Cochrane · intervention · CD010341

Interventions for the treatment of oral and oropharyngeal cancers: targeted therapy and immunotherapy

Chan, KKW, Glenny, AM, Weldon, JC, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

Oral HealthOral medicine and oral cancer2 versionsAMSTAR 2: not assessed
Full textEvery question was extracted from the full review (methods and results), not only its Summary of Findings table.
Questions
43
current version
GRADE rated
8
No studies
2
Included studies
12
as reported
No studies 2 · 4.7%Ungraded 33 · 76.7%Very low 6 · 14%Low 0 · 0%Moderate 2 · 4.7%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.

Review question

ElementPlanned (methods)Found (results)
PopulationPeople diagnosed with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma, histological variants of SCC and carcinoma in situ; head and neck cancer trials included if data available separately or at least 50% of participants had oral cavity or oropharyngeal cancerAdults with squamous cell carcinoma of the oral cavity or oropharynx; 2488 participants across 12 studies (12% (298) oral cavity, 59% (1468) oropharynx, 29% larynx/hypopharynx, less than 1% other sites)
InterventionTargeted therapy or immunotherapy of the primary tumour as one of the primary interventions, administered concomitantly with standard therapy; any mode of administration; no prior intervention other than diagnostic interventionEGFR monoclonal antibodies: cetuximab, nimotuzumab (n=1654); Tyrosine kinase inhibitors: erlotinib, gefitinib, lapatinib (n=649); Non-specific immunotherapy: recombinant interleukin-2, BCG cell wall preparation (n=277)
ComparisonStandard therapy (chemotherapy, radiotherapy, surgery or a combination) aloneStandard therapy alone: radiotherapy, chemoradiotherapy or surgery (n=1244); placebo plus standard therapy (n=293)
OutcomesOverall survival/total mortality; Locoregional control; Disease-free survival; Progression-free survival or time to recurrence; Harms associated with treatment (adverse events); Quality of life; Direct and indirect costs to participants and health services; Participant satisfactionOverall survival (n=1421); Locoregional control (n=424); Disease-free survival (n=261); Progression-free survival (n=1315); Adverse events (n=2400); Quality of life (n=424)
Study designsRandomised controlled trials with a minimum follow-up period of six monthsRandomised controlled trials, phase I to III (n=12)
TimingMinimum follow-up period of six monthsMinimum follow-up of at least 6 months; follow-up 24 to 70 months (monoclonal antibodies and immunotherapy) and 40 to 60 months (tyrosine kinase inhibitors)

Search date: 2015-02. Databases: Cochrane Oral Health Group's Trials Register; Cochrane Central Register of Controlled Trials (CENTRAL); MEDLINE via Ovid; EMBASE via Ovid; US National Institutes of Health Trials Register (clinicaltrials.gov); World Health Organization Clinical Trials Registry Platform; American Society of…

Questions and results

Current version only

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell wall preparation) plus standard therapy vs Standard therapy alone

Population: People with squamous cell carcinoma of the oral cavity or oropharynx
CD010341.PUB2 (current) · 13 questions
OutcomeEffectEvidenceStatus / GRADE
Disease-free survival
24 to 70 months · Recombinant interleukin-2 + surgery (De Stefani 2002)
HR 0.66 [0.43, 1.02]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 109 (72 to 163); Moderate-risk 290 (200 to 411);…
1 study · 201 participantsVery low
Downgraded: risk of bias, indirectness
Adverse effects
24 to 70 months · Nausea/vomiting (rIL-2, grades >=3)
RR 3.40 [0.15, 77.34]1 study · 30 participantsUngraded
Overall survival
24 to 70 months · BCG cell wall preparation + surgery (Bier 1981)
BCG-CWP + surgery versus surgery alone: 3-year overall survival 10/10 vs 9/10; too few participants to calculate a hazard ratio (Bier 1981, 24 participants).1 study · 24 participantsUngraded
Adverse effects
24 to 70 months · Moderate to severe chills (BCG-CWP, all grades)
RR 11.00 [0.67, 179.29]1 study · 24 participantsUngraded
Adverse effects
24 to 70 months · Stomatitis (rIL-2, all grades)
RR 1.47 [0.75, 2.90]1 study · 30 participantsUngraded
Adverse effects
24 to 70 months · Leukopenia (rIL-2, all grades)
RR 0.57 [0.22, 1.50]1 study · 30 participantsUngraded
Adverse effects
24 to 70 months · Increased temperature (BCG-CWP, all grades)
RR 0.67 [0.13, 3.30]1 study · 24 participantsUngraded
Locoregional control
24 to 70 months · Recombinant interleukin-2 + neoadjuvant chemotherapy (Mantovani 1998), tumour response
Response to treatment (Mantovani 1998; neoadjuvant chemotherapy + rIL-2 vs chemotherapy alone): complete response 4/13 vs 3/15; partial response 6/13 vs 9/15. Narrative only; no GRADE rating.1 study · 33 participantsUngraded
Adverse effects
24 to 70 months · Leukopenia (rIL-2, grades >=3)
RR 0.38 [0.04, 3.26]1 study · 30 participantsUngraded
Overall survival
24 to 70 months · Recombinant interleukin-2 + surgery (De Stefani 2002)
HR 0.52 [0.31, 0.87]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 87 (53 to 141); Moderate-risk 237 (149 to 363);…
1 study · 201 participantsVery low
Downgraded: risk of bias, indirectness
Adverse effects
24 to 70 months · Nausea/vomiting (rIL-2, all grades)
RR 1.24 [0.90, 1.70]1 study · 30 participantsUngraded
Adverse effects
24 to 70 months · Stomatitis (rIL-2, grades >=3)
RR 1.71 [0.33, 8.83]1 study · 30 participantsUngraded
Adverse effects
24 to 70 months · Gastrointestinal complaints (BCG-CWP, all grades)
RR 5.00 [0.27, 94.34]1 study · 24 participantsUngraded

EGFR monoclonal antibody (cetuximab or nimotuzumab) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Population: People with squamous cell carcinoma of the oral cavity or oropharynx
CD010341.PUB2 (current) · 17 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
24 to 70 months · Mucositis (all grades)
Mucositis all grades: not estimable due to high heterogeneity (P=0.0009; I2=86%) between subgroups (cetuximab; nimotuzumab) and within cetuximab (I2=93%); 1417 participants, 3 studies. Table 3, row 1.6 (Ang 2014;…3 studies · 1417 participantsUngraded
Adverse effects
24 to 70 months · Skin toxicity/acneiform rash (cetuximab, all grades)
RR 6.56 [5.35, 8.03]2 studies · 1311 participantsUngraded
Progression-free survival
24 to 70 months · Monoclonal antibody + chemoradiotherapy vs chemoradiotherapy alone
HR 1.08 [0.89, 1.32]1 study · 891 participantsUngraded
Participant satisfaction
24 to 70 months
No included studies addressed participant satisfaction (review-wide gap).0 studiesNo studies
Overall survival
24 to 70 months
HR 0.82 [0.69, 0.97]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 133 (113 to 156); Moderate-risk 347 (301 to…
3 studies · 1421 participantsModerate
Downgraded: publication bias
Progression-free survival
24 to 70 months · Monoclonal antibody + radiotherapy vs radiotherapy alone
HR 0.70 [0.54, 0.91]1 study · 424 participantsUngraded
Adverse effects
24 to 70 months · Skin toxicity/acneiform rash (nimotuzumab, grades >=3)
RR 0.20 [0.01, 4.05]1 study · 92 participantsUngraded
Adverse effects
24 to 70 months · Dysphagia (all grades)
RR 0.97 [0.92, 1.03]3 studies · 1403 participantsUngraded
Direct and indirect costs to participants and health services
24 to 70 months
No included studies addressed direct and indirect costs to participants and health services (review-wide gap).0 studiesNo studies
Adverse effects
24 to 70 months · Xerostomia (grades >=3)
RR 1.36 [0.80, 2.31]2 studies · 1311 participantsUngraded
Adverse effects
24 to 70 months · Skin toxicity/acneiform rash (nimotuzumab, all grades)
RR 1.06 [0.85, 1.31]1 study · 92 participantsUngraded
Locoregional control
24 to 70 months
HR 0.68 [0.52, 0.89]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 112 (87 to 144); Moderate-risk 297 (237 to 370);…
1 study · 424 participantsModerate
Downgraded: risk of bias
Adverse effects
24 to 70 months · Skin toxicity/acneiform rash (cetuximab, grades >=3)
RR 17.72 [8.33, 37.73]3 studies · 1403 participantsUngraded
Adverse effects
24 to 70 months · Dysphagia (grades >=3)
RR 0.93 [0.83, 1.04]3 studies · 1403 participantsUngraded
Quality of life
24 to 70 months
Only one study (Bonner 2006, 424 participants) comprehensively assessed quality of life using EORTC QLQ-C30 (v3.0) and QLQ-H&N35; no statistically significant difference between groups for global health status or any…1 study · 424 participantsUngraded
Adverse effects
24 to 70 months · Mucositis (grades >=3)
RR 1.20 [0.96, 1.51]4 studies · 1495 participantsUngraded
Adverse effects
24 to 70 months · Xerostomia (all grades)
RR 0.97 [0.91, 1.04]3 studies · 1417 participantsUngraded

Tyrosine kinase inhibitor (erlotinib, gefitinib or lapatinib) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Population: People with squamous cell carcinoma of the oral cavity or oropharynx
CD010341.PUB2 (current) · 13 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
40 to 60 months · Gastrointestinal complaints (gefitinib, all grades)
RR 1.04 [0.98, 1.11]1 study · 226 participantsUngraded
Adverse effects
40 to 60 months · Gastrointestinal complaints (lapatinib, all grades)
RR 15.53 [2.18, 110.55]1 study · 67 participantsUngraded
Adverse effects
40 to 60 months · Skin toxicity (erlotinib, all grades)
RR 6.57 [3.60, 12.00]1 study · 191 participantsUngraded
Progression-free survival
40 to 60 months
HR 0.80 [0.51, 1.28]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 130 (85 to 200); Moderate-risk 340 (233 to 486);…
2 studies · 271 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Adverse effects
40 to 60 months · Skin toxicity (lapatinib, all grades)
RR 2.02 [1.23, 3.32]1 study · 67 participantsUngraded
Locoregional control
40 to 60 months
HR 0.89 [0.53, 1.49]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 144 (88 to 229); Moderate-risk 370 (241 to 539);…
2 studies · 271 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Overall survival
40 to 60 months
HR 0.99 [0.62, 1.57]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 159 (102 to 239); Moderate-risk 402 (275 to…
2 studies · 271 participantsVery low
Downgraded: risk of bias, imprecision, publication bias
Disease-free survival
40 to 60 months · Gefitinib + radiotherapy (oral cavity)
HR 1.51 [0.61, 3.71]
Low-risk 160; Moderate-risk 405; High-risk 650 (per 1000) vs Low-risk 231 (101 to 476); Moderate-risk 543 (271 to…
1 study · 60 participantsVery low
Downgraded: imprecision, indirectness, publication bias
Adverse effects
40 to 60 months · Mucositis (all grades)
RR 1.03 [0.94, 1.11]2 studies · 286 participantsUngraded
Adverse effects
40 to 60 months · Mucositis (grades >=3)
RR 1.22 [0.96, 1.56]2 studies · 286 participantsUngraded
Adverse effects
40 to 60 months · Skin toxicity (gefitinib, all grades)
RR 1.03 [0.82, 1.28]2 studies · 286 participantsUngraded
Adverse effects
40 to 60 months · Gastrointestinal complaints (grades >=3, pooled)
RR 1.11 [0.83, 1.49]3 studies · 484 participantsUngraded
Adverse effects
40 to 60 months · Skin toxicity (grades >=3, pooled)
RR 1.25 [0.54, 2.88]4 studies · 544 participantsUngraded

Molecularly targeted therapy plus standard therapy (chemotherapy and/or radiotherapy and/or surgery) vs Standard therapy alone

Population: Patients with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma and histological variants
CD010341 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
At least 6 months follow-up
Protocol-planned comparison; no included studies at the protocol stage.0 studiesNo studies

Immunotherapy plus standard therapy (chemotherapy and/or radiotherapy and/or surgery) vs Standard therapy alone

Population: Patients with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma and histological variants
CD010341 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
At least 6 months follow-up
Protocol-planned comparison; no included studies at the protocol stage.0 studiesNo studies

Targeted therapy or immunotherapy plus standard therapy vs A different type of targeted therapy or immunotherapy plus standard therapy

Population: Patients with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma and histological variants
CD010341 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
At least 6 months follow-up
Protocol-planned head-to-head comparison; no included studies at the protocol stage.0 studiesNo studies

Targeted therapy or immunotherapy alone vs Placebo

Population: Patients with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma and histological variants
CD010341 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
At least 6 months follow-up
Protocol anticipated that there would be no studies comparing targeted therapy or immunotherapy alone with placebo.0 studiesNo studies

Standard therapy plus targeted therapy vs Standard therapy plus immunotherapy

Population: Patients with cancer of the oral cavity (ICD-O C01-C02, C03, C04, C05-C06) or oropharynx (ICD-O C09, C10); primary squamous cell carcinoma and histological variants
CD010341 · 1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
At least 6 months follow-up
Protocol anticipated that there would be no studies comparing standard therapy plus targeted therapy with standard therapy plus immunotherapy.0 studiesNo studies