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Anal Intraepithelial Neoplasia (AIN) in HIV-infected PatientsTECAINNCT02615860

Efficacy and Safety of TCA vs. ECA for the Treatment of AIN in HIV-positive Patients

A study testing Topical 85% trichloroacetic acid (TCA) and Surgical electrocautery (ECA) in people with Anal Intraepithelial Neoplasia (AIN) in HIV-infected Patients, run by University Hospital, Essen at 1 site in Germany.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Comparative evaluation of efficacy and safety of high-resolution anoscopy (HRA)-guided topical treatment (trichloroacetic acid, TCA) vs. surgical treatment (electrocautery, ECA) in HIV-positive patients for human papillomavirus (HPV)- induced AIN, an anal cancer precursor. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Topical 85% trichloroacetic acid (TCA) and Surgical electrocautery (ECA)
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
560 participants
Where
1 siteGermany
Study dates
Nov 2015to 31 Dec 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • HIV positive patients
  • Legally eligible patients and age ≥ 18 years
  • Sufficient knowledge of the German language, spoken and written
  • Patient is willing and able to appear regularly to the treatment- and follow-up appointments
  • Clinically visible AIN-lesion, which was confirmed by histopathology (findings not older than 2 weeks after the date of collection and removal date no longer than 16 weeks prior to baseline)
  • Written informed consent

Who cannot join

  • Currently diagnosed anal cancer or anal cancer in anamnesis (within the last 5 years)
  • Acute life-threatening disease
  • Participation in a proctologic study within the last 30 days
  • Participation in this study at an earlier date
  • Simultaneous participation in another clinical trial, which excludes the participation in this study
  • Simultaneous topical and systemic treatments wtih medications that affect the study outcome, such as immunomodulatory substances: Interferone, imiquimod or systemic glucocorticosteroids
Show all 13Show fewer
  • lactation
  • Pregnancy: In patients of childbearing age, a pregnancy has to be ruled out by pregnancy test or other suitable methods.
  • Women of childbearing potential without adequate contraceptive protection.
  • Contraindication for using trichloroacetic acid or electrocautery
  • Patients in whom general anesthesia in the treatment of AIN is necessary already at study start
  • Other serious intra-anal and proctologic disorders, which make additional proctologic or systemic treatments necessary, which influence the study result, such as an active Crohn's disease, which must be treated locally and systemically with immunosuppressives or an active proctitis.
  • Patients who have been vaccinated before baseline against HPV

Trial locations and contacts

1 site in 1 country.

Germany1 site
  • Universitätsklinikum Essen, Klinik für Dermatologie

    Essen, Nordrheinwestfalen, 45147

Other trials in Germany

About this study

Official title: Efficacy and Safety of Topical Trichloroacetic Acid vs. Electrocautery for the Treatment of Anal Intraepithelial Neoplasia in HIV-positive Patients (TECAIN) - a Randomized Controlled Trial

Comparative evaluation of efficacy and safety of high-resolution anoscopy (HRA)-guided topical treatment (trichloroacetic acid, TCA) vs. surgical treatment (electrocautery, ECA) in HIV-positive patients for human papillomavirus (HPV)- induced AIN, an anal cancer precursor. The primary hypothesis is that cost-saving and simple TCA treatment is non-inferior to the current best option therapy with ECA. TCA treatment would also be possible in the normal setting of a doctor´s office without extensive specialization and without complex technical equipment.

Read the detailed description

Anal human papillomavirus (HPV)-infection and HPV-induced AIN, an anal cancer precursor, are very frequent in HIV-positive patients (HIV+), especially in men who have sex with men (MSM), but also in women. Consequently, HIV+ have a strongly increased risk for anal cancer. Screening for and treatment of AIN are recommended in HIV+, although only two RCT on AIN treatment have been published. We plan a multicenter, unblinded, non-inferiority RCT that evaluates the efficacy and safety of 2 high-resolution anoscopy (HRA)-guided treatment options for AIN: topical application of trichloroacetic acid (TCA) and surgical treatment with electrocautery (ECA).

ECA was the best option for intra-anal AIN in a recent randomized controlled trial (RCT). TCA, an inexpensive and established therapy for genital warts, has been evaluated for AIN only in a retrospective pilot study that showed clearance rates comparable to those found for ECA, with possibly less adverse events (AE). Our primary hypothesis is that cost-saving and simple TCA is non-inferior to ECA. 2800 HIV+ will be screened by HRA in 9 proctological centers and 560 HIV+ with histologically confirmed intra-anal AIN will be randomized (1:1) to receive up to 4 treatments with TCA or ECA within 12 weeks. The primary efficacy endpoint is clinical (HRA) and histological resolution of AIN 4 weeks after the last treatment. Secondary endpoints comprise recurrence of AIN 24 weeks after end of therapy, the number of interventions, AE, and the influence of HPV parameters such as anal HPV-types, viral load and HPV-oncogene-mRNA.

Being tested
Topical 85% trichloroacetic acid (TCA), Surgical electrocautery (ECA)
Keywords
HIV-infection, anal cancer (AC), anal cancer prevention, anal dysplasia, anal intraepithelial neoplasia (AIN), human papillomavirus (HPV), HPV-induced anal cancer precursor lesions, electrocautery (ECA), topical trichloroacetic acid (TCA) treatment.
Medical subject headings
Acquired Immunodeficiency Syndrome, Anus Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Topical 85% trichloroacetic acid (TCA)Other

    Also called Topical treatment with trichloroacetic acid (TCA)

    In the experimental intervention arm, all visible lesions are treated with 85% TCA by dipping the wooden stick end of a cotton swab into a cup containing TCA. The stick end is saturated with TCA and is inserted through the anoscope and directed to the lesion under HRA guidance. TCA is applied to the lesion repeatedly until the lesion changes to a dense white colour. Each TCA application session is followed by another appointment four weeks later, where the clinician re-evaluates the lesions of the patient and determines whether a next TCA application is necessary up to a maximum of four times

  • Surgical electrocautery (ECA)Procedure or surgery

    Also called Device: Electrocauter

    In the control arm, HRA-guided ECA, is performed every 4 weeks up to a maximum of four times. All visible lesions are ablated at every visit. Bleeding from small vessels can be stopped by ECA. Patients undergo local anaesthesia if necessary

Study groups in NCT02615860
Study groupRoleWhat they receive
Topical 85% trichloroacetic acid (TCA)ExperimentalAIN lesions are treated with trichloric acid
Receives: Other: Topical 85% trichloroacetic acid (TCA)
Surgical electrocautery (ECA)Active comparatorAIN lesions are treated with electrocautery
Receives: Procedure: Surgical electrocautery (ECA)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Therapeutic success (success rate) defined as clinically (HRA) and histologically confirmed resolution (normal histology) or regression (from AIN2/3 to AIN1) of AIN

    The primary endpoint is therapeutic success (success rate) defined as clinically (HRA) and histologically confirmed resolution (normal histology) or regression (from AIN 2/3 to AIN1) of AIN four weeks after the last treatment within TECAIN. Patients not showing up at this mandatory follow-up appointment will be counted as treatment failure. Histologically confirmed resolution/regression 4 (to 8) weeks after therapy has been the primary endpoint in the two published RCTs and in several pilot studies. Clearance of AIN after treatment is the most relevant endpoint for patients, since AIN can rapidly progress to AC in HIV+ patients.

    Measured: Four weeks after the last treatment within TECAIN

Secondary outcomes (8)
  1. Recurrence of AIN at the previously treated sites

    Measured: 24 weeks after the end of TECAIN treatment

  2. Number of interventions needed during the 12 weeks TECAIN treatment period.

    Additional treatments are possible after baseline, but they are not mandatory, if the lesions are cleared. So 4 weeks after each treatment the investigator checks, if the lesions are cleared and decides if he does another treatment or if the patient can progress to the follow up

    Measured: 4 weeks after the end of TECAIN treatment

  3. Pain of the proctologic AIN treatments

    Additional treatments are possible after baseline, but they are not mandatory, if the lesions are cleared. So 4 weeks after each treatment the investigator checks, if the lesions are cleared and decides if he does another treatment or if the patient can progress to the follow up

    Measured: Up to 16 weeks after study start

  4. Anal HPV types, HPV multiplicity, HPV DNA load and HPV oncogene mRNA

    Measured: Baseline, 4 and 24 weeks after the end of TECAIN treatment

  5. Recurrence of AIN or new lesions

    Measured: 6 months after completion of TECAIN treatment in previously treated areas

  6. Duration of treatment phase

    Measured: 24 weeks after the end of TECAIN treatment

  7. Adverse events

    Measured: During the whole study up to 36 weeks

  8. Treatment costs

    Measured: 24 weeks after the end of TECAIN treatment

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Nov 2015 (estimated)
  2. Study startNov 2015
  3. Primary completion31 Mar 2020
  4. Study completion31 Dec 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
560 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02615860
Sponsor's protocol ID
01KG1425
Acronym
TECAIN
Status last verified
Nov 2022
First submitted
19 Nov 2015
Last updated
8 Nov 2022
Results posted
No
Data monitoring committee
Yes

Publications

  • Berry JM, Jay N, Cranston RD, Darragh TM, Holly EA, Welton ML, Palefsky JM. Progression of anal high-grade squamous intraepithelial lesions to invasive anal cancer among HIV-infected men who have sex with men. Int J Cancer. 2014 Mar 1;134(5):1147-55. doi: 10.1002/ijc.28431. Epub 2013 Sep 14.

    PubMed 23934991
  • de Pokomandy A, Rouleau D, Ghattas G, Trottier H, Vezina S, Cote P, Macleod J, Allaire G, Hadjeres R, Franco EL, Coutlee F. HAART and progression to high-grade anal intraepithelial neoplasia in men who have sex with men and are infected with HIV. Clin Infect Dis. 2011 May;52(9):1174-81. doi: 10.1093/cid/cir064. Epub 2011 Mar 1.

    PubMed 21364075
  • Fox PA, Nathan M, Francis N, Singh N, Weir J, Dixon G, Barton SE, Bower M. A double-blind, randomized controlled trial of the use of imiquimod cream for the treatment of anal canal high-grade anal intraepithelial neoplasia in HIV-positive MSM on HAART, with long-term follow-up data including the use of open-label imiquimod. AIDS. 2010 Sep 24;24(15):2331-5. doi: 10.1097/QAD.0b013e32833d466c.

    PubMed 20729710
  • Fox PA. Treatment options for anal intraepithelial neoplasia and evidence for their effectiveness. Sex Health. 2012 Dec;9(6):587-92. doi: 10.1071/SH11157.

    PubMed 22951292
  • Goldie SJ, Kuntz KM, Weinstein MC, Freedberg KA, Welton ML, Palefsky JM. The clinical effectiveness and cost-effectiveness of screening for anal squamous intraepithelial lesions in homosexual and bisexual HIV-positive men. JAMA. 1999 May 19;281(19):1822-9. doi: 10.1001/jama.281.19.1822.

    PubMed 10340370
  • Heitland W, Schadlich PK, Chen X, Remy V, Moro L. Annual cost of hospitalization, inpatient rehabilitation and sick leave of anal cancer in Germany. J Med Econ. 2013;16(3):364-71. doi: 10.3111/13696998.2012.759582. Epub 2013 Jan 2.

    PubMed 23253056
  • Hessol NA, Holly EA, Efird JT, Minkoff H, Weber KM, Darragh TM, Burk RD, Strickler HD, Greenblatt RM, Palefsky JM. Concomitant anal and cervical human papillomavirusV infections and intraepithelial neoplasia in HIV-infected and uninfected women. AIDS. 2013 Jul 17;27(11):1743-51. doi: 10.1097/QAD.0b013e3283601b09.

    PubMed 23803793
  • Julious SA, Campbell MJ. Tutorial in biostatistics: sample sizes for parallel group clinical trials with binary data. Stat Med. 2012 Oct 30;31(24):2904-36. doi: 10.1002/sim.5381. Epub 2012 Jun 19.

    PubMed 22714646
  • Kreuter A, Potthoff A, Brockmeyer NH, Gambichler T, Stucker M, Altmeyer P, Swoboda J, Pfister H, Wieland U; German Competence Network HIV/AIDS. Imiquimod leads to a decrease of human papillomavirus DNA and to a sustained clearance of anal intraepithelial neoplasia in HIV-infected men. J Invest Dermatol. 2008 Aug;128(8):2078-83. doi: 10.1038/jid.2008.24. Epub 2008 Feb 14.

    PubMed 18273049
  • Kreuter A, Wieland U. Human papillomavirus-associated diseases in HIV-infected men who have sex with men. Curr Opin Infect Dis. 2009 Apr;22(2):109-14. doi: 10.1097/QCO.0b013e3283229fc8.

    PubMed 19276878
  • Kreuter A, Potthoff A, Brockmeyer NH, Gambichler T, Swoboda J, Stucker M, Schmitt M, Pfister H, Wieland U; German Competence Network HIV/AIDS. Anal carcinoma in human immunodeficiency virus-positive men: results of a prospective study from Germany. Br J Dermatol. 2010 Jun;162(6):1269-77. doi: 10.1111/j.1365-2133.2010.09712.x. Epub 2010 Feb 22.

    PubMed 20184584
  • Lam JM, Hoch JS, Tinmouth J, Sano M, Raboud J, Salit IE. Cost-effectiveness of screening for anal precancers in HIV-positive men. AIDS. 2011 Mar 13;25(5):635-42. doi: 10.1097/QAD.0b013e3283434594.

    PubMed 21139488
  • Legarth R, Helleberg M, Kronborg G, Larsen CS, Pedersen G, Pedersen C, Jensen J, Nielsen LN, Gerstoft J, Obel N. Anal carcinoma in HIV-infected patients in the period 1995-2009: a Danish nationwide cohort study. Scand J Infect Dis. 2013 Jun;45(6):453-9. doi: 10.3109/00365548.2012.737476. Epub 2013 Jan 7.

    PubMed 23294033
  • Macaya A, Munoz-Santos C, Balaguer A, Barbera MJ. Interventions for anal canal intraepithelial neoplasia. Cochrane Database Syst Rev. 2012 Dec 12;12(12):CD009244. doi: 10.1002/14651858.CD009244.pub2.

    PubMed 23235673
  • Machalek DA, Poynten M, Jin F, Fairley CK, Farnsworth A, Garland SM, Hillman RJ, Petoumenos K, Roberts J, Tabrizi SN, Templeton DJ, Grulich AE. Anal human papillomavirus infection and associated neoplastic lesions in men who have sex with men: a systematic review and meta-analysis. Lancet Oncol. 2012 May;13(5):487-500. doi: 10.1016/S1470-2045(12)70080-3. Epub 2012 Mar 23.

    PubMed 22445259

Questions about this trial

What is this clinical trial studying?

A study testing Topical 85% trichloroacetic acid (TCA) and Surgical electrocautery (ECA) in people with Anal Intraepithelial Neoplasia (AIN) in HIV-infected Patients, run by University Hospital, Essen at 1 site in Germany.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 8 Nov 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Therapeutic success (success rate) defined as clinically (HRA) and histologically confirmed resolution (normal histology) or regression (from AIN2/3 to AIN1) of AIN (time frame: Four weeks after the last treatment within TECAIN). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02615860, which also lists 30 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Nov 2022.

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