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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)

361 questions in 74 reviews · Pain, Palliative and Supportive Care

current versions
No studies 361 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%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.

QuestionEffectEvidenceStatus / GRADE
Topical clonidine (TC) vs active comparator
Withdrawals due to adverse events during longest · adults with painful diabetic neuropathy
Topical clonidine for neuropathic pain in adults (2022) · Cochrane
no estimate extractedNRNo studies
Topical clonidine (TC) vs active comparator
Participants experiencing at least 1adverse event during longest · adults with painful diabetic neuropathy
Topical clonidine for neuropathic pain in adults (2022) · Cochrane
no estimate extractedNRNo studies
Topical clonidine (TC) vs active comparator
Withdrawal due to lack of efficacy (12 weeks) · adults with painful diabetic neuropathy
Topical clonidine for neuropathic pain in adults (2022) · Cochrane
no estimate extractedNRNo studies
Topical clonidine (TC) vs active comparator
Participant‐reported pain relief of 30% or greater during longest · adults with painful diabetic neuropathy
Topical clonidine for neuropathic pain in adults (2022) · Cochrane
no estimate extractedNRNo studies
Prophylactic dopamine antagonist antiemetic medications vs placebo
Number of vomiting episodes · adults receiving intravenous opioids
Prophylactic antiemetics for adults receiving intravenous opioids in the acute care setting (2022) · Cochrane
no estimate extractedNRNo studies
Exercise plus usual care vs usual care
Muscle strength and endurance · cancer cachexia in adults
Exercise for cancer cachexia in adults (2021) · Cochrane
no estimate extractedNRNo studies
Exercise plus usual care vs usual care
Maximal and submaximal exercise capacity Functional capacity · cancer cachexia in adults
Exercise for cancer cachexia in adults (2021) · Cochrane
no estimate extractedNRNo studies
Multimodal intervention (exercise plus other interventions) plus usual care vs usual care
Adherence to prescribed exercise programmes · cancer cachexia in adults
Exercise for cancer cachexia in adults (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs morphine
Quality of life · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Participant‐reported pain relief · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Specific adverse events – nausea · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Specific adverse events – vomiting · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Specific adverse events – dizziness · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs oxycodone
Participant‐reported pain relief · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Specific adverse events – constipation · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs fentanyl
Quality of life · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Hydromorphone vs oxycodone
Quality of life · people with moderate to severe cancer pain
Hydromorphone for cancer pain (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings: complete control of vomiting during the overall phase (HEC) when vs treatment with aprepitant + granisetron
Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by highly emetogenic chemotherapy
Antiemetics for adults for prevention of nausea and vomiting caused by moderately or highly emetogenic… (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings: serious adverse events (HEC) when vs treatment with aprepitant + granisetron
Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by highly emetogenic chemotherapy
Antiemetics for adults for prevention of nausea and vomiting caused by moderately or highly emetogenic… (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings: complete control of vomiting during the overall phase (MEC) when vs treatment with granisetron
Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by moderately emetogenic chemotherapy
Antiemetics for adults for prevention of nausea and vomiting caused by moderately or highly emetogenic… (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings: serious adverse events (MEC) when vs treatment with granisetron
Interventions (corticosteroids included in all regimens)a · adult cancer patients at risk for CINV caused by moderately emetogenic chemotherapy
Antiemetics for adults for prevention of nausea and vomiting caused by moderately or highly emetogenic… (2021) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Ibuprofen vs Placebo
Number of participants using rescue medication over a 4‐hour period and over a 6‐hour period postintervention ‐ not reported · health problem or population
Single‐dose intravenous ibuprofen for acute postoperative pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Ibuprofen 300 mg vs active comparator (acetaminophen)
Number of participants using rescue medication over a 4‐hour period and over a 6‐hour period postintervention ‐ not reported · health problem or population
Single‐dose intravenous ibuprofen for acute postoperative pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: Lead failure/ displacement · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: Need for reoperation/ reimplantation · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Pain intensity, continuous outcomes (VAS 0 ‐ 100) · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: Need for reoperation/reimplantation · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation + other intervention vs other intervention alone
Adverse event: lead failure/ displacement · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation + other intervention vs other intervention alone
Adverse events: infection · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation + other intervention vs other intervention alone
Adverse events: need for reoperation/ reimplantation · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation + other intervention vs other intervention alone
Adverse events: other · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Pain intensity. Proportion with ≥ 50% pain relief. · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse event: lead failure/ displacement · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: infection · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: need for reoperation/ reimplantation · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: other · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Pain intensity, continuous outcomes(VAS 0 ‐ 100) · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Pain intensity. Proportion with ≥50% pain relief. · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Active stimulation vs placebo (sham)
Adverse events: Infection · adults with chronic pain
Implanted spinal neuromodulation interventions for chronic pain in adults (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
N/A: Not applicable · Patients with COVID‐19
Interventions for palliative symptom control in COVID‐19 patients (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs risperidone
Adverse events including extrapyramidal effects · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs olanzapine
Agitation within 24 hours · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs olanzapine
Agitation between 24 and 48 hours · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs olanzapine
Adverse events including extrapyramidal effects · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: risperidone vs placebo
Agitation within 24 hoursc · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: lorazepam plus haloperidol vs placebo plus haloperidol
Symptoms of delirium between 24 and 48 hours · terminally ill adults with severe delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: lorazepam plus haloperidol vs placebo plus haloperidol
Agitation between 24 and 48 hoursc · terminally ill adults with severe delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs chlorpromazine
Symptoms of delirium within 24 hours · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs chlorpromazine
Agitation within 24 hours · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: haloperidol vs chlorpromazine
Agitation between 24 and 48 hours · terminally ill adults with delirium
Drug therapy for delirium in terminally ill adults (2020) · Cochrane
no estimate extractedNRNo studies