Gap finder

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)

1,590 questions in 129 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

current versions
No studies 281 · 17.7%Ungraded 74 · 4.7%Very low 410 · 25.8%Low 420 · 26.4%Moderate 280 · 17.6%High 125 · 7.9%

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
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Death at 1 year · any person with radiation tissue injury arising later than 6 months after irradiation (LRTI), including dysfunction or…
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 0.93 [0.47, 1.83]3 studies · 166 participantsLow
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Complete or substantial improvement of condition · any person with radiation tissue injury arising later than 6 months after irradiation (LRTI), including dysfunction or…
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 1.39 [1.02, 1.89]6 studies · 468 participantsLow
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Visual disturbances · any person with radiation tissue injury arising later than 6 months after irradiation (LRTI), including dysfunction or…
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 4.03 [1.65, 9.84]5 studies · 438 participantsHigh
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Otic barotrauma · any person with radiation tissue injury arising later than 6 months after irradiation (LRTI), including dysfunction or…
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 9.08 [2.21, 37.26]4 studies · 357 participantsHigh
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Wound dehiscence · any person with osteoradionecrosis of the jaw or at risk of osteoradionecrosis of the jaw
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 0.24 [0.06, 0.94]2 studies · 264 participantsLow
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Pain score change at 12 months · any person with osteoradionecrosis of the jaw or at risk of osteoradionecrosis of the jaw
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
no estimate extracted2 studies · 157 participantsModerate
Hyperbaric oxygen therapy (HBOT) vs control without HBOT
Complete resolution or significant improvement of osteoradionecrosis · any person with osteoradionecrosis of the jaw or at risk of osteoradionecrosis of the jaw
Hyperbaric oxygen therapy for late radiation tissue injury (2023) · Cochrane
RR 1.26 [0.87, 1.82]3 studies · 239 participantsLow
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Overall survival (OS) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.93 [0.83, 1.04]5 studies · 2006 participantsModerate
Summary of findings 2: PLD alone vs other conventional chemotherapy
Quality of life · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings 2: PLD alone vs other conventional chemotherapy
Overall severe adverse events (grade > 3) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extracted2 studies · 964 participantsVery low
Summary of findings 2: PLD alone vs other conventional chemotherapy
Anaemia (grade ≥ 3) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extracted5 studies · 1968 participantsVery low
Summary of findings 2: PLD alone vs other conventional chemotherapy
Hand‐foot syndrome (grade ≥ 3) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extracted6 studies · 2184 participantsVery low
Summary of findings 2: PLD alone vs other conventional chemotherapy
Neurological (grade ≥ 3) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extracted3 studies · 1222 participantsVery low
Summary of findings 3: PLD with chemotherapy vs PLD alone
Overall survival (OS) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.92 [0.7, 1.21]1 study · 242 participantsModerate
Summary of findings 3: PLD with chemotherapy vs PLD alone
Progression‐free survival (PFS) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.94 [0.73, 1.22]2 studies · 353 participantsLow
Summary of findings 3: PLD with chemotherapy vs PLD alone
Quality of life · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings 3: PLD with chemotherapy vs PLD alone
Overall severe adverse events (grade ≥ 3) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 2.48 [1.98, 3.09]1 study · 663 participantsModerate
Summary of findings 3: PLD with chemotherapy vs PLD alone
Anaemia (grade ≥ 3) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 2.38 [1.46, 3.87]2 studies · 785 participantsModerate
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Progression‐free survival (PFS) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.81 [0.74, 0.89]5 studies · 2006 participantsModerate
Summary of findings 3: PLD with chemotherapy vs PLD alone
Hand‐foot syndrome (grade ≥ 3) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 0.24 [0.14, 0.4]2 studies · 785 participantsModerate
Summary of findings 3: PLD with chemotherapy vs PLD alone
Neurological (grade ≥ 3) · adult women with recurrent platinum‐resistant epithelial ovarian cancer
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 1.4 [0.85, 2.31]1 study · 663 participantsLow
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Quality of life (QoL) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
no estimate extracted1 study · 608 participantsLow
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Overall severe adverse events (grade ≥ 3) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 1.11 [0.95, 1.3]2 studies · 834 participantsModerate
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Anaemia (grade ≥ 3) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 1.37 [1.02, 1.85]5 studies · 1961 participantsModerate
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Hand‐foot syndrome (grade ≥ 3) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 4.01 [1, 16.01]2 studies · 1028 participantsVery low
Summary of findings 1: PLD with chemotherapy vs alternative combination chemotherapy
Neurological (grade ≥ 3) · adult women with recurrent platinum‐sensitive EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
RR 0.38 [0.2, 0.74]4 studies · 1900 participantsVery low
Summary of findings 2: PLD alone vs other conventional chemotherapy
Overall survival (OS) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.96 [0.77, 1.19]6 studies · 1995 participantsModerate
Summary of findings 2: PLD alone vs other conventional chemotherapy
Progression‐free survival (PFS) · adult women with recurrent platinum‐resistant EOC
Pegylated liposomal doxorubicin for relapsed epithelial ovarian cancer (2023) · Cochrane
HR 0.94 [0.85, 1.04]4 studies · 1803 participantsVery low
Chemotherapy with bevacizumab followed by maintenance bevacizumab vs chemotherapy alone
Overall survival (OS) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.97 [0.88, 1.07]2 studies · 2776 participantsModerate
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Any adverse event grade ≥ 3 · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
RR 1.31 [1.11, 1.55]1 study · 188 participantsModerate
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Hypertension grade ≥ 3 · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
RR 6.49 [2.02, 20.87]1 study · 1352 participantsLow
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Bowel fistula / perforation (grade ≥ 3) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Overall survival (OS) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.99 [0.79, 1.25]1 study · 1015 participantsModerate
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Progression‐free survival (PSF) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.93 [0.79, 1.09]1 study · 1015 participantsModerate
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Quality of life (QoL) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Any adverse event grade ≥ 3 · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extracted1 study · 1011 participantsModerate
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Hypertension grade ≥ 3 · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with TKI (peptide‐Fc fusion protein) followed by TKI maintenance vs chemotherapy alone
Bowel fistula / perforation (grade ≥ 3) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Overall survival (OS) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.9 [0.79, 1.02]3 studies · 1564 participantsModerate
Chemotherapy with bevacizumab followed by maintenance bevacizumab vs chemotherapy alone
Progression‐free survival (PFS) · newly‐diagnosed EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.82 [0.64, 1.05]2 studies · 2746 participantsVery low
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Progression‐free survival (PFS) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.56 [0.5, 0.63]3 studies · 1564 participantsModerate
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Quality of life (QoL) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extracted1 study · 486 participantsLow
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Any adverse event (grade ≥3) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
RR 1.11 [1.07, 1.16]3 studies · 1538 participantsHigh
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Hypertension (grade ≥ 2) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with bevacizumab followed by bevacizumab maintenance vs chemotherapy alone
Bowel fistula / perforation (grade ≥ 3) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Overall survival (OS) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.86 [0.67, 1.11]1 study · 282 participantsLow
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Progression‐free survival (PFS) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
HR 0.56 [0.44, 0.72]1 study · 282 participantsModerate
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Quality of life (QoL) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extracted1 study · 146 participantsLow
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Any adverse events (grade ≥ 3) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies
Chemotherapy with TKI followed by TKI maintenance vs chemotherapy alone
Hypertension (grade ≥ 2) · recurrent platinum‐sensitive EOC
Angiogenesis inhibitors for the treatment of epithelial ovarian cancer (2023) · Cochrane
no estimate extractedNRNo studies