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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

74 questions in 15 reviews · cluster CL0288

current versions
No studies 18 · 24.3%Ungraded 49 · 66.2%Very low 3 · 4.1%Low 2 · 2.7%Moderate 2 · 2.7%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.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Pilocarpine vs No treatment/placebo
Salivary flow rate (stimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · Any time point
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
No evidence of a difference between treatment groups for stimulated salivary flow at any time point (Analysis 1.5)8 studiesUngraded
Bethanechol vs Placebo
Salivary flow rate (unstimulated, ml/min) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · 2 months postRT
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
MD 0.19 [0.06, 0.32]1 study · 97 participantsUngraded
Bethanechol vs Artificial saliva
Salivary flow rate (stimulated, ml/min) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · End of RT
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
MD 0.13 [-0.03, 0.29]1 study · 32 participantsUngraded
Amifostine 200 mg/m2 three times weekly vs Amifostine 200 mg/m2 five times weekly
Salivary flow rate · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
No salivary flow rate data related to the effectiveness of different doses of amifostine were reported.0 studiesNo studies
Amifostine vs No treatment/placebo
Salivary flow rate (stimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · End of RT to 12 months postRT
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
Insufficient evidence of a difference in stimulated salivary flow at any time point: end of RT MD -0.09 (95% CI -1.48 to 1.30); 3 months MD 0.38 (95% CI -1.43 to 2.19); 12 months MD 0.82 (95% CI -0.47 to 2.11);…2 studiesUngraded
Amifostine vs No treatment/placebo
Salivary flow rate (incidence of > 0.1 g saliva/5 min, unstimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · 12 months postRT
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
RR 1.45 [1.13, 1.86]1 study · 175 participantsUngraded
Venalot Depot (coumarin plus troxerutin) vs Placebo
Salivary flow rate · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
Sialometric data dropped to an unmeasurable level in both groups; abandoned as a marker of efficacy (Grotz 2001)1 studyUngraded
Biperiden plus pilocarpine vs No treatment
Salivary flow rate (unstimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region · End of RT
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
Insufficient evidence, from a single trial of 60 participants, to determine the effect on unstimulated salivary flow rate at the end of RT (Rode 1999; Analysis 2.1)1 study · 60 participantsUngraded
Selenium vs No intervention
Salivary flow rate · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
No data on salivary flow rates were reported.0 studiesNo studies
Antimicrobial lozenge vs Placebo
Salivary flow rate · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy (2017) · Cochrane
No data on salivary flow rates were reported.0 studiesNo studies
Monitoring (any means of observation, supervision, keeping under review, measuring or testing at intervals) vs No monitoring
Dental state: No clinically important change in plaque index · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per…
Oral health education (advice and training) for people with serious mental illness (2016) · Cochrane
See comment; Not estimable; 0 (0 studies); no study reported useable data0 studiesNo studies
Pilocarpine hydrochloride (parasympathomimetic) vs Placebo
Salivary flow rates · Patients with radiation-induced salivary gland dysfunction
Parasympathomimetic drugs for the treatment of salivary gland dysfunction due to radiotherapy (2015) · Cochrane
Only two studies measured salivary flow rates (Johnson 1993; LeVeque 1993); no usable summary/pooled data reported.2 studiesUngraded
Intraoral device releasing Biotene Oral Balance gel vs Usual care (no intraoral device)
Salivary flow (unstimulated whole saliva) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
MD 0.05 [-0.04, 0.14]1 study · 30 participantsUngraded
Chewing gum (mechanical saliva stimulant) vs Saliva substitute spray
Salivary flow (unstimulated whole saliva) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
MD 0.01 [-0.01, 0.04]2 studiesUngraded
Buffered 'Prophylin' prophylactic gel vs Placebo (unbuffered gel / water)
Salivary flow (salivary secretion rate) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
Attempts to measure saliva secretion failed because the elderly participants were unable to co-operate.1 study · 14 participantsUngraded
Commercial mouthcare system (Biotene Oral Balance / Xerostom) vs Usual care or CMC-based control
Salivary flow (unstimulated whole saliva) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
MD 0.02 [-0.02, 0.06]2 studiesUngraded
V6 chewing gum vs PTC chewing gum (xylitol/sorbitol/mannitol)
Salivary flow (saliva secretion) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
Olsson 1991 (crossover, high risk of bias, n=14): both gums increased saliva secretion, peaking 17.5 minutes after chewing started; significant treatment-by-period interaction; no per-group data presented.1 study · 14 participantsUngraded
Physostigmine gel (1.8 mg) vs Placebo gel
Salivary flow (saliva secretion) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
Approximately fivefold increase in saliva secretion; mean AUC salivary volume 43.4 +/- 9.4 (physostigmine) vs 8.3 +/- 6.6 (placebo), P < 0.001. Adverse effects: 8 mild gastrointestinal upsets, 1 sweating.1 study · 17 participantsUngraded
Pilocarpine lozenge (3 mg or 5 mg) vs Placebo lozenge
Salivary flow (saliva production) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's… · Single dose (up to 3 hours)
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
Statistically significant increase in saliva production vs placebo (P <= 0.05); maximum salivary output 60 to 90 minutes post-lozenge; no data presented.1 study · 33 participantsUngraded
Intraoral device releasing Biotene Oral Balance gel vs Manually administered bolus of the same gel
Salivary flow / oral health · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
No difference between device and bolus in unstimulated whole saliva, oral microbial profile or generalised inflammation.1 study · 22 participantsUngraded
V6 chewing gum / mucin chewing gum vs Placebo gum (and between each other)
Salivary flow (unstimulated whole saliva) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's…
Interventions for the management of dry mouth: topical therapies (2011) · Cochrane
Aagaard 1992 (crossover, n=43): approximately 50% of participants had an increase in unstimulated whole saliva from all products; unclear how many completed the trial; no usable data.1 study · 43 participantsUngraded
Effervescent tablets vs No treatment (immersion in distilled water)
Microbial counts (total aerobes, anaerobes, yeasts) · Complete denture (CD) wearers in a nursing home
Interventions for cleaning dentures in adults (2009) · Cochrane
Moore 1984: soaking methods resulted in significant reduction of total aerobes and anaerobes versus distilled water (paired t test, P < 0.05); three soaking methods (Clorox and Calgon, Polident, Effedent) were less…1 study · 12 participantsUngraded
Enzyme cleanser vs Placebo / sham solution
Microbial counts (hyphae and bacteria) · Institutionalised elderly wearing maxillary complete dentures (CD) · 12 weeks
Interventions for cleaning dentures in adults (2009) · Cochrane
Lower hyphal and bacterial scores were also found for 'E' when compared with 'Plac' after 12 weeks. It was not possible to extract adequate data as the investigators did not provide standard deviations.1 studyUngraded
Enzyme cleanser vs Placebo / sham solution
Denture plaque (biofilm) score · Institutionalised elderly wearing maxillary complete dentures (CD) · 5 weeks; 3 months
Interventions for cleaning dentures in adults (2009) · Cochrane
Both interventions reduced biofilm scores after 2 weeks. However, plaque scores were significantly lower for 'E' after 5 weeks (P < 0.05) and 3 months (P < 0.01), as assessed by Chi2 test. It was not possible to…1 studyUngraded