Squamous Cell Carcinoma of MouthPhase 1/2NCT01192204
Clinical Evaluation of Bioadhesive Gels for Oral Cancer Chemoprevention
A Phase 1/2 study testing 10% FBR containing bioadhesive gel in people with Squamous Cell Carcinoma of Mouth and Intraepithelial Neoplasia, run by Ohio State University at 3 sites in United States.
Trial summary
This is a multicenter placebo-controlled clinical trial to assess the effects of a topically applied gel on precancerous oral epithelial lesions. A total of 41 participants will be enrolled in this trial, and 22 of them will be enrolled at Ohio State. Read more about this study
- Who is it for?
- Ages 21 to 80 years
- Conditions the study is for
- Squamous Cell Carcinoma of Mouth, Intraepithelial Neoplasia
- What is being tested?
- 10% FBR containing bioadhesive gel
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 41 participants
- Where
- 3 sitesUnited States
- Study dates
- Oct 2010to Feb 2014
- Phase
- Phase 1/2
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 21 to 80 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Ages: 21 to 80
- Microscopically confirmed premalignant oral epithelial disease
- No previous history of cancer (with the exception of basal cell carcinoma of the skin)
- Tobacco free for at least six weeks prior to entrance in the trial and remain tobacco-free for the three month duration of the study
- Availability for necessary study follow-up evaluations (every 10 to 14 days during the trial)
- Capable of providing informed consent.
Who cannot join
- Previous history of cancer (with the exception of basal cell carcinoma of the skin)
- Current use of tobacco products or refusal to remain tobacco-free for the three month duration of the study
- Lack of microscopically confirmed premalignant oral epithelial changes
- Microscopic diagnosis of oral squamous cell carcinoma
- Previous history of radiation therapy on same side of the head and neck region
- History of allergy to any kind of berry
- Women who are determined to be pregnant or plan to be pregnant during the trial
- Women who are nursing.
Trial locations and contacts
3 sites in 1 country.
United States3 sites
University of North Carolina at Chapel Hill
Chapel Hill, North Carolina, 27599
The Ohio State University, College of Dentistry
Columbus, Ohio, 43202
University of Louisville, School of Dentistry
Louisville, Kentucky, 40202
About this study
This is a multicenter placebo-controlled clinical trial to assess the effects of a topically applied gel on precancerous oral epithelial lesions. A total of 41 participants will be enrolled in this trial, and 22 of them will be enrolled at Ohio State. [The remaining 19 participants will be enrolled at the University of North Carolina (9 participants) and the University of Louisville (8 participants)]. At all three institutions, half of the participants will randomly be assigned to the 10% FBR gel (0.5 gm four times daily for 3 months), while half will enter the placebo control arm. All trial participants will have a pretreatment (including lesional and perilesional tissue) biopsy taken before and an excisional biopsy after 3 months of treatment. As pretreatment indices are compared to post treatment effects on each patient, patients serve as their own internal control. Pretreatment lesional biopsies are obtained to establish a pretreatment diagnosis and provide a pretreatment baseline for the experimental parameters.
Read the detailed description
Forty one (41) patients with microscopically confirmed premalignant oral epithelial disease (epithelial dysplasia) will be enrolled in this trial at three clinical centers, i.e. the Ohio State University, University of North Carolina at Chapel Hill and University of Louisville. At all three institutions, half of the participants will randomly be assigned to the 10% FBR gel (0.5 gm four times daily for 3 months), while half will enter the placebo control arm.
In accordance with the established standard of care, all participants need to have biopsies taken of their suspicious oral lesions to establish the diagnosis (non research). Trial participants will have three total biopsies. Pretreatment biopsies will entail: 1) perilesional tissue and single saliva sample for FBR metabolic profiling studies (tissue and saliva will be obtained 15 minutes after a single 0.5 gm application of 10% FBR gel for metabolic profiling. Gel application and nonlesional biopsy will be obtained before incisional biopsy of lesional tissue), and 2) a hemisection of lesional tissue to establish a diagnosis and provide a pretreatment baseline for the experimental parameters. While the pretreatment biopsy includes removal of both perilesional and lesional tissue, there will only be one surgical wound as the perilesional tissue is contiguous with the lesional tissue. A final excisional biopsy of the treatment site including any remaining residual lesional tissue (excision of oral dysplastic lesions is consistent with current standards of care) will be obtained after 3 months of treatment. The experimental design permits each patient to serve as their own internal control. Briefly, these following parameters will be monitored in all participants (comparisons made relative to patient-matched pretreatment to posttreatment biopsies): 1) light microscopic diagnoses, 2) clinical appearances and lesional sizes, 3) microarray gene expression analyses, 4) microvascular densities of superficial connective tissues, 5) LOH indices at loci associated with tumor suppressor genes, 6) intraepithelial levels of COX-2 and iNOS protein (image analysis quantified immunohistochemistry), 7) comparison of FBR metabolic profiles relative to extent of chemopreventive efficacy noted.
- Being tested
- 10% FBR containing bioadhesive gel, placebo gel
- Keywords
- FBR, OSCC, chemoprevention
- Medical subject headings
- Squamous Cell Carcinoma of Head and Neck, Carcinoma in Situ
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
10% FBR containing bioadhesive gelDrug
Also called BRB gel
0.5 gm applied 4 times daily to the oral premalignant lesion site for a duration of 3 months
placebo gelDrug
Also called BRB devoid placebo gel
0.5 gm applied 4 times daily to the oral premalignant lesion site for a duration of 3 months
| Study group | Role | What they receive |
|---|---|---|
| 10% FBR containing bioadhesive gel | Active comparator | Drug consisting of 10% FBR containing bioadhesive gel. Participants instructed to apply 0.5 gm of 10% FBR containing bioadhesive gel four times a day to lesional site Receives: Drug: 10% FBR containing bioadhesive gel |
| Placebo Gel | Placebo comparator | Color/consistency matched placebo (no black raspberry) gel Receives: Drug: placebo gel |
What is being measured
The primary outcome is the main question the study is designed to answer.
Light Microscopic Histologically Scored Diagnoses Pretreatment to Post Treatment
A hemisection of lesional tissue will be conducted before the 3 month treatment to establish a diagnosis and provide a pretreatment baseline for the experimental parameters. Anl excisional biopsy of the treatment site including any remaining residual lesional tissue (excision of oral dysplastic lesions is consistent with current standards of care) will be obtained after 3 months of treatment to provide a posttreatment diagnosis. The 0 to 8 histologic scale was:0=normal with or without hyperkeratosis BEST OUTCOME, 1=atypia, 2=mild dysplasia, 3=mild-moderate dysplasia, 4=moderate dysplasia,5=moderate-severe dysplasia,6=severe dysplasia, 7=carcinoma in situ, 8=invasive oral squamous cell carcinoma (WORST OUTCOME).
Measured: Before and after the 3 month treatment.
Secondary outcomes (2)
Changes in Lesional Sizes
The remaining oral dysplasia lesion will be inspected at each follow up appointment (every 10-14 days). Biopsies will be immediately conducted on patients with any indication of malignant transformation including indurated, rolled borders, nonhealing ulcers, etc. Accordingly, these patients will withdraw from the trial. Participants will also be monitored for any changes consistent with contact mucositis e.g. soreness and erythema at application site. Clinical photographs were taken for the patients records. Pre treatment and post treatment photographs, with a ruler in place, were used for accurate pre and post treatment size measurement. NOTE: if treatment is beneficial, lesional size will decrease which will be reflected as a negative number.
Measured: pretreatment and posttreatment (3 months treatment duration)
Treatment Changes in Loss of Heterozygosity Events
Laboratory experiments will be conducted to assess the effects of gel treatment on pre and post loss of heterozygosity (LOH) events at loci associated with tumor suppressor genes.
Measured: Before and after the 3 month treatment duration
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted31 Aug 2010 (estimated)
- Study startOct 2010
- Primary completionFeb 2014
- Study completionFeb 2014
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (41)Papers the sponsor has linked to this study.
- Other trials for Squamous Cell Carcinoma of MouthStudies of the same condition, open and under way.
- More trials run by Ohio State UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 1/2
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 41 participants (actual)
Sponsor and investigators
- Lead sponsor
- Ohio State University
- Sponsor type
- University, hospital or other
- Collaborators
- University of Louisville, University of North Carolina, Chapel Hill, National Cancer Institute (NCI)
- Responsible party
- Principal investigator, Susan Mallery DDS, PhD, Ohio State University
- Investigators
- Susan R Mallery, DDS, PhD, Principal investigator, Ohio State University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01192204
- Sponsor's protocol ID
- 2009C0086
- Other IDs
- RC2CA148099
- Status last verified
- Nov 2013
- First submitted
- 30 Aug 2010
- Last updated
- 14 Aug 2015
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
Publications
Menzin J, Lines LM, Manning LN. The economics of squamous cell carcinoma of the head and neck. Curr Opin Otolaryngol Head Neck Surg. 2007 Apr;15(2):68-73. doi: 10.1097/MOO.0b013e328017f669.
PubMed 17413405Lefebvre JL. Current clinical outcomes demand new treatment options for SCCHN. Ann Oncol. 2005;16 Suppl 6:vi7-vi12. doi: 10.1093/annonc/mdi452.
PubMed 15987995Papadimitrakopoulou VA, Clayman GL, Shin DM, Myers JN, Gillenwater AM, Goepfert H, El-Naggar AK, Lewin JS, Lippman SM, Hong WK. Biochemoprevention for dysplastic lesions of the upper aerodigestive tract. Arch Otolaryngol Head Neck Surg. 1999 Oct;125(10):1083-9. doi: 10.1001/archotol.125.10.1083.
PubMed 10522499Rudin CM, Cohen EE, Papadimitrakopoulou VA, Silverman S Jr, Recant W, El-Naggar AK, Stenson K, Lippman SM, Hong WK, Vokes EE. An attenuated adenovirus, ONYX-015, as mouthwash therapy for premalignant oral dysplasia. J Clin Oncol. 2003 Dec 15;21(24):4546-52. doi: 10.1200/JCO.2003.03.544. Epub 2003 Nov 3.
PubMed 14597742Lippman SM, Lee JJ, Martin JW, El-Naggar AK, Xu X, Shin DM, Thomas M, Mao L, Fritsche HA Jr, Zhou X, Papadimitrakopoulou V, Khuri FR, Tran H, Clayman GL, Hittelman WN, Hong WK, Lotan R. Fenretinide activity in retinoid-resistant oral leukoplakia. Clin Cancer Res. 2006 May 15;12(10):3109-14. doi: 10.1158/1078-0432.CCR-05-2636.
PubMed 16707609Toma S, Benso S, Albanese E, Palumbo R, Cantoni E, Nicolo G, Mangiante P. Treatment of oral leukoplakia with beta-carotene. Oncology. 1992;49(2):77-81. doi: 10.1159/000227016.
PubMed 1574255Lippman SM, Batsakis JG, Toth BB, Weber RS, Lee JJ, Martin JW, Hays GL, Goepfert H, Hong WK. Comparison of low-dose isotretinoin with beta carotene to prevent oral carcinogenesis. N Engl J Med. 1993 Jan 7;328(1):15-20. doi: 10.1056/NEJM199301073280103.
PubMed 8416267Shin DM, Mao L, Papadimitrakopoulou VM, Clayman G, El-Naggar A, Shin HJ, Lee JJ, Lee JS, Gillenwater A, Myers J, Lippman SM, Hittelman WN, Hong WK. Biochemopreventive therapy for patients with premalignant lesions of the head and neck and p53 gene expression. J Natl Cancer Inst. 2000 Jan 5;92(1):69-73. doi: 10.1093/jnci/92.1.69. No abstract available.
PubMed 10620636Papadimitrakopoulou VA, William WN Jr, Dannenberg AJ, Lippman SM, Lee JJ, Ondrey FG, Peterson DE, Feng L, Atwell A, El-Naggar AK, Nathan CO, Helman JI, Du B, Yueh B, Boyle JO. Pilot randomized phase II study of celecoxib in oral premalignant lesions. Clin Cancer Res. 2008 Apr 1;14(7):2095-101. doi: 10.1158/1078-0432.CCR-07-4024.
PubMed 18381950William WN Jr, Lee JJ, Lippman SM, Martin JW, Chakravarti N, Tran HT, Sabichi AL, Kim ES, Feng L, Lotan R, Papadimitrakopoulou VA. High-dose fenretinide in oral leukoplakia. Cancer Prev Res (Phila). 2009 Jan;2(1):22-6. doi: 10.1158/1940-6207.CAPR-08-0100.
PubMed 19139014Meyskens FL Jr. Another negative chemoprevention trial: what can we learn? Clin Cancer Res. 2008 Jan 1;14(1):2-3. doi: 10.1158/1078-0432.CCR-07-2215. No abstract available.
PubMed 18172244Rodrigo KA, Rawal Y, Renner RJ, Schwartz SJ, Tian Q, Larsen PE, Mallery SR. Suppression of the tumorigenic phenotype in human oral squamous cell carcinoma cells by an ethanol extract derived from freeze-dried black raspberries. Nutr Cancer. 2006;54(1):58-68. doi: 10.1207/s15327914nc5401_7.
PubMed 16800773Chen T, Rose ME, Hwang H, Nines RG, Stoner GD. Black raspberries inhibit N-nitrosomethylbenzylamine (NMBA)-induced angiogenesis in rat esophagus parallel to the suppression of COX-2 and iNOS. Carcinogenesis. 2006 Nov;27(11):2301-7. doi: 10.1093/carcin/bgl109. Epub 2006 Jun 15.
PubMed 16777990Chen T, Hwang H, Rose ME, Nines RG, Stoner GD. Chemopreventive properties of black raspberries in N-nitrosomethylbenzylamine-induced rat esophageal tumorigenesis: down-regulation of cyclooxygenase-2, inducible nitric oxide synthase, and c-Jun. Cancer Res. 2006 Mar 1;66(5):2853-9. doi: 10.1158/0008-5472.CAN-05-3279.
PubMed 16510608Kresty LA, Morse MA, Morgan C, Carlton PS, Lu J, Gupta A, Blackwood M, Stoner GD. Chemoprevention of esophageal tumorigenesis by dietary administration of lyophilized black raspberries. Cancer Res. 2001 Aug 15;61(16):6112-9.
PubMed 11507061
Study at a glance
From the registry record, last updated by the sponsor on 14 Aug 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Clinical Evaluation of Bioadhesive Gels for Oral Cancer Chemoprevention
- ClinicalTrials.gov ID
- NCT01192204
- Acronym / sponsor ID
- 2009C0086
- Keywords
- FBR, OSCC, chemoprevention
- Phase
- Phase 1/2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 41 participants (actual)
- Lead sponsor
- Ohio State UniversityUniversity, hospital or other
- Collaborators
- University of Louisville, University of North Carolina, Chapel Hill, National Cancer Institute (NCI)
- Study start
- Oct 2010
- Primary completion
- Feb 2014 (actual)
- Study completion
- Feb 2014 (actual)
- First posted
- 31 Aug 2010 (estimated)
- Results
- Posted 14 Aug 2015
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a multicenter placebo-controlled clinical trial to assess the effects of a topically applied gel on precancerous oral epithelial lesions. A total of 41 participants will be enrolled in this trial, and 22 of them will be enrolled at Ohio State. [The remaining 19 participants will be enrolled at the University of North Carolina (9 participants) and the University of Louisville (8 participants)]. At all three institutions, half of the participants will randomly be assigned to the 10% FBR gel (0.5 gm four times daily for 3 months), while half will enter the placebo control arm. All trial participants will have a pretreatment (including lesional and perilesional tissue) biopsy taken before and an excisional biopsy after 3 months of treatment. As pretreatment indices are compared to post treatment effects on each patient, patients serve as their own internal control. Pretreatment lesional biopsies are obtained to establish a pretreatment diagnosis and provide a pretreatment baseline for the experimental parameters.
Detailed description
Forty one (41) patients with microscopically confirmed premalignant oral epithelial disease (epithelial dysplasia) will be enrolled in this trial at three clinical centers, i.e. the Ohio State University, University of North Carolina at Chapel Hill and University of Louisville. At all three institutions, half of the participants will randomly be assigned to the 10% FBR gel (0.5 gm four times daily for 3 months), while half will enter the placebo control arm.
In accordance with the established standard of care, all participants need to have biopsies taken of their suspicious oral lesions to establish the diagnosis (non research). Trial participants will have three total biopsies. Pretreatment biopsies will entail: 1) perilesional tissue and single saliva sample for FBR metabolic profiling studies (tissue and saliva will be obtained 15 minutes after a single 0.5 gm application of 10% FBR gel for metabolic profiling. Gel application and nonlesional biopsy will be obtained before incisional biopsy of lesional tissue), and 2) a hemisection of lesional tissue to establish a diagnosis and provide a pretreatment baseline for the experimental parameters. While the pretreatment biopsy includes removal of both perilesional and lesional tissue, there will only be one surgical wound as the perilesional tissue is contiguous with the lesional tissue. A final excisional biopsy of the treatment site including any remaining residual lesional tissue (excision of oral dysplastic lesions is consistent with current standards of care) will be obtained after 3 months of treatment. The experimental design permits each patient to serve as their own internal control. Briefly, these following parameters will be monitored in all participants (comparisons made relative to patient-matched pretreatment to posttreatment biopsies): 1) light microscopic diagnoses, 2) clinical appearances and lesional sizes, 3) microarray gene expression analyses, 4) microvascular densities of superficial connective tissues, 5) LOH indices at loci associated with tumor suppressor genes, 6) intraepithelial levels of COX-2 and iNOS protein (image analysis quantified immunohistochemistry), 7) comparison of FBR metabolic profiles relative to extent of chemopreventive efficacy noted.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| 10% FBR containing bioadhesive gel | Active comparator | Drug: 10% FBR containing bioadhesive gelDrug consisting of 10% FBR containing bioadhesive gel. Participants instructed to apply 0.5 gm of 10% FBR containing bioadhesive gel four times a day to lesional site |
| Placebo Gel | Placebo comparator | Drug: placebo gelColor/consistency matched placebo (no black raspberry) gel |
Who may qualify
- Ages
- 21 to 80 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Ages: 21 to 80
- Microscopically confirmed premalignant oral epithelial disease
- No previous history of cancer (with the exception of basal cell carcinoma of the skin)
- Tobacco free for at least six weeks prior to entrance in the trial and remain tobacco-free for the three month duration of the study
- Availability for necessary study follow-up evaluations (every 10 to 14 days during the trial)
Key exclusion criteria (8 listed)
- Previous history of cancer (with the exception of basal cell carcinoma of the skin)
- Current use of tobacco products or refusal to remain tobacco-free for the three month duration of the study
- Lack of microscopically confirmed premalignant oral epithelial changes
- Microscopic diagnosis of oral squamous cell carcinoma
- Previous history of radiation therapy on same side of the head and neck region
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| 10% FBR containing bioadhesive gelAlso: BRB gel0.5 gm applied 4 times daily to the oral premalignant lesion site for a duration of 3 months | Drug | 10% FBR containing bioadhesive gel |
| placebo gelAlso: BRB devoid placebo gel0.5 gm applied 4 times daily to the oral premalignant lesion site for a duration of 3 months | Drug | Placebo Gel |
Primary outcome
Light Microscopic Histologically Scored Diagnoses Pretreatment to Post Treatment
Time frame: Before and after the 3 month treatment.
A hemisection of lesional tissue will be conducted before the 3 month treatment to establish a diagnosis and provide a pretreatment baseline for the experimental parameters. Anl excisional biopsy of the treatment site including any remaining residual lesional tissue (excision of oral dysplastic lesions is consistent with current standards of care) will be obtained after 3 months of treatment to provide a posttreatment diagnosis. The 0 to 8 histologic scale was:0=normal with or without hyperkeratosis BEST OUTCOME, 1=atypia, 2=mild dysplasia, 3=mild-moderate dysplasia, 4=moderate dysplasia,5=moderate-severe dysplasia,6=severe dysplasia, 7=carcinoma in situ, 8=invasive oral squamous cell carcinoma (WORST OUTCOME).
2 secondary outcomes
Changes in Lesional Sizes
Time frame: pretreatment and posttreatment (3 months treatment duration)
Treatment Changes in Loss of Heterozygosity Events
Time frame: Before and after the 3 month treatment duration
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Aug 2015.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 17413405Menzin J, Lines LM, Manning LN. The economics of squamous cell carcinoma of the head and neck. Curr Opin Otolaryngol Head Neck Surg. 2007 Apr;15(2):68-73. doi: 10.1097/MOO.0b013e328017f669.
- Background: PubMed 15987995Lefebvre JL. Current clinical outcomes demand new treatment options for SCCHN. Ann Oncol. 2005;16 Suppl 6:vi7-vi12. doi: 10.1093/annonc/mdi452.
- Background: PubMed 10522499Papadimitrakopoulou VA, Clayman GL, Shin DM, Myers JN, Gillenwater AM, Goepfert H, El-Naggar AK, Lewin JS, Lippman SM, Hong WK. Biochemoprevention for dysplastic lesions of the upper aerodigestive tract. Arch Otolaryngol Head Neck Surg. 1999 Oct;125(10):1083-9. doi: 10.1001/archotol.125.10.1083.
- Background: PubMed 14597742Rudin CM, Cohen EE, Papadimitrakopoulou VA, Silverman S Jr, Recant W, El-Naggar AK, Stenson K, Lippman SM, Hong WK, Vokes EE. An attenuated adenovirus, ONYX-015, as mouthwash therapy for premalignant oral dysplasia. J Clin Oncol. 2003 Dec 15;21(24):4546-52. doi: 10.1200/JCO.2003.03.544. Epub 2003 Nov 3.
- Background: PubMed 16707609Lippman SM, Lee JJ, Martin JW, El-Naggar AK, Xu X, Shin DM, Thomas M, Mao L, Fritsche HA Jr, Zhou X, Papadimitrakopoulou V, Khuri FR, Tran H, Clayman GL, Hittelman WN, Hong WK, Lotan R. Fenretinide activity in retinoid-resistant oral leukoplakia. Clin Cancer Res. 2006 May 15;12(10):3109-14. doi: 10.1158/1078-0432.CCR-05-2636.
- Background: PubMed 1574255Toma S, Benso S, Albanese E, Palumbo R, Cantoni E, Nicolo G, Mangiante P. Treatment of oral leukoplakia with beta-carotene. Oncology. 1992;49(2):77-81. doi: 10.1159/000227016.
- Background: PubMed 8416267Lippman SM, Batsakis JG, Toth BB, Weber RS, Lee JJ, Martin JW, Hays GL, Goepfert H, Hong WK. Comparison of low-dose isotretinoin with beta carotene to prevent oral carcinogenesis. N Engl J Med. 1993 Jan 7;328(1):15-20. doi: 10.1056/NEJM199301073280103.
- Background: PubMed 10620636Shin DM, Mao L, Papadimitrakopoulou VM, Clayman G, El-Naggar A, Shin HJ, Lee JJ, Lee JS, Gillenwater A, Myers J, Lippman SM, Hittelman WN, Hong WK. Biochemopreventive therapy for patients with premalignant lesions of the head and neck and p53 gene expression. J Natl Cancer Inst. 2000 Jan 5;92(1):69-73. doi: 10.1093/jnci/92.1.69. No abstract available.
- Background: PubMed 18381950Papadimitrakopoulou VA, William WN Jr, Dannenberg AJ, Lippman SM, Lee JJ, Ondrey FG, Peterson DE, Feng L, Atwell A, El-Naggar AK, Nathan CO, Helman JI, Du B, Yueh B, Boyle JO. Pilot randomized phase II study of celecoxib in oral premalignant lesions. Clin Cancer Res. 2008 Apr 1;14(7):2095-101. doi: 10.1158/1078-0432.CCR-07-4024.
- Background: PubMed 19139014William WN Jr, Lee JJ, Lippman SM, Martin JW, Chakravarti N, Tran HT, Sabichi AL, Kim ES, Feng L, Lotan R, Papadimitrakopoulou VA. High-dose fenretinide in oral leukoplakia. Cancer Prev Res (Phila). 2009 Jan;2(1):22-6. doi: 10.1158/1940-6207.CAPR-08-0100.
- Background: PubMed 18172244Meyskens FL Jr. Another negative chemoprevention trial: what can we learn? Clin Cancer Res. 2008 Jan 1;14(1):2-3. doi: 10.1158/1078-0432.CCR-07-2215. No abstract available.
- Background: PubMed 16800773Rodrigo KA, Rawal Y, Renner RJ, Schwartz SJ, Tian Q, Larsen PE, Mallery SR. Suppression of the tumorigenic phenotype in human oral squamous cell carcinoma cells by an ethanol extract derived from freeze-dried black raspberries. Nutr Cancer. 2006;54(1):58-68. doi: 10.1207/s15327914nc5401_7.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Susan R Mallery, DDS, PhD principal investigator
Ohio State University
3 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1/2 study testing 10% FBR containing bioadhesive gel in people with Squamous Cell Carcinoma of Mouth and Intraepithelial Neoplasia, run by Ohio State University at 3 sites in United States.
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 8 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 14 Aug 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 3 sites in United States. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 14 Aug 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
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?
Light Microscopic Histologically Scored Diagnoses Pretreatment to Post Treatment (time frame: Before and after the 3 month treatment.). 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 NCT01192204, which also lists 41 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 14 Aug 2015.