase 1 trial, single-dose O6-benzylguanine with topical carmustine for patients with early stage (stage IA through stage IIA) cutaneous T-cell lymphoma, mycosis fungoides (MF) type, resulted in clinical responses proportional to inhibition of O6-alkylguanine-DNA alkyltransferase activity, but a maximum tolerated dose (MTD) was not reached."9.24Evaluation of O6-Benzylguanine-Potentiated Topical Carmustine for Mycosis Fungoides: A Phase 1-2 Clinical Trial. ( Carlson, S; Chan, DV; Cooper, KD; Dowlati, A; Fu, P; Gerson, SL; Groft, S; Honda, K; Lu, K; McCormick, TS; Rosenjack, J; Tacastacas, JD, 2017)
"A total of 21 adult patients (11 male, 10 female)with early-stage (IA-IIA) refractory CTCL, mycosis fungoides type, treated with topical carmustine following intravenous O6-benzylguanine."9.16Phase I clinical trial of O6-benzylguanine and topical carmustine in the treatment of cutaneous T-cell lymphoma, mycosis fungoides type. ( Apisarnthanarax, N; Carlson, S; Chan, DV; Cooper, KD; Fu, P; Gerson, SL; Gilliam, AC; Liu, L; Remick, SC; Stevens, SR; Szabo, SK; Wood, GS, 2012)
"In a phase 1 trial, single-dose O6-benzylguanine with topical carmustine for patients with early stage (stage IA through stage IIA) cutaneous T-cell lymphoma, mycosis fungoides (MF) type, resulted in clinical responses proportional to inhibition of O6-alkylguanine-DNA alkyltransferase activity, but a maximum tolerated dose (MTD) was not reached."5.24Evaluation of O6-Benzylguanine-Potentiated Topical Carmustine for Mycosis Fungoides: A Phase 1-2 Clinical Trial. ( Carlson, S; Chan, DV; Cooper, KD; Dowlati, A; Fu, P; Gerson, SL; Groft, S; Honda, K; Lu, K; McCormick, TS; Rosenjack, J; Tacastacas, JD, 2017)
"A total of 21 adult patients (11 male, 10 female)with early-stage (IA-IIA) refractory CTCL, mycosis fungoides type, treated with topical carmustine following intravenous O6-benzylguanine."5.16Phase I clinical trial of O6-benzylguanine and topical carmustine in the treatment of cutaneous T-cell lymphoma, mycosis fungoides type. ( Apisarnthanarax, N; Carlson, S; Chan, DV; Cooper, KD; Fu, P; Gerson, SL; Gilliam, AC; Liu, L; Remick, SC; Stevens, SR; Szabo, SK; Wood, GS, 2012)

Research

Studies (4)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's1 (25.00)29.6817
2010's3 (75.00)24.3611
2020's0 (0.00)2.80

Authors

AuthorsStudies
von Felbert, V1
Bauerschlag, D1
Maass, N1
Bräutigam, K1
Meinhold-Heerlein, I1
Woitok, M1
Barth, S1
Hussain, AF1
Tacastacas, JD1
Chan, DV2
Carlson, S2
Gerson, SL2
Dowlati, A1
Fu, P2
Lu, K1
Groft, S1
Rosenjack, J1
Honda, K1
McCormick, TS1
Cooper, KD2
Apisarnthanarax, N1
Wood, GS1
Stevens, SR1
Liu, L1
Szabo, SK1
Gilliam, AC1
Remick, SC1
Fontijn, D1
Adema, AD1
Bhakat, KK1
Pinedo, HM1
Peters, GJ1
Boven, E1

Clinical Trials (2)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
A Phase I/II Multicenter Clinical Trial of O6Benzylguanine and Topical Carmustine in the Treatment of Refractory Early-Stage (IA-IIA) Cutaneous T-Cell Lymphoma[NCT00961220]Phase 1/Phase 217 participants (Actual)Interventional2010-02-01Completed
Phase I Trial of O6 Benzylguanine and BCNU in Cutaneous T-cell Lymphoma[NCT00003613]Phase 120 participants (Anticipated)Interventional1999-04-30Terminated
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

Overall Response Rate

"Based on changes in modified SWAT assessment, patient responses will be classified as complete clinical response (CCR), partial response (PR), stable disease (SD), or progressive disease (PD). SWAT provides an accurate and reproducible assessment of cutaneous disease involvement based on body surface area of involvement and lesional thickness.~CCR: No evidence of disease, 100% improvement for a duration of at least 4 weeks. PR: Greater than or equal to 50% decrease in SWAT score compared to baseline and improvement is maintained for at least 4 weeks. SD: Less than 50% decrease in SWAT score compared to baseline. PD: Increase of greater or equal to 25% of the SWAT score compared to baseline while the patient is actively taking the study drug" (NCT00961220)
Timeframe: Up to 2 weeks after completion of study treatment

Interventionparticipants (Number)
Complete Clinical Response-confirmedComplete Clinical Response-unconfirmedPartial ResponseProgressive Disease
Treatment (O6-benzylguanine, Carmustine)6281

Trials

2 trials available for o(6)-benzylguanine and Skin Neoplasms

ArticleYear
Evaluation of O6-Benzylguanine-Potentiated Topical Carmustine for Mycosis Fungoides: A Phase 1-2 Clinical Trial.
    JAMA dermatology, 2017, 05-01, Volume: 153, Issue:5

    Topics: Administration, Cutaneous; Administration, Intravenous; Adult; Aged; Antineoplastic Combined Chemoth

2017
Phase I clinical trial of O6-benzylguanine and topical carmustine in the treatment of cutaneous T-cell lymphoma, mycosis fungoides type.
    Archives of dermatology, 2012, Volume: 148, Issue:5

    Topics: Administration, Topical; Adult; Aged; Aged, 80 and over; Antineoplastic Agents, Alkylating; Biomarke

2012

Other Studies

2 other studies available for o(6)-benzylguanine and Skin Neoplasms

ArticleYear
A specific photoimmunotheranostics agent to detect and eliminate skin cancer cells expressing EGFR.
    Journal of cancer research and clinical oncology, 2016, Volume: 142, Issue:5

    Topics: Carcinoma, Squamous Cell; ErbB Receptors; Flow Cytometry; Fluorescent Dyes; Guanine; Humans; Immunot

2016
O6-methylguanine-DNA-methyltransferase promoter demethylation is involved in basic fibroblast growth factor induced resistance against temozolomide in human melanoma cells.
    Molecular cancer therapeutics, 2007, Volume: 6, Issue:10

    Topics: Antineoplastic Agents; Antineoplastic Agents, Alkylating; Base Pair Mismatch; Blotting, Western; Dac

2007