Cochrane · intervention · CD007156

Interventions for managing oral submucous fibrosis

Jones, A, Veale, B, Li, T, et al. · Cochrane Database of Systematic Reviews · 2024 · Cochrane Library

Oral HealthOral medicine and oral cancer3 versionsAMSTAR 2: not assessed
Full textEvery question was extracted from the full review (methods and results), not only its Summary of Findings table.
Questions
78
current version
GRADE rated
49
No studies
7
Included studies
30
as reported
No studies 7 · 9%Ungraded 22 · 28.2%Very low 35 · 44.9%Low 10 · 12.8%Moderate 4 · 5.1%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationPeople of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)2176 participants (8 to 400 per study); baseline characteristics such as age, sex and disease stage inconsistently reported; 27 trials in India, 2 in China, 1 in Nepal
InterventionSystemic, intralesional or topical drugs, of any dosage, duration or delivery method; surgical procedures; and others such as physiotherapy, local heat therapy, jaw stretching exercisesAntioxidants (lycopene, curcumin, Oxitard, spirulina, Turmix, salvianolic acid) (n=14); intralesional corticosteroids (betamethasone, dexamethasone, triamcinolone, prednisolone, hydrocortisone); pentoxifylline (n=5); vasodilators (isoxsuprine, xanthinol nicotinate) (n=2); levamisole (n=1); surgery (buccal fat pad graft, nasolabial flap, abdominal dermal fat graft); physiotherapy/ultrasound (n=2); topical aloe vera (n=3)
ComparisonPlacebo; no active treatment; each otherPlacebo (13 trials vs placebo/non-active); no active treatment; active comparators (head-to-head, n=22 trials)
OutcomesPrimary: participant-reported resumption of normal eating, chewing and speech; change or improvement in maximal mouth opening (interincisal distance); improvement in range of jaw movement; change in severity of oral/mucosal burning pain/sensation; adverse effects. Secondary: quality of life; postoperative discomfort or pain; participant satisfaction; hospital admission; direct costsMaximal mouth opening/interincisal distance (n=29); burning sensation VAS (n=14-15); adverse effects (n=15); participant-reported difficulty in speech/swallowing/mouth opening (proxy) (n=4)
Study designsOnly randomised controlled trials (RCTs) were considered for inclusion in this reviewRCT (n=30)
TimingOutcomes assessed at less than 3 months, 3 to 6 months, and more than 6 monthsTreatment courses one week to 18 months; outcomes at <3 months, 3-6 months and >6 months

Search date: 2022-09. Databases: Cochrane Oral Health's Trials Register; Cochrane Central Register of Controlled Trials (CENTRAL); MEDLINE Ovid; Embase Ovid; ClinicalTrials.gov; WHO International Clinical Trials Registry Platform

Questions and results

Current version only

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 18 questions
OutcomeEffectEvidenceStatus / GRADE
Intolerance to spicy food (participant-reported proxy)
OR 0.02 [0.00, 0.43]1 study · 100 participantsUngraded
Burning sensation (VAS 0-100)
3 to 6 months
MD -70.82 [-94.39, -47.25]2 studies · 500 participantsModerate
Downgraded: risk of bias
Maximal mouth opening (interincisal distance)
More than 6 months
MD -1.41 [-5.74, 2.92]1 study · 90 participantsLow
Downgraded: imprecision
Maximal mouth opening (interincisal distance)
3 to 6 months
MD 8.83 [8.22, 9.45]3 studies · 620 participantsModerate
Downgraded: risk of bias
Postoperative discomfort or pain
The trials did not measure postoperative discomfort or pain.0 studiesNo studies
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 3.11 [0.46, 5.77]2 studies · 520 participantsLow
Downgraded: risk of bias, inconsistency
Participant-reported resumption of normal eating, chewing and speech
SoF: participant-reported resumption of normal eating, chewing and speech - outcome not reported by included studies.0 studiesNo studies
Burning sensation (VAS 0-100)
Less than 3 months
MD -30.92 [-31.57, -30.27]1 study · 400 participantsModerate
Downgraded: risk of bias
Adverse effects
Adverse effects (any): 0 in placebo vs 2 minor (flatulence and bloating); 90 (1); no GRADE rating given.
0 (placebo) vs 2 (minor) - flatulence and bloating
1 study · 90 participantsUngraded
Burning sensation (VAS 0-100)
More than 6 months
MD -27.60 [-36.21, -18.99]1 study · 90 participantsModerate
Downgraded: imprecision
Hospital admission (length of stay)
The trials did not measure hospital admission.0 studiesNo studies
Difficulty in speech (participant-reported proxy)
OR 0.51 [0.21, 1.22]1 study · 120 participantsUngraded
Participant satisfaction
The trials did not measure participant satisfaction.0 studiesNo studies
Improvement in range of jaw movement
The trials did not measure range of jaw movement.0 studiesNo studies
Quality of life
The trials did not measure quality of life.0 studiesNo studies
Difficulty in mouth opening (participant-reported proxy)
OR 0.00 [0.00, 0.02]1 study · 100 participantsUngraded
Difficulty in swallowing (participant-reported proxy)
OR 0.24 [0.10, 0.60]2 studies · 220 participantsUngraded
Direct costs
The trials did not measure costs.0 studiesNo studies

Lycopene plus intralesional betamethasone vs Placebo

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Severity of oral/mucosal burning pain/sensation
Kumar 2007 reported burning sensation using a non-validated scale; not included in quantitative analysis.1 studyUngraded
Maximal mouth opening (interincisal distance)
Kumar 2007 (3-arm: lycopene vs lycopene+intralesional betamethasone vs placebo): appeared to show increased interincisal distance in the two active groups, but limited withdrawal information/incomplete data meant…1 studyUngraded

Pentoxifylline vs Multivitamin

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Rajendran 2006 (pentoxifylline 14 vs multivitamins 15): reported increased interincisal distance in the pentoxifylline group but no baseline data, so change could not be determined; excluded from meta-analysis.1 study · 29 participantsUngraded
Severity of oral/mucosal burning pain/sensation
Rajendran 2006 concluded the intervention reduced pain, but pain intensity evaluations were inadequately defined and from interview data, making mean scores difficult to interpret.1 study · 29 participantsUngraded

Pentoxifylline vs Placebo or no active treatment

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Difficulty in speech (participant-reported proxy)
OR 0.20 [0.08, 0.48]1 study · 106 participantsUngraded
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -0.15 [-5.04, 4.74]2 studies · 136 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Difficulty in swallowing (participant-reported proxy)
OR 0.42 [0.19, 0.92]1 study · 106 participantsUngraded
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 1.80 [1.02, 2.58]1 study · 106 participantsLow
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
3 to 6 months
MD -7.00 [-28.8, 42.8]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision

Intralesional dexamethasone injections vs Placebo injections

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -2.10 [-6.77, 2.57]1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -1.80 [-6.30, 2.70]1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD -52.00 [-62.04, -41.96]1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision
Adverse effects
Adverse effects (any): no adverse effects reported; 25 (1); no GRADE rating.1 study · 25 participantsUngraded
Burning sensation (VAS 0-100)
3 to 6 months
MD -46.00 [-53.44, -38.56]1 study · 25 participantsVery low
Downgraded: risk of bias, imprecision

Vasodilators (isoxsuprine, xanthinol nicotinate) vs Placebo or no active treatment

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
Adverse effects (any): 0 placebo vs 14 minor (transient flushing and upper trunk warmness); 85 (2); no GRADE rating.
0 (placebo) vs 14 (minor) - transient flushing and upper trunk warmness
2 studies · 85 participantsUngraded
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 2.51 [-0.99, 6.01]2 studies · 85 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
3 to 6 months
MD -51.02 [-72.85, -29.20]2 studies · 85 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Maximal mouth opening (interincisal distance)
3 to 6 months
MD 4.04 [-1.93, 10.02]2 studies · 85 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD -38.79 [-52.06, -25.53]2 studies · 85 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency

Hydrocortisone plus hyaluronidase (intralesional) vs Placebo or no active treatment

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -4.88 [-12.87, 3.11]1 study · 12 participantsVery low
Downgraded: risk of bias, imprecision

Physiotherapy (tongue-spatula jaw exercises) vs No active treatment

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
3 to 6 months
MD 0.50 [-7.72, 8.72]1 study · 24 participantsVery low
Downgraded: risk of bias, imprecision

Intralesional steroid injections vs Alternative medicinal treatments

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -0.57 [-2.34, 1.19]3 studies · 98 participantsLow
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -0.64 [-2.16, 0.89]4 studies · 128 participantsLow
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD -0.06 [-10.64, 10.52]2 studies · 58 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
3 to 6 months
MD 8.61 [-4.52, 21.74]3 studies · 98 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency

Intralesional steroid injection plus adjunctive treatment vs Intralesional steroid injection alone

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -0.03 [-2.48, 2.43]2 studies · 148 participantsLow
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -0.85 [-3.31, 1.61]2 studies · 148 participantsLow
Downgraded: risk of bias, imprecision

Levamisole vs Antioxidant (Antoxid)

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -1.00 [-7.18, 5.18]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
3 to 6 months
MD -7.00 [-13.56, -0.44]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD -9.10 [-16.23, -1.97]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -1.00 [-7.18, 5.18]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision

Topical curcumin gel vs Topical aloe vera gel

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -0.64 [-3.91, 2.63]1 study · 60 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD 16.00 [7.21, 24.79]1 study · 60 participantsVery low
Downgraded: risk of bias, imprecision

Spirulina vs Oxitard (antioxidant)

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -2.60 [-3.82, -1.38]1 study · 50 participantsLow
Downgraded: risk of bias, imprecision

Oxitard (antioxidant) vs Aloe vera gel

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 9.40 [8.52, 10.28]1 study · 120 participantsLow
Downgraded: risk of bias, imprecision
Difficulty in speech (participant-reported proxy)
3 to 6 months
OR 0.32 [0.14, 0.76]1 study · 120 participantsUngraded
Difficulty in swallowing (participant-reported proxy)
3 to 6 months
OR 0.17 [0.07, 0.44]1 study · 120 participantsUngraded

Pentoxifylline vs Spirulina

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Burning sensation (VAS 0-100)
3 to 6 months
MD 0.50 [-6.60, 7.60]1 study · 40 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -8.00 [-14.47, -1.53]1 study · 40 participantsLow
Downgraded: risk of bias, imprecision

Intralesional triamcinolone vs Intralesional salvianolic acid B

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
More than 6 months
MD -0.60 [-3.76, 2.56]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision

Intralesional triamcinolone vs Intralesional triamcinolone plus salvianolic acid B

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
More than 6 months
MD -2.38 [-5.64, 0.88]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Less than 3 months
MD -1.00 [-10.37, 8.37]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
3 to 6 months
MD -16.30 [-28.15, -4.45]1 study · 28 participantsVery low
Downgraded: risk of bias, imprecision

Buccal fat pad graft vs Extended nasolabial flap

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
More than 6 months
MD 6.50 [-10.72, 23.72]1 study · 8 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -7.25 [-14.19, -0.31]1 study · 8 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
3 to 6 months
MD 6.00 [-11.36, 23.36]1 study · 8 participantsVery low
Downgraded: risk of bias, imprecision

Abdominal dermal fat graft vs Nasolabial flap

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
Kania 2022 reported 3/30 serious adverse effects (graft failure) requiring prolonged hospital stay in the abdominal dermal fat graft group; no GRADE rating.1 study · 30 participantsUngraded
Maximal mouth opening (interincisal distance)
3 to 6 months
MD -14.87 [-19.93, -9.81]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -3.60 [-5.17, -2.03]1 study · 30 participantsVery low
Downgraded: risk of bias, imprecision

Buccal fat pad pedicle plus placental extract vs Buccal fat pad pedicle alone

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 7.80 [4.90, 10.70]1 study · 10 participantsVery low
Downgraded: risk of bias, imprecision

Jaw opening exercises alone vs Ultrasound plus jaw opening exercises

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD -3.70 [-11.53, 4.13]1 study · 20 participantsVery low
Downgraded: risk of bias, imprecision

Tongue depressor stretches (physiotherapy) vs Intralesional steroid plus hyaluronidase injections

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Less than 3 months
MD 5.38 [-2.24, 13.00]1 study · 20 participantsVery low
Downgraded: risk of bias, imprecision

Surgery plus Heister jaw opener vs Surgery plus wooden tongue depressors

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
More than 6 months
MD 0.60 [0.01, 1.19]1 study · 50 participantsVery low
Downgraded: risk of bias, imprecision
Burning sensation (VAS 0-100)
Vadepally 2019 measured burning sensation on a VAS but did not fully report results, stating there was no significant difference between the 2 groups (p=0.617).1 study · 50 participantsUngraded
Maximal mouth opening (interincisal distance)
3 to 6 months
MD 0.92 [0.28, 1.56]1 study · 50 participantsVery low
Downgraded: risk of bias, imprecision

Intralesional betamethasone vs Placebo

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Goel 2015 (3-arm: intralesional betamethasone vs lycopene vs placebo, 90 per arm): appeared to show increased interincisal distance in both intervention groups vs placebo, but only between-group differences with no…1 study · 180 participantsUngraded

Hydrocortisone plus hyaluronidase (intralesional) vs Triamcinolone plus hyaluronidase (intralesional)

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Singh 2010 (hydrocortisone+hyaluronidase 50 vs triamcinolone+hyaluronidase 50): mouth opening reported categorically (trismus) rather than as continuous data, precluding quantitative analysis; authors found no…1 study · 100 participantsUngraded

Antioxidant capsules vs Topical aloe vera gel

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Burning sensation (VAS 0-100)
Sudarshan 2012 reported a reduction in burning sensation but no baseline data, so change could not be determined.1 study · 20 participantsUngraded
Maximal mouth opening (interincisal distance)
Sudarshan 2012 (topical aloe vera 10 vs antioxidant capsules 10): reported improvement in interincisal distance but no baseline data, so change could not be determined; excluded from meta-analysis.1 study · 20 participantsUngraded

Spirulina vs Topical aloe vera gel

Population: People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
CD007156.PUB3 (current) · 1 question
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Patil 2015b (spirulina vs topical aloe vera gel): reported important outcomes but data not in a usable format; excluded from meta-analysis.1 studyUngraded

Lycopene (antioxidant) vs Placebo

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156.PUB2 · 9 questions
OutcomeEffectEvidenceStatus / GRADE
Postoperative discomfort or pain
No data for postoperative discomfort or pain (planned secondary outcome).0 studiesNo studies
Participant-reported resumption of normal eating, chewing and speech
None of the included trials provided data for resumption of normal eating, chewing and speech.0 studiesNo studies
Participant satisfaction
No data for participant satisfaction (planned secondary outcome).0 studiesNo studies
Improvement in range of jaw movement
Neither of the included trials assessed improvement in the range of jaw movement.0 studiesNo studies
Quality of life
None of the secondary outcomes were considered by the investigators in either included trial.0 studiesNo studies
Maximal mouth opening (interincisal distance)
Kumar 2007: apparent statistically significant improvement in interincisal distance in lycopene group, but unclear withdrawals and incomplete data meant values were not interpretable quantitatively; not entered into…1 studyUngraded
Direct costs
No cost data were available.0 studiesNo studies
Severity of oral/mucosal burning pain/sensation
Kumar 2007: burning sensation reported but poorly defined, not a validated pain scale; attrition likely reduced value of the data; not usable.1 studyUngraded
Hospital admission (length of stay)
No data for hospital admission/length of stay (planned secondary outcome).0 studiesNo studies

Lycopene plus intralesional steroid (betamethasone) vs Placebo

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156.PUB2 · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Maximal mouth opening (interincisal distance)
Kumar 2007: apparent improvement in interincisal distance in the lycopene-plus-intralesional-steroid group vs placebo, but incomplete data/withdrawals meant values were not quantitatively interpretable.1 studyUngraded
Severity of oral/mucosal burning pain/sensation
Kumar 2007: burning sensation reported but not based on a validated scale; data affected by attrition; not usable.1 studyUngraded

Pentoxifylline (with local heat therapy and mouth stretching exercises) vs Multivitamin (with local heat therapy and mouth stretching exercises)

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156.PUB2 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Relief from difficulty of speech
Rajendran 2006 assessed 'relief from difficulty of speech' with data for both groups, but gave no information on how speech evaluations were carried out; not usable.1 studyUngraded
Severity of oral/mucosal burning pain/sensation
Rajendran 2006: pain intensity evaluations were inadequately defined and obtained as interview data, making an average score difficult to interpret; not usable.1 studyUngraded
Adverse effects
Rajendran 2006 reported mild gastritis, gastric irritation and peripheral flushing but did not record how many participants, from which group, or severity/duration. Kumar 2007 reported no treatment-related side effects.1 studyUngraded
Maximal mouth opening (interincisal distance)
Rajendran 2006: reported only the relative difference between months 1-2 and 1-7 for interincisal distance and omitted baseline data; scores could not be corroborated; not usable.1 studyUngraded

Surgical procedures vs No active treatment or each other

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Protocol only; planned Types of interventions (1): surgical procedures either against each other or no treatment. No studies (protocol).0 studiesNo studies

Systemic or topical drugs or medicines (any dosage, any duration) vs Placebo or each other

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Protocol only; planned Types of interventions (2): systemic or topical drugs or medicines, at any dosage and over any time period, against each other or placebo. No studies (protocol).0 studiesNo studies

Other physical interventions (local heat therapy, jaw stretching exercises) vs Not specified

Population: Individuals in any age group with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis with trismus or restricted jaw movement
CD007156 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Protocol only; planned Types of interventions (3): other (e.g. local heat therapy, jaw stretching exercises). No studies (protocol).0 studiesNo studies